Dynamic information storage or retrieval inventions 04/06

20060087922 - Apparatus and method of initializing phase-change optical disk: Provided is an apparatus and method of initializing a recording layer used in manufacturing a phase-change optical disk for storing information. The optical disk is initialized using a UV lamp in order to initialize the recording layer of the phase-change optical disk capable of repeatedly writing information, without a separate...

20060087921 - Phase change memory: A phase change memory comprises a phase-change recording layer for recording information through changing between a crystal phase and an amorphous phase; and a means for applying a tensile strain onto the phase-change recording layer, thereby providing the memory having high reliability, as well as, high tolerance or durability against...

20060087923 - Apparatus and method to install a component in an information storage and retrieval system: A method is disclosed to install a component in an information storage and retrieval system. The method provides an information storage and retrieval system comprising a system processor and system data, and a component comprising persistent component data. The method attaches the component to the information storage and retrieval system...

20060087924 - Audio/video portable electronic devices providing wireless audio communication and speech and/or voice recognition command operation: An improved audio/video system is provided that facilitates increased ease of use. An audio/video device can be provided with a first antenna, with wireless signals emitted by the first antenna comprising signals created from audio content provided by the device. A headset can be provided with an antenna for receiving...

20060087925 - Content using apparatus, content using method, distribution server apparatus, infomation distribution method, and recording medium: A content using apparatus includes an obtaining unit configured to obtain content data and delimiter information for the content data; an accepting unit configured to accept input of an instruction by a user; and a generating unit configured to generate content data of a new composition or arrangement from content...

20060087926 - Mp3 player capable of automatic updating, automatic updating system for mp3 player and method thereof: A system, apparatus and method is provided for detecting a music list stored in a playback device, such as a Moving Picture Experts Group-1 Audio Layer-3 (MP3) player, and selectively downloading from a server to the playback device only updated current music files via the Internet such that the playback...

20060087927 - Fault tolerant transport mechanism in storage and method of controlling the same: First and second mobile carriers are accessible to individual cells defined in a storage. The first and second mobile carriers move along overlapped paths. First and second controller circuits are connected to the first and second mobile carriers, respectively. The second controller circuit is also connected to the first mobile...

20060087928 - Mirror element and mirror array: Providing a mirror element and a mirror array used for an optical pickup of optical apparatus or optical disc apparatus that obtain a large displacement amount with a low voltage The mirror element includes a board; a film including a first piezoelectric body, and a first electrode and a second...

20060087932 - Lens protector and optical pick-up: The lens protector serving as a means for preventing a scratch of an objective lens and an optical disc of the optical pick-up in which a signal-recording surface of the optical disc is irradiated with light beams to read signals from the signal-recording layer and/or record signals on the signal-recording...

20060087930 - Optical disc apparatus: An optical disc apparatus (1) comprising a supporting assembly (7), a spindle motor (9) having a magnetic motor stator (17), optical means for scanning an information surface of said optical disc mounted on the spindle and comprising a focusing lens assembly (29) having a movable focusing lens, a swing arm...

20060087929 - Optical disk drive using one dimensional scanning: A system for optical scanning along one line with fast random access and high optical resolution, composed of: a plurality of first lenslets (240) constructed for use with a selected media format (224), the plurality of lenslets (240) all being disposed in a single row and being spaced apart by...

20060087931 - Optical pickup: To improve the reliability to an environmental temperature change of an optical pickup, an optical pickup 7 has a semiconductor laser 711 for generating a laser beam. An objective lens drive leads the laser beam to a predetermined position of a disk. The semiconductor laser and objective lens drive are...

20060087933 - Supporting mechanism for optical pickup head: An optical disc apparatus includes a chassis, a pickup device, a guide shaft, a fixing base member, a holding member and an elastically deformable member. The pickup device is configured to perform writing and/or reading of information with respect to an optical disc. The guide shaft is configured to movably...

20060087934 - Apparatus for processing data stored on a data carrier having some defects and method of method of processing data on such a disc: The apparatus comprises an emulator 62, which emulates the functions of the actuator 20, which moves the optical system used for the processing of data on the data carrier. By this measure the defects that the carrier may comprise provides less disturbance for the user. Application: the invention is well...

20060087935 - Tilt adjusting mechanism and disc drive using the same: A tilt adjusting mechanism for a disc drive is provided. The disc drive includes at least one guiding shaft for supporting and guiding a pickup head. The tilt adjusting mechanism includes a first part, a second part, and a third part. The tilt adjusting mechanism is rotatably mounted on the...

20060087938 - Auxiliary operation interface of digital recording and reproducing apparatus: An auxiliary operation interface of a digital recording/reproducing apparatus includes a targeting item, a switching button set and an audio prompt generator. The targeting item is optionally triggered to have the digital recording/reproducing apparatus execute a selected function. The audio prompt generator is enabled to generate an audio prompt when...

20060087936 - Data capture device and method of storing data: A data capture device that connects to a data storage device so as to share common components necessary for proper operation of both devices and to minimize the number of individual components necessary to store data obtained by the data capture device in the data storage device is provided. A...

20060087937 - Optical information reproduction apparatus and optical information reproduction method: An optical information reproduction apparatus for reproducing a recording signal by irradiating a light beam onto a recording surface of an optical information recording medium having at least two information recording layers and by receiving reflected light of the light beam is provided. The optical information reproduction apparatus includes an...

20060087942 - Copy-protected audio, video and or data optical disk: Copy-Protected Audio, Video and or Data Optical Disk and the Protection Process for such Disk includes a TSR (Terminate and Stay Resident) program which when once installed onto a computer system blocks any attempt to copy any designated Audio, Video or any Data on such Copy-Protected Optical Disk and or...

20060087940 - Staggered writing for data storage systems: The present invention relates to write operations in data storage systems. In an embodiment, the invention relates to a method of writing data across a plurality of disk arrays, including writing a first copy of the data as a first plurality of stripes corresponding to the plurality of disk arrays...

20060087941 - System and method for audio and video portable publishing system: A system that allows consumers to manage content and create audio/video presentations in a small portable media device, and to share media files with other users of small portable media devices, without requiring access to a computer....

20060087939 - Optical disc device: When a main controller in an optical disc device for recording information on a rewritable optical disc having power calibration area (PCA) receives a signal from a disc detection sensor indicating the presence of optical disc, the main controller allows an optical pickup to seek to the PCA, and detects...

20060087945 - Information storage medium, method of managing replacement information, recording/reproducing apparatus, and host apparatus: An information storage medium, a replacement information management method, a recording/reproducing apparatus, and a host apparatus are provided. The information storage medium includes: a defect list for storing replacement entries having replacement information related to replacement of defects detected in data recorded on the medium or replacement to update data...

20060087943 - Method of replacement process, recording apparatus, and recording system: In a replacement process performed by a recording apparatus, if an area to be replaced is detected on a recording medium, an available space in a spare area on the recording medium is checked. If the spare area has a sufficient available space, the replacement process is performed using the...

20060087944 - Recording apparatus and recording method: In a write once type optical disc, when ejecting the disc and turning power OFF, it is necessary to update record management data on the disc so that the record management data on the disc coincide with the record management data on the memory. Here, the update of the record...

20060087946 - Optical disk recording apparatus, laser diode driving apparatus and recording signal generating apparatus: The optical disk recording apparatus has the function of correcting the timing shift of the write strategy signal caused by the change in the operating environment of the digital signal processing circuit including the write strategy generating circuit, the laser drive circuit for driving the laser at the time of...

20060087947 - Optical disc apparatus: An optical disc apparatus implementing a PRML and capable of recording and reading a plurality of disc media with different recording densities, wherein read compatibility between drives is ensured without relying solely on the error correction capability of the ECC (error correction code). A phase comparator provided in a PLL...

20060087949 - Method for writing a label on an optical disc: Method for writing a label on a recordable record carrier (1), the record carrier adhering to a predefined, standardized condition with respect to a physical parameter. The method retrieves label information, parameter information on the physical parameter, which parameter information is of a higher precision than the precision of the...

20060087948 - Optimized medium with anisotropic dipole emission for fluorescent single or multilayer storage: Optical data storage method, reading method, device (40) and storage medium (42,43), comprising storing data by modifying optical properties of polymer material (42), whereby writing is initiated by reorientation of photo-orientable units, typically by illuminating with light at a wavelength that initiates the reorientation, and whereby reading of data includes...

20060087950 - Reliable storage medium access control method and device: A method of and device (110) for granting access to content on a storage medium (101), comprising obtaining cryptographic data (Y) from a property (102), such as a wobble, of the storage medium (101), reading helper data (W) from the storage medium (101), and granting the access based on an...

20060087951 - Optical pickup device and optical disk device having a diffraction grating: An optical pickup device is adapted to read information signals from optical recording media of two different types such as a “DVD” and a “CD” for which two light beams with different wavelengths are used and comprises a photodetector having a single light receiving section that can be shared by...

20060087952 - Laser power control system: This invention provides a laser power control system to control the power of the emitted laser from an optical pick-up head. The system comprises a temperature sensor and a calculating unit. The temperature sensor is used to detect the temperature of the optical pick-up head and to generate a temperature...

20060087953 - Information recording medium examining apparatus and method: In an examining apparatus, an electron gun irradiates an intended position of an information recording medium with an electron beam. A stage holds the information recording medium such that the information recording medium can be moved along a rotation direction and a radial direction. A detector detects electrons which have...

20060087954 - Information storage medium and recording/reproducing apparatus and method using the same: An information storage medium and a recording/reproducing apparatus and method, the information storage medium includes: an area for recording information regarding a predetermined function applied thereto, wherein the information regarding the predetermined function includes specific information in which set information regarding the predetermined function is set by a recording/reproducing apparatus...

