Dynamic information storage or retrieval inventions 03/06

20060067170 - Optical disk medium and method and apparatus for reading information: An optical disk medium includes a track groove thereon. On the optical disk medium, information is recorded along the track groove on a block unit basis. The block unit has a predetermined length. The block unit having the predetermined length includes a number of sub-blocks that are arranged along the...

20060067173 - Annunciator and dynamically maintained play list for a juke box that plays digital audio files: The present invention is a user interface for a juke box capable of playing digital audio files. The improved user interface uses an annunciator to illuminate track selection keys. Those track selection keys that are actuated to enter an access code associated with a song title are illuminated by the...

20060067171 - Folder indexing method for quickly accessing media files: The present invention is a folder indexing method that defines a format for storage and playback of digital audio files to support a specialized song selection access method. Access codes used to select media files for playback of music in a digital audio player, such as a juke box, are...

20060067172 - Sound effects method for masking delay in a digital audio player: The present invention is a method for enhancing playback of digital audio data by playing sound effects stored in a digital audio player's memory. The sound effects are preferably loaded into a playback memory just before an MPU of the player starts to perform a task that normally results in...

20060067174 - Optical disk drive for compensating wobble signal and method thereof: An optical disk drive for compensating wobble signal and the method thereof. The compensating method is used in an optical pick-up head and a servo controller. The optical pick-up head includes a laser diode and a photo detectors. Firstly, the laser diode emits a beam focused on an optical disc...

20060067175 - Optical disk drive for compensating wobble signal and method thereof: An optical disk drive for compensating wobble signal and the method thereof. The compensating method is used in a servo controller and an optical pick-up head. The optical pick-up head includes a laser diode, a photo detector and an objective lens. The servo controller includes an auto gain controller. Firstly,...

20060067176 - Optical recording apparatus and method for searching data recording locations by controlling tracking level: There is provided an optical recording apparatus for recording data on an optical disk. The optical recording apparatus includes: an optical pickup unit which emits an optical signal to a predetermined track on an optical disk and detects reflection light; an optical pickup controller which controls a location of the...

20060067177 - Tilt compensation method for optical recording/reproducing apparatus: A tilt compensation method of an optical recording/reproducing apparatus calculates a center of curvature of a disk surface where an optical pick-up is located, and de-tracks the optical pick-up to align the center of curvature with a center of the optical pick-up such that a tilt compensation by mechanical structure...

20060067178 - Optical pickup device: In an optical pickup device of the present invention, return light from an optical disk is diffracted by a diffraction element divided into two or more regions, and while a first light-receiving section receiving plus 1st-order diffracted light having passed through the first region of the diffraction element is provided...

20060067182 - Apparatus for assigning spare areas for defect management and apparatus for handling fragmented ecc blocks: A recording medium having a spare area for defect management, and a method and apparatus for allocating and assigning the spare area. A plurality of zones are formed as one group without prescribing the relationship between a zone and a group. Spare areas include a spare area for slipping replacement...

20060067183 - Method and apparatus for initializing optical: A method and apparatus for initializing optical recording media is provided that detects the intensity of a reflective light off of an optical recording media and analyzes the initializing condition based on the detected intensity during an initializing process. The light is radiated on a rotating phase-change optical recording medium....

20060067184 - Method and apparatus for recording and reproducing information on and from optical disc: An apparatus for recording and reproducing an information signal on and from an optical disc includes a memory. The information signal is written into the memory. The information signal is read out from the memory. An optical head generates a laser beam in response to the readout information signal, and...

20060067185 - Method and apparatus for recording and reproducing information on and from optical disc: An apparatus for recording and reproducing an information signal on and from an optical disc includes a memory. The information signal is written into the memory. The information signal is read out from the memory. An optical head generates a laser beam in response to the readout information signal, and...

