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Dynamic information storage or retrieval August inventions list 08/06

20060193211 - Information processing apparatus and its control method, program, and storage medium: When a disk unloading operation is made by mistake or when recording is suddenly required after the unloading operation in a conventional disk recording/playback apparatus which has no cancel function of the disk unloading operation, an important recording chance is often missed. This invention allows the user to cancel the...

20060193212 - Optical disc driving apparatus: Herein disclosed is an optical disk driving apparatus for selectively driving a plurality of optical disks, comprising: a housing; and an optical disk driving unit accommodated in the housing, the optical disk driving unit including: a turntable for selectively retaining the optical disks; a supporting member for rotatably supporting the...

20060193213 - Optical disc driving apparatus: Herein disclosed is an optical disk driving apparatus for selectively driving a plurality of optical disks, comprising: a housing; and an optical disk driving unit accommodated in the housing, the optical disk driving unit including: a turntable for selectively retaining the optical disks; a supporting member for rotatably supporting the...

20060193214 - Optical head, optical information storage apparatus, and their fabrication method: In an optical head, if a lens is reduced in size so that it can be integrated with a light source and a photodetector, other optical components as well as the lens must be reduced in size, which would result in greater difficulties in handling for assembly and adjustment purposes....

20060193216 - Object lens drive device, and disc recording and/or reproducing apparatus: The present invention is directed to an object lens drive device adapted for moving an object lens in a focus direction of optical axis direction and in a tracking direction perpendicular to the optical axis direction, and includes a fixed position provided in such a manner that a supporting shaft...

20060193215 - Optical head and optical disk device: An optical head includes a first laser diode configured to generate a laser beam with a wave length of λ1, a second laser diode configured to generate a laser beam with a shorter wave length of λ2 than the wave length λ1, a collimator lens arranged so that the laser...

20060193217 - Optical pickup and optical information reproducing device: An optical pickup and an optical information recording and reproducing device in which spherical aberration correction control after a disc is loaded can be efficiently made in a short time. Before an information recording medium is loaded into a drive, an optical axis direction position of a concave lens is...

20060193218 - Method of selecting laser beam in an optical disk drive: A method of selecting laser beam in an optical disk drive is disclosed. A first laser beam (such as CD laser beam) is used to read an optical disk and generate a first testing result. Whether the first testing result is normal is then determined. The first laser beam is...

20060193219 - Diffraction grating, optical pickup device, and optical disk apparatus: An optical pickup device is provided which reduces variations in amplitude of a tracking error signal in a seek operation due to an installation error of the optical pickup device onto an optical disk apparatus, thereby generating the tracking error signal with high accuracy without any influence from stray lights,...

20060193220 - Optical head unit and optical disc apparatus: To provide an optical pickup and an optical disc apparatus which obtains stable reproduce signal when reproducing information from a recording medium of a standard handled by selectively using laser beams with different wavelengths, use a diffraction grating having a diffraction pattern defined according to a laser beam with a...

20060193221 - Optical head unit and optical disc apparatus: To provide an optical head unit and an optical disc apparatus which is configured to detect exactly the largeness of a focusing error when recording or reproducing information on/from an HD DVD specification optical disc, place a diffraction element having a diffraction pattern capable of providing an optical spot which...

20060193222 - Information recording/reproduction apparatus: Provided is an information recording/reproduction apparatus capable of achieving a reduction in power consumption without impairing quality of recorded information. The information recording/reproduction apparatus according to the present invention includes a recording/reproduction circuit for recording information stored in a memory onto a disk or reproducing the information from the disk...

20060193223 - Method for compensating writing power in optical disc device: Embodiments of methods and apparatus for compensating writing power in an optical disc device can compensate selected (e.g., OPC) writing power. When a writing operation is temporarily suspended (e.g., buffer under-run) during the writing operation, writing power is compensated in real time on the basis of the β value detected...

20060193224 - Optical disk differentiating method and electronic device thereof: An optical disk differentiating method applied to an optical disk drive, in which a first level value, a second level value and an optical disk differentiating value generating program are stored and an optical disk is put. The method comprises the steps of: generating a laser beam impinging on the...

20060193225 - Optical disc recording/reproducing apparatus: An optical disc recording/reproducing apparatus according to the present invention has a CPU which holds the largeness of a driving current supplied from a LD driving circuit to a laser diode in a sample hold circuit of an APC circuit, interrupts a driving signal supplied from the LD driving circuit...

20060193226 - Optical disk recording and playback device: An optical disk recording and playback device comprises a first laser driving circuit that supplies a driving signal to a first laser diode, a second laser driving circuit that supplies a driving signal to a second laser diode, a signal recording pulse generating circuit that generates a signal recording pulse...

20060193227 - Method of recording erase pattern information on an optical recording medium, erasing information on the optical recording medium based on the erase pattern information, and optical recording medium therefor: An optical recording medium allowing data to be recorded on, erased from, and reproduced from, and storing information about power levels of an erase pulse. The recorded erase pattern information may include information about power levels of first and last pulses of an erase pattern for erasing data. The first...

20060193229 - System and method for generating optical return-to-zero signals with alternating bi-phase shift: A system and method for generating an optical return-to-zero signal. The system includes a bit separator configured to receive an electrical non-return-to-zero signal and generate a first signal and a second signal, and a driver configured to receive the first signal and the second signal and generate a driving signal....

20060193228 - System and method for generating optical return-to-zero signals with alternating bi-phase shift and frequency chirp: A system and method for generating an optical return-to-zero signal with frequency chirp. The system includes a bit separator configured to receive an electrical non-return-to-zero signal and generate a first input signal and a second input signal. Additionally, the system includes a first driver configured to receive the first input...

20060193230 - System and method for generating optical return-to-zero signals with differential bi-phase shift: A system and method for generating an optical return-to-zero signal. The system includes an electro-optical conversion system. The electro-optical conversion system is configured to receive an input electrical non-return-to-zero signal, process information associated with the input electrical non-return-to-zero signal, and generate a first electrical signal and a second electrical signal...

20060193231 - Optical multilayer disk, multiwavelength light source, and optical system using them: When a wavelength of a first laser beam with which a first recording medium including a first recording layer is recorded and reproduced is indicated as λ1 (nm), a wavelength of a second laser beam with which a second recording medium including a second recording layer is recorded and reproduced...

