Dynamic information storage or retrieval inventions 07/06

20060164926 - Receiver monitoring and alert system: A method and system are provided in which a user is enabled to create a preferred playlist of the user's favorite songs. An input device allows the user to add and/or delete songs from this preferred playlist. In an exemplary embodiment, songs playing on several radio stations are monitored and...

20060164929 - Dual compact disc player: This invention concerns a portable compact disc player that is cable of playing two CDs one at a time upon request. This invention uses an extra laser eye and laser discs holder to enable the portable disc player to read two different CDs. The disc player opens in a normal...

20060164928 - Mobile media identification system for use with a storage device: Disclosed is a method and apparatus system to identify mobile media magazine for use with a storage device. The system comprises a random access memory magazine capable of comprising a plurality of random access memory devices. The magazine further comprising a magazine identifier label disposed to be externally viewable. The...

20060164927 - Recording medium, data recording device and method, data reproducing device and method, program, and recording medium: The present invention enables audio data to be recorded or played back more easily. LPCM samples from an LPCM sample 301-1 of a first channel to an LPCM sample 304-1 of a fourth channel in audio data are combined in order to generate a GOLS 310-1. An even number of...

20060164930 - Method and apparatus for reproducing data from recording medium using local storage: An apparatus for reproducing data recorded on a recording medium includes a pickup unit, a plurality of local storages, and a controller. The pickup unit reads a disc package from the recording medium. The local storages store multiple binding units associated with the disc package, and the controller generates a...

20060164932 - Media control unit for providing interactive experience with audiovisual content of dvd: A method performed by a media control unit provides an interactive experience with audiovisual content of a DVD played by a multimedia player and includes: receiving a user-generated signal representative of a response of the user to a first video sequence of the audiovisual content of the DVD presented to...

20060164931 - Method and apparatus for automatically interfacing between devices used to reproduce content and recording medium storing computer program for executing the method: A method and an apparatus are provided for automatically interfacing between devices that reproduce content in a network with reference to reproduction property information of a content file, and a computer-readable recording medium storing a computer program for executing the method. One of a plurality of content reproduces is selected...

20060164933 - Disc changer: A disc changer has a protector which protects the operation of the disc changer even when an oscillation is applied to the disc changer, without adding a new oscillation sensor to the disc changer. In the disc changer that takes out a desired disc from a stocker with a swing...

20060164934 - Automatic focus for image sensors: The embodiments of the invention relate to automatic focusing methods and apparatus suitable for use in digital imaging devices. The proposed methods and apparatus evaluate the focus condition of the optical system by evaluating the digitized image, without requiring additional hardware besides the digital image-capture signal flow path. A method...

20060164935 - Member switching apparatus, lens switching apparatus, laser repair apparatus, and laser inspection apparatus: A linear motor table is provided in a lens switching apparatus of a laser repair apparatus. The linear motor table is fixed with respect to a table and a laser oscillator and moves a lens holder in a horizontal direction. Six objective lenses with magnifications different from each other are...

20060164936 - Optical disk reproducing device, object lens, protection member and optical disk reproducing method: An optical disc reproducing apparatus capable of preventing a contact between an objective lens and an optical disc disposed very close to each other to eliminate the damage-caused functional failures of the objective lens and the optical disc, and permitting proper focus control and tracking control to ensure high-reliability data...

20060164937 - Portable information processing apparatus, information processing method for portable information processing apparatus, and program: An information processing apparatus including a display input device in which an image display unit and an operation input unit are integrally formed includes reproduction means for reproducing data recorded on a recording medium, storage means for storing defining data reproduced from the recording medium and defining an operation of...

20060164938 - Reproducing apparatus capable of reproducing picture data: A reproducing apparatus includes an execution unit that executes a separation process by a program on a motion video stream including first video data, and graphics data that includes second video data, and executes a decoding process by a program on the second video data that is obtained through the...

20060164939 - Apparatus for sensing defect of optical disk: The present invention provides a deficiency detecting apparatus that can accurately detect dusts and deficiencies on an optical disk even when an emitting power of a laser light source changes. The deficiency detecting apparatus is provided with a deficiency detecting section for detecting deficiencies or the like on an optical...

20060164940 - Optical information recording/reproducing device and recording light intensity learning method: There is provided an optical information recording/reproducing apparatus that learns a recording power so as to determine an optimum recording condition under which the recording power is prevented from being excessively high and waveform distortion is reduced. A recording power variation circuit (12) sets variably a recording power Po in...

20060164942 - Method and apparatus for determining type information of recording medium, and method and apparatus for recording/reproducing data in/from the recording medium: A method for determining type information of a recording medium, and a method and apparatus for recording/reproducing data in/from the recording medium using the method are disclosed. The method for determining the type information of the recording medium includes the steps of: a) determining type information of a recording medium...

20060164943 - Method for identifying double-layer disc and optical disc apparatus: The object of the present invention is to enable the identification of double-layer disc type (recordable double-layer disc, rewritable double-layer disc and ROM-type double-layer disc) to be easily and accurately performed. The method for identifying double-layer disc contains obtaining a reflectance of each light by irradiating light of different wavelengths...

20060164941 - Recording medium reproduction device and computer program for reproducing recording medium: The present invention relates to a recording medium player which reads title set data and control information from a DVD and plays images and sounds. A multi-disc changer as a recording medium player includes a title selector (30) and a player section (200). If the control information read from a...

20060164944 - Recording medium with copy protection information formed in intermittent or alternate wobbled pits and apparatus and methods for forming, recording, and reproducing the recording medium: A recording medium, such as a high-density and/or read-only recording medium, such as BD-ROM, which contains copy protection information encoded in intermittent or alternate wobbled pits, and to methods and apparatuses for forming, recording, and reproducing data on the recording medium....