20060067179 - Optical information recording device and optical information reproduction device: The present invention comprises a light source 103, a deflection element 109 for changing the traveling direction of light emitted from the light source, a means 113 for generating information light holding information using light of which the traveling direction has been changed by the deflection element, a means 113...

20060067181 - Recording medium for storing linking type information and method of processing defective area using the same: A recording medium storing information indicating that linking is applied immediately after the defective area, distinguishing a linking type which occurs in a general incremental recording mode from a linking type which occurs after the defective area. Defective areas are detected and registered in a predetermined area (recording management data...

20060067180 - Write once disc allowing management of data area, method of managing the data area, and apparatus and method for reproducing data from write once disc: A write once disc allowing management of a data area, includes a lead-in zone, a data area, and a lead-out zone. The write once disc includes a predetermined area storing area allocation information which indicates whether at least one section of the data area is allocated for disc defect management....

20060067187 - Optical disc with identification tag: An optical disc with an identification tag is provided. The identification tag is an Radio Frequency Identification (RFID) tag provided on the outer rim of the optical disc for storing identification information related to the optical disc, thereby when a plurality of optical discs are packed in a stack, identification...

20060067188 - Data recording/reproducing system using optical disk apparatus: A DVD recorder system having a sleep state. When a predetermined period of a non-operation state has elapsed, a key controller switches the state of a power source circuit to interrupt voltage supply, thereby causing the system to shift to the sleep state. In this state, when a signal is...

20060067189 - Recording control apparatus, recording and reproduction apparatus, and recording control method: A recording control apparatus includes a waveform rectification section for receiving a digital signal generated from an analog signal representing information reproduced from an information recording medium, and rectifying a waveform of the digital signal; a maximum likelihood decoding section for performing maximum likelihood decoding of the digital signal having...

20060067190 - Writing method for optical disc, processing method for information, optical disc apparatus, and information processing apparatus: A writing method for an optical disc to optimize a writing speed, wherein a spiral track on the optical disc is divided into a plurality of zones, and different CLV writing speeds are used for performing a ZCLV writing to the zones respectively. The writing method comprises steps of: setting...

20060067186 - Information recording and/or reproducing apparatus, information recording and/or reproducing method, and phase-change recording medium for use in the apparatus and the methods: An information recording apparatus for recording multi-leveled information in a phase-change recording medium by the application of a laser beam thereto by modifying a power level of the laser beam into two or more power levels so as to correspond to the multi-leveled information to be recorded, and setting a...

20060067192 - Data assurance method for optical storage media and optical storage device: A data assurance method controls an optical head according to the difference between the device temperature and the temperature of inserted removable optical storage media. A rate of temperature change c is calculated from the output of a temperature sensor which detects the device temperature, and then the temperature of...

20060067191 - Method and apparatus of identifying disc types: Embodiments of a method and apparatus of identifying optical disk types according to the present invention can identify the type of an optical disk (e.g., DVD-RAM, DVD-RAM, or DVD±RW) based on comparisons between a plurality of signals. For example, comparisons between the magnitudes of DPD and DPP tracking error signals...

20060067193 - Information recording device, information recording method, information recording program, and recording medium: In an information recording device and method, user data are recorded in a recording medium having two or more recording layers and having a data area in which user data is recordable for each recording layer. A closing command is received after recording of user data in the data area...

20060067194 - Device and method for recording information enabling reduced response time of a recording device: A method and device for recording multiple information volumes on a record carrier, usually called multi-session recording, has a mapping unit (31) for opening a session by recording intro data including a first buffer zone at the beginning of the start zone of the volume, and a session control block...

20060067195 - Holographic digital data storage system: In a holographic digital data storage system, a light source generates a reference beam, a holographic optical element saves a plurality of interference patterns between the reference beam and a plurality of beams of specific sizes and a beam splitter splits each reproduced beam into a holographic signal beam and...