20060193233 - Light control apparatus and drive method therefor: A light control apparatus including a plurality of two-dimensionally arranged pixels, each of the plurality of pixels comprising a first storage element which stores a luminance value of a present frame for the pixel; a second storage element which stores a preliminary luminance value for the pixel; and a switching...

20060193232 - Miniature guided wavelength multiplexed holographic storage system: A holographic data storage system is disclosed. The data storage system includes a holographic data storage media adapted to receive a data beam and a reference beam and store a data pattern associated with the data beam. The stored data pattern is expressed by a holographic representation corresponding to data...

20060193234 - Optical pick-up apparatus and optical disk apparatus incorporating the optical pick-up apparatus: An exemplary optical pick-up apparatus of the invention includes: a first light source configured to emit a light beam of a first wavelength; a second light source configured to emit a light beam of a second wavelength, the second wavelength longer than the first wavelength; a third light source configured...

20060193235 - Diffraction element and optical head device: In a diffraction element 10 diffracting light, an optically anisotropic medium 11 having birefringency and an optically isotropic medium 12 are periodically and alternately arranged, and in the optically anisotropic medium 11, a principal axis direction of refractive index ellipse in a plane perpendicular to the optical axis on which...

20060193236 - Optical head unit and optical disc apparatus: To provide an optical head unit and an optical disc apparatus which is difficult to be influenced by interlayer crosstalk of recording layers and decreases a load of a signal reproduce system when reproducing and recording information from an optical disc having two or more recording layers, provide a diffraction...

20060193237 - Optical recording apparatus with drawing capability of visible image on disk face: A system and method of drawing a visible image on an optical disk are provided. The optical disk is rotated while a optical pickup irradiates a laser beam onto the optical disk to draw the visible image on the optical disk. The rotating state of the optical disk is detected....

20060193238 - Disk unit: A disk unit is disclosed wherein a disk inserted by a pivoting arm is loaded to the interior of the disk unit or a disk accommodated in the interior of the disk unit is unloaded to the exterior of the disk unit, the disk unit including a plurality of arms...

20060193239 - Disk unit: A disk unit wherein a disk inserted by a plurality of arms, the arms being able to convey the disk while supporting an outer periphery edge of the disk, is loaded to the interior of the disk unit or the disk accommodated in the interior of the disk unit is...

20060193240 - Optical disc driving apparatus: Herein disclosed is an optical disk driving apparatus for selectively driving a plurality of optical disks, comprising: a housing; and an optical disk driving unit accommodated in the housing, the optical disk driving unit including: a turntable for selectively retaining the optical disks; a supporting member for rotatably supporting the...

20060193241 - Optical disc driving apparatus: Herein disclosed is an optical disk driving apparatus for selectively driving a plurality of optical disks, comprising: a housing; and an optical disk driving unit accommodated in the housing, the optical disk driving unit including: a turntable for selectively retaining the optical disks; a supporting member for rotatably supporting the...

20060193242 - Optical disc driving apparatus: Herein disclosed is an optical disk driving apparatus for selectively driving a plurality of optical disks, comprising: a housing; and an optical disk driving unit accommodated in the housing, the optical disk driving unit including: a turntable for selectively retaining the optical disks; a supporting member for rotatably supporting the...

20060193243 - Optical disk, optical disk apparatus, and optical disk processing method: According to one embodiment an optical disk processing method according to this invention detects the reflected light from an optical disk having a first and a second recording layer in each of which first and second tracks are formed alternately from the inner edge toward the outer edge, determines a...

20060187769 - Code-adaptive magneto-optical write strategy: The present invention relates to a method and apparatus for writing data to a storage layer of a magneto-optical recording medium using a laser beam of a predetermined power level (Pw) and a magnetic a field modulated to at least two predetermined field levels (+Hw; −Hw) in accordance with said...

20060187770 - Method and system for playing audio at a decelerated rate using multiresolution analysis technique keeping pitch constant: A signal processing unit for playing back an audio signal at a decelerated rate keeping pitch constant. The audio signal is at least one of a speech signal, a pure music or an audio signal which comprises of both speech and music signal. The signal processing unit comprises a plurality...

20060187771 - Cd rom storage device: CD storage device is disclosed which includes a housing (12) in which a carousel (40) is supported for rotation in the housing. The carousel has a number compartments (85) each for storing a CD. The device includes a controlling circuit board (46) which can couple with a computer so that...

20060187772 - Optical pickup for optical disk drive and driving method thereof: An optical pickup and driving method for an optical disk drive holding an optical disk includes a base, an object lens, and a slider supporting the object lens, where the object lens focuses a light on a recording surface of the optical disk. An optical head section includes the slider,...

20060187773 - Information recording or reproducing device and recording or reproducing method: An information recording and/or reproducing apparatus using a removable disk-shaped optical recording medium (51) is provided which includes a storage unit (31) to store an axial-runout amount in a predetermined radial position on the disk-shaped optical recording medium (51) being rotated, a near-field light projector (7) provided to condense a...

20060187774 - Recording apparatus, reproduction apparatus, and control method: A recording apparatus includes: recording means having a drive part including rotational drive means for rotating an optical recording medium in order to record data onto the optical recording medium; data coding means for coding data; and recording control means for storing the coded data into storage means and controlling...

20060187775 - Device and method of reducing data-to-pushpull cross-talk: The invention relates to a device and method of reducing the cross-talk between a data signal (HF) and an input push-pull signal (PP), for generating an output push-pull signal (IPP), said method comprising: -a convolution step for convoluting said data signal (HF) with a filter (F), for generating a first...

20060187776 - Information recording and reproducing apparatus and method for controlling positions of optical pickup device and objective lens used for the apparatus: According to one embodiment, an optical pickup according to the present invention has a servo circuit in which, when Tp is a track pitch of an optical disk, NA is the numerical aperture of an objective lens, and Fp is a detection range of a focus error, a focus detection...

20060187777 - Optical disc apparatus: An optical disc apparatus varies a tilt angle of an optical pickup from inward to outward of an optical disc, and stores a then obtained TE (Tracking Error) signal in a memory of a control circuit. The control circuit extracts amplitude values of the TE signal at tilt angles at...

20060187778 - Optical pickup unit and information recording/reproduction apparatus: According to one embodiment, an optical pickup unit which can record, reproduction and erase information in/from an information recording medium has tracks with different pitches, the dividing means has at least a part of a dividing boundary line placing between an end of a 1st order diffraction light with the...