20060164945 - Optical disc signal recording method and optical disc apparatus: An optical disc signal recording for forming a record mark according to a recording signal on an optical disc by applying a laser beam of a predetermined power level to the optical disc is provided. A recording pulse having a first period having a first level of Po and a...

20060164946 - Recording and reproducing method for dye based recordable optical recording medium and apparatus using the same: The object of the present invention is to provide an optical recording and reproducing method for a dye-based recordable optical recording medium includes recording shortest marks on an organic dye recording layer formed on a substrate having a guide groove with a wobble formed thereon using one pulse which is...

20060164948 - Hologram recording apparatus, hologram reproducing apparatus, hologram recording method, and hologram reproducing method: A hologram recording apparatus includes a rotating mechanism for rotating a hologram recording medium, a first light source for emitting first laser light, a modulator for modulating the intensity of the emitted first laser light to record a hologram on the hologram recording medium, a second light source for emitting...

20060164947 - Method and apparatus for recording and/or reproducing a hologram: A holographic recording/reproducing apparatus is adapted to split laser light into signal light and reference light and to record a hologram by illuminating a holographic recording medium with the signal light and the reference light and/or to reproduce the hologram by illuminating the holographic recording medium with the reference light....

20060164949 - Optical pickup control apparatus, optical pickup control method, and optical disc apparatus: The present invention has been made to adequately and quickly adjust the spherical aberration and focus bias in an optical pickup. In the present invention, evaluation values are measured on a plurality of respective measurement points each determined by a combination of a spherical aberration correction value and focus bias...

20060164951 - Optical head and optical disk unit: An optical head comprising a light source, an objective lens, a light splitting means, a light receiving element, a tracking error signal detection means, and a spherical aberration detection means, wherein the light splitting means has six regions that are divided by a first splitting line that is substantially parallel...

20060164952 - Optical pickup apparatus: An optical pickup apparatus which carries out recording/reproduction or deletion of information on an optical disc, including a semiconductor laser device in which at least two light sources are integrated, and a hologram optical element which has a plurality of outgoing light areas that divide light reflected from the optical...

20060164954 - Optical pickup apparatus: In an optical pickup apparatus for reproducing and/or recording information from/onto four kinds of optical information recording mediums, an optical path of a light flux entering to a first objective optical element when using the first objective optical element and an optical path of a light flux entering to a...

20060164953 - Optical pickup which is compatible with multiple types of media: An optical pickup which is compatible with different types of media is disclosed. A plurality of light sources emit light with different wavelengths. Light path changers change the path of light emitted by the plurality of light sources so that the light is incident upon an objective lens. The objective...

20060164950 - Optical scanning device: An optical scanning device for scanning a first (13) and a second (27) type of record carrier in a first and a second mode, respectively, comprises a radiation-generating device (1, 20) for generating a radiation beam (2, 21) having at least a first wavelength in the first mode and at...

20060164955 - Recording and playback apparatus and optical head: The light intensity of a light beam emitted from a light source is appropriately controlled when the light beam is transmitted through a variable optical coupling efficiency device in an optical head. During a read mode, the light beam from the light source is incident on an optical disk at...

20060164956 - Optical head and disk reproducing apparatus: An optical head includes a semiconductor laser element, an objective lens, and a liquid crystal element, a voltage applying section and a control section. The liquid crystal element is provided on an optical path of diffuse light between the semiconductor laser element and the objective lens is divided into a...

20060164957 - Optical unit, an optical pick-up apparatus and a method of adjusting an optical axis: An optical unit is provided for an optical pick-up apparatus which includes a light source to emit light entering into a recording medium. A light source holder has an optical passage hole formed corresponding to a direction of a reference optical axis of the light toward the recording medium. A...

20060164958 - High capacity digital data storage by transmission of radiant energy through arrays of small diameter holes: A method is provided for making the storage media having data stored thereon. In one aspect of the making of storage media, a first layer is formed, where the first layer is substantially transparent to a predetermined first radiant energy used for reading the data. Next, a second layer is...

20060164959 - Optical detector, optical head device, optical information processing device, and optical information processing method: A photodetector, includes: a semiconductor chip that converts received light to an electric signal; and a resin body that encapsulates the semiconductor chip. The photodetector further includes a protective unit, and at least a light transmission area, through which the light passes, in a surface of the resin body on...

20060164960 - Optical recording head including an optical resonant cavity: An optical recording head including a media heating device to write and read data to a heat sensitive optical media disk. The media heating device includes an optical energy resonant cavity that produces a high intensity near-field optical spot of subwavelength dimension. Optical energy is coupled into the resonant cavity...

20060164962 - High capacity digital data storage by transmission of radiant energy through arrays of small diameter holes: A storage media for storage of data thereon is provided. The storage media including: a first layer, the first layer being substantially transparent to a predetermined radiant energy used for reading the data; and a second layer formed on the first layer and being substantially opaque to the radiant energy,...

20060164961 - Method of manufacturing an optical storage medium and optical storage medium: A method of manufacturing an optical storage medium is provided, which comprises at least a transparent spacer layer (22) or transparent cover layer. This layer is provided by spincoating a liquid layer (22) between an inner radius ri and outer radius ro and substantial solidification by means of exposure to...

20060164964 - Information recording medium, information recording and/or reproducing apparatus and method, computer program for controlling record or reproduction, and data structure including control signal: On an information recording medium, an entire stream including a plurality of portion streams, each of which is provided with content information including still picture information, is multiplexed-and-recorded by a unit of packet. The information recording medium is provided with a file for storing object data, which is provided with...

