Dynamic information storage or retrieval inventions 06/06

20060140066 - Optical information processing apparatus: For a concurrent ROM-RAM recording medium, the present invention provides an optical information processing apparatus which can accurately read a RAM signal at the time of high-speed transfer without reducing a phase pit depth. The optical information processing apparatus is an optical information processing apparatus for controlling writing and reading...

20060140067 - Av data recording method, av data reproduction method, and av data recording medium: After reproduction of AV data is interrupted, the story before the interruption can easily be grasped and accompanying information associated with a character is displayed as is necessary. A main file (101) of the AV data recorded on an AV data recording medium (10) is divided into one or more...

20060140068 - Disk controlling apparatus and computer product: A disk apparatus writes and rewrites data in a storage disk and reads data from the storage disk. A disk controlling apparatus that controls the disk apparatus includes an environment information creating unit creates environment information that is related to an environment of the disk apparatus, a storing unit that...

20060140069 - Disk array apparatus and power backup method for the same: HDD boxes 831 to 83n are each incorporated with a secondary battery box 87, a non-isolated DC/DC converter 89, and an HDD 91. Logical circuit boards 851 to 85n are each incorporated with the secondary battery box 87, fast-transient-response-type non-isolated DC/DC converters 931 to 933, and a plurality of loads...

20060140071 - Objective lens optical part for optical pickup device and focusing method using the same: The present invention relates to an objective lens optical part for an optical pickup device and a focusing method using the same. The focusing method at least includes the steps of providing a first optical member and a second optical member corresponding to the first optical member, dividing a light...

20060140070 - Optical information reproduction device: An information recording medium (21) of the optical information reproduction device of the present invention includes a recording unit (3) capable of recording information three-dimensionally and provided with a track, and information is recorded by forming a plurality of recording marks along the track of the recording unit by a...

20060140072 - Optical pickup: An optical pickup records information on an optical recording medium and retrieves information from the optical recording medium by radiating a light beam on the optical recording medium. The optical pickup includes a light source which emits the light beam. The optical pickup also includes an object lens which directs...

20060140073 - Method and apparatus for automatic adjustment procedure of the optical drive: A method and apparatus for automatic adjustment procedure of optical drive are disclosed. The steps of the method include determining tracking error signals of the inner and the outer zone of the disk, respectively. A difference of the tracking error signal between the inner and the outer-diameter zones of the...

20060140074 - Optical information recording apparatus and method: Recording of information by utilizing a holography to each information recording area while moving a record medium having information recording areas by means of a practical light source. For recording of information on an information recording area (7) of a record medium, an irradiated position (101) is moved so that...

20060140075 - Optical information recording medium manufacturing method therefor, manufacturing apparatus therefor, and optical information recording and reproducing apparatus: In an optical information recording medium having at least two information layer, guide grooves for tracking or sample pits or information pits corresponding to information signals are formed on a surface of a first substrate. A first information layer formed by a thin film for reflecting a portion of a...

20060140076 - Driver circuit, related drive control method and image reading apparatus: A driver circuit provided with a shift signal generator for sequentially outputting shift signals at a predetermined time interval; a plurality of amplifiers respectively receiving a plurality of detection signals read out in parallel corresponding to a detectable object image pattern and respectively receiving the shift signals, wherein the plurality...

20060140077 - Focalizer alignment: Described here are methods and devices for aligning an optical servo system used with digital storage media. The devices and methods described herein include alignment apparatuses and alignment test targets, and methods of using them to align the light source outputs of an optical servo system. The alignment test target...

20060140078 - Optical pickup device: Provided is an optical pickup device capable of suppressing an increase in the number of parts and complication of an optical system while a diffraction grating is used as an optical axis correcting element. Three kinds of blue, red, and infrared laser light beams are emitted from laser element provided...

20060140081 - Information storage medium having flexibility for allocating an area, recording method, reproducing method and apparatus thereof: An information storage medium having flexibility of allocating an area, a recording method, a reproducing method, and an apparatus thereof. The method to obtain flexibility of allocating areas on a disc includes: recording on the disc, location information to recognize each area disposed on the disc. According to the method,...

20060140082 - Methods for establishing audio track digital audio extraction speed: Methods for determining recording speeds to optical media are provided. In one example, a method includes an algorithm in which a digital audio extraction (DAX) speed is determined for a first part of an audio track is measured, a DAX speed for an end part of an audio track is...

20060140080 - Multi-function digital optical disc player: A multi-function digital video optical disc player includes a housing; an optical disc drive installed inside the housing for reading a first video data from an optical disc; a tape drive installed inside the housing for reading a DV tape to retrieve a second video data complying with a first...

20060140079 - Reproduction device, reproduction method, reproduction program, and recording medium: With a reproduction-only disc having a large recording capacity, an interactive function having a higher degree of freedom than the related art can be easily accomplished. A virtual player model corresponding to a function of a player is created and described in Java. BDBasicPlayer 210 detects a user input and...

20060140088 - Recording method and recording device: A recording device and a method therefor for recording data on a given recording medium having a maximum number of recording units available for recording and a maximum number of sub-recording units within each recording unit determined by a format thereof. In the method and device, a restriction is applied...

20060140089 - Optical disk apparatus and method of tilt control: An optical disk apparatus includes an objective lens that condenses light on an information recording layer of an optical disk that has a first area with a first track pitch and a second area with a second track pitch, to form an optical spot. The apparatus also includes a tilt...

20060140083 - Apparatus for writing a data to an optical storage media and servo control unit and laser diode driver unit thereof: An apparatus for writing data to an optical storage media and a servo control unit and a laser diode driver unit thereof. The apparatus making a laser diode emit light includes a servo control unit and a laser diode driver unit. The servo control unit includes a control unit for...

20060140087 - Multi-layered high-density recording medium and optical power adjusting method therefor: A multi-layered high-density recording medium and an optical power adjusting method for use with the same. Control information is pre-recorded in a specific area of at least a specific recording layer among the multiple recording layers, wherein the control information and includes each reference power information for respective recording layers....

20060140086 - Optical data write/reproduce device for determining optimum write strategy and writing data according to optimum writ strategy, and method thereof: An optical write and reproduce device is provided to determine an optimum write strategy from a broader selection of choices. The optical write and reproduce device has an optical pick-up part for emitting a light signal onto an optical disk to write and reproduce data, a memory part for storing...

