Dynamic information storage or retrieval inventions 09/06

20060209639 - Scanner for optical storage media: The present invention relates to a scanner for optical storage media, and to an appliance for reading from and/or writing to optical storage media which uses a scanner such as this. The invention proposes a scanner for optical storage media, having an objective lens which is mounted in a lens...

20060209640 - Method for dividing user storage space of an optical disc, optical disc having divided storage space, and method and device for storing information: A method is described for writing an optical disc (2) having a user storage space (USS). The method comprising the steps of dividing the storage space of an optical disc (2) into, on the one hand, one or more sections (80; 181, 182, 183, 184) where an application is allowed...

20060209641 - Portable media player control panel relocator: A control panel relocator device for use with a portable media player that has a built in control panel on a front surface of the device but does not have controls on a top surface. The control panel relocator has a main body portion with an upper surface and a...

20060209642 - Transportation device and compact disc processing system using the same: This invention discloses a transportation device for moving a compact disc comprising a moving arm, a screw bolt, and a guide track device. The moving arm has a first end, and the first end has a protrusive section located on a peripheral surface thereof. The screw bolt is screwed through...

20060209644 - Objective lens, optical pickup apparatus and optical information recording and/ or reproducing apparatus: An objective lens according to the present invention is an objective lens used for an optical pickup apparatus, and the objective lens includes a superimposed structure on a surface of a lens with a power in which a first optical path difference providing structure changing spherical aberration in under-corrected direction...

20060209643 - Optical scanning device: The invention relates to an optical scanning device and to an optical wavefront modifier for use therein, for scanning an optical record carrier, such as an optical disk comprising an information layer. The device comprises a radiation source (9) for emitting an incident radiation beam; a detection system comprising an...

20060209645 - Focusing control method for reading/writing optical disc: A label pattern can be created on a label side of an optical disc under well focus control. An optical disc is first loaded in an optical disc drive with the label side thereof facing to an optical head of the optical disc drive. Then, the optical head is actuated...

20060209646 - Optical disc controller: The present invention provides an optical disk control device that can perform focus pulling in a short time for a target information surface of an optical disk having a plurality of information surfaces. An objective lens (23) is moved toward an optical disk (1) having a plurality of information surfaces...

20060209647 - Photo diode ic: A photodetector detecting reflected light components from an optical medium, the photodetector including a first detector divided into eight sections detecting the reflected light components and converting the light components into electrical signals, a first calculating portion calculating a first tracking error signal from the electrical signals by a differential...

20060209648 - Information recording media, a method for recording/reproducing information, an apparatus for recording/reproducing information: A method for determining layers in a recording medium having a plurality of layers for the recording and reproduction of information using light irradiation. Each of the plurality of layers includes an emboss portion and a wobble region having wobbles of a predetermined frequency. Layer determination is carried out based...

20060209649 - Dual-speed optical record carrier recording apparatus: The present invention relates to an optical record carrier recording apparatus and method for recording data on a phase-change optical record carrier (55) storing a state information about the location of crystalline and non-crystalline areas of the record carrier (55). In order to provide the possibility to write with different...

20060209650 - Method for controlling spindle in optical disc device: A method and apparatus for controlling a maximum rotational speed of a recording medium, are discussed. The method according to an embodiment of the present invention includes determining an imbalance error of the recording medium, and variably setting a maximum rotational speed of the recording medium based on the determined...

20060209651 - Optical information recording apparatus, apparatus and method for setting write strategy, and computer program therefor: An optical information recording apparatus, an apparatus and method for setting a write strategy, and a computer program therefor are provided. In the optical information recording apparatus, a write strategy corresponding to different linear velocities of an optical recording medium is set, and, based on the set write strategy, a...

20060209652 - Accessing a mixed-mode storage medium: A system and method is provided to access and structure a mixed-mode storage medium having both audio and data formats. The medium contents, including audio track and data file information, are read following disc presentation to a media player. The media player is initialized to prepare it to sequentially access...

20060209654 - Information recording method, information recording apparatus, information recording program and recording medium storing information recording program: An information recording apparatus and method can prevent an information recording medium having a plurality of recording layers from being incompatible with a reproduction-only information recording medium due to an unrecorded area, which is produced by completion of recording in a middle of a data area of the recording layer....

20060209653 - Optical data recording method and optical disc drive: An optical data writing method according to the present invention is designed to write user data optically on an optical disk by dividing the user data into a number of blocks, each being made up of a plurality of sectors, and by adding an error correction code to each block....

20060209655 - Focus servo apparatus: A focus servo apparatus which comprises an optical pickup having a power lens that changes an incidence angle of laser light incident on an objective lens and a power lens actuator that drives the power lens along an optical axis direction. In a focus search operation, the focus servo apparatus...

20060209656 - Method for determining a write type of a disc: A method for determining a write type of a disc includes determining whether the disc is a recordable disc or a re-writeable disc, determining whether a lead-in area of the disc comprises a program memory area or not when the disc is a recordable disc or a re-writeable disc, identifying...

20060209657 - Method and recording device for recording marks in an information layer of an optical record carrier: The invention relates to a method of recording marks in an information layer of a record carrier in which method a 2T write strategy is used. The invention further relates to a recording device capable of carrying out the method. This inventions provides a solution to the problem of how...

20060209658 - Optical recording medium and method of recording to the same: To provide a method of recording information to an optical recording medium comprising recording a mark of time length nT (n: natural number of 3 or more, T: clock cycle) in an optical recording medium capable of supporting different recording speeds and having constant information line density, and irradiating the...