20060164963 - Recording medium, method and apparatus for determining type information of the recording medium, and method and apparatus for recording/reproducing data in/from the recording medium: A recording medium, a method for determining type information of a recording medium, and a method and apparatus for recording/reproducing data in/from the recording medium using the method are disclosed. The recording medium sequentially includes a lead-in area, a data area, and a lead-out area on the basis of an...

20060164966 - Optical disk medium: An optical disk medium includes a track groove thereon. On the optical disk medium, information is recorded along the track groove on a block unit basis. The block unit has a predetermined length. The block unit having the predetermined length includes a number of sub-blocks that are arranged along the...

20060164965 - Optical information recording medium: It is an object to provide optical information recording media enabling the recording at high speeds and high densities, such as onto DVD-R discs or similar, of optical information, optimizing the shape of meandering land pre-pits 21, increasing clearness of diffraction of laser light 9 by the land pre-pits 21...

20060164967 - Objective lens and optical pickup device: An objective lens is used for an optical pickup device that conducts reproducing of information by using a light flux with wavelength λ1 (370 nm≦λ1≦440) for the first optical disc having protective base board thickness t1 (0 mm≦t1≦0.2 mm) and the second optical disc having protective base board thickness t2...

20060158968 - Method of and system for mobile surveillance and event recording: A data-encoding system includes a source of unencoded data, and a first encoder interoperably coupled to the source, wherein the first encoder is adapted to receive the unencoded data, encode the unencoded data, and output encoded data at a first data rate. The data encoding system further includes a second...

20060158969 - Reproduction apparatus, reproduction method, reproduction program, record medium, and data structure: A reproduction apparatus has a player section, a content reproduction section, an interface section. The player section has a read section reading data from the record medium on which the content data containing at least one of a video data stream and an audio data stream and a reproduction control...

20060158970 - Method for controlling a dynamic system as well as a device suitable for carrying out such a method: A system includes two guides that extend parallel to each other and a beam that extends transverse to the guides. The beam is movable over the guides, with a slide being movable over the beam. In controlling the system, a first difference is determined between desired and actual positions of...

20060158971 - Objective lens for optical disk recording/reproducing device comprising variable lens formed by the interface of two immiscible fluids: There is disclosed an objective lens (16),for use with optically readable disks of differing cover layer thicknesses, wich objective lens (16) comprises a variable lens (1) formed by the interface between two immiscible fluids (A, B), which variable lens (1) can be in one of at least two discrete states...

20060158972 - Optical element and optical scanning device using the same: Provided is an optical element capable of reducing Fresnel (surface) reflection on a lens surface which causes flare or ghost, an optical system including the optical element, and an optical scanning device including the optical element. The optical element includes: a plurality of two-dimensionally arranged subwave structures having an anti-reflection...

20060158973 - Actuator position control method and corresponding apparatus: The invention relates to an actuator position control method for use in a recorded information reproducing apparatus. Front, main and rear beams (or at least one main beam) are directed onto a recorded track formed on a rotating optical recording medium and respective first, second and third signals are produced...

20060158974 - Optical disk device and optical disk: The invention provides an optical disk apparatus and an optical disk that are applicable to a multilayer optical disk, and enable to realize tilt detection with a high precision. The optical disk has a transparent planar disk base member, a recording layer formed on the disk base member, and a...

20060158975 - Optical pickup tilt correction control unit and tilt correcting method: An optical disc recording/reproducing apparatus according to the present invention can adjust a tilt of an object lens within a short time, by laying an average offset component on a correction amount applied to a tilt correction coil, adding a step disturbance of optional polarity to a center value of...

20060158976 - Magneto-optical disc device and method for writing data on magneto-optical disc: A magneto-optical disc device (1) writes data, for each sector, onto a magneto-optical disc (2) using an optical head portion (21) which outputs light onto the magneto-optical disc, at which time the data on the magneto-optical disc (2) is erased and after data is erased, data is written onto the...

20060158977 - Optical element, optical pickup unit, and optical disk drive unit: An optical pickup unit includes first and second light sources of first and second wavelengths, respectively, a dichroic element, a phase plate, and an objective lens. One of the first and second light sources is selected so that information recording or reproduction is performed by converging a light beam emitted...

20060158978 - Optical disk apparatus: There is provided an optical disk apparatus having a function of speedily calculating the amount of optical axis misalignment of an optical pickup to allow a wobble signal to be obtained early when initially spinning up an optical disk. Servo control means 27 turns the focusing servo on while turns...

20060158980 - Method and apparatus for writing an optical disc: The present invention provides a method and apparatus for writing an optical disc. By means of storing the control information of the program obtained in one or more optical disc writing processes onto the optical disc or the assigned area of the writing means, converting the control information into control...

20060158979 - Recording/reproducing device and recording medium: A recording/reproducing device includes a drive device 303 for recording and reproducing information on and from a disc medium 100 and a recording/reproducing control circuit 305 for controlling operations of the drive device 303. The recording/reproducing control circuit 305 controls the drive device 303 such that medium identification information that...

20060158985 - Dvd and a file copy method thereof: A Digital Versatile Disc (DVD) and a file copy method thereof are disclosed. Copy control information data disposed only with addresses of encoded data is read out and is inserted into contents. Whether to copy is selected when the contents are recorded, such that whether to copy or not is...

20060158984 - Laser diode drive circuit and amplifying circuit for optical disc recording and/or reproducing apparatus: A laser diode drive circuit for an optical disc recording and/or reproducing apparatus includes a plurality of laser diodes to output laser beams having different wavelengths, a switch circuit for selectively connecting a required laser diode from a plurality of laser diodes, a laser diode drive power supply circuit for...