20060067196 - Optical pickup and optical disk drive using same: Spherical aberration, astigmatism and coma can be corrected by a single liquid-crystal optical element, the electrode patterns in the optical element can be simplified, and the optical element can be controlled in a simple manner. The present invention provides an optical pickup including a light source to emit a light...

20060067198 - Information recording method for recording multi-value data in optimum recording condition: An information recording method that obtains optimum recording conditions for recording multi-value data m on a recording medium includes recording a test pattern in a trial writing area of the recording medium by changing a recording power Pw and an erasing power Pe consecutively while maintaining a constant ratio between...

20060067197 - Method of recording information on optical recording medium, and information recording and reproducing apparatus: An information recording method enables the precise formation of a recording mark on a recording layer having a high light transmittance such as an L1 layer of a double-layered optical recording medium. The information recording method uses the following recording strategy. A laser beam is pulse-modulated so as to create...

20060067199 - Laser diode module multi-layer board and laser diode module: A light emitting/receiving unit including a laser diode (LD) and a light receiving element, and an LD protection component for protecting the LD from electric damages are mounted on a multi-layer board for integration into a single module. A circuit for superposing a high-frequency current on an LD driving signal,...

20060067200 - Apparatus for manufacturing information record medium, information record medium, information recording apparatus and information recording method: On an information record medium (10, 11), record information can be recorded one time or a plurality of times by a predetermined record format. An apparatus for manufacturing the information record medium by using a stamper (27, 28) is provided with an embossed pit array forming device (20 to 26,...

20060067201 - Single-base dvd: A single-base DVD has a disk base and a recording layer. The disk base composed of polycarbonate is 0.6 millimeter (mm) thick and has a center, two faces, an edge, a centering hole, an outer flange and an inner flange. The centering hole is in the center of the disk...

20060067203 - Optical recording medium and method of manufacturing thereof, and recording and reproducing method: An object is to provide an optical recording medium which can obtain a sufficient focusing characteristic even at recording speeds at which a recording linear velocity exceeds 4× speed at the same capacity as a DVD-ROM, and which can suppress in-plane fluctuations of the degree of modulation, and which enables...

20060067202 - Optical recording medium, its production method, and recording method of the optical recording medium: A hybrid optical recording medium is provided with a ROM portion dedicated to reproduction and a recordable portion in which writing is possible. In one embodiment, a dual-layer optical recording medium is disclosed. First and second substrates form the dual-layer medium with an inorganic protective layer interposed therebetween....

20060067204 - Objective lens and scanning device using such an objective lens: The invention relates to an objective lens and an optical device for scanning different information carriers having different cover layer thicknesses, with different numerical apertures. The objective lens (10, 20) comprises at least an annular part (101, 201) having a first numerical aperture and a central part (102, 203) having...

20060056276 - Optical head and apparatus for optical disk: In the past there has been a problem that on a detection surface the influence of interference causes a defocusing signal to degrade, narrowing the range in which spherical aberration can be stably detected. Accordingly, a diffraction grating is used to focus the inner and outer sides of luminous flux...

20060056277 - Optical recording medium base on a tellurium and zinc alloy: The optical recording medium comprises an active layer made of inorganic material, presenting a front face for receiving an optical radiation during writing operations, and a rear face. The inorganic material is a tellurium and zinc alloy comprising an atomic percentage of between 60% and 70% of zinc and between...

20060050619 - Optical information storage medium and method of and apparatus for recording data thereon: An optical information storage medium and a method of recording thereon. The optical information storage medium has a lead-in area, a user data area and a lead-out area, and data indicating a maximum and/or a minimum writing speed, maximum and minimum writing speeds, or compatible writing speeds is recorded in...

20060050620 - Optical scanning device: A method of scanning an optical recording medium having data storage regions arranged in generally concentrically arrange track sections therein, the method comprising rotating the optical recording medium such that the disk moves in a spinning direction (S) with respect to a scanning spot, and maintaining tracking in a radial...