20060140085 - Optical disk apparatus for recording data on multilayer optical disk: When recording data on a multilayer optical disk, the recording power for a recording layer provided further from the laser beam incident side is optimized. An optical disk includes a first layer and a second layer. When recording data onto the second layer, the amount of return light at the...

20060140084 - Optical information recording device, optical information recording method, and signal processing circuit: It is an object of the present invention to improve a margin to meet good recording quality by conducting a realtime correction of a recording condition of a medium with different recording characteristics for inner and outer circumferences. To accomplish the object, control factors for power and a pulse width...

20060140090 - Pulse width modulation amplifier: The invention provides a pulse width modulation amplifier that includes a correction circuit, an envelope detector, a level detector, a PWM carrier generator, an interpolation arithmetic circuit, and a PWM circuit. The envelope detector detects an envelope of digital data to be input. The correction circuit performs distortion correction, frequency...

20060140092 - Information storage medium which stores defect management information, method of replacing defect management information, and apparatus which replaces defect management information: A plurality of defect management areas (DMA set groups 1 to N) are used in a ring form in such a manner that defect management information of the DMA replaces and is recorded in the next spare area while the DMA is supposed to be still sufficiently rewritable (e.g., currently...

20060140093 - Optical disk drive and method for allocating spare area on optical disk medium: On an optical disk medium, a spare area is allocated separately from a recording area. If the recording area includes a defective sector, alternate recording for the defective sector is performed in the spare area. An optical disk drive comprises: a medium information acquisition part which acquires, from the optical...

20060140091 - Recording medium, reproduction device, program, reproduction method, and system integrated circuit: The BD-ROM includes, recorded therein, a PlayList that is composed of an AVClip and PlayList information, an application, and a BD-J Object. The application is a program that is written in a programming language for a virtual machine, and a life cycle during which the application can be executed by...

20060140095 - Optical disk apparatus: An optical disk apparatus includes an intermittent operation unit that causes a recording/standby memory device to accumulate an audio signal and video signal to be recorded and to intermittently read the signals, and causes a spindle motor control circuit and optical head control circuit to be intermittently actuated in response...

20060140094 - Optical recording method, optical recording medium, optical recording medium recording device, optical recording device, optical disk, optica disk recording/reproducing device: A mark having a length nT (n being an integer equal to or greater than 3 and T being a clock period) is formed by modulating irradiation laser power with three values of recording power Pw, erase power Pe, and bias power Pb (Pw>Pe>Pb). Constant strength periods (At) of the...

20060140096 - Optical recording method, optical recording apparatus and optical storage medium: Data is recorded in a phase-change optical storage medium having a beam-incident surface and a plurality of data layers provided over the surface, each data layer having at least a recording film. Data to be recorded is modulated to generate modulated data. Desired mark-length data is generated based on the...

20060140097 - Recordable optical disc, optical disc recording apparatus, optical disc reproduction apparatus, and method for recording data onto recordable optical disc: A DVD-R recorder according to the invention detects an item of recording speed information (d15) from a DVD-R (30) on which histories of recording speed information, write strategy, and recording power condition are stored. When the decoded item of recording speed information (d15) agrees with a set item of recording...

20060140098 - Recording audio broadcast program: An embodiment of the present invention includes a technique to record a radio broadcast program. A recording circuit records an encoded digital stream corresponding to a program signal onto a storage unit starting at a start recording time. The program signal is received by a receiver and corresponds to an...

20060140099 - Method and apparatus of modulating/demodulating data for an optical recording medium: A method of modulating a source data to a code data under condition of a given code rate and run length limited (rll). The method including (a) inputting the source data, and (b) modulating the source data into code data by converting source data of 2 bits into code data...

20060140100 - Multi-stack information carrier with electrochromic materials: The invention relates to an information carrier for scanning information by means of an optical beam having a wavelength. The information carrier comprises at least two information stacks. Each stack comprises a counter electrode (13, 17), an electrolyte layer (12, 16) and an information layer (11, 15). The information layer...

20060140101 - Holographic recording system and optical chopper: A holographic recording system with a simple structure is provided that can make a holographic recording beam follow a recording medium traveling even at high speed. The holographic recording system 10 includes a chopper lens 30 that travels in synchronization with and in a same direction as the holographic recording...

20060140102 - System and method for parallel selection and retrieval of data stored in a holographic data storage medium: System and method for parallel selection and retrieval of data stored in an optical data storage medium. A holographic data storage medium has a plurality of data sites, each data site containing a plurality of data units recorded as multiplexed holograms. A plurality of light beams are independently controlled to...

20060140103 - Optical pickup apparatus and objective lens: where λ represents a wavelength of a light source, δSA1/δU represents a change of a spherical aberration for an object-to-image distance change δU (|δU|≦0.5 mm) and δSA2/δT represents a change of spherical aberration for a temperature change δT (|δT|≦30° C.), the object-to-image distance is a distance between the light source...

20060140104 - Optical pickup and optical disk apparatus: An optical pickup adapted to operate for optical disks of a plurality of different types and an optical disk apparatus include a light source for emitting a first light beam with a wavelength matching a first optical disk or a second light beam with a wavelength matching a second optical...

20060140105 - Glass substrate for information recording medium and method for producing same: A glass substrate for an information recording medium is manufactured by polishing the surface of a raw material glass plate. The polishing of the raw material glass plate is divided into a step for performing a first polishing process to roughly polish the surface of the raw material glass plate...

20060140106 - Optical recording material, optical recording medium and method for manufacturing optical recording medium: An optical recording medium capable of recording information by irradiation of light is provided with a substrate on which there is formed a recording layer which contains an organic dye comprising an organic dye matrix, and at least one C7 or greater branched organic group bonded by a single bond...

20060140108 - Double-sided, hybrid optical data carrier in disc format (sacd/dvd): The invention relates to a double-sided optical data carrier that contains, on the two sides, data in different logic and/or physical formats. One side conforms to the standard specification of a Super Audio CD (SACD), whereas the second side contains data in a format that differs therefrom and is preferably...

20060140107 - Information recording medium, information recording device and method, information reproduction device and method, information recording/reproduction device and method, computer program for controlling recording or reproduction, and data structure includi: An information record medium contains a plurality of content informations and a plurality of play list sets each including a plurality of play list informations defining the reproduction sequence of the content informations. In addition, the information recording medium contains title information designating at least one play list set, which...

20060133222 - Lithography method: A lithography method for improving contrast includes the following steps: To provide a light source. To provide a first plate including at least one opening rotates according to at least one angular velocity. To provide a mask having patterns on it. To provide a second plate including at least one...