20060087955 - Dual stack optical data storage medium and use of such medium: A dual stack optical data storage medium (30) for recording and reading by means of a focused radiation beam (29) is described. The beam enters the medium (30) through a first radiation beam entrance face (21). The medium has at least a first substrate (1a) with on at least one...

20060087957 - Format mapping scheme for universal drive device: The present invention relates to a drive device and method of reading from or writing to a record carrier (10), wherein data is input or output via an interface (32) using a first format according to a first file system. In the drive device (30), the first format is mapped...

20060087958 - Information storage medium, and recording/reproducing apparatus and recording/reproducing method: An information storage medium and a recording/reproducing apparatus and method are provided with the ability to extend at least one middle area of an information storage medium comprising two or more recording layers so as to ensure optimal data recording/reproduction. The information storage medium comprises a plurality of recording layers,...

20060087956 - Multi-layer optical disc format: An optical disc (102) and method for forming the same. The optical disc preferably includes a first substrate (150) comprising a pre-recorded, first data storage layer (152) and a second substrate (156) comprising a recordable, second data storage layer (158). The second substrate is affixed to the first substrate such...

20060087959 - Optical disk: An optical disk of a land-and-groove recording system capable of reducing a track pitch while suppressing the drop of an S/N ratio of reproduction signals is provided. The optical disk includes guide groove portions and space portions between the groove portions and is loaded to an optical disk recording/reproduction apparatus...

20060083116 - Heat assisted magnetic recording head with multilayer electromagnetic radiation emission structure: A heat assisted magnetic recording head with a multilayer electromagnetic (EM) radiation emission structure. The multilayer EM radiation emission structure is in optical communication with a light source for heating a recording medium. Particularly, the multilayer EM radiation emission structure includes a conducting layer for receiving the light source and...

20060083117 - Certified protection from subliminal content for recordings: Piracy of audio recordings, recordings containing both audio and video content, and visual recordings is a big challenge to those who own the original intellectual property contained in those recordings. Technical means of preventing or interfering with unauthorized copying of that intellectual content has failed to prevent serious economic damage...

20060083118 - Content recording apparatus and control method thereof: A content recording apparatus and a control method thereof. The content recording apparatus includes a recording medium for recording more than one content and a scheduled erase time set to at least one of the recorded contents; a time information manager to provide a current time information; and a controller...

20060083119 - Scalable system and method for predicting hit music preferences for an individual: A system and method for creating and storing a user's hit-music preference list by receiving the user's biographical information, profiling the user based on the biographical information to determine music data that may be of interest to the user, receiving a rating from the user for a plurality of genres,...

20060083120 - Optical pickup, optical disk drive, light detecting apparatus, and signal generating method for optical pickup: An optical pickup includes a light source, an objective lens, light detectors, an optical system, and an error-signal generator. The light-receiving surface of at least one of the light detectors has a width extending in a first direction corresponding to a radial direction of an optical disk, and is formed...

20060083121 - Driving device for objective lens and optical pick up using the same: To reduce vibrations occurring in an objective lens driving apparatus there is provided an objective lens driving apparatus used in an optical pickup that reads/writes information from or onto an optical disk using an objective lens. The objective lens driving apparatus has a lens holder that holds an objective lens...

20060083122 - Pickup lens with phase compensator and optical pickup apparatus using the same: A pickup lens with a phase compensator is composed of a condenser lens and a phase compensator. At least one surface of the condenser lens has a step-like annular zone structure to compensate wavefront aberration generated when recording and reproducing data on an information recording medium having a substrate thickness...

20060083123 - Method for correcting influence of thickness unevenness of recording medium, information recording/reproducing apparatus using the same method and optical head unit: An optical disk unit of this invention includes a defocus detecting system for detecting a defocus of an objective lens, a thickness unevenness detecting system for detecting a thickness unevenness of a transparent resin layer provided nearest the objective lens of a recording medium, and a thickness unevenness correcting mechanism...

20060083124 - Color display apparatus having virtual single light origin: A color display apparatus having a virtual single light origin is disclosed. The color display apparatus includes an illumination lens system, a combining system, a Fourier filter and a projection system. The illumination lens system converts a plurality of light beams, which are radiated from a plurality of light sources,...

20060083125 - Optical disk device and seek method in optical disk device: An optical disk device executes a seek operation to move an irradiation position of light beam on an optical disk to a track of a target address. During execution of a seek operation through a one-track jump operation in which the irradiation position of the light beam is moved along...

20060083126 - Methods and apparatuses of half-wave layer jump control for optical disk drive: An apparatus for controlling half-wave layer jumping of a pickup head of an optical disk drive includes a half-wave layer jump controller and an output logic unit. The controller receives a focus error signal from a preamplifier to generate a control signal according to the half wave of the focus...

20060083131 - Information storage medium and method of recording and/or reproducing with respect to the medium: An information storage medium includes an area in which updated disc-related information and recording-related information updated with a change in at least one of a disc version number and a recording speed is recorded along with existing disc-related information and recording-related information. The existing disc-related information and recording-related information are...

20060083129 - Media detection apparatus and method usable with image forming apparatus: A media detection apparatus and method usable with an image forming apparatus includes a light source to irradiate light to surfaces of recording media, a light receiving part to receive light reflected from the recording media an angle changing unit to change an angle of at least one of the...

20060083130 - Recording medium, and a method and apparatus for overwriting data in the same: A method for overwriting data in a recording medium includes the steps of assigning a plurality of record areas to the recording medium, and recording the same category data in individual record areas; and performing a replacement record operation at a specific position indicative of a closest writable area, upon...

20060083128 - Reproduction apparatus and method capable of starting to reproduce information at designated reproduction start time point: When an operation unit receives a designated time point a controller calculates an error between time point information and a reproduction time point of a tentative start packet, which is a start packet provided if packets were each reproduced for an average value of the packets' respective reproduction times. If...

20060083127 - Storage medium for data backup and method for the same: The present invention discloses a writable storage medium with backup module contained therein to backup important data. With this writable storage medium, the user could automatically duplicate the data in the computer or the peripheral devices coupled thereto into the writable storage medium. All the user has to do is...

20060083133 - Disc apparatus and recording method thereof: An optical apparatus calculates, based on the information data recording time, a recording area recording information data and an area to be finalized that is expected to become an unrecorded area after the information data is recorded, and alternately repeats recording of information data into the recording area and finalization...

20060083134 - Disk device, method for controlling disk devic, and program for disk device controlling method: This invention relates illustratively to a portable video recorder that uses an optical disk. The inventive recorder is arranged to switch the degree of power conservation depending on the length of an idle time T2 during intermittent recording and/or reproduction of continuous data to and/or from the optical disk....

20060083132 - Method and apparatus for improving recording optical disk writing quality of optical disk writer: This invention relates to a method of improving the writing quality of an optical disk writer, and the writing method comprises the steps of: writing data into a plurality of blocks divided from the inner loop to the outer loop of the recording optical disk and each block corresponding to...

20060083135 - Recording method and optical disc apparatus: In a recordable optical disc apparatus, the efficiency of the work necessary for optimizing the write pulse condition (write strategy) is improved and the read compatibility among drive units is ensured by a minimum addition of circuitry. An edge shift amount or a read signal and a binarized result are...

20060083136 - Disk recording and reproducing apparatus: A recording and reproducing apparatus using a laser diode generating beams at different wavelengths, the recording and reproducing apparatus including: a pickup having the laser diode, a photo diode to detect an optical output power of the laser diode, and a current variation unit to vary an output current of...

20060083139 - Recording medium for storing defect management information for recording real time data, defect managing method therefor, and real time data recording method: A recording medium for storing defect management information to record real time data, a defect managing method therefor, and a method of recording real time data. The recording medium stores information representing use or non-use of linear replacement defect management in which a defective area on the recording medium is...

20060083140 - Disk apparatus and adjusting method thereof: Only a focus servo control is operated without operating a tracking servo control and the driving voltage of a tilt coil is changed to change a tilt angle and a tilt angle is detected at which the signal level of a tracking error signal detected by an optical pick-up becomes...

20060083137 - Data recording method and system: A data recording method for recordable disks. The recordable disk includes a non-border area and multiple border areas. Data is recorded in the non-border area and buffer areas in a single data write. Data is then recorded in the border areas of the recordable disk. The single data write requires...

20060083138 - Write-once medium recording method and recording apparatus, and playback apparatus: A write-once medium having a limited storage capacity can be efficiently used. When sequentially forming a plurality of recording zones from a lead-in side to a lead-out side, first, the first digital data including the first digital content and the first management information is recorded in at least one of...

20060083141 - Method and apparatus for recording information on optical disc: An optical disc of a recordable type or a rewritable type has a plurality of recording layers including first and second recording layers. A laser beam is applied to the second recording layer through a used area in the first recording layer to record arbitrary information on at least a...

20060083142 - Method for preventing optical disk from being scraped: The method prevents an optical disk from being scraped by an optical apparatus of a pickup head of an optical disc drive is disclosed, it mainly includes: moving the optical apparatus of the pickup head to a detection position in which the laser-light emitted from the pickup head focuses on...

20060083143 - Apparatus and method for manufacturing optical disks, apparatus and method for recording data on optical disks, apparatus and method for reproducing data from optical disks, and optical disk formed with pit strings and mark strings: Described herewith is an optical disk manufacturing apparatus for reading recorded digital data from an optical disk, comprising an encryption unit (22, 23) for encrypting entered digital data according to a plurality of key information; an optical disk substrate manufacturing unit 2 for manufacturing an optical disk substrate 4 on...