20060187779 - Device and method for recording data blocks: The present invention relates to a method for recording at least one data block on a disc-shaped record carrier (11). Said method comprises the steps of moving a write head towards a predetermined track comprising a first location (M) to which the at least one data block is planned to...

20060187780 - Information recording apparatus capable of managing recording count: In an information recording medium, there is a tendency that unevenness in the number of times of access is liable to be generated between an area frequently accessed and an area not frequently accessed, so that a fault such as a write error, a read error, or the like is...

20060187782 - Information recording medium, recording/reproducing apparatus, and recording/reproducing method: An information recording medium is provided with a linking loss area having a unit smaller than a unit of block and having a predetermined size is disposed in a recording block used for the replacement by logical overwrite (LOW) or the replacement by defect so as to update data recorded...

20060187783 - Method for controlling data read speed of optical disc: Embodiments of method and apparatus for controlling a data read speed of an optical disc can reproduce data with greater accuracy. An embodiment of a method for controlling data read speed can determine whether the optical disc is finalized or in an open state, and a playback speed can be...

20060187784 - Write clock generation circuit and optical disk apparatus: A write clock generation circuit is provided that can detect wobble signal in high accuracy and can appropriately generate write clock with only small jitter even when the operation is switched from reproduction to recording. The wobble signal is obtained by changing stepwise the gain of a variable gain amp...

20060187785 - Method and apparatus for demodulating wap of optical disc: A method for demodulating a WAP of an optical disc that ensures the read rate of address information while improving the reading accuracy. The method includes detecting in full bits a head invert phase wobble of each wobble data unit in an address field, and correcting generation timing of a...

20060187781 - Optical disc apparatus: An optical disc apparatus for recording information on a rewritable optical disc having a power calibration area (PCA) moves an optical pickup for optimum recording power calibration (OPC) from an innermost end to outward of the PCA, and stores an address where RF signal is first detected. If the stored...

20060187786 - Optical information recording and reproducing apparatus: It can be determined whether a disc is a single-layer disc or a multilayer disc without causing reproducing deterioration while only a main body of the disc is used without being contained in a cartridge. More specifically, when disc type determination is performed, an intensity of laser light (reproducing light...

20060187787 - Method of recording information on a multi layer record carrier, and device for recording on a dual layer record carrier: Recordable DVD+R and DVD+R/W optical discs with two (or more) information layers are developed to double the data storage capacity and video recording time. A method and device are proposed to make dual layer DVD disc recordings compliant with the dual layer DVD-ROM standard Recording the data in a DVD-ROM...

20060187788 - Optical information recording device, optical information recording method, and signal processing circuit: The present invention enables a recording condition closer to an optimum to be obtained even for media unknown to a drive. The present invention provides a method that is especially effective for the case where it is applied to a code identification scheme, such as PRML in which code identification...

20060187789 - Phase-change optical recording medium, optical recording method, and optical recording apparatus: The object is to provide an optical recording method improving the recording characteristics and uniformity in a CAV recording on a phase-change optical recording medium, particularly a high-speed rewritable DVD medium, and a phase-change optical recording medium and an optical recording apparatus used by the method. Regarding a recording method...

20060187790 - Data recording device: The invention provides a data recording device comprising: an interval counter; an α counter; and a segment counter, wherein the interval counter and the α counter operate with a clock having a constant frequency which is independent of clock information, the interval counter is reset when division information is detected...

20060187791 - Disk reproducing apparatus and method: To provide a disk reproducing apparatus capable of reading data at a lower error rate without requiring a complicated circuit configuration. An embodiment of the present invention provides a disk reproducing apparatus for reproducing a data signal based on a signal read from a disk and having a clock cycle...

20060187792 - Multilayer optical disc having a layer indication: A multilayer record carrier is for recording information by writing marks representing addressable blocks in a track. Each recording layer has a pre-formed recording control pattern for indicating the track, the pattern comprising physical addresses (59) that indicate the physical position of the physical address with respect to a starting...

20060187793 - Optical disc recording apparatus, optical disc recording method, optical disc, optical disc reproducing apparatus, and optical disc reproducing method: There is provided an optical disc recording apparatus for generating a modulation signal having a signal level switched at a period which is an integral multiple of a basic period based on main information and controlling an optical beam applied to an optical disc based on said modulation signal to...

20060187795 - Branch photocycle technique for holographic recording in bacteriorhodopsin: A method of storing information in a protein-based medium having long-lived nonvolatile or near-nonvolatile states is disclosed. The method includes preexposing a bacteriorhodopsin medium to a preexposure pump beam for a predetermined length of time, providing a reference beam and a data beam from a coherent light source, the data...

20060187794 - Uses of wave guided miniature holographic system: A holographic memory device for use in a personal electronic device is disclosed. The device contains a holographic data storage media adapted to store a data pattern associated with a data beam. The device has capability for reading and writing to the holographic data storage media. The device contains a...

20060187796 - Method of manufacturing an optical device and an optical device thereof: To provide a method of manufacturing an optical device, and an optical device thereof, with which a current sensitivity, at the time when a movable side member is driven by energizing a drive coil, may be adjusted and/or optimized easily....

20060187797 - Objective lens unit and optical pickup device: An objective lens unit for an optical pickup device which is composed of a first optical element including a first element body positioned on an optical information recording medium side and a first annular portion formed on the outer periphery of the first element body, and further composed of a...

20060187798 - Lens assembly and electronic apparatus using the same: A lens assembly for transmitting an optical signal has a light-emitting element that diffuses the optical signal and a collimator lens that converts the optical signal diffused out of the light-emitting element from its diffused light into parallel light. The device also has a condenser lens that gathers the parallel...

20060187799 - Optical disk reproducing device: A data demodulation process rate is varied according to a reproduction state, thereby reducing power consumption while maintaining a reading performance in a favorable state. A channel rate process data demodulation device performs a data demodulation process by employing channel bit frequency. Further, a half rate process data demodulation device...

20060187800 - Optical disk reproducing device selectively using a channel bit frequency or a frequency that is half of the channel bit frequency: A data demodulation process rate is varied according to a reproduction state, thereby reducing power consumption while maintaining a reading performance in a favorable state. A channel rate process data demodulation device performs a data demodulation process by employing channel bit frequency. Further, a half rate process data demodulation device...