20060050621 - Optical scanning device: An optical scanning device 1 detects an information signal from an optical record carrier 2 using differential interference contrast. Two radiation beams 13a, 13b are generated and focused to two distinct spots 15a, 15b respectively displaced along a data track on the information layer of an optical record carrier. The...

20060050622 - Recording medium, host device, and data processing method: A semiconductor recording medium holds an open flag showing presence or absence of consistency between content data stored in a data storage section and file system management information, in a system region not directly accessible from a host device. Upon receipt of a write request or erase request to the...

20060044946 - Processing sheme for domain expansion rom media: The present invention relates to a domain expansion storage medium and processing method for processing a storage medium to obtain an improved readout performance. The magnetic properties of a storage layer (50) of the storage medium are altered by an ion beam projection lithography using a stencil mask to define...

20060044947 - Headrest type media player device: A headrest type media player device includes a liquid crystal panel, an indicator light, a card reader, a plug & play slot, a compact disk reader slot and a power cord. The card reader fixedly configured below the liquid crystal panel thereby displaying contents of data read. The card reader...

20060044948 - Portable disk player: A portable disk player capable of playing a disk while carrying, includes: a reproducing part for playing a disk; a battery for supplying power for each part; a main title detecting unit for detecting playing a main title recorded in the disk, wherein when a power-saving mode is set, the...

20060044950 - Data display method for digital storage devices: A data display method for digital storage devices implemented on a computer executable platform. The invention reads data through a dynamic setting of a Basic Input/Output System and a card read controller, and selectively displays the data on a display device without entering the operating system. This greatly improves the...

20060044953 - Electronic device displaying printed information of optical storage media: An electronic device capable of displaying printed information of optical storage media includes a host and an optical access device. The optical access device has a upper cap which has a display zone. The host has a confirmation window corresponding to the display zone such that users can directly see...

20060044951 - Method and system for displaying multiple media content instances during a single viewing session: A method and system for displaying multiple media content instances during a single viewing session. The method includes displaying a recorded program list graphical user interface (GUI) listing a number of recorded media content instances, selecting one of the recorded media content instances to be displayed on a display device,...

20060044952 - Multiple path illumination for image display systems: In one embodiment, a method for transmitting sources of light in an image display system includes generating a first plurality of light beams at a first light source. The first plurality of light beams are transmitted at a first illumination angle. A second plurality of light beams are generated at...

20060044949 - Network scan-to-removable storage media: A system and method are provided for storing network-scanned data in a removable storage medium. The method comprises: an imaging device providing scanned image data; sending the scanned image data to a host; at the host, composing a storage job build from the scanned image data; sending the built storage...

20060044955 - Apparatus, method, and computer program for processing information: An information processing apparatus includes an acquisition unit operable to acquire first information to be played back, and second information relating to a breakpoint candidate of the first information; a display control unit operable to control the playback of the first information; and a display speed control unit operable to...

20060044956 - Arrangement and method for reproducing audio data as well as computer program product for this: During the replaying of audio data (Ai) stored in memory means (19), which audio data (Ai) corresponds to text data (Ti) from a text composed of words, wherein the replaying of the audio data (Ai) in a forward mode and in a reverse mode can be controlled, starting from the...

20060044957 - Method and system for automatic cue sheet generation: A cue sheet generation system is used to compose a cue sheet for submission to PRS from an input EDL. The system parses the EDL to extract data relating to use of musical works associated with a PRS. The system employs both local and remote databases to retrieve information relating...

20060044954 - Disk device, and methods for checking, ejecting, and loading disk in disk device: A disk device includes a disk tray capable of accommodating disks by stacking; a first driving motor for transferring the disk tray in the disk-stacking direction; a driving unit including an optical head for reading out data recorded in the disks, and a supporting component for supporting the rotation of...

20060044958 - Probe position error detecting method and apparatus in probe-based data storage system: A probe position error detecting method and apparatus in a probe-based data storage system are provided. The method includes preparing servo codes, which are Gray codes. The Gray codes have a Hamming distance of 1 and satisfy alternate conditions for Q (a natural number) and Q+1, the conditions being based...