20060083144 - Optical detector configuration and utilization as feedback control in monolithic integrated optic and electronic arrangements: An improvement in the reliability and lifetime of SOI-based opto-electronic systems is provided through the use of a monolithic opto-electronic feedback arrangement that monitors one or more optical signals within the opto-electronic system and provides an electrical feedback signal to adjust the operation parameters of selected optical devices. For example,...

20060083145 - Compatible optical pickup using light sources following a common optical path: An optical pickup compatible with recording media having different formats, the optical pickup includes a light device module having a first light beam source and a second light beam source to emit corresponding first and second light beams having different wavelengths, a hologram light coupler to separately guide the first...

20060083146 - Information reproduction apparatus: For optical disk apparatus compatible with multiple standards, employing multiple source beams with different wavelengths, less costly implementations of the photodetecting optics section and associated circuitry are presented. A photodetector plane dedicated to RF signal detection is provided. By bandwidth combining an RF signal detected by this plane is with...

20060083147 - Optical pickup device: Provided is an optical pickup device capable to suppress an occurrence of an aberration on a recording medium and a decrease of power of laser beams while employing a diffraction grating as an optical axis correction element. The laser element emitting the laser beam for CD (780 nm in wavelength)...

20060083148 - Planar light emitting device: A planar light emitting device 1 has a light emitting layer 5 that is formed on a glass substrate 2 and that emits light when a voltage is applied thereto or a current is injected thereinto and a two-dimensional diffraction grating 30 that has a first and a second medium...

20060083149 - Protect circuit for optical disk drives: This invention relates to a protect circuit of an optical disk drive, which comprises a discharge circuit being at least connected to a first DC voltage and a ground terminal, wherein the first DC voltage and ground terminal are electrically connected to a power socket of the optical disk drive,...

20060083151 - Optical disk and production method therefor: An optical disk (10) of the present invention comprises a substrate (11) included a biodegradable resin or polyolefin resin, a recording layer (13) provided on at least one side of the substrate (11), and a printing layer (15) provided on the other side of substrate (11), wherein recording layer (13)...

20060083150 - Optical information recording medium and method for manufacturing same: In a multilayered recording medium, when a titanium oxide layer is formed using a sheet-type sputtering device, a transmittance significantly varies due to variations in thickness of the titanium oxide layer. Therefore, according to the present invention, in the multilayered recording medium having the titanium oxide layer, a second dielectric...

20060083152 - Data storage device and method for operating a data storage device: A data storage device comprising a storage medium for storing data in the form of marks. An array of probes is mounted on a common frame. The common frame and the storage medium are designed for moving relative to each other for creating or detecting marks. Each probe is assigned...

20060083153 - Method of producing a product comprising a carrier for audio and/or video digital data, of the audio video compact disc type, and obtained compact disc: Method of producing a product including a carrier for audio and/or video digital data, of the audio or video compact disc type, by: printing on the surface of a blank compact disc opposite the reading surface, an informative picture relating to audio and/or video digital data which are intended to...

20060083154 - Optical recording medium, optical recording method, optical reproducing method, optical recording apparatus, and optical reproducing apparatus: A substrate in which a minute ruggedness structure including columnar projections is formed in a track shape is prepared. The pitch of the columnar projections of the ruggedness structure is set such that a plurality of the columnar projections is within a beam spot. A flat portion is disposed between...

20060083155 - Optical information recording medium and manufacturing method of the same: There is provided a new medium structure to record a bar code for copyright protection or the like in an optical information recording medium capable of recording and reproducing information by a laser with respect to a dye. When a laser beam 30 is irradiated and an optical disc 10...

20060083156 - Optical information recording medium, optical information recording apparatus, information processing apparatus, optical information recording method, program and recording medium: An optical disk 101 includes a plurality of recording layers 102 and 103 and allows recording of information on each of the recording layers 102 and 103. A spiral guide groove having wobbles meandering in radial directions of the optical disk 101 is formed on each of the recording layers...

20060077765 - Super resolution information storage medium, method of making reproducing signal stable, and apparatus for recording/reproducing data on/from the super resolution information storage medium: A super resolution information storage medium, a method of making reproducing signals stable, and an apparatus for recording and/or reproducing data on a super resolution information storage medium. The information storage medium on which information is recorded as marks smaller than a resolution of an incident beam, includes a substrate,...

20060077770 - Data processing apparatus and its control method, program, and storage medium: This invention provides a disk playback apparatus which can shorten a time from when a power switch is turned on until a startup operation is completed. Even when the power switch of the main body is OFF, if exchange of a disk-like recording medium is detected, management data of the...

20060077766 - Data recording program, information recording medium, data recording terminal, data recording system, and data recording method: It is possible to prevent fraudulent recording of data because a check is made as to whether or not the information recording medium 9 was purchased correctly at the cash register 5, and because the information recording media 9 in which has been recorded the write disable information indicating that...

20060077767 - Dialog-reading game with background music and sound effects cued to text: A game for a first user and a second user includes the steps of selecting from a title from a menu, displaying a first line of text corresponding to the title to the first user, playing the first audio segment corresponding to the first line of text, reading the first...

20060077768 - Information process device: In the information process device 1, only when it is determined that the password rewritten in the change password memory area 14a of the backup RAM 14 and the password rewritten in the change password memory area 31a of the second flash memory 31 coincide with each other (S202: YES),...

20060077769 - Wireless information recording medium: A wireless information recording medium including a reversible thermal recording medium, a cushioning material layer provided on the reversible thermal recording medium, an information recording section including an information recording element and an antenna circuit configured to receive and transmit information for the information recording element, and a support layer...

20060077772 - Method and apparatus for reproducing data from recording medium using local storage: A method and apparatus for reproducing data from a recording medium using a local storage is disclosed. The method for reproducing data of a recording medium using a local storage includes the steps of: a) reading a binding unit associated with a specific recording medium from the local storage; b)...

20060077774 - Apparatus information obtaining apparatus, operation information providing apparatus, operation information providing method, operation information providing program and the recording medium: An apparatus information obtaining apparatus for obtaining apparatus information including model information of an image output apparatus from the image output apparatus via a network is disclosed. The apparatus information obtaining apparatus includes: an image output apparatus list database storing a list of image output apparatuses from which the apparatus...

20060077773 - Method and apparatus for reproducing data from recording medium using local storage: A method and apparatus for reproducing data from a recording medium using a local storage is disclosed. The apparatus for reproducing data of a recording medium, wherein original data constructing a first title and a second title having different attributes is recorded, using a local storage includes a local storage...

20060077775 - Data processing apparatus: A data processing apparatus includes an encoder and a processor. The encoder generates reproduction units each including I/B/P picture data, and information indicating reproduction time to reproduce each of the pictures to generate a data stream. The processor generates, in accordance with the type of the recording medium, one of...

20060077776 - Disk array system: A disk array system includes a plurality of disk drives and at least one unit box including the plurality of disk drives aligned in the thickness direction of the disk drive, each disk drive including a thin case accommodating a recording disk, a read/write head, and a driving mechanism for...

20060077771 - Information recording method and optical disk: A once-recordable optical disk has a data recorded area in which application software for creating an information group and a first file system are prerecorded. The application software is readable with the first file system and is used to select desired ones from among information pieces stored in a personal...

20060077777 - Water and shock resistant music player: A water proof and shock resistant music player is provided which permits a user to listen to his/her favorite music while engaged in his/her favorite sport. For example, the user may listen to music while surfing or boogie boarding. The music player comprises an upper housing and a lower housing....

20060077778 - Consumer electronics with optical communication interface: Digital electronic devices for optical communication of digital video and/or audio signals between a digital source device and a digital sink device. A digital source device includes a transition minimized differential signaling (TMDS) transmitter for receiving control and digital video signals from a source controller and for converting the control...

20060077783 - Light-emission and reception module for optical pickup and optical pickup: In a light-emission and reception module for use in an optical pickup, a polarization beam splitter transmits an outgoing laser beam from the laser-emitting element and reflects, as a reflected laser beam, a return laser beam reflected by the optical disc in a direction perpendicular to the outgoing laser beam....

20060077785 - Objective lens carrier structure for optical pickup head: A lens-carrier structure, which is disposed between at least two magnetic generators of an optical pickup head, comprises an objective lens, a plate and a focusing coil. The plate comprises a top-face and a hole. The objective lens is disposed on the top-face and at a predetermined position corresponding to...

20060077781 - Objective lens driving device settled within a height limit of an optical pickup unit: In an objective lens driving device of a symmetry type having an object lens, an objective lens holder for holding the objective lens, and a damper base apart from the objective lens holder in a tangential direction, a suspension member elastically supports the objective lens holder with respect to the...

20060077782 - Objective lens holder for an objective lens driving device capable of thinning an optical pickup unit: An objective lens holder for use in an objective lens driving device of a symmetry type has an upper member and a lower member assembled with the lower member. The lower member has a pair of main bobbin portions for winding two tilting coils and two focusing coils. The pair...

20060077784 - Optical pickup and optical disk apparatus: An optical pickup includes a first optical system for collecting first laser light emitted from a first laser light source onto a first disk, and guiding reflected light from the first disk to a photoreceptor; a second optical system for collecting second laser light emitted from a second laser light...

20060077779 - Optical pickup device with elastic member: An optical pickup device with elastic member, the device comprises a driver, a gear, a rack, an optical head, a guide bar and an elastic member. The gear associated with the driver is rotated by it. The rack, whose back has at least a first fixed support, meshes and interlocks...

20060077780 - Optical pickup unit and optical disc drive having the same: An optical pickup unit comprises an objective lens driving device including an objective lens holder, a damper base, and a yoke for forming a magnetic circuit together with coils. The optical pickup unit further comprises an optical base in which the objective lens driving device is assembled and a mirror...