20060187801 - Optical pickup: There is provided an optical pickup capable of improving the vibration resistance without causing a reduction in assembling workability and thereby mass productivity or the servo performance thereof. An optical pickup is mounted astride a main shaft 101 and a secondary shaft 102. The travel of the optical pickup is...

20060187802 - Array of cnt heads: A method and apparatus for adaptive read and read-after-write for carbon nanotube recorders is described. In one embodiment, the invention is an apparatus. The apparatus includes an array of carbon nanotube heads. The apparatus also includes a substrate upon which the array of carbon nanotube heads are mounted. In an...

20060187803 - Data storage device: A storage device including a storage medium for storing data in the form of topographic or magnetic marks. At least one probe is mounted on a common frame, the common frame and the storage medium designed for moving relative to each other for creating or detecting said marks. Each probe...

20060187804 - Stamper and method for production thereof: The present invention relates to a stamper used for an injection molding of a resin material and a manufacturing method thereof. It is provided with such stamper as being excellent in durability in use without causing corrosion at a portion contacting with the resin material, wherein an anti-corrosion film made...

20060187805 - Method for production of an optical disc with a detachable module: Method for production of an optical disc with a detachable module, where a standard mould is provided with an insert insertable into said standard mould. The insert restricting the internal dimensions of the mould cavity for shaping the optical disc into dimensions different from a standard optical disc. The insert...

20060187809 - Information recording medium, recording apparatus, reproduction apparatus, recording method, and reproduction method: An information recording medium is provided, which comprises a plurality of recording layers and a first disc information area for storing parameters relating to access to the plurality of recording layers and formats relating to the plurality of recording layer. The first disc information area is provided in a first...

20060187808 - Multi-layer information carrier with switching circuit: The invention relates to an information carrier comprising at least one information layer which optical properties depend on a potential difference applied between two electrodes (531,532). The information carrier is intended to be scanned by an optical scanning device comprising means for generating a signal comprising information about a selected...

20060187807 - Optical disc having focus offset area: A record carrier is for recording information by writing marks in a track on a recording layer. The shortest mark used for recording the information has a length of a predefined minimum number d of channel bit lengths. The record carrier (11) has a pregroove that is modulated by a...

20060187806 - Optical information carrier comprising thermochromic or photochromic material: The present invention relates to an optical information carrier for recording information by means of an optical beam, said optical information carrier comprising a substrate layer (S), a recording layer (P) including a thermochromic material having temperature-dependent optical characteristics or a photochromic material having light dependent optical characteristics for selectively...

20060187813 - 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...

20060187810 - Record carrier and apparatus enabling seamless playback: The present invention relates to a record carrier (D) storing audio data as audio tracks (t) in audio files and associated management information (m). Further, the present invention relates to a corresponding playback and recording apparatus. To avoid annoying clicks at the end or beginning of live recorded audio tracks...

20060187812 - Storage medium, reproducing method, and recording method: According to one embodiment, a storage medium in which address information is recorded by means of wobbling and which includes a modulation area in which address information is recorded, and a non-modulation area in which the address information is not recorded, wherein a total length of the non-modulation area is...

20060187811 - Write once type recording medium, recorder and recording method for write once recording medium, reproducer and reproducing method for write once recording medium, computer program for record or reproduction control, and data structure: A write-once-type recording medium (100) on which record data can be recorded only once, provided with: a data area (108) to record therein the record data; and a shared area (104, 105) to temporarily record therein evacuation data which is record data to be recorded or already recorded at a...

20060187814 - Optical recording medium with different wobble characteristics between the user data area and the lead-out area: An optical recording medium has a user data area and a lead-out area, wherein the user data area and the lead-out area each has grooves and lands formed thereon. Wobbles are formed on at least one lateral surface of grooves of the user data area and the lead-out area, and...

20060181963 - Wireless adaptor for content transfer: Described herein are embodiments that wirelessly provide content from a content source to a content player. In one embodiment, there is provided a wireless adaptor that includes a wireless interface operable to receive the content from the content source and a wired interface for a wired connection with the content...

20060181964 - Method and device for determining write parameters for recording information on a record carrier: The present invention relates to a method of determining write parameters for recording information on a record carrier, said information being in the form of a multidimensional channel data stream to be recorded as a channel band of at least two symbol rows one-dimensionally evolving along a first direction and...

20060181965 - System, method and article of manufacture for updating content stored on a portable storage medium: A system, method, and article of manufacture is provided for updating content stored on a portable storage medium. Some embodiments provide systems that include means for receiving a request from a content player from over a communication network requesting updated content for use with a portable storage medium being accessed...

20060181966 - Image retrieving and recording apparatus, an image retrieving and recording method, and a recording medium: An image recording apparatus for recording a plurality of digital assets taken on a recording medium, includes an asset roll directory making unit for making an asset roll directory, which stores the plurality of digital assets, with a directory name for identifying each of the asset roll directory provided by...

20060181967 - Image retrieving apparatus, an image retrieving method, and a recording medium: An image recording apparatus for recording a plurality of original images taken on a recording medium, includes an asset recording unit for recording a new plurality of original images on a region of the recording medium on which information is not recorded yet in case the new plurality of original...

20060181968 - Information playback apparatus: An information playback apparatus is provided to obtain editing effects using an optical disc in the same sense as an analog record disc is manipulated. An audio editing apparatus for playing back an optical disc such as a CD is provided with a rotatable jog dial, detecting device for detecting...

20060181969 - Compact disc player and method for controlling ejection of a compact disc from the compact disc player: A compact disc player and a method and an article of manufacture for controlling ejection of a compact disc are provided. The compact disc player includes a temperature sensor configured to generate a signal indicative of a temperature of the compact disc player utilizing a temperature sensor. The compact disc...

20060181970 - Optical pickup and optical disk device: The present invention is directed to an optical pick-up adapted for moving an object lens (7) supported by a lens holder (2) in a focus direction in parallel to the optical axis direction thereof and in a tracking direction perpendicular to the focus direction, and for performing control of tilt...

20060181971 - Optical disk drive and optical pickup: In an optical disk drive mounting a drive unit 20 having a control use circuit 21, and a pickup 1 having an aberration correction liquid crystal element 13 and a drive use circuit 2 which drives the aberration correction liquid crystal element, wherein the drive use circuit 2 stores astigmatic...