20060044959 - Apparatus for detecting physical marks from wobble signal and method thereof: An apparatus for detecting physical marks from a wobble signal includes a matching value operation unit, a threshold value generator and a physical mark indicator. A wobble signal is converted into a matched signal by the matching value operation unit according to the waveform difference between a normal clock signal...

20060044960 - Apparatus for detecting physical marks from wobble signal and method thereof: An apparatus for detecting physical marks from a wobble signal includes a matching value operation unit, a threshold value generator and a physical mark indicator. A wobble signal is converted into a matched signal by the matching value operation unit according to the waveform difference between a normal clock signal...

20060044961 - Optical disc storage systems and methods utilizing frequency predictive wobble signal detection: A wobble signal for an optical storage device is generated by adjusting a center frequency (ω0) of a band pass filter based on an expected frequency of the wobble signal and/or an estimated position of a pick-up apparatus and filtering an input signal corresponding to the wobble signal from the...

20060044963 - Information disc recording/playback apparatus, and vibration detection method for information disc recording/playback apparatus: The present invention provides an information disc recording/playback apparatus which includes a track cross detection means (112), a track cross direction detection means (113), a rotation angle detection means (114), and a count means (115), detects the track pitch of a disc, evaluates the vibration amount, or vibration speed, or...

20060044962 - Optical disc tracking control device, tracking control method, and tracking control program: A tracking control apparatus for stable tracking lead-in of an optical disc which has wobble grooves as tracks, including: a signal detection unit that detects tracking error and wobble signals from an optical spot; a speed detection unit that calculates a relative moving speed between the optical spot and the...

20060044964 - Method and apparatus for writing on an optical disk with beam spots aligned at an angle to data tracks: Data is written on a plurality of data tracks on an optical disk by a plurality of laser beams. The spots illuminated by the beams are spaced apart to prevent thermal interference. The spots are aligned along a line at an angle to the tangent of the data tracks. The...

20060044967 - Channel expansion communication system: In a channel expansion communication system for transmitting control data to remotely control a controlled object through a plurality of control channels which are allocated time-divisionally in one frame, the communication system includes an expansion encoder which forms expansion control channels corresponding to a plurality of the control data by...

20060044965 - Emergency recording on an information recording apparatus: The invention comprises an information recording apparatus (1) incorporating a memory device (3) having a defined quantity of storage space, and an interface (2) for use by a user in initiating the recordal of data onto the memory device (3), wherein a selected portion of the storage space of the...

20060044966 - Method of determining the type of an optical disc and a data recording and/or reproducing apparatus: A method of determining an optical disc type and a data recording and/or reproducing apparatus. The method of determining the type of an optical disc loaded in a data recording and/or reproducing apparatus includes reading optical disc type determination order stored in a memory included in the data recording and/or...

20060044970 - Disc player and method of reproducing information on disc: A disc player reproduces information in a plurality of blocks sequentially provided on a disc. The disc player includes an optical pickup reading the information recorded on the disc; an optical-pickup moving unit moving the optical pickup; and a controller controlling the optical pickup moving unit. When the optical pickup...

20060044969 - Dubbing apparatus: A dubbing apparatus to dub data managed per program like audio data such as a piece of music is provided. In the dubbing apparatus, for passing output data read from a CD through a CD drive for compression of the data and transferring the compressed data for recording to an...

20060044971 - Writing data to an optical disc: When writing data to an optic disc with a constant linear velocity, and encountering a disc error, data is written into the defect management area of the disc without changing the rotational speed of the disc, or at least without changing the rotational speed of the disc sufficiently to maintain...

20060044968 - Optical information recording method, optical information recording device and optical information recording medium: An optical information recording device includes a linear velocity setting circuit for setting a first linear velocity v1 and a second linear velocity v2 higher than the first linear velocity v1 for a optical information recording medium, a recording pulse generation circuit for generating a recording pulse signal, depending on...