20060133221 - Method of managing playback speed information of a recording medium, recording medium with playback speed information for video content recorded thereon, and reproducing method for the recording medium: The present invention relates to a method of enabling to reproduce main AN data recorded on a high-density recording medium such as a Blu-ray Disc ROM at a playback speed suitable to the recorded main A/V data. In the present method, when main video data is recorded on a recording...

20060133224 - Device for accessing address information in an optical disc: An address-accessing device includes first and second information generators for producing first and second information according to the received address signals; a phase offset detector for producing a phase offset according to the first and second information; a reference signal generator for producing a reference signal according to the phase...

20060133225 - Method and device for setting sequence of playing disks in optical disk drives: A method and device for setting the sequence of playing disks of an optical disk drive includes an input unit for resetting the sequence of playing disks and the input unit is connected to a CPU. When the sequence of loading of disk is wrong, the user may input a...

20060133223 - Recording medium, recording device usint the same, and reproduction device: A recording apparatus is provided that includes a recording section for recording information onto a recording medium, a file system processing section for managing the information as a file using file system information having a directory hierarchy structure capable of being referenced using a path name, a contents management information...

20060133226 - Light source device: A light source device includes a light source, a reflective filter and an optical absorber. The light source is used for emitting a light beam. The reflective filter is configured for selectively reflecting a first portion of the light beam emitted from the light source and for selectively transmitting a...

20060133227 - Digital disk read/write device: A device for reading from and/or writing on a rotating disk including a mobile opto-electromechanical device placed above the disk and connected to a motherboard via a set of electric wires. The opto-electromechanical device includes actuators, a laser diode, photodetectors, and an electronic circuit, each photodetector providing the electronic circuit...

20060133228 - Optical disc with wobbled tracks and apparatus using this optical disc: Address information is formed by M wobbles (integer M is the number of wobble waves) per bit as a basic unit, and is NRZ-recorded. Also, a sync signal used in sync detection of the address information is formed by N wobbles per bit as a basic unit (integer N is...

20060133231 - Apparatus and method for controlling tracking servo in near field optics: Disclosed are an apparatus and a method for controlling a tracking servo in a near field optics. Gap error signals are detected in a divided state, and a push pull signal is compensated based on the detected gap error signals. A photo detector detecting the gap error signals is divided...

20060133229 - Low seek time optical media tracking system: The present invention provides a system for causing an optical beam to impinge on a spot on an optical medium, while keeping an optical head apparatus in an essentially stationary position, such that it eliminates the need for a tracking function to move an optical head apparatus in order to...

20060133230 - Optical recording using a waveguide structure and a phase change medium: An apparatus comprises a slider having an air bearing surface, a first waveguide for directing electromagnetic radiation to a focal point adjacent to the air bearing surface, a storage medium position adjacent to the air bearing surface, a detector for detecting electromagnetic radiation reflected from the storage medium, and a...

20060133232 - Radial separation distance determination for a data storage medium: An apparatus and method for determining a separation distance between radial locations on a data storage medium, such as an optical disc. A first number of channel bits are detected at a first radial location of the medium, and a second number of channel bits are detected at a second...

20060133233 - Optical disk device and method for controlling the same: An optical pickup capable of selectively emitting blue light based and red light based laser beams is moved to a radial direction of an optical disk while emitting either of the laser beams, and it is detected whether or not a track pitch of the optical disk has changed based...

20060133234 - Optical disc apparatus: An optical disc apparatus includes a servo gain adjuster, which includes a disturbance signal supplying unit that generates plural disturbance signals of different frequencies and supplies them in sequence to a servo loop, a gain characteristic measuring unit that measures a deviation of a servo gain characteristic of the servo...

20060133235 - Optical disc apparatus: An optical disc apparatus includes: a pickup head including light sources for irradiating laser beams onto each of the two types of optical discs set in the unit main body and photodetectors for detecting the reflected light amount from the optical disc; and a control unit for permitting one light...

20060133236 - Tracking control method and apparatus and image capture method and apparatus for holographic information recording medium: Provided is a method of controlling tracking of an information recording medium including an area for storing a holographic image and an area for storing servo spots formed discretely and at a predetermined interval, which is achieved by obtaining an RF-SUM signal by adding all of detection signals of a...

20060133242 - Optical disc apparatus: An optical disc apparatus includes: a read unit for outputting an RF signal, which is a read signal of data recorded in an optical disc, by irradiating a laser beam to the optical disc and detecting reflected light in a photo detector; an equalize unit for performing equalize adjustment on...

20060133243 - Method and apparatus for reproducing information: An information signal is read from a recording medium to generate a reproduced signal. A sync detector detects a sync signal in the reproduced signal on a pattern search basis during operation in a direct mode. The sync detector sets a detection window and detects a sync signal in the...

20060133238 - Disk tray mechanism for reproducing apparatus: The invention relates to a tray mechanism consisting of sliding means comprising an electrical tray motor, for moving a tray—provided for containing a disc (for example an optical disc) on which information is recorded—from a projected position, for the placement of the disc or its discharge, to a contained one,...

20060133241 - Optical disk apparatus: An optical disk apparatus includes: a recording unit for recording data on an optical disk set on an apparatus main body; a temporary data recording unit for temporarily recording target data to be recorded on the optical disk on a non volatile recording medium when the recording unit records the...

20060133237 - Optical recording method and optical recorder: A write strategy for use in recording is determined from recommended write strategy parameters recorded on an optical disk (160) and the characteristics of the optical recording device used in recording; a recommended asymmetry value is determined from the difference between the numerical aperture NA1 of the objective lens, which...

20060133240 - Recording apparatus for generating write pulse control signals suitable for various types of optical recording media: A recording apparatus for generating write pulse control signals suitable for various optical recording media includes a pattern detector receiving a non return to zero inverted (NRZI) signal and distinguishing between information about a mark and information about a space, a memory storing timing parameters for a start pulse, a...

20060133239 - System and method for laser write power calibration: Systems and methods for calibrating laser write power in a digital media drive are disclosed. The method includes writing to a calibration portion on a digital media labeling layer with energy from a laser. The writing includes using at least two different laser power settings within the calibration portion. The...

20060133244 - Offset amount measuring method and apparatus: An offset amount measuring method is provided with: a recording process for measurement (i) of recording information for measurement, into a recording track in the L0 layer, by a predetermined section, from a measurement reference position, and of (ii) recording the information for measurement, into a recording track in the...