20060077789 - Lens holding member, focusing lens using lens holding member, optical pickup apparatus and optical recording and reproducing apparatus: In a lens holding member for holding a solid immersion lens, when a difference-in-level portion and/or slant face is constructed at least on a part of the objective side surface, a tilt margin which can be applied to a near field optical recording and reproduction solid immersion lens can be...

20060077791 - Objective lens element and optical pickup device provided with its object lens element:

20060077790 - Objective lens for optical pick-up devices, optical pick-up devices, and optical information recording and/or reproducing apparatus: The present invention provides an objective lens for optical pick-up devices in which the amount of change in the astigmatic aberration is small when there is a temperature distribution that is not circularly symmetric with respect to the optical axis within an objective lens constructed with at least two optical...

20060077792 - Objective optical element and optical pickup apparatus: A first phase structure corrects at least one of a spherical aberration due to a difference between a protective substrate thickness t1 and a protective substrate thickness t2 and a spherical aberration due to a difference between a first wavelength λ1 and a second wavelength λ2, and a second phase...

20060077794 - Objective optical system for optical recording media and optical pickup device using the objective optical system: An objective optical system for focusing light from a light source onto at least two different types of optical recording media having different substrate thicknesses in order to record or reproduce information on the optical recording media includes at least two lens groups arranged along an optical axis for focusing...

20060077786 - Optical lens assembly: An optical lens set to form a lens comprising a first lens set element (30) including a lens (31) having a curved lens surface (32) having an entrance pupil with a first diameter (41), wherein the first lens set element if of a first width (39) taken along a direction...

20060077793 - Optical pickup apparatus and objective optical element: A light flux from the first light source forms a converged spot on first optical information recording medium by only a refraction action of the aspheric surface, or by a combination of the refraction action and an optical action given by at least one of the first phase structure and...

20060077787 - Phase offset integrated solid immersion mirror and lens for a general phase front: An apparatus comprises a condenser for directing electromagnetic radiation to a focal point, the condenser comprising a first interface on a first side of a longitudinal axis for directing a first plurality of rays of the electromagnetic radiation to a focal point and a second interface on a second side...

20060077788 - Solid immersion lens, focusing lens using solid immersion lens, optical pickup apparatus, optical recording reproducing apparatus and method of manufacturing solid immersion lens: A convex portion is provided on the objective side of a solid immersion lens so as to protrude toward an optical recording medium and a difference-in-level portion or a concave portion is provided at least on a part of this convex portion. Then, there are provided a solid immersion lens...

20060077795 - Objective optical system for optical recording media and optical pickup device using it: An objective optical system for focusing light from a light source onto optical recording media includes an aperture control filter with a diffractive optical function formed as a glass plate with an aperture control structure on one side and a diffractive optical structure, such as a plastic diffractive optical element...

20060077796 - Focus controlling device and method, and focus control program: An optical pickup 4 that converts the reflected light from a laser light irradiated onto a disc into an electrical signal, is provided with an objective lens 42 that performs the irradiation of the laser light and reception of the reflected light and a biaxial actuator 43 that drives the...

20060077798 - Optical disk apparatus and photodetection signal processing method: An optical disk apparatus of the invention includes an optical pickup which irradiates an optical disk with a laser beam, a light-reception unit including a first light-reception element and a second light-reception element, the light-reception unit receiving the laser beam reflected from the optical disk to provide a first photodetection...

20060077797 - Optical disk recording/reproduction device and search method for information recording area of optical disk in the same: The optical disk recording/reproduction device is provided with an information recording area search means, comprising, a moving means which detects the presence and absence of information and return moves an optical pickup from inward to outward or from outward to inward direction of an optical disk, and a stopping means...

20060077804 - Disk device and control method for disk device: A disk device includes: a rotating unit for rotating the optical disk; an optical pick-up for reading the information data recorded on the optical disk; a moving unit for moving the optical pick-up; a focus control unit for leading the focus of the optical pick-up; a tracking control unit for...

20060077805 - Disk drive apparatus and seek method: The determination on the reach to a BCA by using a pull-in signal in a seek for the BCA may eliminate the necessity of a position sensor for determination of the reach to a BCA, for example, which can realize a seek independent of a count of the number of...

20060077799 - Dvd disk device with video playback: A DVD device with video playback has a spindle motor to rotate a disc by a pick-up head. An integrated control unit includes a processor, MPEG interface, and I/O interface. The integrated control unit outputs control signals to a motor servo and a pick-up head servo so as to individually...

20060077806 - Focus point calibration for optimum recording quality: The present invention provides a method for calibrating focus positions of a pickup head. The pickup head is in a focus position of a predetermined distance from an optical recording medium for producing a recording light beam of a predetermined power for recording corresponding data onto the optical recording medium....

20060077800 - Method and device for determining slicing level of track-crossing signal: The present invention provides a method and a related device for determining a slicing level of a track-crossing signal. The method includes reading a Track Error Zero Crossing (TEZC) signal of an optical storage device, reading the track-crossing signal such as a Radio Frequency Ripple (RFRP) signal of the optical...

20060077801 - Method and device for tracking and focusing enhancement of disk drives: A method for tracking and focusing enhancement of disk drives and related devices. The method performs feedforward compensation for an output signal generated by a feedback compensator of a disk drive. The output signal is utilized for controlling a tracking position or a focusing position of a read/write module of...

20060077803 - Method of adjusting a writing focus in an optical disc drive: A method of adjusting a writing focus in an optical disc drive is disclosed. At first, the focus lens of the optical pick-up head is actuated make the focusing point of a laser beam focused on a number of predetermined positions, and a laser beam with a constant power is...

20060077802 - Optical disk device: In an optical disk device, an output terminal is connected to an optical pickup, and a preceding sub-beam returning light signal which is electrical signal obtained by converting returning light of a sub-beam preceding an main beam is output through the output terminal. A defect period detection circuit detects a...

20060077807 - Apparatus having an optical head for reading and/or writing data stored in an optical carrier and method involved in this apparatus: This apparatus comprises an optical head (10) for reading and/or writing data stored in an optical carrier (1) having a circular shape, comprising tracks (100) wound round a center. This apparatus comprises, in particular: an optical assembly constituting said head, having a main light path direction (XX′) defined by the...

20060077809 - Optical pickup and disc drive apparatus: An objective lens actuator has a fixed block fixedly mounted on a movable base and a movable block movable with respect to the fixed block in focusing directions toward and away from recording surfaces of the disc-shaped recording mediums and tracking directions which are substantially radial directions of the disc-shaped...

20060077808 - Optical pickup head and information recording and/or reproducing device incorporating same: An optical pickup head (100) for a high density recording and/or reproducing device compatible with first and second optical recording media. The pickup head includes a first light source (11) emitting first light beams with a first wavelength, a second light source (12) emitting second light beams with a second...

20060077810 - Optical head, an optical disk device and an integrated circuit: A light sensing area of a light sensing element is comprised of A1 region, A2 region, B1 region, B2 region and N region. A tilt detector carries out a tilt detection in accordance with a first difference signal, which is a difference signal between a signal obtained from the A1...

20060077814 - Disc playing method without interruption and system thereof: A disc playing method and related system without interruption is disclosed. First, the data blocks on a disc (such as a DVD) is previewed without playing. Next, the error ratio of the data block is determined. If the error ratio of the data block exceeds a predetermined threshold, the address...

20060077815 - Disk device: A disk device is arranged to select an appropriate rotation control method according to a kind of an optical disk, a recording format or a recording method so that a recording operation for a certain amount of information may be completed as fast as possible, even if a waiting time...

20060077811 - Method and apparatus for recording data on a recording disc, and method and apparatus for restoring data recorded on a recording disc: Video object units are generated from a program stream. The generated video object units have navigation portions respectively, and compose video objects. The navigation portions are void of ending time information and search information. The video object units are sequentially recorded on the recording disc without being buffered. Ending time...

20060077817 - Method and apparatus for reproducing data from recording medium using local storage: A method and apparatus for reproducing data from a recording medium using a local storage is disclosed. The method for reproducing data of a recording medium using a local storage includes (a) reading a binding unit associated with a specific recording medium from the local storage; (b) forming a virtual...

20060077813 - Method and disc reading device for detecting unbalanced disc: A method and disc reading device for detecting an unbalanced disc are disclosed. The disc reading device includes a first sensor, a second sensor, a cache memory, an operating unit and a data table. The first sensor and the second sensor respectively detect a first parameter and a second parameter...

20060077821 - Method of recording information on optical disks at recording density proportional to the actual information volume and disk nominal capacity: A method is designed for recording contents information along a track of an optical disk of a writeable type. A volume detection step is carried out for detecting an actual volume of the contents information to be recorded into the optical disk. A capacity detection step is carried out for...

20060077818 - Optical disc processor: A controller in an optical disc processor serves as a visual information recording unit for recording visible information by forming visual information-display pits to be closely aggregated together in a given display pattern, the visual information-display pits having a width larger than that of other pits, wherein the title information...

20060077820 - Optical disk apparatus: An optical disk apparatus for recording data on an optical disk having a land pre-pit (LPP). An encoder of a DVD-R/RW drive records data while inserting synchronization information having a length of 14T at the top of a synchronous frame. The encoder sets synchronization information of the i-th frame (wherein...

20060077819 - Optical disk recording apparatus and method thereof: An apparatus and a method for optical disk recording includes a storing unit to store recording patterns according to an optical disk type and an optical disk manufacturer. A; recording unit reads basic information from a provided optical disk and records data according to a predetermined recording pattern. A MI...