20060158981 - Method for two dimensional control of mark size on an optical disc, write strategy for such a method, recording medium and recorder using two dimensional control of mark size: An optical recording method is disclosed for writing a two-dimensional data pattern in a phase-change disc, i.e. a optical disc with a phase change material. The effect of thermal cross-erase is used by using the sides of the diffraction limited laser spot to heat up the adjacent track such that...

20060158983 - Optical reproducing method and optical reproducing system: A super resolution optical reproducing system, which can recognize a recording mark less than a resolution limit, removes the effect of a high-frequency noise component of a high power signal obtained by irradiating a laser beam with high read power. The same recording region of an optical recording medium is...

20060158982 - Recording methods and devices for recording information on dual layer recordable disks: The invention relates to recording methods for recording information on a dual layer recordable disk, and to corresponding recording devices. In one such method and recording device the OPC-area is variably located on a layer of the disk. In a preferred embodiment the OPC-area is located relative close to the...

20060158986 - Method of inspecting a phase-change type optical recording medium: The invention aims at enabling degradation of quality of a regenerative signal due to repetitive overwrite in a high temperature environment to be evaluated based on an inspection under a room temperature environment for a repetitively rewritable phase-change type optical recording medium. Overwrite is repetitively performed to the same track...

20060158987 - Optical data media detection techniques: An optical disc machine initially identifies a disc positioned in it by moving the focal point of its optical pick-up unit between an outer surface and an interior reflective data carrying surface. The time required for the focal point to travel between the two reflective layers, proportional to the distance...

20060158988 - Hologram recording/reproducing device, and recording method, reproduction method and hologram recording medium thereof: A hologram recording/reproducing device for recording and reproducing information to/from a hologram recording medium adapted to multiplexing and recording of a plurality of page data. The medium includes an address region and a recording region, the medium including a plurality of physical addresses each composed of a first physical address...

20060158989 - Diffraction element and optical pick-up apparatus having the same: A diffraction element for an optical pick-up apparatus is capable of precisely controlling the tracking of the pick-up apparatus. The diffraction element includes a diffraction grating divided into a first, a second, and a third region. The second region is located between the first and third regions. Any one of...

20060158993 - Optical disk device and information recording/reproducing method: An optical disk device is provided with an optical pickup that includes a convergent optical system having an objective lens for converging a light beam emitted from the laser light source to form a microspot on an optical disk and an aberration correcting optical system for controlling a spherical aberration...

20060158994 - Optical disk device and information recording/reproducing method: An optical disk device is provided with an optical pickup that includes a convergent optical system having an objective lens for converging a light beam emitted from the laser light source to form a microspot on an optical disk and an aberration correcting optical system for controlling a spherical aberration...

20060158992 - Optical recording device: An optical recording device for use with an optical recording disk includes a laser light source, a photo-detector which is provided with a plurality of light receiving faces, and an optical system which forms a return path for guiding a return light beam reflected by an optical recording disk to...

20060158991 - Reflective optical element and optical pickup including the same: A rising mirror is constructed by forming on a glass substrate a first region and a second region having different reflection properties. The first region is formed of, for example, an antireflection film, and the second regions is formed by superimposing a phase adjustment layer for adjusting the phase of...

20060158996 - Diffraction element and optical pick-up apparatus having the same: A diffraction element for use in an optical pick-up is capable of calculating a TE signal more stably irrespective of any assembly error in optical elements. The diffraction element of the invention is divided into three areas, a first, a second, and a third area. Each area comprises a diffraction...

20060158997 - Diffraction element and optical pick-up apparatus having the same: A diffraction element for an optical pick-up apparatus is capable of being used with discs that have different track pitches. The diffraction element includes a first region and a second region, each being constituted by a diffracting grating with a predetermined period. The first region and the second region have...

20060158995 - Optical pickup device and focusing control method of the same: An optical pickup device and a focusing control method thereof are provided which can determine a DC offset caused by cross-talk of a focus error signal, eliminate the DC offset based on the determination, correct errors in a focus error signal of a main beam, which is caused by interference...

20060158990 - Converging optical apparatus, optical pickup and optical disc apparatus: A converging optical apparatus reduces the diffraction loss and realizes compatibility with three different wavelengths by means of a hologram element. The present invention provides an optical pickup for recording signals on and/or reproducing signals from a plurality of optical discs having respective protection substrates of different thicknesses for protecting...

20060158998 - Movable terminal in a two terminal memory array: A movable terminal in a two terminal memory array. A storage medium is disposed between two terminals, one of the terminals being movable relative to the second terminal. Either one of the terminals or both terminals might actually move, resulting in one terminal being moved relative to the other terminal....

20060158999 - Record carrier with two ecc block sizes, and recording method and recorder for recording such record carrier: On a small record carrier the inner section of the record carrier represents a significant amount of storage capacity. A regular ECC block however occupies more than one revolution of the record carrier leading to multiplication of burst errors in a single ECC block. By using two ECC block sizes...

20060159000 - Test optical disk and manufacturing method thereof: A test optical disk and a manufacturing method thereof are provided, comprising at least one bit value at a default position in an original image data, forming an error bit by reverting the captured bit value, storing error data consisted of error bits back to the default position in the...

20060159001 - Mastering apparatus, mastering method and optical recording medium: A mastering apparatus for forming a pit string based on recording data on an optical-recording-medium master by a heat recording method using laser-light irradiation, the mastering apparatus. The mastering apparatus includes: laser-light-source means for emitting laser light at the timing based on first recording data in order to form a...