20060181972 - Disc drive apparatus, and method for recognizing cd and dvd: A method is described for measuring the thickness of an optical disc and determining whether the disc is a CD or a DVD. The optical lens is caused to move towards the disc with a substantially constant speed, with the optical beam switched on, and the focal error signal (FES)...

20060181973 - Method and apparatus for differing focus between at least two dimensions: The present invention obtains a more optimal focus in at least two dimensions (such as axial and radial dimensions) by setting or keeping a focus in at least a first dimension (such as both axial and radial dimensions) and detecting and adjusting the focus in a second dimension (such as...

20060181974 - Track jump apparatus and method which perform track jumping considering position of pickup: An apparatus for and a method of performing track jumping of an optical pickup in an optical disc recording/reproducing apparatus. A controller monitors a control signal indicating a position of the optical pickup relative to a center of a track and controls the track jump so that the track jump...

20060181975 - Cross-talk cancellation scheme for rll-based storage systems: The invention relates to Run length Limited-codes storage systems. In modern storage systems, the inter-track spacing is chosen to be relatively small to allow for high storage densities. As a result, when reading a target track, data written on side tracks may appear in the recovered signal. This inter-track interference...

20060181976 - Device and method of compensating tilt: A tilt compensating device and method of performing normal tilt compensation in the event of a servo emergency which may occur during reproduction of data from an optical recording medium are provided. The tilt compensating device includes: an optical pickup; a tilt adjusting unit that adjusts a tilt angle of...

20060181978 - Objective lens and optical system for optical pick-up: A optical system of an optical pick-up is provided. The optical system includes an optical element including at least a phase shift surface among the surfaces thereof, and located closer to a light source than the objective lens. In this configuration, t1≦t2 is satisfied, where t1 represents a thickness of...

20060181977 - Optical pickup which is compatible with multiple types of media: A compatible optical pickup can be used with advanced optical discs (AODs), blu-ray discs (BDs), digital versatile discs (DVDs), and compact discs (CDs). The compatible optical pickup comprises a first light source unit for independently projecting first and second short-wavelength laser beams which have different polarizations, a second light source...

20060181979 - Data processing apparatus: A data processing apparatus is capable of writing program data concerning video and/or audio on a first storage medium and a second storage medium. The data processing apparatus includes: a reception section for receiving a signal concerning the program data; a selection section for selecting, from among a plurality of...

20060181981 - Optical disc recording system: An optical disc recording system includes a host apparatus configured to issue commands; and an optical disc recording apparatus configured to carry out a process corresponding to each of the commands, and to reply a response data to the command to the host apparatus. The host apparatus issues a record...

20060181980 - System and method for enabling efficient small writes to worm storage: According to the present invention, there is provided a method of providing a WORM storage system, the method including a sector-append capability. The method includes receiving data to be written to a WORM storage system. In addition, the method includes identifying a target sector at which the data is to...

20060181982 - Wireless adaptor for content transfer: Described herein are embodiments that wirelessly provide content from a content source to a content player. In one embodiment, there is provided a wireless adaptor that includes a wireless interface operable to receive the content from the content source and a wired interface for a wired connection with the content...

20060181985 - 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...

20060181984 - Method and apparatus for automatically controlling output of laser diode: A pickup of an optical reproducing/recording apparatus having a laser diode generating an optical signal with a current power value, and a laser diode power control device automatically controlling an output of the laser diode. The laser diode power control device has a sampler sampling the current power value of...

20060181983 - Optimum power control for multilayer optical disc: A method of recording information on a multilayer record carrier includes a power control procedure for setting the writing power of a recording beam for a lower recording layer (41). First an upper area in an upper recording layer (40), i.e. the recording layer closest to the laser entry side...

20060181986 - Phase change medium erasable at low speed and recordable at high speed and a driving device for such a medium: A phase change medium, a device and a method for driving a phase change medium are proposed that allow writing at high speed and erasing at low speed. The proposed low-speed erasing option must be seen as a formatting option that can be applied to the whole medium (or to...

20060181987 - Method and apparatus for determining the optimal laser power in recordable optical storage systems: The invention relates to a method of reducing the area on an optical medium used by an optimum write parameter control procedure (OPC) and to an apparatus for carrying out the method. The method makes use of a reference data pattern written using a reference set of write parameters, and...

20060181988 - Method and apparatus for determining the optimal write power and optical recording medium for use by such method and apparatus: A method and an optical recording apparatus for determining the optimal write power level at a high recording speed by an OPC-procedure are described. The method involves performing an OPC-procedure at a lower recording speed and subsequently scaling the obtained results to a higher recording speed....

20060181989 - System and/or method for adjusting a laser beam: Embodiments of methods, apparatuses, devices and systems associated with a system and/or method for adjusting a laser beam....

20060181990 - Threshold current modifying device and method: A threshold current modifying device is provided for an optical pickup head. The optical pickup head initially generates an output power when an operating current is larger than a threshold current of the optical pickup head, and the threshold current is related to a temperature of the optical pickup head...

20060181993 - Apparatus for an method of recording digital information signals: A recording apparatus for recording digital information signals on a removable rewritable disc like recording medium has been proposed. The apparatus comprises writing means (21, 22, 25) for recording the digital information signals and control means (20) for controlling the recording. The apparatus is capable of performing initialization, formatting and...

20060181992 - Device and method for recording information: A device for recording information records blocks having continuous logical addresses on a record carrier at corresponding physical addresses. The logical addresses are translated into the physical addresses in dependence of defect management information, which includes assignment information indicative of assignment of physical addresses in first parts of the track...

20060181994 - Device and method for recording information with reorganization of defect management information: A device for recording information records blocks having continuous logical addresses on a record carrier at corresponding physical addresses. The logical addresses are translated into the physical addresses in dependence of defect management information, which includes remapping information indicative for translating a logical address initially mapped to a physical address...

20060181991 - Disk having unique code for identifying its type for optical disk player and method for discriminating types thereof: A BCA (Burst Cutting Area) code including a unique disk code indicating the type of a disk is written in a BCA code area of the disk. If the disk is mounted into the optical disk player, the optical disk player reads data written in the BCA code area, extracts...

20060181995 - 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 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 type information of a recording medium includes the steps of: a) determining type information of a recording medium classified...

20060181996 - Optical pickup device and optical disk device: An optical disk apparatus according to the present invention includes: a motor for rotating an optical disk; a light source; diffraction means for diffracting a portion of light emitted from the light source to form a main beam of 0th order light and a pair of sub beams composed of...