20060077812 - Player/recorder, contents playing back method and contents recording method: In order to protect the copyright of content and to achieve fast playback of content and improvement in the operability of a player/recorder, content are encrypted and recorded to a removable first recording medium by using a key unique to the first recording medium and, at the same time, content...

20060077816 - Recording medium, and method and apparatus of recording and reproducing data on the same: An apparatus of recording data on a recording medium includes a pickup unit and a microcomputer. The pickup unit records data in a plurality of data frames included in a cluster. The microcomputer controls the pickup unit to record status information within the cluster, which indicates a status of the...

20060077825 - Digital information recording and reproducing method and apparatus therefor: To solve the problem inhibiting the copyright protection caused by reason that there are no means for restricting the number of backups to other media, which makes it impossible for a copyright owner to specify the allowable number of backups for the content of “Copy One Generation”, disclosed herein is...

20060077826 - Disc playback apparatus and method: A disc playback apparatus is configured to reproduce information by demodulating and decoding a radio-frequency signal obtained by receiving reflected light of a beam applied to a recording surface of a removable disc when the disc is loaded in the disc playback apparatus. The apparatus includes a disc format determining...

20060077827 - Information recording medium capable of defect management, information recording apparatus capable of defect management, and information playback apparatus for playing back information from defect-managed medium: An information recording medium according to an aspect of this invention includes a data area (A2) for recording user data and an address area (DMA address area) for recording address data that indicates the position of a defect management area that manages a defect present in the data area....

20060077828 - Optical disk device: An optical disk device is provided with a first analog-to-digital converter for converting a push-pull signal detected from an optical disc medium into a digital sampling signal according to a sampling clock in the vicinity of a channel frequency, an address polarity information detection circuit for detecting address polarity information...

20060077822 - Digital signal processing method and apparatus performing variable number of error correction repetitions: In an apparatus and a method for processing digital signals in an optical disc system, the digital signal processing apparatus includes an EDC unit that processes data that is demodulated by an EFM demodulator to determine in advance whether input data requires error correction. When EDC determination indicates that the...

20060077830 - Data reproducer: It is an object of the present invention to provide a data reproducer in which the quality of a reproduction signal is improved. A data reproducer of the present invention includes a phase-difference detecting section which obtains the cross correlation value between the head pattern in a track to be...

20060077829 - Information recording method and apparatus, information reproducing method and apparatus, and recording medium: A clock mark for extracting a clock when reproducing information from a recording medium and a synchronization mark for detection a bit-slip are recorded so that a part of the synchronization mark is identical to a pattern of the clock mark. A bit-slip detection and a clock detection are performed...

20060077831 - Optical disk recording device and method for recording data at high record-speed on low record speed optical disk: An optical disk recording method, and an optical disk recording device to perform the method, the method including generating an over speed write pulse string so that a data recording operation on an optical disk is performed at a record speed exceeding an allowable record speed of the optical disk,...

20060077833 - Control system for a disk device: A control system for a disk device is integrated into the control unit of a host. The control unit transmits a control signals to the control system. The control system transfers the control signals to a signal transferor, and outputs information signal to the control unit. By receiving the control...

20060077832 - Method and apparatus for controlling reproduction speed of an optical disk: A method and apparatus for controlling reproduction speed of an optical disk are provided. The method for controlling reproduction speed of an optical disk includes checking whether a read command has been received, and examining whether the received read command is intended for performance evaluation based on the number of...

20060077824 - Power determining method in optical disk recording apparatus having a plurality of pickups: A method is designed for determining optimum power values of optical beams emitted from a plurality of optical pickups provided in an optical disk recording apparatus. In the method, a first step is performed for performing test recording of data by use of the plurality of the optical pickups, respectively,...

20060077823 - System and method for automatically calibrating light emitting device: A method of automatic light emitting device calibration includes providing an optical device having a light emitting device and a photo monitor; controlling power of the light emitting device by changing values of a drive signal to the light emitting device; detecting light emitted by the light emitting device and...

20060077834 - Optical disk recording device for optimizing write pulse string in use of energy level of write pulse string and method thereof: A method of optimizing a write pulse string, and an optical disk device to perform the method, the method including measuring an energy level of the write pulse string used in recording data on an optical disk, and controlling a generation of the write pulse string so that the energy...

20060077837 - Device and method of recording information on an optical disc: A device for recording information on an optical disc so as to improve the recording quality of the information when a recording operation has just started. The recording device includes a luminous element radiating a light for recording information on the optical disc; a radiation intensity controller constantly controlling an...

20060077836 - Method for determining optimum recording power through detecting whether rf top channel signal is correct: A method for correctly determining optimum recording power through detecting whether a radio frequency (RF) top channel signal is correct, including determining a certain location for performing optimum power control (OPC) by checking a counter area in a power calibration area (PCA) in an optical recording medium, and recording an...

20060077835 - Optical disk apparatus: An optical disk apparatus has a highly accurate trial writing function corresponding to a PRML system and copes with a bad jitter of a 2 Tw mark in order to realize an optical disk, the recording/reproduction of which is enabled in both a DVD and a Blu-ray Disc by a...

20060077838 - Optical disk device and startup method of optical disk: Time required for identification of a type of an optical disk and notification of error in an optical disk device is shortened. In an optical disk device which identifies among a plurality of types of optical disks and starts up, a data processor limits a group of startup modes to...

20060077839 - Recording medium, recording apparatus, and reading apparatus: In a recording material, physical characteristic information of the recording medium, and more specifically, material information representing the material of the disc, is recorded. Accordingly, a recording apparatus and a reading apparatus easily and accurately determine the physical characteristics of the disc, thereby making it possible to provide suitable setting...

20060077840 - Disk area detection method and apparatus: A disk area type detection method and apparatus, the disk area type detection method including detecting the difference between a side push-pull (SPP) 1 signal and an SPP2 signal; and determining whether an area is a storage medium related information area or a user data area on the disk, based...

20060077844 - Voice recording and playing equipment: The solution is as below. A block composition unit 1 receives a voice signal and breaks said voice signal to a blocks having a predetermined length. A ADPCM transformation unit 3 conducts the ADPCM transformation by every blocks thereof. A block characteristics detection unit 4 acquires a block characteristics data...

20060077842 - Dvd-audio disk, and apparatus and method for playing the same: A DVD-Audio which includes a data zone for storing data to be reproduced and an information zone for storing information on the data to be reproduced. The information zone includes directories of a video title set (VIDEO_TS) and an audio title set (AUDIO_TS). The AUDIO_TS directory includes information on an...

20060077841 - Method of recording data on optical storage medium and apparatus thereof: A method of recording data on an optical storage medium writes different types of data to the same area on the optical storage medium. The data to be written are successively stored in a data buffer in accordance with the sequence of the identification data of a data sector. The...

20060077843 - Recording medium for storing write protection information and write protection method thereof: An apparatus for writing and/or reading write protection data using a recording medium storing write protection information, and a write protection method and apparatus for protecting data recorded on a recordable and/or rewritable disc from unwanted overwriting or erasing. In order for write protection of a disc in a bare...

20060077845 - Information processing system and information processing apparatus: Battery information is transmitted from a recording and playback apparatus to a host computer. In the host computer, based on the time for which the operation can be continued, corresponding to the current operating status and the remaining battery level, stored in the. battery information, a warning is output, the...

20060077846 - Method of erasing power calibration area for deciding optimum power: A method of erasing a power calibration area (PCA) for determining optimum power, including applying a command for recording data, detecting a non-recorded PCA area for performing optimum power control (OPC), and when all the PCA area is used and no non-recorded PCA area is detected, performing erasing of the...

20060077847 - Optical information recording device: The invention provides a method effective in detecting a reproduction signal in real time correction in which correction is simultaneously performed with recording. In this method, a laser beam emitted from a laser diode 110 is divided into a plurality of beam spots by a diffraction grating 114. One of...

20060077848 - Optical disc recording/reproducing apparatus and a method for determining write strategy thereof: An optical recording and reproducing apparatus and a method for determining a write strategy thereof, includes a pickup part to record record data by irradiating a light on an optical disc, a driving part to operate the pickup part to irradiate the light corresponding to a predetermined optical parameter, an...

20060077850 - Data slicing circuit using multiple thresholds: A data slicing circuit that receives a demodulated signal including a known data pattern followed by unknown data generates at least two different threshold potentials intermediate between the peak and bottom levels of the demodulated signal. Different comparators compare the demodulated signal with the different threshold potentials to generate at...

20060077849 - Method and apparatus for detecting specific signal pattern in a signal read from an optical disc: A method utilized for detecting a physical mark in a signal read from an optical disc, including: generating a matching signal capable of being utilized to identify the physical mark according to a reference clock and a wobble clock; generating a comparison signal by comparing the matching signal and a...

20060077853 - Apparatus and method for recording and reproducing hologram, and spatial light modulator therefor: A hologram recording/reproducing apparatus includes a recording/reproducing optical system that guides at least one of an information beam and a reference beam to an optical recording medium; a spatial light modulator that is arranged in an optical path of the recording/reproducing optical system, and spatially modulates a beam guided via...

20060077851 - Hologram recording apparatus and hologram recording method: A hologram recording apparatus includes a light source for irradiating coherent light, light separator for separating the coherent light into light for reference beam and light for signal beam, optical path changer for changing an optical path of each light separated by the light separator so that the reference beam...

20060077852 - Hologram reproduction apparatus and reproduction method: A hologram reproduction apparatus includes a light-receiving unit such as a two-dimensional sensor which obtains two-dimensionally modulated image data, and an A/D converter which A/D-converts analog data obtained by the light-receiving unit into digital data. In addition, the hologram reproduction apparatus detects a number of pixels having a digital value...