20060153013 - Method and apparatus for reading and recording information on a rewritable record carrier: The present invention relates to a method and a corresponding device for recording data in the form of marks and for erasing recorded marks in an information layer of a record carrier by irradiating the information layer by means of a pulsed radiation beam, a recorded mark being erased by...

20060153015 - Cd-rom based optical biosensors: A CD-ROM based optical biosensor, system and method of sensing biological samples in the air includes treating the surface of a CD-ROM medium with a receptor capable of binding with a targeted biological sample. While continuous reading of the CD-ROM is conducted by a CD-ROM drive, an air-flow is directed...

20060153014 - Managing a recording device: A method for managing the recording capacity of a recording device, independently of user involvement, comprising receiving (104, 154) data representing a plurality of recording modes of the recording device; identifying (114) one or more recording modes which may be used to record an item using the prevailing unreserved recording...

20060153017 - Method and apparatus for protecting shared data and method and apparatus for reproducing data from recording medium using local storage: A method and apparatus for protecting shared data and method and apparatus for reproducing data from a recording medium using a local storage are disclosed. The present invention includes downloading the shared data associated with a recording medium to a local storage and permitting an application having valid access information...

20060153016 - 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. A method for reproducing data from a recording medium using a local storage includes the steps of: a) downloading an additional data file and a binding unit manifest file, and storing the additional...

20060153018 - Method for pre-programmed recording: The present invention relates to a method for performing pre-programmed recording on a recording medium having insufficient remaining storage space for performing a pre-programmed recording with a specified recording quality, and to an apparatus for reading from and writing to recording media using such method. The method has the steps...

20060153019 - Module for reading a data carrier: A module for reading a data carrier, with a processor arrangement and a memory arrangement,—wherein the module is designed for incorporation in a data processing device, and—wherein the processor arrangement is designed for storing an identification information associated with the data carrier and at least a start information in the...

20060153020 - Compact disk musical jukebox with digital music library access: A song data downloading system and method of dispensing music are provided for use with a music data server and a musical jukebox. A song selection device and a control are provided. The control is operable to receive a user selection of particular song data with the song selection device....

20060153021 - Method and apparatus for reproducing data from recording medium using local storage: An apparatus for reproducing data recorded on a recording medium includes a pickup unit, a local storage, and a controller. The pickup unit reads a disc package from the recording medium, and the local storage stores a local storage package associated with the disc package. The controller generates control signals...

20060153022 - 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. A method for reproducing data from a recording medium using a local storage includes the steps of: a) downloading data associated with the recording medium, and storing the downloaded data in the local...

20060153023 - Optical module: An optical module according to the invention can achieve an optical system using a transmission-type diffraction grating for bending the optical path of incident light with a specific wavelength by about 90°. A substrate of the transmission-type diffraction grating is mounted at an angle in a range of ±5° with...

20060153024 - Layer-jumping and focusing control method: In a layer jump and focusing control method, a first focusing error signal is generated according to the differential astigmatism method in a closed-loop focusing control manner when focusing on the first recording layer. A second focusing error signal is generated according to the astigmatic method in an open-loop focusing...

20060153026 - Device and method for recording information: A device for recording records information in blocks having logical addresses in a storage space on a record carrier. The device has an interfacing unit (31) for communicating with a host system by exchanging commands and information, a record carrier status unit (32) for detecting a record carrier update status...

20060153025 - Recording medium recording control method and recording control device: The present invention is directed to a recording control method for performing write operation of data with respect to a recording medium in which small block having a predetermined number of data is caused to be unit of read/write operation of data, erasing operation of data can be performed at...

20060153028 - Optical disk recorder with reproduction quality control: A method is designed for writing data originally recorded in a source disk medium with an original reproduction signal quality, into an object disk medium by means of an optical recording apparatus having a machine parameter settable to control a reproduction signal quality of data. The method is carried out...

20060153029 - Optical disk recorder with reproduction quality control: A method is designed for writing data originally recorded in a source disk medium with an original reproduction signal quality, into an object disk medium by means of an optical recording apparatus having a machine parameter settable to control a reproduction signal quality of data. The method is carried out...

20060153030 - Optical disk recorder with reproduction quality control: A method is designed for writing data originally recorded in a source disk medium with an original reproduction signal quality, into an object disk medium by means of an optical recording apparatus having a machine parameter settable to control a reproduction signal quality of data. The method is carried out...

20060153031 - Content recording/reproduction device, content recording/reproduction method, information processing device, and content recording/reproduction system: There is provided a content recording/reproducing apparatus that can restore a deleted content. An MD recording player (1) as an example of the content recording/reproducing apparatus records, each time a content recorded in a mini disk (90) is deleted, information on the deleted content to a deletion history. Since a...

20060153032 - System and method for optical media marking: An information handling system optical medium disc is labeled by removing portions of disc's polycarbonate material from the non-storage side of the disc to form an image. Formed images define a label in various forms including letters, Braille, dot-matrix holes or bas-relief. Another material fills in the removed polycarbonate to...

20060153033 - Data storage device and control method with buffer control thereof: Embodiments of the invention improve the cache hit ratio of read data. A hard disk drive (HDD) according to an embodiment of the present invention determines whether the read buffer should be used in its entirety or the partial continuous space should be used to read read-data from the magnetic...

20060153034 - Access method, information recording and reproducing apparatus, and recording medium: An access method for use when switching from recording into an optical disk to reproduction from the optical disk or vice versa is disclosed that comprises a step of calculating a rotating speed n2 of a motor for rotating the optical disk given that liner velocities in a first access...