20060181997 - Semiconductor laser drive circuit: A semiconductor laser drive circuit of the present invention reduces the number of wires, solves the out-of-timing problem of pulses due to differences in wire length, and emit short light pulses at a high transfer rate. A common emitter circuit (18) converts a voltage signal (J1) input at an input...

20060181998 - Method and apparatus for generating a sampling clock for a burst cutting area of an optical disc: A sampling clock generating device for a burst cutting area (BCA) of an optical disc is disclosed including: a detecting device for detecting a specific pulse period of a BCA reproducing signal reproduced from the BCA; and a clock generator electrically connected to the detecting device for generating a sampling...

20060181999 - Holographic disk medium with servo marks: The present invention relates to a holographic disk medium (1) with servo marks (7), and more specifically to a holographic disk medium (1) having a common reflective layer (3) for reflecting a servo beam (9) and object and reference beams (8). According to the invention, a holographic disk medium (1)...

20060182000 - Multi-dimensional data signal and systems for manipulating the same: A device for retrieving multidimensional data from a data storage medium is provided. The device (103) comprises a source of electromagnetic radiation, an optical data processing system (401) adapted to perform logical operations on an input optical data array, and an optical device or devices (125) adapted to direct electromagnetic...

20060182001 - Solid immersion lens holder: A solid immersion lens holder 8A is provided with a base part 50 attached to an objective lens 21, and a lens holding part 60 provided with the base part 50, extending in a direction of optical axis L of the objective lens 21, and arranged to hold a solid...

20060182002 - Asymmetric error correction device and method thereof, and optical disc reproducing device therewith: An asymmetric error correction device includes an analog-to-digital (A/D) converter sampling analog radio frequency (RF) signals reproduced from an optical disc with a sampling period, converting the same into the digital sampling signals, and outputting the same; a signal detector for detecting 4T sampling signals varying in polarity thereof every...

20060182003 - Optical disc driving apparatus and land pre-pit detection method using the same: An optical disc driving apparatus and a land pre-pit detection method are provided for defining determination factors which have an effect on land pre-pit signal detection efficiency. The optical disc driving apparatus comprises an RF processing unit for forming a push-pull signal from an electrical signal acquired through an optical...

20060182004 - Data recording and reproducing device, data recording and reproducing method, and recording medium: A position control area (76A) is partly formed in the recording area (75) of a recording medium (70) and position information is recorded only in the position control area (76A). To record data in the recording medium (70) by a head (60) having a plurality of cantilevers (62A), (62B), ....

20060182005 - Adaptive read and read-after-write for carbon nanotube recorders: A method and apparatus for adaptive read and read-after-write for carbon nanotube recorders is described. In one embodiment, the invention is an apparatus, utilizing carbon nanotubes (CNTs) to read and write data, and deflecting the emissions of such CNTs precisely in the process. In an alternate embodiment, the invention is...

20060182008 - 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...

20060182006 - Optical record carrier with ase active material, reading device and method for reading such optical record carrier: The present invention relates to an optical record carrier (1) for recording information readable by means of an optical beam (L). It is an object of the invention to improve the collection efficiency of the information carrier (1). The object is achieved by the optical record carrier (1) comprising at...

20060182009 - Optical recording medium, data recording method for rewritable-type phase change type optical disc, data erase method for rewritable compact disc, data erase method for rewritable phase change type recording medium, read only data erase method and recordi: For an optical recording medium having a phase change type recording layer on its a substrate and having as read only area and a writable area in a recording area, a data recording method is provided which records data in the writable area. This data recording method comprises a transfer...

20060182007 - Realizing high quality lpcm audio data as two separate elementary streams: A method and apparatus for providing high definition audio formats in a minimum file size while providing compatibility for media players capable of decoding only lower quality audio files. In an embodiment of the invention, a linear pulse code modulation (LPCM) 192/24 data stream is split into two elementary data...

20060182012 - 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...

20060182013 - 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...

20060182011 - Optical disk: The invention provides an optical disk that enables high-speed reproduction of address signals. A wobble address system for optical disk supports various types of synchronization, such as phase synchronization, bit synchronization, word synchronization, etc., to be established easily with high detection reliability with the use of an self-orthogonal code. Thus,...

20060182010 - Optical information recording medium and optical information recording/reproducing system: It is an object to provide an optical information recording medium for land/groove recording, capable of recording at a plurality of linear speeds, wherein deterioration of jitter of the reproduction signal is prevented in recording and reproduction at low linear speeds. To this end, there is provided an optical information...

20060176781 - Digital photo album producing apparatus: The present application relates to a digital photo album producing apparatus which can produce the digital photo album file so that reproducing of the image and the reproducing of the background music ends at the same time....

20060176782 - Method and apparatus for recording/reproducing contents according to preset content ratings: A method and apparatus for recording or reproducing broadcast programs according to maximum content rating set in a recording/reproducing apparatus is disclosed. When recording a broadcast program on a recording medium, the recording/reproducing apparatus optionally records the ID thereof and optionally the maximum content rating set therein on the recording...

20060176783 - Apparatus for detecting saw-tooth wobbles from optical disc and method thereof: An apparatus for detecting wobble information of an optical disc and a method thereof are disclosed. The apparatus comprises an eliminator for outputting a second harmonic signal by eliminating subharmonic from an input wobble signal. A detector is provided for generating a cosine signal and a sine signal having a...

20060176784 - Method for seeking target position on multi-layer disc: A method for seeking a target position on a multi-layer disc is provided. When a target position seek operation requires a layer jump in an optical disc, a required horizontal movement direction for the optical pick-up is determined. If the optical pickup must move horizontally from the outer circumference to...

20060176785 - Recording/reproducing apparatus and recording/reproducing method: A recording/reproducing apparatus comprising an OP head 11, a wobble circuit 12, a system controller 13, and an address-decoding timing generator 14. The wobble circuit 12 extracts a wobble signal from the signal the OP head 11 has read. A PLL circuit for generating a sync signal from the wobble...

20060176786 - Optical disc device: Light (111) emitted from a light source (110) is transmitted through an objective lens (140), reflected from an optical disc (10), transmitted again through the objective lens (140), and thereafter divided into central light (111A) transmitted through a central part of the objective lens (140) and peripheral light (111P) transmitted...