20060209659 - Laser diode driver, method of driving the laser diode driver, and method of initializing an optical recording and reproducing apparatus: A laser diode (LD) driver and method of compensating for a bias driving potential of an LD driver according to a change in a power level of a laser signal from an LD in a recording mode include storing the bias driving potential, detecting a change in a bias power...

20060209660 - Optical pickup device and optical disk drive using the same: An optical pickup device includes a light source unit an optical system which leads a return light beam to a predetermined light-receiving location and includes an object lens focusing each light beam from the light source unit to a recording surface of a corresponding storage medium and a photodetector arranged...

20060209661 - Pre-pit signal detector and optical disc recording/reproducing apparatus: A pre-pit signal detector has a first binarizing unit which converts RF data obtained by reading out information recorded by irradiating a laser light on an optical disc into first binary data composed of a mark and a space, a specific mark detector which detects a specific mark included in...

20060209662 - Disk chucking device: A disk-chucking device comprises a pressing member including a circular groove which is provided around a circumference of the clamp member, and a clamping member mounted on a turning plate for clasping the circular groove of the pressing member. The turning plate provides a through hole at the center thereof...

20060209663 - Amplitude modulated addressing in disk pregroove: In order to help maximize the capacity of an optical storage device, and increase the efficiency of addressing, a unique addressing scheme is utilized to provide addressing for an optical storage disk. Importantly, this scheme is compatible with multilayer disks and helps to minimize the potential for errors. In the...

20060209664 - Information recording medium: In an information recording medium comprising at least a substrate, a recording layer, and a resin layer, the substrate is formed with at least a pit corresponding to a read only area 31 and a groove corresponding to a recording/reproducing area 32 without overlapping with each other. A reflectivity of...

20060209665 - Multi-speed recordable information carrier: The invention relates to an information carrier comprising at least a first area (12) comprising a first recordable material having thermal properties suitable for writing at a first recording speed and a second area (13) comprising a second recordable material having thermal properties suitable for writing at a second recording...

20060203622 - Data processing system having data reproduction independent of data processing: High rate writing of data recorded on a CD into a hard disk drive (HDD) is performed while reproducing data read out of the CD at the standard bit rate prescribed for the CD. PCM data corresponding to a playback time of 10 seconds, for example, is read out of...

20060203623 - Optical disc: An optical disc includes a read-only area having a first wobble, which is a data wobble formed in the read-only area for only reading, a readable/writable area having a second wobble, which is different from the data wobble, and a connection area between the read-only area and the readable/writable area...

20060203624 - Optical disc: An optical disc includes a read-only area having a first wobble, which is a data wobble formed in the read-only area for only reading, a readable/writable area having a second wobble, which is different from the data wobble, and a connection area between the read-only area and the readable/writable area...

20060203625 - Optical disc: An optical disc includes a read-only area having a first wobble, which is a data wobble formed in the read-only area for only reading, a readable/writable area having a second wobble, which is different from the data wobble, and a connection area between the read-only area and the readable/writable area...

20060203626 - Optical disc: An optical disc includes a read-only area having a first wobble, which is a data wobble formed in the read-only area for only reading, a readable/writable area having a second wobble, which is different from the data wobble, and a connection area between the read-only area and the readable/writable area...

20060203627 - Autofocus actuator: An autofocus actuator includes a cover which is provided with elastic tabs in addition to protrusions to which a stopper attached to a holder with a lens unit abuts when the holder is excessively displaced by, for example, a fall of an electronic equipment provided with the autofocus actuator. The...

20060203629 - Information storage medium and method of recording and/or reproducing data on and/or from the same: An information storage medium and a method of recording data on and/or reproducing data from the information storage medium, includes an information storage medium having at least one information storage layer. Data is recorded in the form of protruding or indented pits in the entire or partial area of the...

20060203630 - Information storage medium and method of recording and/or reproducing data on and/or from the same: An information storage medium and a method of recording data on and/or reproducing data from the information storage medium, includes an information storage medium having at least one information storage layer. Data is recorded in the form of protruding or indented pits in the entire or partial area of the...

20060203628 - Optical pickup driving device and optical pickup focus pull-in method: In an optical pickup driving apparatus and method, a moving device is controlled when an objective lens is moved toward a recording surface and it is detected that the voltage of the focus error signal has reached a slice level voltage H corresponding to displacement of predetermined magnitude from a...

20060203631 - Land/groove track and pickup head movement direction detection: A detector is scanned across an optical storage medium having groove tracks and land tracks, each track having a wobble structure, to detect light reflected from the optical storage medium. A wobble signal and a tracking error signal are generated based on an output of the detector, and the wobble...

20060203632 - Method for adjusting mechanical error of optical disc reading device: The present invention provides a method for adjusting the mechanical error of an optical disc reading device. The optical disc reading device consists of a driving device and an optical pickup. The driving device has a base plate for supporting and rotating an optical disc. The method consists of moving...

20060203633 - Optical disk drive and correcting method for differential push-pull tracking error signals of the optical disk drive: The invention is disclosed a correcting method for differential push-pull(DPP) tracking error signals of an optical disk drive. A Step (A) divides a CD into a plurality of areas according to magnitudes of the peak values of the DPP tracking error signals, wherein the difference between every two DPP peak...

20060203635 - Disc with temporary disc definition structure (tdds) and temporary defect list (tdfl), and method of and apparatus for managing defect in the same: A disc with a temporary defect management information area and a defect management area includes a defect management area that is present in at least one of a lead-in area, a lead-out area, and an outer area, a temporary defect information area which is formed in the data area and...