20060044972 - Method and apparatus for optical disc pca search: Disclosed is a method for searching a boundary point between at least one recordable area for recording data and at least one non-recordable area of a Power Calibration Area (PCA) in an optical disc. According to the method, an optical disc drive moves to a first point in the PCA,...

20060044974 - Optical disc apparatus: To make it possible to write data onto an optical disc with an optimal laser power even when the data is written at a different write speed to the speed during OPC, the laser power of the reflected light is measured during formation of a pit on the recording surface...

20060044973 - Optical disc center error amplitude calibration: A method for calibrating a center error signal in an optical disc system, comprising the steps of (i) measuring a peak-to-peak value of the center error signal, (ii) computing a nominal peak-to-peak value of the center error signal after locking to a particular track of an optical disc, (iii) computing...

20060044978 - Defect management in disc reproducing/rewriting system: A defect detector in a data disc system includes a defect estimation unit and a defect length counter. The defect detector inputs a RF signal from a pick-up unit for generating a defect signal. The defect length counter interprets the defect signal using a wobble signal and a header position...

20060044977 - Protection device and method of a read and write medium apparatus: The present invention provides a protection device and method of a read and write medium apparatus. When the read and write medium apparatus is operating, the protection device detects the external force and dynamically compels to cut the power supply off to remain the apparatus in non-operating condition. Besides, after...

20060044979 - Recording medium, recording apparatus, reproduction apparatus, recording method and reproduction method: In a write-once media, by using a selected area such as an area starting from a postscript-recording point in the main data area as an alternate area, by determining whether or not an address specified in a request such as a write request is an address at which data has...

20060044976 - Optical disc playback apparatus: An optical disc playback apparatus having DTS sound incompatible function is provided, which apparatus is capable of automatically playing back the Dolby sound without selecting the Dolby sound in the menu setting, when an optical disc including the DTS content is played back. When the playback of the optical disc...

20060044975 - Recording reproducing method and recording reproducing device: A recording/reproducing apparatus is provided that is used by a plurality of users and simplifies file management in a storage medium in which many content items are stored. With the use of the recording/reproducing apparatus (1), when recording and reproducing contents on and from an optical disk D, recording and...

20060044980 - Recording/reproduction device, recording /reproduction method, recording/reproduction system, program thereof, and recording medium: A recording and replaying apparatus includes a drive controller which is connected to an optical disk drive and a disk information storage buffer which stores use conditions for an optical disk. When use conditions corresponding to identification information of the optical disk are stored in the disk information storage buffer,...

20060044981 - Laser cutting apparatus: A laser cutting apparatus capable of properly cutting a workpiece having a large thickness with a laser beam. The laser cutting apparatus includes a gas laser oscillator; and an optical system including a collective lens and transmitting and collecting a laser beam generated in the gas laser oscillator to irradiate...

20060044982 - Disc tray with stepped structure and disc drive having the same: A disc tray for receiving a disc having a rim non-recording portion is provided. The disc tray includes a first receiving portion and a first stepped structure. The first receiving portion is adapted for receiving the disc. The first stepped structure is arranged at a periphery of the receiving portion....

20060044985 - Creating a permanet structure with high spatial resolution: In a method of creating a permanent structure with high spatial resolution, a substance which may be modified by an optical signal is provided in a writing area. The optical signal is applied to the writing area in such a way that a spatially limited partial area of the writing...

20060044984 - File switching apparatus and its switching method: A file switching apparatus comprises a file name storage unit for storing a name of file having been used up to a file switching time; two storage units, being two file contents storage units, comprising one storage unit in which contents of file used up to this time are copied...

20060044983 - Hybrid cantilever and tip: A storage device having a read/write mechanism including a cantilever portion. The cantilever portion includes a non-single-crystal silicon body portion and a single crystal silicon tip....