20060176789 - Data line switching circuit for optical pickup device: A data line switching circuit of an optical pickup device is disclosed. In order to drive multiple formats of optical disks, the data line switching circuit applies data signals of a corresponding format to the optical pickup device through a common connector by connecting data lines of the corresponding format...

20060176787 - Method of storing information on an optical disc: The present invention relates in general to a method of storing information on an optical disc. More specifically, the present invention relates to a storage method according to a standard where ECC blocks are written between run-in/run-out fields....

20060176788 - Recorder and method for recording information on a write once recording medium: The continuous update of the Recorded Area Indicator on a DVD+R disc leads to a loss in performance of the recorder. If the update is not continues the Recorded Area Indicator on the disc may not accurately reflect the status. In order to ensure that the Recorded Area Indicator accurately...

20060176792 - Recording/playback device, recording device, and recording/playback method: A recording/playback device includes an information conversion unit converting video or audio information, received from an external source, to video or audio data for recording on a rewritable optical disk, a recording unit recording the video or audio data on said optical disk, and a playback unit playing back the...

20060176790 - Optical disk writing and reading apparatus, and method thereof: An optical disk writing and reading apparatus and a method thereof is provided. The optical disk writing and reading apparatus has an optical pick-up for writing or reading data on an optical disk by using a laser light of a certain wavelength, an optical power calculation part for calculating an...

20060176791 - Optical disk, and related apparatus and method: A laser-beam-scanned optical disc includes an information recording area and an information management area. The information management area stores recording management information having portions corresponding to respective integer multiples of a normal velocity relating to scanning of the disc. Each of the portions of the recording management information contains a...

20060176793 - Test writing method and information recording device: The object of the present invention is to provide a test writing method for seeking the optimum write power correctly and in a short time under a high speed recording condition in a test writing method and an information recording device for recording information by forming different marks from the...

20060176794 - Optical disk, and related apparatus and method: A laser-beam-scanned optical disc includes an information recording area and an information management area. The information management area stores recording management information having portions corresponding to respective integer multiples of a normal velocity relating to scanning of the disc. Each of the portions of the recording management information contains a...

20060176795 - Optical recording system and method: An optical recording system and method. A radiation source provides a radiation beam writing marks separated by spaces on a rewritable optical disc. A pulse generator generates a recording pulse signal based on a preset data signal to drive the radiation source, wherein the recording pulse signal comprises a cooling...

20060176797 - Apparatus for detecting minimum shift keying mark from optical disc and method thereof: Disclosed are an apparatus for detecting wobble information from an optical disc and a method thereof. The apparatus for detecting wobble information has a phase lock loop (PLL) for generating an oscillation signal with a frequency equal to that of a wobble signal having a minimum keying (MSK) mark; a...

20060176796 - Recording clock generation apparatus: The apparatus is provided with a circuit (106) for converting a 32T-cycle binarized wobble signal based on the +RW/+R standard into a 186T-cycle binarized wobble signal based on the DVD-R/RW standard, and the converted 186T-cycle binarized wobble signal is selected with a selector (108) during +RW/+R recording while the 186T-cycle...

20060176798 - Recording apparatus and method, and disk producing method: A sub data recorder to record sub data on an optical-disk recording medium is provided. In one example, a sub data recorder records sub data by forming marks on a reflective layer of an optical-disk recording medium to which main data is recorded as a combination of pits and lands...

20060176799 - Optical information recording method and optical information recording and reproducing apparatus utilizing holography: Onto a recording medium including a hologram recording layer, there is condensed information light generated based on information to be recorded and including zero-order diffracted light and high-order diffracted light of a first or more order to thereby record onto the hologram recording layer the information as interference fringes generated...

20060176800 - Methods and apparatus to compensate for power output variations over time: A method of compensating for output variations in laser power output over time in a system using a laser to record visible marks on an optical disc, the method comprising (a) applying a test light beam from the laser to the optical disc to determine a test value of an...

20060176801 - Method of manufacturing reverse disk: The present invention provides a method of manufacturing a reverse disk, comprising the steps of: forming a conductive layer on a surface of an original disk where concavo-convex patterns are formed; forming a reverse disk made of a metal plate having a prescribed thickness by immersing the original disk in...

20060171262 - Device and method for selecting contents and reproducing/recording selected contents: Provided are a multimedia reproducing/recording device and a method of selecting a multimedia reproducing/recording device and multimedia contents and reproducing/recording the multimedia contents more quickly and easily. Method includes: receiving a numeric code from an external source; and interpreting the numeric code and extracting a device identifier corresponding to a...

20060171263 - Optical pick-up device: An optical pick-up device comprising at least one micromirror array lens. The micromirror array lens enables focusing, tracking, and/or tilt compensation in the optical pick-up device without macroscopic motions. The micromirror array lens provides the device with a simple structure, which can reduce the size, weight, and cost of the...

20060171264 - Servo system: There is provided a servo system for controlling position of a sensor assembly (30) in a data readout and/or writing device (10, 500). The device (10, 500) includes: (a) two actuators (28, 36) for spatially actuating a structural assembly (22) and its associated sensor assembly (30, 530), the system further...

20060171265 - Optical disk apparatus: There is provided an optical disk apparatus adapted to switch the operation of an interruption detecting function and a holding function for avoiding a tracking error at an interruption between on and off efficiently in accordance with the characteristics of the optical disk and the optical pickup, whereby the stability...

20060171267 - Optical disk apparatus: There is provided an optical disk apparatus having a function capable of preventing a focusing error detecting function from operating during a seeking operation with a simple circuit configuration. If crosstalk level determining means 43 determines that the signal level of a crosstalk measured in crosstalk level measuring means 42...

20060171266 - Tilt adjustment apparatus and method: For an unrecorded disk, the tilt amount where the amplitude of a tracking error signal is maximum is detected by changing the tilt amount of the optical pickup in a tracking OFF state at plural preset positions in the radial direction of the optical disk, or for a recorded disk,...

20060171269 - Information recording and reproducing apparatus and method of reproducing bca signal at high accuracy: One embodiment of the invention, a BCA signal is reproduced properly from a BCA while inhibiting influences properly from a groove contained in a reproduction signal, when a signal is reproduced from an additional writing type optical disk provided with the groove by cutting the DC component of an envelop...