20060203638 - Disc with temporary disc definition structure (tdds) and temporary defect list (tdfl), and method of and apparatus for managing defect in the same: A disc with a temporary defect management information area and a defect management area includes a defect management area that is present in at least one of a lead-in area, a lead-out area, and an outer area, a temporary defect information area which is formed in the data area and...

20060203634 - Method for real time recording/playback of data to/from an optical recording medium and method for managing files thereof: A method for recording or reproducing data to/from an optical recording medium, through an interface from the optical recording/reading device to a host device, includes receiving a real time write command from the host device if real time data is generated; determining the presence of a defective block listed on...

20060203636 - Method of and apparatus for managing disc defects in disc, and disc on which defects are managed: A method of and apparatus for managing disc defects in a disc using a temporary defect management area in the disc, and the disc, where the method includes recording in a data area user data; and recording in a temporary defect management area, which is present in at least one...

20060203637 - 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, a method of managing the data area of the write once disc, an apparatus recording data on the write once disc, an apparatus and method of reproducing data from a write once disc. The write once disc, includes a lead-in...

20060203639 - Reproducing apparatus, reproducing method, reproducing program, recording apparatus, recording method, and recording program: A reproducing apparatus is disclosed which includes a data input device configured to perform a data inputting process whereby either encoded data or the data obtained by decoding the encoded data is input as input data to a storage device, a data readout device configured to perform a data reading...

20060203640 - Apparatus for recording data with respect to information storage medium: A method of recording and/or reproducing data with respect to an information storage medium that includes a lead-in area, a user data area, and a lead-out area. Information about whether the information storage medium is compatible with a drive following an older version of standards is recorded in at least...

20060203641 - Recording clock generating apparatus for a data recording system: A recording clock generating apparatus for a data recording system includes a wobble signal sampler which samples a wobble signal, from wobble grooves of an optical disk. A first phase comparator provides a first phase-difference signal based on a difference in phase between the wobble signal and a first recording...

20060203643 - Optical disc and method of identifying recording layer: An optical disc in which a physical address of each smallest recording unit and a recorded address increase or decrease on first and second recording layers, and a method of identifying the recording layers. Embodiments are provided for discs having first and second recording layers with a same or an...

20060203642 - Optical information recording device, optical information recording method, and signal processing circuit: It is an object of the present invention to provide a recording condition closer to an optimum even for a medium unknown to a drive, and more particularly to provide a method especially effective when applied to code identification methods, such as PRML, wherein codes are identified based on amplitude...

20060203644 - Optical recording medium with different wobble characteristics between the user data area and the lead-out area: A method of recording on an optical recording medium having a user data area and a lead-out area, wherein the user data area and the lead-out area each has grooves and lands formed thereon. Wobbles are formed on at least one lateral surface of grooves of the user data area...

20060203647 - Apparatus and method for improving deviation of optimum power calibration (opc): A method of improving a problem of a deviation of an optimum recording optical power, which is capable of reducing deviation of OPC (Optical Power Calibration) power and shortening a Lead-in time by previously setting an area in which an OPC operation may be conducted and erasing the area with...

20060203645 - Apparatus and method of determining a power parameter for writing/erasing information on an optical medium: The invention relates to an apparatus and method of determining a value of a write/erase power parameter (Ptarget) for writing/erasing information on an optical recording medium by means of a radiation beam. The method is based on the curve-fitting of a function by a set of parameters a-b-c, said function...

20060203652 - Information storage medium: An information storage medium having a plurality of information storage layers, each of which includes an optimal power control (OPC) area for obtaining an optimal recording condition, wherein OPC areas in odd-numbered and even-numbered information storage layers are disposed not to face each other and not to contact each other,...

20060203653 - Information storage medium: An information storage medium having a plurality of information storage layers, each of which includes an optimal power control (OPC) area for obtaining an optimal recording condition, wherein OPC areas in odd-numbered and even-numbered information storage layers are disposed not to face each other and not to contact each other,...

20060203654 - Information storage medium: An information storage medium having a plurality of information storage layers, each of which includes an optimal power control (OPC) area for obtaining an optimal recording condition, wherein OPC areas in odd-numbered and even-numbered information storage layers are disposed not to face each other and not to contact each other,...

20060203655 - Information storage medium: An information storage medium having a plurality of information storage layers, each of which includes an optimal power control (OPC) area for obtaining an optimal recording condition. Optimal power control areas in odd-numbered and even-numbered information storage layers viewed from a direction in which light is incident upon the information...

20060203658 - Information storage medium: An information storage medium having a plurality of information storage layers, each of which includes an optimal power control (OPC) area for obtaining an optimal recording condition. Optimal power control areas in odd-numbered and even-numbered information storage layers viewed from a direction in which light is incident upon the information...

20060203656 - Information storage medium and method and apparatus for recording and/or reproducing data: An information storage medium and an apparatus for recording and/or reproducing the information storage medium capable of controlling optimal recording power without an influence of an optimal power control (OPC) area in a layer upon an OPC area in a different layer. The information storage medium includes at least one...

20060203657 - Information storage medium and method and apparatus for recording and/or reproducing data: An information storage medium and an apparatus for recording and/or reproducing the information storage medium capable of controlling optimal recording power without an influence of an optimal power control (OPC) area in a layer upon an OPC area in a different layer. The information storage medium includes at least one...