20060133245 - Optical disk apparatus: An optical disk apparatus includes: a recording quality determination unit for, when a recording/reading unit has recorded data on an optical disk, reading the data recorded this time from the optical disk, and determining whether the recording quality of the data is at a proper level or not, wherein when...

20060133248 - Data reproduction apparatus: A fast synchronization pull-in and an optimum error correction are achieved in a reproduction apparatus for reproducing data recorded on a recording medium even in the case where the quality of input data involving a seek or defect is low. A seek amount detection block 190 is provided, a seek...

20060133249 - Tilt detection apparatus, hologram apparatus, tilt correction method for medium, and tilt correction method for hologram medium: A tilt detection apparatus for a medium comprises a tilt detection beam generator that makes a tilt detection beam incident ion a medium to detect whether the medium is tilted with respect to a reference position; a light reception unit that receives the tilt detection beam that after striking the...

20060133247 - Apparatus for processing information stored in a data carrier, data carrier and method for storing a file with a plurality of related sub-files in said carrier: This apparatus is designed for processing information stored in a data carrier in which information can be stored in many layers (L0, L1, . . . ) Often said information is arranged in files and related sub-files. It is proposed to arrange the file and the related sub-file in the...

20060133246 - Recording device, recording medium recording method, and program for recording medium recording method: The present invention is applied to a video camera using an optical disk based on the DVD system. Data for determination changing each time data corresponding to a recording unit from a start of a recording operation until the end of the recording operation is generated based on management data...

20060133250 - Optical disk drive signal calibration method and device for the same: The present invention is described for compensating a signal which is transmitted by a transmitting module of the optical disk drive controller through a signal channel and received and reshaped by a receiving module of the optical pickup head to calibrate the duty cycle distortion occurred. The claimed method has...

20060133251 - System and method for audio and visual synchronization: Presented herein is a system, method, and apparatus for audio and video synchronization. In one embodiment, there is presented a method for displaying audio data and video data. The method comprises examining a plurality of portions of the audio data, where each of said plurality of portions of audio data...

20060133252 - Electronic circuit for decoding a read signal from an optical storage medium: The invention relates to an electronic circuit for decoding a read signal from an optical storage medium, the electronic circuit comprising a limit equalizer for amplification of high frequency read signal components without substantially increasing inter-symbol interference, a Viterbi detector being coupled to an output of the limit equalizer for...

20060133254 - Auto level with a laser: The auto level with a laser radiates laser light along an optical axis of a visible optical system and comprises of a visible optical system with an automatic horizontal compensation mechanism prism mirror and a beam splitter disposed between an objective lens and an eyepiece. The auto level with a...

20060133253 - Device for aligning a data carrier plate with respect to a data transmission head: The invention relates to a device for aligning a data carrier plate and its drive (11) with respect to a data transmission head in a data transmission device, in which data are read from or written into the data carrier plate by means of light rays, which data carrier plate...

20060133255 - Read channel apparatus for an optical storage system: A read channel apparatus is disclosed for reading data recorded on an optical storage system. An exemplary sampling device samples an analog read signal generating from the optical storage system to generate a sequence of sample values. A subtractor subtracts an estimated DC offset from the sample values to generate...

20060133256 - Optical disk and its manufacturing method: An optical disk (10) of the present invention has a substrate (11) included a resin-impregnated paper, in which resin is impregnated into paper, or resin-coated paper, in which the paper surface is coated with a resin, and a recording layer (13) formed on at least one side of the substrate...

20060133257 - Optical disk and method of producing the same: An optical disk has a first and a second intermediate disk structure. The first structure includes at least a first transparent substrate, a first recording layer, and a first reflective layer. The first substrate has a first surface and a second surface. The first surface is a beam incidence surface...

20060133258 - Optical information recording medium and information recording method using the recording medium: An optical information recording medium including a substrate, a light absorbing layer which is located overlying the substrate and in which marks are formed to store information and a light reflection layer located overlying the light absorbing layer including a crystal, wherein the optical information recording medium satisfies the relationship,...

20060126447 - Remote control system for an optical disc player and related method: An apparatus that is configured to receive a first signal from a remote device, to convert the first signal into a second signal, and to transmit the second signal to an optical disc player. The apparatus includes a receiver, a micro processing unit, and a transmitter. The receiver is configured...

20060126448 - Disk reproducing method, control program thereof, recording medium, disk reproducing apparatus, and optical disk-purpose signal processing circuit: In a disk reproducing apparatus for selecting data which is reproduced in response to a reproduction environment from a disk in which data whose reproducing systems are different from each other have been recorded in different areas of the disk, a reproduction switching means 100 is provided so as to...

20060126450 - Information processing device and information processing method: The present invention concerns an information processing device which checks whether the content related information retrieved by the content reproducing device is associated with the content pieces recorded in the content reproducing device and which changes the functional operation and selection operation on the screen according to the check result....

20060126449 - Information processing device and program: The present invention relates to an information processing apparatus and a program for executing a sequence of processing operations including the recording of video data recorded to a first recording medium in a first format to a second recording medium in a second format without user's manual intervention. If the...

20060126452 - Music content reproduction apparatus, method thereof and recording apparatus: An apparatus for reproducing a music content includes a first acquisition unit for acquiring data of a music content, a second acquisition unit for acquiring attribute information, a reproducing unit for reproducing, into an audio reproduction output, the music content data acquired by the first acquisition unit, a detecting unit...

20060126451 - Information processsing device and method, program, and recording medium: The present invention relates to an information processing apparatus and method, a program, and a recording medium that facilitate, for example, identification of information recorded on an recording medium. In a disc formatting process 211, a disc-metadata-file creating unit 181 creates a disc-metadata file including various types of label information,...

20060126453 - Focus control via ac input signal: A method of mapping a surface of a printable medium comprises illuminating the surface with electromagnetic radiation and focusing the electromagnetic radiation with a focusing means. The method also includes modulating the position of the focusing means using an actuator, wherein the actuator has a resonant frequency. An input signal...

20060126454 - Single pll demodulation of pre-formatted information embedded in optical recording medium: A method and apparatus demodulate pre-formatted information embedded in an optical recording medium. The demodulation includes (a) receiving a wobble signal representing data symbols frequency-modulated on a carrier frequency, (b) generating a phase delta signal representing a phase difference between the wobble signal and a corresponding locked signal having the...