20060077857 - Optical information recording apparatus and method for recording optical information: The optical information recording apparatus includes a laser light source for radiating a light beam, a spatial light modulator disposed on an optical path of the light beam, a power density control mechanism disposed on the optical path, an interference fringe formation mechanism. The spatial light modulator has pixels arranged...

20060077856 - Optical information recording apparatus and optical information reproducing apparatus: Provided are a first moving unit 2a which, as an unit, moves an objective lens 23 and a relay lens 19 on the objective lens side out of a pair of relay lenses to an irradiation position of a recording medium 51, and a second moving unit 2b which moves...

20060077855 - Optical pickup head compatible with multiple optical recording media: An optical pickup head compatible with multiple optical recording media includes three light sources, a prism unit disposed beside the light sources, a reflective multi-surface prism disposed beside the prism unit for multiple reflecting light beams therethrough, a collimating lens disposed beside the reflective multi-surface prism for collimating light beams...

20060077854 - Optical scanning device: An optical head for use in the scanning of a record carrier, the record carrier having data stored on data tracks therein on a plurality of information layers (3, 4) at a plurality of depths within the record carrier. The optical head comprises: a movable optical element (16) arranged in...

20060077858 - Wavelength plate, optical element, and optical pickup: There is provided, in an optical disk apparatus which is capable of recording data to or reading data from a plurality of types of optical disks, a wavelength plate and an optical pickup which can reduce deterioration in signal quality even in the presence of a large birefringence of the...

20060077860 - Optical pickup device: Provided is an optical pickup device whose optical axis adjustment can be performed while an increase in cost is suppressed and whose optical axis correction can be accurately performed even when a variation in arrangement between laser elements occurs. The optical pickup device includes a semiconductor 101 that houses at...

20060077859 - Optical pickup: An optical pickup includes: two laser diodes respectively operable to emit optical beams having different wave lengths; a diffraction grating operable to diffract each optical beam to a zero order diffracted beam and plus and minus first order diffracted beams; a holographic optical element operable to diffract the beams reflected...

20060077861 - Objective optical system for optical recording media, optical pickup optical system, and optical pickup device using the optical pickup optical system: An objective optical system focuses light from a light source onto at least two different types of optical recording media having different substrate thicknesses in order to record or reproduce information onto the optical recording media by using a different light convergence or divergence effect based on a difference in...

20060077862 - Objective lens and optical pickup apparatus: An objective lens for an optical pickup apparatus includes: one optical surface in an aspherical shape including a central area for converging the first and second light fluxes having a first area and the second area, and a peripheral area for converging the first light flux. The central area includes...

20060077863 - Laser power control circuit and method thereof: A laser power control circuit includes a system control module for generating two write channel target values in a calibration mode, a driving module for driving a laser generator, and a detection module for detecting two laser power values of the laser generator. A write channel control module of the...

20060077864 - Semiconductor laser device and optical pickup device having the device: A semiconductor laser device includes a thin metal plate having a mounting surface, and an LD chip having a front end surface from which laser light is emitted. The thin metal plate has radius portions so as to enable the thin metal plate to turn around the neighborhood of the...

20060077866 - Optical scanning device: An optical scanning device for scanning tracks of an optical record carrier (OD) using a radiation beam, the device including an optical head (16), defining an optical axis (OA), for converging the radiation beam to a spot when scanning the record carrier; and a rotary arm (2) for moving the...

20060077865 - Tight focusing method and system: A method and system are presented for use in recording/reading data from an array of data units within a three-dimensional storage medium. Exciting radiation is provided in the form of first and second light beams of first and second different wavelengths, respectively. The first and second light beams are concurrently...

20060077867 - Use of magnetofluidics in component alignment and jitter compensation: An optical system includes an optical component mounted relative to a housing; a fluid in contact with the housing; sources generating a magnetic field in the fluid; and a controller controlling the optical component position to maintain optical parameters of the system. The optical component is suspended using the fluid....

20060077868 - Optical information recording medium: For improving the humidity resistance reliability and the jitter property of an optical disk, the adhesive layer used for bonding a bonding type optical information recording medium is defined such that the glass transition temperature is 100° C. or higher at 200° C. or lower, the modulus of elasticity at...

20060077880 - Information recording medium and recording/reproducing apparatus: An information recording medium excellent in surface smoothness. The information recording medium has a data track pattern and a servo pattern formed on at least one surface of a substrate by a concave/convex pattern including a plurality of convex portions. The concave/convex pattern has concave portions each having a non-magnetic...

20060077872 - Information recording medium, recording/reproducing apparatus, and recording/reproducing method: A recording/reproducing apparatus a writing unit writes data to the information recording medium, which comprises a user data area for recording user data. A replacement recording block that replaces an original recording block recorded in the user data area is recorded in an unrecorded area of the user data area,...

20060077869 - Optical recording media: An optical recording media has a disc substrate and two or more recording layers arranged apart from each other with a dielectric layer interposed therebetween to cause optical change simultaneously by irradiation with light, in which a first recording layer positioned near the disc substrate has a higher optical change...

20060077876 - Optical recording media and method of fabricating the same: A recording medium. A recording layer is disposed overlying a substrate. A moisture barrier layer is disposed overlying the recording layer. A reflecting layer is disposed overlying the moisture barrier layer. An adhesion layer is disposed overlying the reflecting layer. Due to the static moisture barrier layer interposed between the...

20060077870 - Optical recording medium: An optical recording medium of the present invention is a lamination body having two light transmissive substrates not less than 50 μm in thickness and an optical information recording layer not less than 100 μm in thickness that is provided between the two light transmissive substrates and is comprised of...

20060077871 - Optical recording medium: Disclosed is an optical recording medium with a uniform optical information recording layer that resists deformation, thereby attaining excellent recording and reproducing characteristics, great productivity, and handling ease. This optical recording medium includes two light transmitting substrates, and an optical information recording layer to which information is to be recorded...

20060077875 - Optical recording medium: An optical recording medium includes a body, optical information recording layer, and a cartridge. The body includes two light transmissive substrates each including a thickness not less than 50 μm; and an optical information recording layer including a thickness not less than 100 μm in thickness between said two light...

20060077877 - Optical recording medium: A multilayer optical recording medium comprises four recording layers including an L0 layer, an L1 layer, an L2 layer, and L3 layer laminated between a substrate and an optically transparent cover layer and optically transparent spacer layers each provided between the recording layers. The L2 layer has the negative dependence...

20060077881 - Optical recording medium and optical disc processor for recording information on the optical recording medium: An optical recording medium comprises a base layer, recording layers formed on the base layer so that pits, which cause light reflection different from that of areas around the pits, are formed thereon, encoded data pits formed on each of the recording layers in an arrangement corresponding to encoded data...

20060077882 - Optical recording medium, recording/reproducing method and recording/reproducing apparatus: An optical recording medium, a recording and/or reproducing method and a recording and/or reproducing apparatus by which data can be quickly recorded according to an optimum recording and/or reproducing condition. A reference signal area is disposed in each of the recording layers in order to record a predetermined reference signal...

20060077878 - Phase-change optical recording media and optical recording-reproducing apparatus: The present invention relates to an optical recording media including two or more information layers, at least one of the information layers including a writable recording film. In the optical recording media, at least one information layer has protrusions and recesses that permit tracking and at least another one information...

20060077874 - Recording medium: On a recording medium on which information is recorded in the form of data signals, class information representing a class regarding the information recorded in the form of the data signals is recorded at least visually. For example, on a recording medium on which pieces of data encoded according to...

20060077879 - Recording medium, and method and apparatus for recording data in the recording medium: A recording medium, and a method and apparatus for recording data in the recording medium are disclosed. The recording medium including an inner area, a data area, and an outer area includes a first test area contained in the inner area, and a second test area contained in the outer...

20060077873 - Recording medium, and method and apparatus for reproducing data from the recording medium: A recording medium, and a method and apparatus for reproducing data from the recording medium are disclosed. The recording medium includes a record area in which at least one first title and at least one second title having different attributes are recorded, and a reproduction management area for reproducing individual...

20060077883 - Information storage medium, information recording method and apparatus, and information reproducing method and apparatus: There is provided an information storage medium capable of highly reliable defect management, even if the medium has relatively low resistance to overwriting. The information storage medium comprises a defect management area in which defect management information on a replacing process is recorded, a spare area for defect management information...

20060077884 - Phase-change information recording medium, manufacturing method for the same, sputtering target, method for using the phase-change information recording medium and optical recording apparatus: It is an object of the present invention to provide a phase-change information recording medium, and the like, which is easy to perform initial crystallization, exhibits good recording sensitivity at a linear velocity as high as 10 double speeds or more with as much capacity as DVD-ROM, is capable of...

20060072377 - Domain expansion rom media with adapted domain shape for improved readout: The present invention relates to a domain expansion storage medium and manufacturing method with improved readout performance. The substrate of the storage medium and/or its storage layer is processed to define a predetermined shape of magnetic domains, adapted to the front of the thermal reading profile. In particular, reversed crescent...

20060072379 - Adaptive equalization circuit and adaptive equalization method: The present invention provides an adaptive equalization circuit and adaptive equalization method that can perform signal processing on a small scale with good computation accuracy, and can improve the reproducing signal quality and improve the playability of abnormal signals. According to the present invention, an equalization target value (true target...

20060072378 - Determining type of signal encoder: In order to promote its “xxx” signal encoding algorithm, company X offers users of a particular encoder (21) the possibility to up-load (parts of) their .xxx files to the company's website. The company's web-server (1) checks whether the received file is indeed xxx-encoded material by (i) decoding the file using...

20060072380 - Library control system and library device control method: A library control system includes a library device for storing plural recording media, plural host devices for requesting for an access to the recording media, and a channel switch device for controlling connection between the host device and the library device. The library device has plural drive units and a...