20060153027 - Monitor and adjust method for optical disc recording: A method is disclosed for adjusting write power when recording an optical disc. First, pre-setting a range of a write quality parameter and a write power. Next, moving a spindle motor and an optical pickup head to a target track. After the spindle motor is stable at the intended rotation...

20060153035 - Optical-disc drive apparatus and method of deciding optimum recording powers of laser beam: In cases where forthcoming recording of information on a multi-layer optical disc is first time one, test signals are recorded on trial write areas in first and second recording layers before being reproduced. First-time optimum recording powers of the laser beam for the respective first and second recording layers are...

20060153036 - Recording medium controller and recording medium controlling method: A battery-operated recording medium controller monitors the ID of a replayed melody and when a replay ID comparing section (A126) makes a decision that a melody of the same ID as the previous one is replayed, a section (A127) for judging necessity of auxiliary information designates an auxiliary information access...

20060153037 - Information recording medium, recording apparatus and recording method for information recording medium, reproducing apparatus and reproducing method for information recording medium, computer program for controlling recording or reproduction, and data st: An information recording medium (100) provided with: a data area (108) to record therein record data; a spare area (109, 110) to record therein evacuation data which is record data to be recorded at a position of a defect in the data area or which is record data recorded at...

20060153038 - Information recording device and information recording method: In a recording strategy suitable for high-speed recording, a laser driving signal includes a top pulse having a pulse width corresponding to a recording mark length and multi-pulses having a period 3-times larger than a base clock period of a recording mark. The top pulse is has the first identical-shape...

20060153039 - Optical recording apparatus: An optical recording apparatus (101; 201) is described, for writing information to an optical storage medium such as for instance an optical disc, the apparatus comprising a laser diode (30), an encoder device (10; 210), and a laser driver circuit (120; 220) which comprises a flipflop device (25), a write...

20060153040 - Techniques for improved playlist processing on media devices: An improved portable media device and methods for operating a media device are disclosed. According to one aspect, the portable media device has the capability to store media device status information in persistent memory before powering down. Thereafter, when the portable media device is again powered up, the stored media...

20060153041 - Frequency and phase control apparatus and maximum likelihood decoder: A frequency and phase control apparatus includes an analog/digital conversion section for converting a reproduction signal into a multiple bit digital signal based on a clock signal; a maximum likelihood decoding section for converting the multiple bit digital signal into a binary signal; a pattern detection section for detecting a...

20060153042 - Method for determining optimum recording condition and optical recording/reproducing apparatus using the same: A method for determining an optimum recording condition of an optical recording/reproducing apparatus is used for recording data into an optical disc. Data is first written into a plurality of test regions of the optical disc under a plurality of recording conditions, respectively. The data written into the plurality of...

20060153043 - Recording medium, recording apparatus, reproducing apparatus, recording method, and reproducing method: A recording medium as a physically rewritable disk is appropriately used as a write-once type. In order to use the rewritable media in write-once applications, the recording medium in the data structure thereof includes, in a second data unit (an ECC block of 64 Kbytes), flag information WF1-WF4 indicating whether...

20060153044 - Hologram reproduction apparatus and hologram reproduction method: A hologram reproduction apparatus and method is disclosed wherein positioning between reproduction reference light and a hologram recording medium can be performed accurately. Reference light is irradiated upon the medium recorded by angle multiple recording, and reproduction light generated from the medium is received by an image pickup apparatus to...

20060153045 - Optical head capable of providing a subwavelength beams: The present invention provides an optical head with a single or multiple sub-wavelength light beams, which can be used in arenas such as photolithography, optical storage, optical microscopy, to name a few. The present invention includes a transparent substrate, a thin film, and a surface structure with sub-wavelength surface profile....

20060153046 - Method and apparatus for recording marks on a write-once record carrier: The present invention relates to a method and a corresponding apparatus for recording marks representing data in an information layer of a write-once record carrier by irradiating the information layer by means of a radiation beam, wherein a mark is written by a write pulse (10) and said information layer...

20060153047 - Optical recording method: Provided is an optical recording method for recoding information on a phase-change optical recording medium at a low linear velocity by use of a divided pulse method. When forming a plurality of recording marks by use of a constant divided pulse number m, a light irradiation time period of recording...

20060153048 - Protection window signal generator for header detection and method thereof: Methods and apparatuses for generating a protection window signal for use in header detection of an optical storage medium are disclosed. One of the methods involves: extracting a maximum level of an RF-sum signal derived from the optical storage medium to generate a first level value; extracting at least one...

20060153049 - Data storage apparatus using current switching in metal oxide layer: Provided is a data storage apparatus using current switching in a metal oxide layer. The data storage apparatus includes a substrate; a lower electrode layer disposed on the substrate; a metal oxide layer disposed on the lower electrode layer; a probe tip disposed on the metal oxide layer opposite the...

20060153052 - Disc signature for disc authentication: The invention relates to a memory authentication method based on a pattern of storage areas of said memory that have altered latencies that are respectively altered such that the respective alteration of the latency of a storage area lies within a measurement noise of latency measurements in respect to the...

20060153056 - Limited life optical media: Limited life optical media and methods of making same are described. The limited life optical media includes at least one reactive substance that prohibits continued access to at least part of the information contained on the media after a prescribed period of time. In addition to at least one reactive...

20060153050 - Multi stack optical data storage medium and use of such medium: A multi stack optical data storage medium (15) for recording and reading by means of a focused radiation beam (10) is described. The beam enters the medium (15) through a first entrance face (11), and has at least a first substrate (1) with on at least one side thereof: a...

20060153054 - Optical disk and optical disk manufacturing method and device: An optical disk manufacturing method including a process of toroidally supplying a first resin on one side of a first disk substrate having an aperture at the center, in a region adjacent to the perimeter of the aperture; a process of rotating the first disk substrate provided with the first...