20060044986 - Apparatus and method for recording an information on a recordable optical record carrier using oval spot profile: To obtain a higher recording density, and thus higher data capacity, it is proposed according to the present invention to reduce the numerical aperture of the optical means (3, 4) in the direction orthogonal to the information recording direction, which is the radial direction for an optical disc, during recording...

20060044988 - Equipment for the optical playback of analog phonographic records: This invention relates to equipment for the optical playback of sound media which includes resources (1) that has engraves grooves, (3, 9) for generating at least one light beam that presents a light spectrum variation according to its incidence angle on an area of the sound media and an image...

20060044987 - Optical spot displacement apparatus: Optical spot displacement apparatus comprises: a face that is divided into a plurality of columns; each column of the plurality including a predetermined number of prisms, the predetermined number of prisms of a same column configured within the corresponding column to displace at least one incident light beam a common...

20060044989 - Arrangement for reading an information carrier: Disclosed is an arrangement for reading an information carrier, comprising a read head for scanning the information carrier along a scanning path and thereby generating one or more electrical signals in response to a pattern recorded along the scanning path; a signal processing unit for processing the one or more...

20060044990 - Phase error detecting circuit and synchronization clock extraction circuit: In a phase error detecting circuit used in a synchronous clock extracting circuit for extracting a clock which is synchronized with reproduced data, a cross reference value generator 72 inputs, as a rising cross reference value S5, rising phase error data S3 calculated in a phase error calculator 71 to...

20060044993 - Coating composition, coating film, method of manufacturing coating film, and optical recording medium: is applied onto a surface of a protective film 11 and curing is carried out to form a hard coating layer 12. Even in the case that projections or foreign bodies are present on the surface of the protective film 11, the hard coating layer 12 can conceal these and...

20060044994 - Definition of signal for record medium taking into account record status of adjacent layer: In an optical information record medium including a plurality of record layers that are recordable, various signal characteristics with respect to an area X in a record layer A (second layer) among the plurality of record layers are defined under a condition that an area Y in a record layer...

20060044991 - Information recording medium and method for manufacturing the same: An information recording medium of the present invention includes a substrate and an information layer arranged on the substrate. The information layer includes a recording layer that is changed in phase reversibly between a crystalline phase and an amorphous phase by at least one of optical means and electrical means,...

20060044992 - Optical recording medium: An optical recording medium that is a DVD includes an ink receiving layer and a white underlayer on a label surface side of a disc body. Inner circumferential ends of a reflective layer in an information area, the ink receiving layer, and the white underlayer that are closer to a...

20060044995 - Multilayer optical disc having a recording stack type indicator: A multilayer record carrier of a writable type has a first recording layer (40) having a first recording stack (50,51) of a first type and a second recording layer (41) having a second recording stack (54,55) of a second type. The first and second recording stacks have different writing parameters....

20060044997 - Optical information recording medium, and substrate and manufacturing method for the optical information recording medium: In an optical disk including at least a rewritable phase change material and comprising a recording layer having a reflectivity of more than 15%, an address output value as an address pit signal component occupying in a reproduced signal in a non recording state is prescribed to be 0.18 though...

20060044996 - Optical recording medium and method for producing the same:

20060044998 - Information record medium, information record device and method, information reproduction device and method, information record/reproduction device and method, recording or reproduction control,computer program and data structure including a control signa: On an information recode medium, a whole stream containing a plurality of partial streams each consisting of content information including still picture information is multiplexed and recorded on packet basis. The information record medium includes a file for storing object data consisting of a plurality of packets each containing a...

20060044999 - Information recording medium, driving apparatus for the same and method for recording secondary information of information recording medium: An information-recording medium is provided, which comprises a logical block recorded with secondary information and including an address information area, wherein the secondary information is recorded by inverting the phase of a fixed pattern including, for example, a synchronization signal or a resynchronization signal recorded in the logical block. Those...