20060072381 - Apparatuses and methods for laser processing of head suspension components: Apparatuses and methods for determining and adjusting a performance parameter of a head suspension or a head suspension assembly, such as static attitude, are provided. An apparatus in accordance with the present invention includes a measurement probe, such as an autocollimator, and a tool head. The tool head includes a...

20060072382 - Optical disk device: An optical disk device includes: an optical disk drive mechanism disposed in a housing-shape drive case (2), the optical disk drive mechanism including an optical head (7) on which a semiconductor laser (5) is mounted, a rotary driver for driving an optical disk (8), and a transfer mechanism for transferring...

20060072386 - Actuator apparatus for optical pickup having tilt control: An actuator has a moving portion including an objective lens, an objective lens holding cylinder, a focus coil, and a tracking coil, a first magnetic circuit for driving the focus coil, a second magnetic circuit for driving the tracking coil, and an elastic member for supporting the moving portion. The...

20060072383 - Disc drive apparatus: An optical disc drive apparatus (1) comprises: rotating means (4) for rotating an optical disc (2); a sledge (10) radially displaceable with respect to an apparatus frame (3); a platform (20) radially displaceable with respect to said sledge (10); an optical system (30) for scanning a disc, the optical system...

20060072384 - Optical disk device: To accomplish the above-mentioned object, a dual-purpose drive source mechanism (62, 64, 65, 66, 67, 68) generates a driving force for a pickup drive mechanism (57a) and a turntable raising/lowering mechanism (51c, 15). The operation of switching a transmission path of the driving force of the dual-purpose drive source mechanism...

20060072385 - Thin-film coil, coil driving circuit and magnetic head: A thin-film coil include a substrate and first and second spiral coils of bifilar winding. Each of the first and the second coils includes an outer circumferential end and an inner circumferential end. The outer circumferential ends of the first and the second spiral coils are insulated from each other...

20060072388 - Pivoting optical device: Pivoting optical device comprising a first part (15) and a second part (17) with optical means which is pivotally movable relative to the first part about a first pivot axis (19), said optical means defining an optical laser beam path (21) in the general longitudinal direction of the second part,...

20060072387 - Small optical disk drive: The invention relates to an optical disk drive, which can be built very small. In order to solve cooling problems and collecting light reflected from the disk with maximum efficiency an optical disk drive is proposed comprising:—a laser diode for generating a laser beam, said laser diode being located at...

20060072389 - Optical disc recording/reproducing apparatus capable of rapidly determining unrecorded disc: An optical disc recording/reproducing apparatus according to the present invention determines the state of recording of an optical disc on the basis of the detection period of longest pits recorded on the optical disc wherein the period is changed with the acceleration of the rotation of the optical disc until...

20060072390 - Optical drive and controlling method for the same: An optical drive comprises a radio frequency processing unit, a memory, a digital signal processing unit, and a driving processing unit. The radio frequency processing unit enlarges a signal generated with an optical pickup and produces a tracking error signal and a servo signal. The memory saves a plurality of...

20060072391 - Disc drive with improved resistance against mechanical shocks: A disc drive apparatus (1) comprises; a) actuator means (50) for controlling the positioning of an element (34) of a scanning means; b) error signal calculating means (111, 112) for receiving a read signal (SR) and generating at least one error (RES; e(k)); c) a state estimator (120) for receiving...

20060072392 - Vibration suppression for servo control: Embodiments of the present invention provide a way to modify the controller of a HDD head actuator to increase the error rejection capability and suppress the wideband vibration that affects the head motion. In one embodiment, a system to suppress influence of an external disturbance to an actuator comprises a...

20060072393 - Optical disk system with delay-difference detector without delay lines: Optical disk systems comprising photo detectors (1) for detecting optical disks comprising amplifiers and slicers (2-5) and delay-difference detectors (6) for detecting delay differences in sliced amplified detection signals are improved by installing delaylineless delay-difference detectors (6) comprising combinatorial-logic circuits (7,8) like inverters, ORs, NORs, ANDs, NANDs and sequential-logic circuits...

20060072395 - Av data conversion device and method: An AV data conversion apparatus has a verification file confirmation means (11) for reading an AV data file (101) containing AV data including video information and audio information, and a verification file (102) for the AV data file, and confirming if the AV data file and verification file mutually correspond;...

20060072399 - Data processing device and method: A data processor includes: a receiving section for receiving a data stream including first data on a compressed and encoded video content, first time information setting the presentation time of the first data, second data on a different type of content from the video content, and second time information setting...

20060072398 - Data transmission control method: A transfer control method is provided to enable efficient data transfer when a single optical disk device (2) is accessed by a plurality of host computers (3). The method includes: an access position obtaining step of interpreting instructions issued from a plurality of tasks provided on the plurality of host...

20060072402 - Information recording-reproducing apparatus and method: An information recording-reproducing apparatus and method is provided wherein control information sequence (ADIP address) is read out based on the detection of a sync mark and whereby the recovery from the state where control information sequence cannot be restored can be quickened and the speed and efficiency of reading of...

20060072397 - Method and device for recording, transmitting, or reproducing data: Reproduction AV data obtained from an optical disc 41 is stored into a RAM 50. An AV signal whose reproduction start timing has been controlled is outputted from the RAM 50. Breath of a viewer is measured by a sensor 61. A measured signal is supplied to a peak detecting...

20060072394 - Method and device for writing a multi-layer optical disc: A method is described for writing an optical disc (2) having a multi-layered storage space (30) comprising at least a first storage layer (31) and a second storage layer (32) below the first layer (31). The method comprises the step of preventing a write operation to a portion of the...

20060072396 - Method for storing data on an optical recording medium: The invention relates to a method for storing data in a prerecorded area of an optical recording medium, and to an optical recording medium having at least one prerecorded area in which data is stored according to the method. It is an object to propose a method for storing data...

20060072401 - Optical data processing: An optical system configured for optical data processing is disclosed. In one example of the system, a photodetector array is configured to obtain an image of light modulated by reflection off a data track defined on optical media. In this example, the image contains at least one framing mark and...

20060072400 - System and method for optimizing a storage system to support short data lifetimes: A system and method for optimizing a storage system to support short data object lifetimes and highly utilized storage space are provided. With the system and method, data objects are clustered based on when they are anticipated to be deleted. When an application stores data, the application provides an indicator...

20060072406 - Picture recording apparatus: A picture recording apparatus which can record a picture on a write-once medium having an element which specifies a first size on a recording area assigned to data saving in edit processing, and an element which subtracts the first size from a remaining amount of recording area in the write-once...

20060072407 - Optical disc recording control method, drive, and recording system: According to an optical disc recording control method, a drive, and a recording system of the present invention, in a drive of an optical disc, when data transfer from a host computer is interrupted while data transmitted from the host computer is being recorded in a track of the disk,...

20060072404 - Method and system for managing data storage on optical media using scan-before-burn techniques: A method and system for reducing errors when storing data on a marginal optical storage media. Write parameters for writing information to the optical storage media are adjusted to compensate in the quality of the storage media. In one embodiment of the invention, the drive uses a scan-before-burn routine to...

20060072403 - Recording condition setting method, recording method, recording medium, and optical disc device: In a recording condition setting method, a plurality of setting values of record timing conditions are acquired for a number of group data conforming to a linear velocity of an optical disk, rotated by a constant angular velocity (CAV), at a record position on a recording surface where information is...

20060072405 - System and method for disc labeling: An optical disc drive reads identification information from an optical disc inserted in the drive in a label orientation having a label side presented to the optical disc drive laser by reading codes marked at the opposing storage side in a transparent region or marked on the label side oriented...

20060072408 - Method for implementing optimal recording power for multi-session recordable optical media in an optical disc drive: A method for writing a multi-session recordable disc. The method includes performing an immediate optimum power calibration (IOPC) in the lead-in area of each session of a multi-session recordable disc, determining a recording power for the session according to the IOPC output, and completing the session using the determined recording...

20060072410 - Laser power selecting method, information recording medium, and information recording device: A laser power selecting method includes the steps of recording an asymmetry measuring recording pattern in an optical disk trial-writing area while a laser power is being changed, reproducing a signal from the trial-writing area to calculate an asymmetry value from the waveform of the reproduced signal, determining the change...

20060072409 - Optical recording medium: l

20060072412 - Method and apparatus for canceling repeatable run-out errors in positioning on recording medium: A method and apparatus cancel repeatable run-out (RRO) errors in positioning on a recording medium using a RRO cancellation control voltage. The RRO cancellation includes (a) estimating a rotation period of the recording medium, (b) determining an update interval for the RRO cancellation control voltage based on the estimated rotation...

20060072413 - Tilt control for reading information: The present invention generally relates to non-human transgenic animals expressing human cellular markers, including CD20 and/or preferably CD16....

20060072414 - Optical disc tilt detection and tilt servo control method: A method for detecting and controlling disc tilt in an optical disc mechanism comprising the steps of (A) measuring a 2-dimensional displacement of an optical lens of the optical disc mechanism, (B) extracting an absolute value of a disc tilt angle in the optical disc mechanism based upon the 2-dimensional...

20060072411 - Write-once medium recording method, recording apparatus, and playback apparatus: A DVD-R disc which is unusable due to a mechanical error in use can be reused. Recording zones 0 to 2 are sequentially formed from the lead-in side to the lead-out side on the DVD-R disc. When an ECC error occurs due to mechanical damage generated during recording picture information...

20060072415 - High-density optical recording medium and method of recording data on the same: A high-density optical recording medium and method of recording data on the optical recording medium. The optical recording medium includes a plurality of data recording/reproducing surfaces having reflectances for light passing through a pit area, a land/groove area, and a land/groove area on which data are recorded, of a data...