20060203659 - Information storage medium and method and apparatus for recording and/or reproducing data: An information storage medium and an apparatus for recording and/or reproducing the information storage medium capable of controlling optimal recording power without an influence of an optimal power control (OPC) area in a layer upon an OPC area in a different layer. The information storage medium includes at least one...

20060203648 - Information storage medium and method and apparatus for recording/reproducing data on/from the same: A method of recording data on an information storage medium including a plurality of recording layers, each having a user data area, on which data is recordable by a pickup. Data is recorded in the order of recording layers from a layer closest to the pickup to a layer farthest...

20060203649 - Information storage medium and method and apparatus for recording/reproducing data on/from the same: An information storage medium on which data is recorded after performing optimum power control (OPC) and a method and apparatus to record/reproduce data on/from the information storage medium, wherein the recordable information storage medium has a plurality of recording layers and a pickup irradiates a beam onto the information storage...

20060203650 - Information storage medium and method and apparatus for recording/reproducing data on/from the same: An information storage medium on which data is recorded after performing optimum power control (OPC) and a method and apparatus to record/reproduce data on/from the information storage medium, wherein the recordable information storage medium has a plurality of recording layers and a pickup irradiates a beam onto the information storage...

20060203651 - Information storage medium and method and apparatus for recording/reproducing data on/from the same: An information storage medium on which data is recorded after performing optimum power control (OPC) and a method and apparatus to record/reproduce data on/from the information storage medium, wherein the recordable information storage medium has a plurality of recording layers and a pickup irradiates a beam onto the information storage...

20060203646 - Optical information recording apparatus, optical information recording method, and signal processing circuit: An optical information recording apparatus corrects a recording condition for an optical medium having a difference in recording property between the inner and outer peripheries in real time. The optical information recording apparatus obtains an RF signal by using a playback sub beam and retrieves a portion of the RF...

20060203660 - Optical disc and method of identifying recording layer: An optical disc in which a physical address of each smallest recording unit and a recorded address increase or decrease on first and second recording layers, and a method of identifying the recording layers. Embodiments are provided for discs having first and second recording layers with a same or an...

20060203667 - Method and apparatus for managing defects in recording media, a computer readable medium including computer readable code for the same, and a defect managed recording medium obtained using the same method, apparatus, and computer readable medium: A method, apparatus and computer readable medium for managing recording medium defects and a defect managed recording medium. The recording medium includes a spare area in which a replacement area, which is a substitute for a defective area of the recording medium, is formed, and a temporary defect management area...

20060203668 - Disc with temporary disc definition structure (tdds) and temporary defect list (tdfl), and method of and apparatus for managing defect in the same: A disc with a temporary defect management information area and a defect management area includes a defect management area that is present in at least one of a lead-in area, a lead-out area, and an outer area, a temporary defect information area which is formed in the data area and...

20060203669 - Disc with temporary disc definition structure (tdds) and temporary defect list (tdfl), and method of and apparatus for managing defect in the same: A disc with a temporary defect management information area and a defect management area includes a defect management area that is present in at least one of a lead-in area, a lead-out area, and an outer area, a temporary defect information area which is formed in the data area and...

20060203670 - Disc with temporary disc definition structure (tdds) and temporary defect list (tdfl), and method of and apparatus for managing defect in the same: A disc with a temporary defect management information area and a defect management area includes a defect management area that is present in at least one of a lead-in area, a lead-out area, and an outer area, a temporary defect information area which is formed in the data area and...

20060203663 - Information storage medium and method and system for recording data on the same: A recordable information storage medium having a plurality of information recording layers, where each of the information recording layers of the recordable information storage medium has a plurality of information recording layers each including a lead-in area, a user data area, a lead-out area, and a dedicated area for a...

20060203664 - Information storage medium and method and system for recording data on the same: A recordable information storage medium having a plurality of information recording layers, where each of the information recording layers of the recordable information storage medium has a plurality of information recording layers each including a lead-in area, a user data area, a lead-out area, and a dedicated area for a...

20060203665 - Information storage medium and method and system for recording data on the same: A recordable information storage medium having a plurality of information recording layers, where each of the information recording layers of the recordable information storage medium has a plurality of information recording layers each including a lead-in area, a user data area, a lead-out area, and a dedicated area for a...

20060203662 - 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...

20060203661 - Rewritable media and management methods thereof: Rewritable media, and management methods thereof. A rewritable medium comprises an application. When the rewritable medium is read by a device, the application is executed on the device, and writes data from the device to the rewritable medium, overwriting the application on the rewritable medium....

20060203671 - Optical disc having plurality of recording layers, and method and apparatus for recording data thereon: Provided are an optical disc having a plurality of recording layers, and a method and apparatus for recording data thereon. The optical disc has a plurality of recording layers, each recording layer including: a data area; a connecting area; and a remaining area. The data, connecting, and remaining areas are...

20060203672 - Optical disc having plurality of recording layers, and method and apparatus for recording data thereon: Provided are an optical disc having a plurality of recording layers, and a method and apparatus for recording data thereon. The optical disc has a plurality of recording layers, each recording layer including: a data area; a connecting area; and a remaining area. The data, connecting, and remaining areas are...

20060203666 - Optical storage device rotation speed control apparatus and method: A method for controlling the rotation speed of an optical storage device. In the first mode, a first signal is produced, and in the second mode, a second signal is produced. In one mode, a first pulse of a first voltage and a second pulse of a second voltage are...