20060171268 - System and method for marking an optical disk: A method for selectively marking a surface of an optical disk includes providing an optical disk, wherein the optical disk includes a metal, an electrolyte disposed on the metal, and a photoconductor disposed on the electrolyte, applying a voltage to the optical disk, the voltage being associated with a desired...

20060171271 - Method and apparatus for managing a overwrite recording on optical disc write once: The present invention provides an overwrite method of a write-once optical disc and apparatus thereof, by which a logical overwrite is enabled by varying an overwrite system according to a recording mode to enhance efficiency of disc use. The present invention includes the step of performing a replacement recording on...

20060171272 - Optical disc apparatus and defocus control method: A defocus adjustment method includes a step of storing in a memory a range of defocus values for smooth operation of an optical disc apparatus, a step of measuring the defocus value of the optical disc loaded in the optical disc apparatus, a step of comparing the defocus value and...

20060171270 - Optical disc device: An optical disc device includes a recording power acquiring unit that finds an optimum recording power when data is written in a data area by writing data for calibration in a power calibration area, and a data writing unit that writes data in a data area to be written by...

20060171273 - Method for compensating frequency response of an actuator in an optical disc drive: A method for compensating frequency response of an actuator in an optical disc drive is provided. The present invention utilizes the temperature sensor within the optical pick-up head to sense work temperature. When the work temperature rises to a presetting threshold value, the servo system will induce the appropriated equalizer...

20060171279 - Apparatus for and method of recording digital audio/video signals: A recording apparatus for recording digital audio/video signals on a removable rewritable disc like recording medium has been proposed. The apparatus comprises writing means (21, 22, 25) for recording the digital information signals and control means (20) for controlling the recording. The apparatus is capable of performing initialization, formatting and...

20060171280 - Defect management method and system of optical disk drive: A defect management method applied in an optical disc drive for managing defect information of an optical disc is disclosed. The optical disc drive saves a plurality of defect tables comprising at least a first defect table and a second defect table. The first defect table records a plurality of...

20060171281 - Information recording medium, recording apparatus, reproduction apparatus, recording method and reproduction method: An information recording medium is provided that includes a data area for recording user data and a defect management area for recording a defect list for managing N number of defect areas existing in the data area, where N is an integer satisfying N≧0. The defect list includes two or...

20060171282 - Information recording medium, recording apparatus, reproduction apparatus, recording method and reproduction method: A reproduction apparatus is provided for reproducing information recorded on an information recording medium. The information recording medium includes a data area for recording user data; and a defect management area for recording a defect list for managing N number of defect areas existing in the data area, where N...

20060171276 - Information recording and reproducing apparatus and information recording method: An attempt is made to make it possible to efficiently perform the finalizing process and closing process in a short period of time. When the border closing or finalizing process is performed after user data is recorded, latest recording management data (RMD) is recorded in a recording management data duplication...

20060171277 - Information recording and reproducing apparatus and information recording method: An attempt is made to make it possible to efficiently perform the finalizing process and closing process in a short period of time and securely manage the last address of a border-out. When the border closing or finalizing process is performed after user data is recorded, a padding process is...

20060171275 - Information recording/reproduction appratus: An optical information recording/reproduction apparatus capable of eliminating a waste of learning time for spherical aberration learning and rationalizing the spherical aberration-correcting operation is provided. Specifically, the optical information recording/reproduction apparatus includes: a discrimination circuit for discriminating the kind of an optical disk, that is, whether a recording layer is...

20060171274 - Method for indicating time point for replacement of a recording medium and apparatus implementing the same: A method and an apparatus for indicating a time point for replacement of a recording medium such as a digital video disc, a compact disc, a blue-ray disc or a video tape, where a reproduction end point of moving image data of a currently-reproduced unit of the recording medium (from...

20060171278 - 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...

20060171283 - Method and apparatus for decoding data in a layered modulation system: A decoder for a layered modulation system can be configured to independently and concurrently decode each of a base and enhancement layer. The base layer decoder and enhancement layer decoder can be configured substantially in parallel and can each operate concurrently on the same received layered modulation symbol. Each of...

20060171284 - Method for optical recording, method for optical reproducing, optical recording medium, and optical recording and reproducing apparatus utilizing holography: The present invention relates to a method for optical recording in which information is recorded on an optical recording media utilizing holography and to a method for optical reproducing in which information recorded on an optical recording media utilizing holography is reconstructed. The methods includes preparing an optical recording media...

20060171285 - Optical pickup apparatus: An optical pickup apparatus is provided with a light source device to emit selectively an ordinary polarized light ray and an extraordinary polarized light ray by controlling a polarization condition of a light flux having a wavelength of λ1; and a light converging optical system. An objective lens has a...

20060171292 - 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...

20060171291 - Information recording medium, recording apparatus, reproduction apparatus, recording method and reproduction method: An information recording medium is provided, which comprises a plurality of recording layers and a first disc information area for storing parameters relating to access to the plurality of recording layers and formats relating to the plurality of recording layer. The first disc information area is provided in a first...

20060171288 - Optical disk assay device, system and method: An optically readable device is provided for use in an assay process, where the device includes a surface readable by an optical reading device and at least one binder located on the surface for exposure to a medium and configured to bind to a target entity that may be present...

20060171290 - Optical information recording medium, and recording and reproducing apparatus of the same:

20060171287 - Rewritable data carrier: The invention relates to a data carrier comprising a first area (12) comprising a rewritable material, said first area being defined as a read-only area by means of type information recorded on said data carrier in an unerasable way....

20060171289 - Test disk: With conventional test discs, changing them takes much time when a pickup is subjected to signal evaluation with respect to DVD- family discs (DVD-R and DVD-RW) and DVD+ family discs (DVD+R and DVD+RW), leading to low testing efficiency. A test disc of the invention has, formed on a single glass...

20060171286 - Writable optical recording medium: The present invention relates to a writable optical recording medium (500), and in particular to a write-once optical record carrier comprising a substrate (520) carrying a recording stack (510) which recording stack comprises a recording layer (516), made of PEDOT and/or derivatives thereof....

20060171293 - Disk-like recording medium, disk recording apparatus and disk recording method, and disk playback apparatus and disk playback method: Disclosed is a disk-like recording medium, a disk recording apparatus and a disk recording method, and a disk playback apparatus and a disk playback method. Disk ID is recorded over a circle of a burst cutting area on an optical disk. The circle is divided into n blocks, each of...