20060072417 - Device for reducing power consumption of optical drive and method for the same: A device and method for reducing power consumption of an optical drive are proposed. The present invention samples a carrier control signal and then compares the samples of the signals with predetermined threshold signals. According to the comparison result, the present invention increases or decreases an output signal index. The...

20060072416 - Optical recording apparatus capable of optimizing write defocus and method thereof: An optical recording apparatus includes an optical pickup unit for generating and directing optical signals onto a given optical medium, and for detecting corresponding reflected optical signals from the optical medium; a focus motor for moving a focusing lens on the optical pickup according to a focus signal for adjusting...

20060072418 - Method for crosstalk reduction between tracks on a recording medium, recording device, playback device and recording medium: In order to reduce the cross talk between data recorded in adjacent tracks on a record carrier the encoding of the data stream into code words is controlled using control points. The code words in a first track are altered by selecting that value of the control point that results...

20060072419 - Optical scanning device: An optical scanning device (1) is for scanning an information layer (2) by means of a radiation beam (4). The device includes a radiation source (7) for supplying said radiation beam, an objective lens (10) for transforming said radiation beam into a scanning spot (19) at the position of the...

20060072420 - Writing and reading of data in probe-based data storage devices: Methods and apparatus are provided for controlling writing and reading of data in an array of A storage fields of a probe-based data storage device in which data is written to and read from the array of storage fields by a corresponding array of probes. One method uses the concept...

20060072421 - Hologram recording method, hologram recording reproduction method, hologram recording device, hologram recording/reproduction device and hologram reproduction device: In the hologram recording and hologram-record reproduction using a one-dimensional optical modulator, the one-dimensional optical modulator where a plurality of light-modulating pixels are arranged modulates a laser beam to record a digital-data signal on a hologram recording medium, and part of the light-modulating pixels record sync signals in two or...

20060072423 - Apparatus and method for recording an information on a recordable optical record carrier using oval spot profile: The present invention relates to a method and a corresponding apparatus for recording an information on a recordable optical record carrier (2) by irradiation of a light beam through optical means (3-7) onto said record carrier (2) for forming marks and lands representing said information along an information recording direction...

20060072425 - Array-based optical head: An array-based optical head is configured for read and/or write operations to optical media. In one implementation, a polarizing beam splitter is configured to direct laser light to optical media. A photo-detector array is configured to receive light modulated by reflection off a checkered pattern on the optical media and...

20060072424 - Patterned spinning disk based optical phase shifter for spectral domain optical coherence tomography: A low cost patterned spinning disk is disclosed for achieving relatively rapid discrete optical phase shifts for an optical beam. The invention is particularly useful in a spectral domain optical coherence tomography system. The disk contains stepped patterns of different heights and/or refractive index distribution such that as it spins,...

20060072422 - Scanning device including an optical filter: An optical scanning device (1; 100) for scanning an information layer (4) of an optical record carrier (2; 102). The device comprises a radiation source (11; 111) for generating a radiation beam (12, 15, 20; 112, 115, 120), an objective system (18; 118) for converging the radiation beam on the...

20060072426 - Sector based timing recovery for a readback signal: A method and a signal processing unit are proposed, for converting an asynchronous discrete-time signal to a synchronous discrete-time signal by performing sector-based timing recovery. The timing recovery includes aligning an initial portion of the asynchronous discrete-time signal to a first portion of a predetermined signal, and a later portion...

20060072427 - Information storage: To greatly increase the storage density of a storage apparatus, an electron beam E emitted from a cold cathode 101 is accelerated by an accelerating electrode 102, caused to converge by a convergence electrode 103, deflected by a deflection electrode 104 and applied to a minute region of a storage...

20060072428 - Fabrication of digital media using ion beam technology: A method for writing data to an optical medium includes directing intermittent pulses of a beam of ions from an ion source onto an optical medium in a controlled pattern for creating surface features on the optical medium, the surface features representing data. A system for performing this method, according...

20060072431 - Intermediate product for optical recording medium and method for manufacturing optical recording medium: An intermediate for an optical recording medium, according to the present invention, is an intermediate produced beforehand for manufacturing an optical recording medium that has a central mounting hole formed in a central portion thereof and one or more kinds of functional layers formed on a surface thereof, for enabling...

20060072429 - Multicolored thermally recording medium: In the multi colored thermally sensitive recording medium, at least one kind of dye precursor is contained in complex fine particles which contain dye precursor and polymer of multi valence isocyanate compound, further contain 4,4′-diisocyanate-3,3′-dimethyl-1,1′biphenyl and/or polymethylene.polyphenyl.polyisocyanate....

20060072430 - Optical data storage medium and use of such medium: A multi-stack optical data storage medium (20) for rewritable recording using a focused radiation beam (30), entering through an entrance face (25) is described. The medium (20) has a substrate (1a, 1b) and an L0 recording stack (2) and an L1 recording stack (3) both comprising a phase-change type L0...

20060072432 - Optical disc recycling method and recycling system: A raw material supplier manufactures raw material for a plastic substrate by means of a raw material manufacturing device. A disk presser manufactures a substrate from the raw material by means of an optical disk manufacturing device, manufactures an optical disk by laminating the substrate sequentially with the recording layer...

20060072434 - Optical information recording medium, reproducing method thereof, and manufacturing method thereof: Super-resolution technology was proposed for generating marks smaller than the optical resolution in order to record data at high density on the optical disk. However, the achievable high density of the super-resolution technology was limited due to fluctuation of the region exhibiting the super-resolution effect due to the grain size...

20060072433 - Turn table device manufacturing method and turn table device: A step portion (12) is formed on a table body (11) to be attached to a motor (20), and an ultraviolet curable adhesive as a resin (13) is applied to a mount-place forming position of the table body (11) including the step portion (12), and cured. The table body (11)...

20060072443 - Data carrier for storing files, apparatus for managing such a carrier and method for processing data, in such a carrier: The apparatus is suitable for managing a data carrier (1) obtaining a fast data transfer from it to the apparatus when the carrier is driven with a constant angular velocity (CAV). It comprises a motor (3) for driving the carrier, an optical head having light source (16) for reading and/or...

20060072446 - High-density optical recording medium and method of recording data on the same: A high-density optical recording medium and method of recording data on the optical recording medium. The optical recording medium includes a plurality of data recording/reproducing surfaces having reflectances for light passing through a pit area, a land/groove area, and a land/groove area on which data are recorded, of a data...

20060072437 - Information recording process for producing the same and optical information recording and reproducing device: An information recording medium of the present invention includes a recording portion capable of storing information three-dimensionally. The recording portion (3) includes at least one recording layer (1a to 1f), and the recording layer (1a to 1f) contains titanium oxide. It is preferable that titanium oxide is at least one...

20060072444 - Marked article and method of making the same: A storage medium can comprise a substrate, a reflective layer disposed on a side of the substrate, and data. The substrate can comprise a thermoplastic and a light-mark formed from at least a portion of light-marking additive mixed with the thermoplastic, wherein an optical property of the light-marking additive at...

20060072439 - Optical information recording medium and method for manufacturing same: An optical information recording medium includes the first to the n-th information layers (where n is an integer not less than 3) arranged in this order from a laser beam incident side. Each information layer includes a recording layer containing Te, O and M, where M denotes at least one...

20060072438 - Optical information recording substrate and recording/reproducing device using it:

20060072436 - Optical recording medium: An optical recording medium according to the present invention includes an L1 recording layer 30 and an L0 recording layer 20 formed on a support substrate 11, and a transparent intermediate layer 12 formed between the L1 recording layer 30 and the L0 recording layer 20. The L0 recording layer...

20060072435 - Optical recording medium and its manufacturing method: A multi-layered film made of sequentially stacked first dielectric layer, recording layer, record-assist layer, second dielectric layer and first reflection layer on a disc substrate having a concavo-convex structure at least on one surface thereof. An ultraviolet-setting resin layer is formed to cover the multi-layered film. The record-assist layer is...

20060072445 - Optical recording medium having abrasion resistance and antistatic properties: An optical disc comprising a transparent substrate, an information recording layer, said optical disc comprising a read/write surface and an opposing surface, at least one surface of said disc comprising a surface coating, wherein said at least one surface of said disc shows a change of reflectivity after 100 taber...

20060072442 - Phase change materials for storage media: Phase-change compounds, and optical storage recording media, for recording and/or storage of data, comprising such compounds, according to the formula XSbySz; wherein X is selected from the group consisting of K, Rb, Ti, Na, Li, Cs and mixtures thereof; and wherein y is about 1 or about 5, and z...

20060072440 - Record carrier: The invention relates to a record carrier (1) comprising an area for storing data, the record carrier adhering to a pre-defined, standardized condition with respect to a physical parameter. The record carrier comprises parameter information on the physical parameter, which parameter information is of a higher precision than the precision...

20060072441 - Record carrier comprising multiple sets of recording parameters: The invention relates to a record carrier which comprises multiple sets of recording parameters for a recording process. The recording parameters define a so-called write strategy for converting an information signal to be recorded into a pulsed radiation beam for recording the information on the record carrier. By providing multiple...

20060072447 - Information recording medium having a wobbling groove structure: An information recording medium having at least a read only area and a recording and reproducing area is composed of at least: a substrate; a recording layer formed on the substrate so as to record and reproduce information; and a light transmission layer having transparency formed on the recording layer....

20060072448 - Information recording medium having a wobbling groove structure: An information recording medium having at least a read only area and a recording and reproducing area is composed of at least: a substrate; a recording layer formed on the substrate so as to record and reproduce information; and a light transmission layer having transparency formed on the recording layer....