20060126455 - Tracking device: An MPU vibrates a track actuator with a predetermined amplitude while the focus servo loop is closed. The MPU calculates the number of tracks on a disk that the actuator crosses from a track error signal obtained by the vibration, and calculates the acceleration performance constant of the track actuator...

20060126456 - Method for executing a track jump of an explorer head to retireve data from aa carrier: An apparatus for processing data which are placed on a data carrier (1) in various locations defined y locations codes and which are organized in accordance with data address codes for retrieving them, this apparatus comprising an explorer head (15) mounted in a sledge (16) for reading and/or writing data...

20060126459 - Optical pickup device with phase shift mirror: The present invention relates to an optical pickup device having a phase shift mirror, which universally adopts light sources for recording on and/or reproducing from both CDs and DVDs. In the optical pickup device with double light sources for CDs and DVDs, beams can travel the optical path at maximum...

20060126458 - Optical pickup head and information recording and/or reproducing device incorporating same: An optical pickup head (99) for an information recording and/or reproducing device is compatible with three types of optical recording media. The optical pickup head includes a first light source (12a) emitting a first beam with a first wavelength, a second light source (12b) emitting a second light beam with...

20060126457 - Three-dimensional information recording and reading method: The three-dimensional information reading/recording method of this invention enhances the recording capacity as well as performs high-speed reading/recording of information three-dimensionally. The method includes: forming three-dimensional lattices in a three-dimensional optical disk, disposing to wobble the lattices in a plane perpendicular to the traveling direction of light spots, generating signals...

20060126460 - Optical storage device, recording method of optical storage medium and program: A write retry processing unit repeats a write retry operation of a write and a verify, while performing a setting change of a focus offset for recording a data on an optical storage medium in case a verify error occurs in executing the write and a verify try fails. A...

20060126464 - Information processing system, program, recording medium, and control method: An information processing system (IPS) including an external storage device having a drive control unit for performing reading/writing operations on a recording medium in response to a request from an operation system, in which the drive control unit transmits to the operation system a connection state response indicating that the...

20060126465 - Recording and reproducing method and recording and reproducing device for data: A recording method for copying content data on a CD-R by using a personal computer. When the content data is not recorded in the CD-R, the ID of the CD-R and the data are recorded and the ID is stored in the personal computer used for recording the data. When...

20060126466 - Information recording apparatus, information reproducing apparatus, information recording method, and information reproducing method with an improved track jump performance: An optical disc reproducing apparatus and an optical disc recording apparatus for reproducing an optical disc. The apparatus includes an optical pickup unit for irradiating a laser beam to the optical disc, an optical pickup drive unit for moving the optical pickup in the radial direction of the optical disc,...

20060126461 - Optical disc apparatus: An optical disc apparatus allows an optical pickup to seek to a physical address 30000Hex, and controls high-speed CLV of a spindle motor to be 1.04-multiple speed of CLV so as to set rotational speed of the spindle motor at 1440 rpm, before reproducing information from NBCA. The optical disc...

20060126462 - Optical recording and reproducing apparatus: An optimum power set value Pwp1 for Layer 1 obtained by an OPC is used as an initial value Pw21 of the OPC for Layer 2. At this time, an inclination Ia is obtained from an approximation line of a β value for Layer 1 (recording power to the β...

20060126463 - Optical recording and reproducing apparatus: From optimum power set values of Pwp1 and Pwp2 obtained by performing an OPC on Layer 1 and Layer 2, respectively, an interlayer power ratio α=Pwp2/Pwp1 is obtained. In transition from Layer 1 to Layer 2, the last laser power Pwr1 of Layer 1 adjusted by an R-OPC is multiplied...

20060126467 - Optimal recording apparatus and method for determining an optical recording condition: An optimal recording apparatus and method for optical recording media are disclosed which are capable of recording data on the optical recording medium under optimum conditions in an optical recording/reproducing apparatus. In accordance with the optimal recording apparatus and method, a reference power value recorded on an optical recording medium...

20060126468 - Method and apparatus for verifiably migrating worm data: A file system in a storage system allows a user to designate data as write-once read-many (WORM) data. The WORM data are stored in a first set of storage media of the storage system. Signature data are generated from the WORM data. Using the signature data, the integrity of the...

20060126472 - Recording/reproducing apparatus for performing rmw for low, recording/reproducing method therefor, and information storage medium therefor: Replacement data for updating data recorded on an information storage medium is recorded in an area for logical overwrite (LOW) replacement; replacement data for replacing a defect generated on the medium is recorded in an area for defect replacement; and, if a defect is generated in an original block recorded...

20060126470 - Digital data recording method, recording apparatus and reproducing apparatus: In a recording method of a write-once optical disk which has a lead-in area, a user area and a lead-out area and to which a logical over-write processing is performed using disk structure definition information and a defect list table recorded to the lead-in area, the disk structure definition information...

20060126471 - Information recording apparatus, information recording method, information playback apparatus, information playback method, and information recording/playback apparatus: A content-list management unit classifies contents according to which optical disks the respective contents were input from, adds content selection information (i.e., information presented to select a content to be played back for playback) on the content to content lists associated with respective categories of the contents, and records the...

20060126469 - Recording device, recording method, recording medium, and program: The present invention relates to a recording apparatus and method, to a recording medium, and to a program for recording data files, according to a FAT system, on an information-recording medium, regardless of the capacity of the information-recording medium. In step S1, a FAT block of a size corresponding to...

20060126473 - Dropout detection circuit and optical disc apparatus: The dropout detection circuit of the invention includes: a high-speed envelope detection circuit for detecting an envelope of a reflection signal of a light beam with a first time constant; a low-speed envelope detection circuit for detecting an envelope of the reflection signal with a second time constant larger than...

20060126474 - Method and apparatus for acquiring an index mark: A method and apparatus for reading an index mark pattern. The pattern may be formed on an optical disc medium. The optical disc medium may include a set of data arranged in a data field, and an index mark pattern for identifying a relative location of the data field....

20060126475 - Optical disk apparatus: In an optical disk apparatus, when the write-in process to the optical disk is interrupted, a data processing part and an encoder part are set to be in the waiting state after an access to a data storing part is completed, so as to stop accessing the data storing part...

20060126476 - Dynamic fringe phase detection for measurement of very small spacing: An apparatus and a method for measuring very small separations between a transparent or semi-transparent first body and a second body, wherein one or more light sources produce light that is split into two distinct paths. One path is directed through the first body at two locations, one where it...