20060203673 - Method and apparatus for managing defects in recording media, a computer readable medium including computer readable code for the same, and a defect managed recording medium obtained using the same method, apparatus, and computer readable medium: A method, apparatus and computer readable medium for managing recording medium defects and a defect managed recording medium. The recording medium includes a spare area in which a replacement area, which is a substitute for a defective area of the recording medium, is formed, and a temporary defect management area...

20060203677 - Adaptive writing method for high-density optical recording apparatus and circuit thereof: An adaptive writing method of a high-density optical recording apparatus and a circuit thereof. The circuit includes a discriminator for discriminating a magnitude of a present mark of input NRZI data and magnitudes of leading and/or trailing spaces of the input NRZI data, a generator for controlling the waveform of...

20060203676 - Method of and apparatus for recording data on optical recording medium: A method of and apparatus for recording data on an optical recording medium form a mark or a space by using a recording waveform having an erase pattern containing a multi-pulse. The method and the apparatus prevent distortion of the mark or the space and improve a mark shape such...

20060203674 - Record carrier, device and method for correcting signed deviation: A device for recording information in a track on a record carrier writes and reads marks and spaces each having a nominal run length. The device has a detection unit (32) for generating a signed deviation value signal (34) indicative for a position deviation of a starting edge of a...

20060203675 - Recording and reproducing method for dye-based recordable dvd medium and apparatus for the same: To provide a recording and reproducing method for dye-based recordable DVD media, including: recording a mark of the shortest length on a dye-containing recording layer of a dye-based recordable DVD medium using single pulse whose front edge is energized; recording marks other than the shortest thereon using single pulse whose...

20060203678 - Method and device for recording optical data: There is provided a method and a device for recording optical data able to improve recording power setting during recording by means of PWM with a small number of pulses. During the test recording, using a period of a recording channel clock Tw as the minimum unit, marks having different...

20060203679 - Signal quality evaluation method, information recording/reproducing system, and recording compensation method: Signal quality evaluation is performed using a predetermined reproduction signal, a first pattern corresponding to a signal waveform pattern of the reproduction signal, and a given pattern corresponding to the signal waveform pattern of the reproduction signal and being different from the first pattern....

20060203680 - Multilayer recording medium and method of manufacturing the same: A multilayer recording medium that prevents deterioration of a signal characteristic due to a mirror effect that may occur between recording layers and a method of manufacturing the same, the multilayer recording medium having at least two recording layers, wherein a thickness of at least one spacer layer between adjacent...

20060203687 - Apparatus for recording data on and/or reproducing data from optical disc: An optical disc on which data is recorded and/or from which the data is reproduced, includes a recording area where the data is recorded in at least one physical cluster, a defective area, where a defect that prevents a recording and/or reproduction of data is present, provided in the recording...

20060203684 - Disc with temporary disc definition structure (tdds) and temporary defect list (tdfl), and method of and apparatus for managing defect in the same: A disc with a temporary defect management information area and a defect management area includes a defect management area that is present in at least one of a lead-in area, a lead-out area, and an outer area, a temporary defect information area which is formed in the data area and...

20060203685 - Method of and apparatus for managing disc defects in disc, and disc on which defects are managed: A method of and apparatus for managing disc defects in a disc using a temporary defect management area in the disc, and the disc, where the method includes recording in a data area user data; and recording in a temporary defect management area, which is present in at least one...

20060203681 - Method of and apparatus for managing disc defects using temporary defect management information (tdfl) and temporary defect management information (tdds), and disc having the tdfl and tdds: A disc having an updatable defect management area used by an apparatus for managing defects on the disc, the disc including a user data area which includes user data, a spare area that is a substitute area for a defect existing in the user data area, and an area in...

20060203682 - Method of and apparatus for managing disc defects using temporary defect management information (tdfl) and temporary defect management information (tdds), and disc having the tdfl and tdds: A disc having an updatable defect management area used by an apparatus for managing defects on the disc, the disc including a user data area which includes user data, a spare area that is a substitute area for a defect existing in the user data area, and an area in...

20060203683 - Method of and apparatus for managing disc defects using temporary defect management information (tdfl) and temporary defect management information (tdds), and disc having the tdfl and tdds: A disc having an updatable defect management area used by an apparatus for managing defects on the disc, the disc including a user data area which includes user data, a spare area that is a substitute area for a defect existing in the user data area, and an area in...

20060203688 - Method of and drive for recording medium defect management and defect managed recording medium: A method of and drive for recording medium defect management, and a defect managed recording medium. The defect management method includes: writing first state information that specifies that an update cycle of a temporary defect management structure (TDMS) is open when updating of the TDMS begins, the TDMS containing information...

20060203686 - Method of and drive for recording medium defect management, and defect managed recording medium: A method of and drive for recording medium defect management, and a defect managed recording medium. The defect management method includes: writing first state information that specifies that an update cycle of a temporary defect management structure (TDMS) is open when updating of the TDMS begins, the TDMS containing information...

20060203690 - Recording and reproducing apparatus: A recording and reproducing apparatus according to the present invention includes a light source for emitting a light beam, a spatial modulating part for modulating the light beam to create information light, using spatial information associated with page data A to be recorded on a holographic recording medium, an optical-path...

20060203689 - Reproducing apparatus, recording/reproducing apparatus and reproducing method for optical recording medium: A reproducing apparatus for an optical recording medium, comprising: a reference beam irradiator for irradiating an optical recording medium on which information is recorded by holography with a reference beam to generate a reproduction beam; a two-dimensional image pickup device capable of being partially read, which receives the reproduction beam;...