20060153051 - Optical recording medium, optical recording/reproducing apparatus, optical, recording apparatus and optical reproducing apparatus, data recording/reproducing method for optical recording medium, and data recording method and data reproducing method: An optical recording medium 10 having a substrate 11, an optically transparent layer 12, and a first dielectric layer 31, a noble metal oxide layer 23, a second dielectric layer 32, a light absorbing layer 22, a third dielectric layer 33 and a reflecting layer 21 which are disposed between...

20060153053 - Phase-change optical recording medium and recording and reproducing method thereof: The phase-change optical recording medium having a substrate, and at least a first protective layer, a recording layer composed of a phase-change material, a second protective layer and a reflective layer disposed on the substrate in this sequence has a maximum recording linear velocity VH of 20 m/s to 60...

20060153055 - 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 at least two record layers, each of which includes an inner area, a data area, and an outer area, includes; at least one Optimum Power Control (OPC) area contained...

20060153057 - Protective film for optical disks and optical disk using the same: There are disclosed a protective film for optical disks which comprises a light transmittable substrate film and a pressure sensitive adhesive layer formed on one side thereof, wherein the difference in refractive index between the light transmittable substrate film and the pressure sensitive adhesive layer is at most 0.08 and...

20060153058 - Optical-pickup slider, manufacturing method thereof, probe and manufacturing method thereof, and probe array and manufacturing method thereof: An optical-pickup slider is characterized in that a light-transmitting-property substrate is bonded to a surface of a layer having a tapered through hole, on which surface a larger opening of the tapered through hole exists. Thereby, it is possible to prevent the layer having an aperture from being destroyed. A...

20060146655 - Server for routing connection to client device: The present invention relates to a device and a corresponding method for making a master record carrier (60) for use in making a stamper (64) for making replicated read-only optical record carriers (90). Rather than using irradiation with photons or electrons, it is proposed to make use of thermal-mechanical deformation...

20060146657 - Headrest mounted disc player with display: A video display and media player assembly for coupling to a vehicle seat back or headrest. The video display and the media player can be one integral component, or they can be two distinct components and can be coupled together. A shroud holds the video display and the media player,...

20060146658 - Memory storage handling system: A memory storage system for cartridge encased mediums. The system includes a housing having at least one hopper for stacking a plurality of recordable mediums in a stack, each medium contained in a cartridge, a dispenser attached to the hopper for dispensing a medium from the hopper and a duplication...

20060146656 - Multi-component in-car video disc system: A bifurcated DVD player for custom aftermarket installation in automobiles. It includes a DVD reader which is thin and which can be mounted at any location in the vehicle convenient for the user, and a DVD electronics module which contains the bulkier power supplies, DVD decoder electronics, and the like,...

20060146660 - Optical disc, reproducing device, program, reproducing method, recording method: An optical disc has recorded therein an AV stream divided into segments. An interleave unit is recorded in front of an ith segment to be played back in an ith place among the segments. The interleave unit includes a library whose live range has a start point that falls during...

20060146659 - Beat density detecting apparatus and information playback apparatus: A beat density detecting apparatus and an information playback apparatus are provided to detect distinctive characteristics that music or the like has and to provide the same as a novel information volume. Playback data read out from an information recording medium, such as an optical disc, and sub-code data containing...

20060146661 - Objective lens actuator: An objective lens actuator is provided. An objective lens holder is movably located on a ferromagnetic yoke with corresponding to inner yokes thereof to hold an objective lens. Tracking coils and focusing coils are respectively located on different two opposite sides of the lens holder and the latter are surrounded...

20060146662 - Immersion optical system and optical apparatus having the same: An immersion optical system that condenses light from a light source toward a first surface includes a lens having a concave lens surface closest to the first surface, a liquid being filled in a space between the concave lens surface and the first surface, wherein a conditional equation d>L/[2×tan {arcsin(NA/ni)}]...

20060146663 - Calibration of a focus offset in an optical drive: Calibration of a focus offset in an optical drive. A calibration pattern, comprising a plurality of marked areas, is marked upon a medium. A user input is received, identifying a perceived darkest marked area of the calibration pattern. The focus offset is determined corresponding to the perceived darkest marked area....

20060146664 - Focus calibration in an optical drive: Focus calibration in an optical drive. Optics are moved with respect to a disc in the optical drive. A first interface of the disc is optically detected at a first distance, and a first drive signal value is detected at the first interface. A drive signal change is determined using...

20060146665 - Apparatus and method for generating modulation signal using tangential push-pull signal: An apparatus and a method for generating a modulation signal, for example, an eight-to-fourteen modulation (EFM) signal using a tangential push-pull (TPP) signal. The apparatus may include a TPP peak detector detecting peaks of the TPP signal; and a signal generator generating the modulation signal by determining the detected peaks...

20060146667 - Optical disc recording apparatus and method, and disc recording apparatus with camera: The present invention has been made to increase the number of times of imaging operation in the case where a DVD+RW is used as a recording medium. The present invention provides an optical disc recording apparatus that records data onto an optical disc that adopts a format in which title...

20060146666 - Write once information recording medium, information recording method, information reproduction method, information recording device, and information reproduction device: An additionally recordable information recording medium has a complicated management structure for managing an unrecorded area. Therefore, there are problems that it takes a long time for a disk to startup and it is difficult to build a recording/reproducing system. The additionally recordable information recording medium according to the present...

20060146671 - Finite field based short error propagation modulation codes: The invention relates to a data modulation method applicable to make data streams tend to have desired properties, useful for clock recovery, making signals more distinguishable, or enforcing run-length conditions. A stream of input data and a corresponding stream of output data are grouped into elements of a finite field....