20060126477 - Pulse modulation laser writing system: A pulse modulation laser writing system generates a motion control file for controlled motion of a sample under modulated laser beam exposure and generates a laser script file for generating a sequence of laser writing processes, such as, ablation, welding, texturing, and dosing, the sample while under motion control. The...

20060126478 - Optical disc drive apparatus: In an optical disc drive apparatus (1) capable of writing information to a recordable optical disc (2), a control circuit (10) for controlling an optical pickup unit (5) comprises: a controllable DC controller (22) adapted to give a DC offset to an analog data signal (RF); a variable gain amplifier...

20060126480 - Compensated optical storage medium: A optical storage medium is provided, comprising a main substrate, an information surface being associated with the main substrate, and at least one compensating layer. The compensating layer may change a phase and/or amplitude of a propagating electromagnetic wavefront according to a first optical transfer function so that the optical...

20060126479 - Information recording medium, information recording device and method, information reproducing device and method, information recording/reproducing device and method, computer program for control of recording or reproduction, and data structure including: 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...

20060126483 - Optical disc and method of printing optical disc: A processor-readable medium comprises processor-executable instructions. The instructions are configured for scanning a reference pattern on a disc to determine a first radial position of the laser, wherein the reference pattern is located at a first nominal distance from a center of the disc and extends to a second nominal...

20060126485 - Optical disc, optical disc apparatus, optical disk reproducing method, and digital work publication: An optical disc of this invention is configured to be capable of dealing with both information in HD DVD and information in DVD. The optical disc is basically specified by the following items (1) to (7): (1) the optical disc is a single-sided dual layer optical disc where a light...

20060126481 - Optical information recoding medium and manufacturing method thereof: The optical information recording medium of the present invention includes a plurality of information layers provided on a substrate and an optical separating layer provided between information layer adjacent to each other, and information is recorded or reproduced by irradiation of a laser beam. When an information layer that is...

20060126484 - Optical media, read inhibiting agents and methods of making and using same: Apparatuses, products, devices and methods of manufacture consistent with the invention include optically readable media with at least one mechanism, chemical, agent, and/or process for limiting the time period that at least a portion of encoded information can be read and/or accessed by an optical beam and/or reader capable of...

20060126482 - Optical recording disc: An optical recording disc includes a substrate 2, a third dielectric layer 3, a light absorption layer 4, a second dielectric layer 5, a decomposition reaction layer 6 containing platinum oxide as a primary component, a first dielectric layer 7 and a light transmission layer 8 and wherein the second...

20060126486 - Optical information recording medium: A phase-change optical information recording medium in which information can be recorded, reproduced and rewritten and which includes a first transparent substrate having a wobbling guide groove which is spirally formed thereon at a pitch; a first dielectric layer located overlying the first transparent substrate and having an optical thickness...

20060126487 - Recording medium, method for searching for content data from the recording medium, and method and apparatus for reproducing data from the recording medium: A recording medium, a method for searching for content data from the recording medium, and a method and apparatus for reproducing data from the recording medium are disclosed. The recording medium includes a stream area for storing content data, and a reproduction management area for storing a search file capable...

20060114755 - Deterring theft of optical media: An optical media disk is treated with a light-sensitive material that impedes the ability of a optical media player from reading data stored on the disk. This light-sensitive material is a material changes phase upon exposure to one or more wavelengths of light. During the initial phase, the light-sensitive material...

20060114756 - Light-assisted type magnetic recording head, magnetic recording apparatus and laser-assisted type magnetic recording head manufacturing method: A laser assisted type magnetic recording head forming a magnetic recording apparatus includes a focusing lens system including an objective lens and a hemispherical or hyper-hemispherical lens and whose effective numerical aperture is greater than 1.0. A recording thin-film magnetic head is built in the inside of the hemispherical or...

20060114758 - Apparatus and method to visually indicate the status of a data storage device: A data storage and retrieval system that comprises a data storage device is disclosed. The data storage and retrieval system further comprises a first LED, a second LED, a third LED, and a fourth LED, interconnected with the data storage device. The data storage device causes the first LED and...

20060114760 - Information recording/reproducing apparatus and method of controlling the same: An information recording/reproducing apparatus comprises a control unit, a memory unit, and a display output unit. The control unit sub-classifies causes of errors into an item dependent on the standard of the recording medium, an item dependent on the use purpose, recorded information and the like to indicate them when...

20060114759 - Labeling methods and apparatus using energy of two wavelengths: A method of measuring a relative darkness of an image recorded on a recording medium, comprising: applying first electromagnetic energy having a first wavelength to the recording medium to record an image thereon, applying second electromagnetic energy having a second wavelength different from the first wavelength to the recorded image...

20060114757 - Method and device for reproducing multi-track data according to predetermined conditions: A mass storage, an electronic multi-track reproducer, and a method to reproduce multi-track data are shown. The possibility is provided to change the reproduction medium according to present environmental conditions, e.g., to change from a text reproduction seamlessly to the reproduction of a radio play, in case environmental conditions indicate...

20060114761 - Reproducing apparatus and reproducing method: To provide a reproducing apparatus comprising a communication unit configured to perform communication with a device on a network, a reproducing unit configured to decode a content in units of packets and reproduce it, and a control unit configured to control to acquire management information (IFO) of the content stored...

20060114762 - Contents data structure, contents data recording medium and contents data recorder: In a contents data recording medium according to the present invention, a plurality of pieces of contents data are recorded as individual files. The contents data recording medium includes: link information which indicates at least positions and sizes of the contents data on the contents data recording medium; metadata which...

20060114763 - Content recording apparatus: In a content recording apparatus, attribute information of first content which is to be recorded to a recording medium is compared with attribute information of second content which has been recorded on the recording medium. As a result of the comparison, if ID information of the first content differs from...

20060114764 - Birefringent optical component: An optical component (600, 181) comprises two adjacent materials (610, 620) with a shaped (e.g. curved) interface between the materials (612, 622). The first of the materials (610) is birefringent. The second material (620) has a refractive index substantially equal to the refractive index of the birefringent material at a...

20060114765 - Additional data channel in pregroove: A record carrier is described for recording information by writing marks in a track. The record carrier has a pregroove (14) indicating the position of the track. The pregroove exhibits a wobble and in addition thereto a pregroove modulation (13) constituted by variations of a physical parameter related to the...