20060203691 - Optical pickup for an optical recording and/or reproducing apparatus: An optical pickup of an optical recording and reproducing apparatus includes a plurality of object lenses used to record and or reproduce information from/to various types of optical recording media of different recording densities; an actuator driving the object lenses in a focusing direction and supporting the object lenses to...

20060203692 - Optical pickup apparatus and objective optical unit: An optical pickup apparatus includes: a first light source for emitting a first light flux; a second light source for emitting a second light flux; a third light source for emitting a third light flux; and an objective optical unit having a first optical path difference providing structure and a...

20060203694 - Information recording and reproducing apparatus: An information recording and reproducing apparatus is disclosed. The apparatus includes a running power controlling and recording unit and an interval adjusting unit which adjusts an interval for performing running power control and makes a suitable ROPC operation possible even if conditions for recording information are changed. When data recording...

20060203693 - Optical disc apparatus and method of erasing information recorded thereon: In an optical disc apparatus, before the information already existing on an optical disc is erased, the information recorded in a user data area of the optical disc is test-erased with laser light of previously set erasing power first, then after test recording of information in the user date area...

20060203695 - Tone arm magnetic stabilization and damping system: A unipivot tone arm assembly wherein the tone arm is supported by a single point is balanced in such a way as to have neutral stability providing constant tracking force over the peaks and valleys of phonograph records. Lateral stability lacking in a neutral balanced unipivot tone arm is provided...

20060203697 - Adaptive writing method for high-density optical recording apparatus and circuit thereof: An adaptive writing method of a high-density optical recording apparatus and a circuit thereof. The circuit includes a discriminator for discriminating a magnitude of a present mark of input NRZI data and magnitudes of leading and/or trailing spaces of the input NRZI data, a generator for controlling the waveform of...

20060203698 - Information recording medium: In an information recording medium comprising at least a substrate, a recording layer, and a resin layer, the substrate is formed with at least a pit corresponding to a read only area 31 and a groove corresponding to a recording/reproducing area 32 without overlapping with each other. A reflectivity of...

20060203700 - Method and system for optical disk copy-protection: A method and system for providing copy-protected optical medium using a substrate having information stored thereon in information pits and information lands, wherein the information lands comprise lands in two different planes....

20060203699 - 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...

20060203696 - Optical information recording medium, method for reproducing optical information recording medium, and optical information processing apparatus using optical information recording medium: In order to realize (A) an optical information recording medium in which information is stored in high density and can be precisely and securely reproduced, (B) a method for reproducing the optical information recording medium, and (C) an optical information processing apparatus using the optical information recording medium, an optical...

20060203704 - Information recording medium, recording apparatus, and recording method: A recording management information format for recording management of a write-once recording medium which can be subjected to a logical overwrite, wherein recording management data including a recording management information format code indicating that the recording medium is used in a logical overwrite recording mode is written in a predetermined...

20060203703 - Information recording medium, recording/reproducing apparatus, and recording/reproducing method: An information recording medium, a recording/reproducing apparatus, and a recording/reproducing method where the recording/reproducing apparatus includes: a writing/reading unit that writes data to an information recording medium or reads data from the information recording medium; and a control unit that controls the writing/reading unit to write recording mode information indicating...

20060203701 - Multilayer optical disc having disc information: A multi-layer record carrier is for recording information by writing marks in a track. The record carrier has a first recording layer (40) and a second recording layer (41), and each recording layer has a pregroove (14) indicating the position of the track according to an opposite track path. The...

20060203702 - Multilayer optical disc having pregroove modulation: A record carrier is for recording information by writing marks in a track. The record carrier has at least a first recording layer (40) and a second recording layer (41). Each layer has a pregroove (14) indicating the position of the track and exhibiting a wobble modulated for representing physical...

20060203705 - 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....

20060203706 - Multilevel read-only optical disk and method for producing the same: The present invention provides a multilevel read-only optical disk and the method for producing the same. The multilevel read-only optical disk comprises a plurality of the recording pits, each of the longitudinal sections of the recording pits has a multilevel arbitrary shape; the areas of the longitudinal sections of the...

20060198249 - Information recording device and medium information notification method: A DVD drive reads various information items that include a read-in area of an inserted DVD and that are provided on the inner-periphery side with respect to the read-in area, and it is determined whether the inserted DVD is for red data or a blue laser based on the information...

20060198250 - Determination of optimum writing strategy for recording information onto optical information recording medium: The invention is to provide a method for determining an optimum writing strategy for an optical information recording system to record information onto an optical information recording medium. According to a preferred embodiment of the method of the invention, a determination function of speed and temperature is provided. The determination...

20060198251 - Method of opening tray of optical disc changer and method of reproduction data recorded on disc: A method of opening a tray of an optical disc changer that includes a plurality of disc mounting recesses, on each of which a disc can be loaded, the method including moving two disc mounting recesses to a position that is exposed so that discs can be simultaneously mounted on...

20060198252 - Compact disc receptacle and compact disc processing system: This invention discloses a compact disc receptacle for containing different sized compact discs. The compact disc receptacle comprises a base having at least a positioning hole seat, and at least a positioning members corresponding to the positioning hole seats. Each positioning member comprises a pivot section for placing into each...

20060198253 - Optical pickup device, disk drive unit, and disk drive device: The present invention is directed to an optical pick-up apparatus used for recording/reproduction of an optical disk, which comprises an optical pick-up (17) caused to undergo feed operation in the radial direction of optical disk (2), and for performing write or read operation of information signals with respect to the...