20060146670 - Information recording device: An information recording device comprising at least a recording pulse generating means and a recording pulse selecting means capable of generating various multi-pulses each of which is a combination of a leading heating pulse and a succeeding heating pulse, and rectangular pulses each of which is a single pulse, as...

20060146669 - Power control method for eliminating output power offset of a pick-up head in an optical disc drive: A power controlling method for eliminating output power offset of a pick-up head in an optical disc drive. The power control method includes measuring a first predetermined power related to a first predetermined control signal in a predetermined procedure, inputting a test data containing a plurality of first bits and...

20060146668 - System and method for multi-laser write operations to an optical medium: An information handling system optical drive improves information write speeds by using multiple lasers in conjunction with each other to perform a write to an optical medium data or label surface. One or more lasers illuminate the optical medium at a preheat spot with a preheat power and one laser...

20060146672 - Optical disk having divided write strategy tuning areas, optical recording/reproducing apparatus and method using the same: An optical recording/reproducing apparatus includes an optical pickup unit configured to scan an optical disk with an optical signal to record and reproduce data. A power tuning unit is configured to scan a first track with the optical signal to record a first test data to the first track, while...

20060146673 - Recording power determination method and device: A recording power determination method for determining a recording power of an optical beam for recording data on an information storage medium includes the steps of recording test data on the information storage medium at a plurality of test recording powers; reading the test data recorded at each test recording...

20060146676 - Defect area management system and method for optical storage medium: A defect area management system for an optical storage medium including a management part producing a defect area management signal for real-time processing and transmitting the signal along with data to be written; and a write part executing a defect area management of the optical storage media, writing the data,...

20060146675 - Methods, systems and computer program products for recording data on and/or reproducing data from an optical disk: Systems for recording data on and/or reproducing data from an optical disk are provided. The system includes a microcontroller unit (MCU) and a defect detector, electrically coupled to the MCU. The defect detector is configured to determine whether a data block is a defect block using a radio frequency (RF)...

20060146674 - Optical disc and physical address format: An optical disc medium compares a track groove, along which main information is recorded. The track groove is divided into a plurality of blocks. The plurality of blocks each include a plurality of frames. The plurality of frames each include one shape of wobbles indicating sub information, among a plurality...

20060146677 - Optical disc initialization apparatus and method: An optical disc initialization apparatus includes a table on which an optical disc is placed. The table is guided on a base for linear motion and is moved back and forth by an electric motor. A light source and an optical system are disposed above the table. The light source...

20060146678 - Method and apparatus for recording optical information, and optical disk: A method of recording data optically to an optical disk having a plurality of sectors, in which each sector has a region to be recorded with data, the data is recorded in units of blocks, and the block includes a predetermined number of sectors and is a data unit including...

20060146679 - High-frequency superimposing method and optical disk apparatus using it: An optical disk drive includes drive current generation unit for supplying a mark forming semiconductor laser drive current and a space forming semiconductor laser drive current; first high-frequency superimposition unit for superimposing a high-frequency component on the space forming semiconductor laser drive current; and high-frequency superimposition control unit for controlling...

20060146680 - Method and apparatus for extracting information from burst cutting area of recording medium: A method and apparatus extract information from a burst cutting area (BCA) of a recording medium. The BCA extraction includes (a) receiving a signal from the recording medium, the signal including BCA data read from the BCA, the BCA data being represented by channel symbols, (b) analog-to-digital (A/D) sampling the...

20060146682 - Achromatic polarization devices for optical disc pickup heads: Chemically-bonded laminated polymer achromatic polarization devices, such as circular polarizers, are disclosed for use in optical disc (e.g., CD/DVD) pickup heads. Chemically-bonded laminated polymer achromatic polarization devices have the benefit of providing stable retardation and optic axis over an extended wavelength range, thereby ensuring orthogonal polarization in double-pass for two...

20060146681 - Sensor system and apparatus for identifying recording medium: A sensor system includes an LED configured to emit light to a recording medium and a light-receiving sensor configured to receive a transmitted light that has passed through the recording medium after having been emitted from the LED to the recording medium. An emitting optical axis of the LED is...

20060146683 - Method for forming optical aperture, near- field optical head, method for fabricating near-field optical head, and information recording/reading apparatus: An insulated gate transistor has a semiconductor thin film having a first main surface and a second main surface, a first gate insulating film formed on the first main surface of the semiconductor thin film, a first conductive gate formed on the first gate insulating film, first and second confronting...

20060146684 - Disc surface protection means: A disc surface protection means comprising of a rim using any of the methods outlined above will significantly reduce the risk of accidentally scratching the disc surface through casual contact with other surfaces. New disc production can include this feature when molded during production with no substantial increase in production...

20060146686 - Method for securing content on a recording medium and a recording medium storing content secured by the method: The present invention relates to a method for securing content on a recording medium. Input content data are encrypted and recorded on a recording medium. A resultant value obtained by applying a hash function to the content data recorded after encryption is recorded on the recording medium for validation of...

20060146685 - Optical information recording medium and manufacture method thereof: An optical information recording medium is provided which has favorable signal quality even in high density recording using a translucent information layer. The optical information recording medium includes one or more information layers including a recording layer for recording/reproducing an information signal by irradiation with a laser light, and a...

20060146687 - Phase-change optical recording media: A Phase-change optical recording media includes a recording film that causes reversible phase-change between a crystalline phase and an amorphous phase on irradiation with light, and an interface film formed in contact with at least one surface of the recording film and containing Hf (hafnium), O (oxygen) and N (nitrogen)....