20060114767 - Information recording medium and information reading apparatus: An information recording medium is provided which can eliminate the influence of noise such as crosstalk to a wobble signal. A track is subjected to wobbling based on a wobble signal in which at least one portion of recording information is randomized....

20060114766 - Wobbling signal reproduction device: A wobbling signal reproduction device has a first low-pass filter, a second low-pass filter, a first auto gain control circuit, a second auto gain control circuit, a subtraction circuit unit and a band-pass filter. The band-pass filter is connected to an output terminal of the subtraction circuit unit to eliminate...

20060114770 - Disk drive with optical pickup unit: In order to prevent dust and dirt from entering the inside of an optical pickup unit of a disk drive without use of a special dustproof cover member, the optical pickup unit has a frame slidably supported by guide shafts, which an internal space is formed in the frame to...

20060114768 - Laser irradiation apparatus: There are disposed two homogenizers for controlling an irradiation energy density in the longitudinal direction of a laser light transformed into a linear one which is inputtted into the surface to be irradiated. Also, there is disposed one homogenizer for controlling an irradiation energy density in a width direction of...

20060114769 - Lens holding system, optical pick-up device, and recording/reproducing device: In a lens holding system of the present invention, at least two lens protection sections protruding from a surface of a lens holding section are provided, which surface faces the optical recording medium, the lens protection sections sandwiching an objective lens therebetween. A distance between each of the lens protection...

20060114772 - Laser processing device: A laser processing device having an effect similar to that obtained by changing a focal length of a condensing lens. A part of a laser beam entering into a flat surface portion of the condensing lens is not condensed and radiated on a condensing point on a workpiece as a...

20060114771 - Method and system for adjusting the servo control by monitoring the spot status on photo detector of optical pickup head: The invention discloses a system and method for adjusting the servo controls by monitoring the spot status projected upon the photo detector of an optical pickup head. By utilizing a beam splitting device, the present invention splits the reflected laser beam which projects to photo detector originally into two reflected...

20060114773 - Apparatus and method for manufacturing optical disks, apparatus and method for recording data on optical disks, apparatus and method for reproducing data from optical disks, and optical disk formed with pit strings and mark strings: Described herewith is an optical disk manufacturing apparatus for reading recorded digital data from an optical disk, comprising an encryption unit (22, 23) for encrypting entered digital data according to a plurality of key information; an optical disk substrate manufacturing unit 2 for manufacturing an optical disk substrate 4 on...

20060114774 - Auto-adjusting system for an optical incident angle: An auto-adjusting system for an optical incident angle comprises a memory, a linear tilt calculation unit, a non-linear tilt calculation unit, a controller, and a tilt actuator. The memory is used for storing a linear tilt compensation table and a non-linear tilt compensation table. The linear tilt calculation unit is...

20060114775 - Optical pickup apparatus: The invention relates to an optical pickup apparatus comprising a photodetector (302) which comprises a first segment (A) and a second segment (B), and an optical element (301) intended to receive an incident light beam, said optical element (301) comprising:—a first portion (L) comprising diffraction means for generating a first...

20060114778 - Disk reproduction apparatus: To provide a disk reproduction apparatus capable of reducing time required for reading a disk medium and making a retry. When a type of a disk is discriminated by making a retry because the disk cannot be read at the first time of loading, a user selects in advance one...

20060114776 - Information recording medium, information recording device and method, information reproduction device and method, information recording/reproduction device and method, recording or reproduction control computer program, and data structure containing cont: An information record medium contains video information indicating a main-video, sub-video information indicating a sub-video which can be displayed at least partially over the main-video, and sub-video control information including sub-frame range information specifying at least a part of the region in the sub-video as a sub-frame and sub-frame control...

20060114777 - Optical recording and reading equipment: Disclosed herewith is a data recording and reading equipment capable of reducing laser noise easily. At first, a laser beam source that can reduce the laser noise when reading data from a subject optical disk is obtained. A modulator capable of varying laser attenuation with a voltage is disposed so...

20060114782 - Optical disk, optical disk recording method and optical disk apparatus: A signal can be detected based on a level slice system and detection delay time can be reduced by setting the recording density of a header field in a linear direction lower (coarse) than that of a user data recording field. Further, a signal can be detected based on the...

20060114779 - Optical disk apparatus: An optical disk apparatus, which decreases probability of impossibility of correcting an error in reading, is provided, where the error results from deviation of a writing-resuming position in resumption of writing. When an amount of data in a buffer becomes not more than a given amount of data, a buffer-underrun-detecting-circuit...

20060114783 - Pseudo multi-channel play-back apparatus: Compressed audio data for 5.1 channels stored in the DVD-ROM 11A is read by the AC-3 decoder 12 of a pseudo multi-channel stereo play-back apparatus and, after expansion, stored temporarily in a buffer 13, channel by channel. Among stored audio data stored in the buffer 13, audio data for left...

20060114784 - Optical disc drive and method for adjusting working speed: An optical disc drive and the method for adjusting the working speed are disclosed. In the present method, the user decides the highest working speed in advance. Then, in response to an initiation event, the optical disc drive chooses one of the highest working speed and the pre-determined standard working...

20060114781 - Method and apparatus for performing writing test using charge pumps in optical disk reproducing and recording apparatus: Provided are a method and apparatus for performing a writing test using charge pumps in an optical disk reproducing/recording apparatus. In the apparatus for performing the writing test, an optimum power control (OPC) determining unit determines a phase of a radio frequency signal using a reference voltage, and generates a...

20060114780 - Method and recording device capable of selecting a write strategy applied to an optical disc: A method and a recording device capable of selecting a preferred write strategy from a plurality of write strategies for an optical disc. The optical disc contains a characteristic value. The method includes: reading the characteristic value from the optical disc; selecting a first write strategy from the write strategies...

20060114785 - Content management device: The present invention provides a content management device manages not to reproduce a part of contents in output source/destination concurrently, and manages to reproduce the whole contents in the original sequence continuously. A content management device is a device for managing reproduction of content from the first medium for which...

20060114786 - Recording apparatus and method, recording medium, and program: A recording apparatus includes first identification means for identifying, in accordance with information read from a disk medium and related to a format of data recorded on the disk medium, the format defined from a purpose of the recorded data and a version of the format; storage means for storing...

20060114787 - Simultaneous playback and persistent storage of digital media content: Simultaneous playback and storage of digital media content is described. In one aspect, digital media content is stored by reading a first portion of the digital media content from a content storage and, while reading the first portion of the digital media content from the content storage, copying the first...