20060198254 - Objective lens, optical pickup, and optical information processing apparatus: The present invention relates to an objective lens, an optical pickup, and an optical information processing apparatus. Although coma aberration of approximately 0.22 λ rms, 0.14 λ rms, and 0.09 λ rms is generated in a case where blue type, DVD type, and CD type media is tilted 1 degree,...

20060198255 - Optical head and optical disc device provided therewith: In an optical head according to the present invention, an act base on which an objective lens is arranged is formed in a rectangular shape with through holes formed in four corners thereof. A base on which a collimating lens is arranged has projections to engage with the through holes...

20060198257 - Optical disk drive and optical disk drive control method: The present invention is directed to an optical disk drive in which laser beams are emitted to an optical disk in a state of not rotated, and simultaneously an objective lens which collects the laser beams is moved to a direction approaching the optical disk at a constant speed, a...

20060198256 - Optical disk drive unit: A collision preventive member that limits displacements of an objective lens in a focusing direction is provided. The collision preventive member includes a first limiting portion that limits displacements of the objective lens present within a first region while allowing a movable range of the objective lens in the focusing...

20060198258 - Method and apparatus for correcting asymmetric waveform level in consideration of asymmetric error after the decimal point: A method and an apparatus for correcting an asymmetric waveform level in consideration of an asymmetric error after the decimal point are disclosed. A zero-crossing detector for correcting an asymmetry signal detects a zero-crossing point and a decimal-point asymmetry detector calculates a jitter value required for correcting the asymmetry waveform...

20060198259 - Playback apparatus and layer jump method: A playback apparatus that plays back a recording medium having recording layers includes an optical head irradiating the recording layers with laser light using an objective lens and reading information recorded in the recording layers; an actuator holding the objective lens; focus servo means for driving the actuator to execute...

20060198260 - Method and apparatus for managing disc defect using temporary dfl and temporary dds including drive & disc information disc with temporary dfl and temporary dds: A write once disc includes a defect management area that is present in at least one of a lead-in area and a lead-out area; a temporary defect management area that is present in at least one of the lead-in area and the lead-out area; and a drive & disc information...

20060198261 - Method of recording and/or reproducing data with respect to information storage medium: A method of recording and/or reproducing data with respect to an information storage medium that includes a lead-in area, a user data area, and a lead-out area. Information about whether the information storage medium is compatible with a drive following an older version of standards is recorded in at least...

20060198262 - Optical recording apparatus and optical recording method controlling laser power for disc overwriting: An optical recording apparatus performs an OPC operation with a designated target modulation. A reproduction signal detecting circuit measures, in response to the OPC operation, jitter, amplitude of the reproduction signal and the like. An asymmetry detecting circuit calculates an asymmetry value of the optical disc from the measurements. An...

20060198263 - Optical information storage medium and method of recording information thereon: An optical information storage medium includes a lead-in area, a user data zone in which user data is recorded, and a lead-out area. Write protection information is recorded in at least one of the lead-in area and the lead-out area, together with defect management information. Information is recorded and/or reproduced...

20060198264 - Optical disk device and optical disk determination method: An optical disk device includes first pickup portion PU1 which outputs first detection signal by irradiating first laser beam having first wavelength to surface of optical disk and receiving its reflected light, second pickup portion PU2 having independent structure, which irradiates second laser beam having second wavelength and receives its...

20060198265 - Information storage method that assures compatibility of writable medium with read only medium: An information recording method performing recording on an information recording medium having multiple rewritable recording layers each having a data area in which user data is to be recorded is disclosed. The method includes a recorded area presence or absence determination step that determines whether a recorded area exists in...

20060198266 - Optical disc having plurality of recording layers, and method and apparatus for recording data thereon: Provided are an optical disc having a plurality of recording layers, and a method and apparatus for recording data thereon. The optical disc has a plurality of recording layers, each recording layer including: a data area; a connecting area; and a remaining area. The data, connecting, and remaining areas are...

20060198267 - Dynamic filter to limit ringing: A media processing system for limiting ringing in a filter output. A detection filter receives a media signal and generates a detection signal. The detection signal has a constant value over sections of the media signal having a consistent DC bias. The value of the detection signal changes when the...

20060198268 - Discrimination method of optical storage medium: A discrimination method of an optical storage medium is provided. The method scans a plurality of data recording points, and obtains a channel bit rage according to the scanned data recording points. After obtaining the channel bit rate, the channel bit rate is compared with a predetermined value, and the...

20060198269 - Method of recording information to and reproducing information from an optical information storage medium: A method of recording information to a read-only optical information storage medium comprising a plurality of areas, including: recording data in at least one of the plurality of areas in the form of pits in a first pit pattern; and recording data in others of the plurality of areas in...

20060198271 - Information storage medium and method of recording and/or reproducing with respect to the medium: An information storage medium includes an area in which updated disc-related information and recording-related information updated with a change in at least one of a disc version number and a recording speed is recorded along with existing disc-related information and recording-related information. The existing disc-related information and recording-related information are...

20060198270 - Method and apparatus for decoding encoded data around a linking area on an optical storage medium: A method for decoding encoded data around a linking area on an optical storage medium includes: detecting at least one type of sync patterns within the encoded data; determining an offset value corresponding to the linking area according to the detected sync patterns; and decoding the encoded data according to...

20060198272 - High speed cleanup of removable storage device: A removable data cartridge is protected from air-transported particles such as dust, excessive moisture, contaminants, and the like by filtering or otherwise conditioning the airflow at initial startup. The recording media in the data cartridge is initially spun at a rate of speed higher than the operating speed for a...