20060114788 - Optical disc apparatus and synchronous clock generation method of optical disc apparatus: An optical disc apparatus includes a plurality of phase-locked loops for outputting a signal corresponding to a synchronous clock that is generated based on a wobble formed in an optical disc, a selector for selecting and outputting one of outputs from the plurality of phase-locked loops, and a synchronous clock...

20060114789 - Recording medium storing link information and apparatus and method for linking data: An optical recording medium storing information for regarding data in the current sector as data in a linking loss area, and an apparatus and method providing linking data. The data link method includes dividing an error correction code block having a predetermined size into a plurality of sectors and checking...

20060114790 - Fabrication of digital media using masking and electron or ion exposure technology: A system and method for writing data to an optical medium includes positioning a mask over a medium, and directing electrons or ions from an electron or ion source at the mask, the electrons or ions passing through apertures in the mask and onto the optical medium for creating surface...

20060114791 - Ultra-high data density optical media system: A system and corresponding method for reading an optical medium by reading different wavelengths of light as it reflects off of the medium. The system includes a light source for emitting light at an optical medium having features representing data, the features on the optical medium causing variations in the...

20060114792 - Hologram recording medium and hologram record-reproduction device: A disk-type hologram recording medium and a hologram recording and reproduction device utilizing such a recording medium are provided. The hologram recording and reproduction device includes a spatial optical modulator provided with a plurality of optical elements arranged in a grid-like form. These optical elements are divided into groups each...

20060114796 - Method of optical element and objective lens: A method of designing an optical element to be used for an optical system in which each of a plurality of light beams having different design wavelengths passes through the optical element is provided. The method includes determining at least two types of optical path difference functions including first and...

20060114795 - Optical disk drive: An optical disk drive is designed to read and/or write data from/on a spiral string of tracks where land and groove tracks are alternated. The drive includes: a light source for radiating a light beam; a lens for converging the light beam; a mechanism for moving the lens; a photodetector...

20060114793 - Optical disk unit and aberration correcting method used for this: An optical disk unit capable of correcting a spherical aberration without using special patterns is provided. Also provided is an aberration correcting method used for such an optical disk unit. An objective lens 7 is moved along an optical axis by a predetermined distance from an in-focus position in a...

20060114794 - Optical pickup device and focus control method therefor: An optical pickup device comprises a first laser light source and a second laser light source that emit first laser light and second laser light, respectively, and further comprises an objective lens that receives the first and second laser light. The first laser light and the second laser light have...

20060114797 - Optical pickup device with variable refractive index: Disclosed is an optical pickup device having a variable refractive index, comprising a radiating element for radiating light beams; an objective lens for focusing the light beams onto an optical disc; a photodetector for receiving light beams reflected from the optical disc; and a variable refractive index element, connected to...

20060114798 - Optical pickup device, information reproduction/recording apparatus, and information processing apparatus: The present invention provides an optical pickup device that is resistant to noise in a signal or an RF signal outputted from each light receiving member. Current signals outputted from the light receiving members are converted into voltage signals by I/V converters. The voltage signals are then added up by...

20060114799 - Dual-stack optical data storage medium and use of such medium: A dual-stack optical data storage medium (10) for recording using a focused radiation beam (9) having a wavelength λ is described The beam enters through an entrance face (8) of the medium (10) during recording. The medium comprises at least one substrate (1, 7) with present on a side thereof...

20060114802 - Archive media: An optical medium having a substrate having a data track thereon being readable with an optical reader. The substrate is constructed of a corrosion-resistant material that does not substantially deteriorate over a period of one hundred years. No material covers the data track. An optical medium according to another embodiment...

20060114800 - Information recording medium, information recording device and method, information reproduction device and method, information recording/reproduction device and method, computer program for controlling recording or reproduction, and data structure includi: A series of content information; menu information, which is to be displayed with the content information during reproduction of the content information; and play list information for defining reproduction sequence of the content information by a unit of item, which constitutes the content information and which is accessible upon reproducing,...

20060114806 - Information storage medium: An information storage medium as an example of this invention includes a recording layer formed by a dye material having a predetermined sensitivity level or more to both a light beam having a first waveband and a light beam having a second waveband shorter than the first waveband. The recording...

20060114803 - Information storage medium, stamper, disc apparatus, and management information playback method: An information storage medium according to an embodiment of the invention includes a concentric management information area. The management information area has a plurality of bar-like patterns in a circumferential direction which include an aggregate of a plurality of grooves or marks aligned in a radial direction. The plurality of...

20060114807 - Information storage medium, stamper, disc apparatus, and management information playback method: According to this invention, a disc-like information storage medium has a concentric management information area and a concentric data area. The management information area includes a plurality of grooves aligned in a radial direction, a dye material applied to the plurality of grooves, and a plurality of bar-like patterns formed...

20060114809 - Optical disc and recording/reproduction device: An optical disc has a recording structure consisting of an ROM section and an RAM section which are preferable for multiplexing recording/reproduction of music information and the like On the optical disc, the ROM section where information has been recorded by a phase pit using the light reflectance and the...

20060114808 - Optical disc, optical disc apparatus, and optical disc reproducing method: A single disc is configured to deal with both HD DVD information and DVD information. This invention has the following basic elements (1) a single-sided dual layer optical disc where a light transmission layer, a first recording layer accessed with a first laser beam, an space layer, and a second...

20060114804 - Optical information recording medium: An optical information recording medium includes: a substrate having a pre-groove formed thereon; an optical recording layer containing a dye; and a light reflecting layer. The medium has a ratio of a modulation degree at a maximum recording speed to a modulation degree at a minimum recording speed, which is...

20060114805 - Optical recording medium and a method for testing the same: An optical recording medium and a method for testing that optical recording medium are provided, which can prevent degradation of a reproduction signal in the case where the optical recording medium is stored at a high temperature for a long time, which enables stable recording and reproduction of data before...

20060114801 - Storage medium: The invention relates to a storage medium for storing information/data, wherein the storage medium comprises a dielectric storage material, more particularly a disk-shaped storage material on which a metal ion donor medium is arranged or can be applied on at least one side thereof. Metal ions can be transferred from...

20060114810 - Information recording medium information recording method and information recording/reproduction system: An information recording medium including a plurality of sectors of the present invention includes: a first spare area including a spare sector for replacing a defective sector among the plurality of sectors; a defect management information area for managing the replacement of the defective sector by the spare sector; and...