20060198273 - Write-once recording medium preserving data-recording status, method of preserving data-recording status of a write-once recording medium, medium including computer readable code for the same, and recording and/or reproducing apparatus therefor: A method of reproducing a recording medium having finalized recorded data. Data is read from the recording medium and a determination is made whether the recording medium is further recordable based on whether a temporary defect management area includes repetitions of a predetermined value or based on whether another predetermined...

20060198274 - Write-once recording medium preserving data-recording status, method of preserving data-recording status of a write-once recording medium, medium including computer readable code for the same, and recording and/or reproducing apparatus therefor: An apparatus for reproducing a recording medium having a recorded defect management area. The apparatus includes a pickup reading data from a recording medium and a controller controlling the pickup to read data on the recording medium and determining whether the recording medium contains predetermined data, recorded in response to...

20060198275 - Apparatus and method for reproduction of holograms: A hologram reproduction apparatus comprises a first optical system disposed on one side of the hologram recording medium to form an optical path of the reproduction reference beam using the same optical path as that of the recording reference beam; a second optical system disposed on the data beam optical...

20060198276 - Optical recording medium driving device: A method and an apparatus for driving an optical recording medium for recording and/or reproducing various information for the optical recording medium, in which the output power ratio of the light source may be reduced for recording and reproduction, for optical recording media of different sorts, or for respective recording...

20060198277 - Apparatus for reading/writing an optical storage carrier: This apparatus comprises an optical head having the following elements: a light source for illuminating the optical carrier, a light detector for analyzing the light reflected from the optical carrier, an objective lens for focusing the light onto the optical carrier, and a grating device placed at the vicinity of...

20060198278 - Near-field optical storage medium and optical data storage system therefor: An optical data storage system writes or reads information with respect to an optical storage medium using an optical pickup including a solid immersion optical system or a solid immersion lens for generating a near-field and emitting a light beam. The optical storage medium includes a recording layer which is...

20060198279 - Optical pickup apparatus: An optical pickup apparatus includes: a first light source; a second light source; a third light source; an objective lens; a coupling lens; a light flux splitter; and a light-receiving element. The coupling lens is formed of two or more lenses in two or more groups, and at least one...

20060198280 - Phonographic tone arm: A tone arm having one end attaches to a phonograph cartridge and the other end is a threaded rod. The tone arm has a flexible string suspension for horizontal and vertical movements. The suspension string has an upper end attached to an upper member of a frame and a lower...

20060198281 - Optical disc having a reduced planar thickness: In accordance with the teachings of the present invention, an optical disc having a reduced planar thickness is provided. In accordance with a particular embodiment of the present invention, the optical disc includes a central clamping area that defines a central aperture operable to be engaged by a spindle mechanism...

20060198282 - Information recording medium, and recording method and reproducing method thereof: An information recording medium in which bottoms of a guide groove and a pit array formed on a disc substrate are allocated on a same flat plane and shaped in flat. Further, in a transition area from a pit array to a guide groove or from a guide groove to...

20060198283 - Information recording medium, and recording method and reproducing method thereof: An information recording medium in which bottoms of a guide groove and a pit array formed on a disc substrate are allocated on a same flat plane and shaped in flat. Further, in a transition area from a pit array to a guide groove or from a guide groove to...

20060198284 - Information recording medium, and recording method and reproducing method thereof: An information recording medium in which bottoms of a guide groove and a pit array formed on a disc substrate are allocated on a same flat plane and shaped in flat. Further, in a transition area from a pit array to a guide groove or from a guide groove to...

20060198285 - Information recording medium, and recording method and reproducing method thereof: An information recording medium in which bottoms of a guide groove and a pit array formed on a disc substrate are allocated on a same flat plane and shaped in flat. Further, in a transition area from a pit array to a guide groove or from a guide groove to...

20060198286 - Optical disc: An optical disc includes a read-only area having a first wobble, which is a data wobble formed in the read-only area for only reading, a readable/writable area having a second wobble, which is different from the data wobble, and a connection area between the read-only area and the readable/writable area...

20060198287 - Read-only recording medium, reproduction apparatus and reproduction method: A data-arranging method similar to that of a RAM disk is adopted for a ROM disk to make the ROM disk highly compatible with the RAM disk. According to this method, buffer areas are allocated as a data run-in and a data run-out respectively preceding and succeeding a RUB (Recording...

20060198288 - Optical disc having uniform structure: An optical disc is manufactured under a uniform condition by forming grooves and lands on the entire surface of the disc. The optical disc is configured to obtain a reliable reproduction signal, and the grooves and lands are formed on a lead-in area, a user data area and a lead-out...

20060198289 - Recording/reproducing apparatus: A recording apparatus for use with a read-only optical information storage medium having a plurality of areas, including: a recording and/or reading unit which records data on and/or reads data from the plurality of areas; and a controller which: controls the recording and/or reading unit to record data in at...

20060198290 - Cover layer structure for optical data storage media: The invention is directed to a cover layer structure for an optical data storage disk. The cover layer structure includes an optically transmissive layer, a first material distributed over a top surface of the optically transmissive layer, and a second material distributed over a bottom surface of the optically transmissive...

20060198291 - Method of detecting position of head in recording medium drive: The difference is detected between the outputs from first and second heads in a recording medium drive. The first head is positioned relative to the boundary between a first recording track and a separation track isolating the first recording track and a second recording track from each other. The second...

20060198249 - Information recording device and medium information notification method: A DVD drive reads various information items that include a read-in area of an inserted DVD and that are provided on the inner-periphery side with respect to the read-in area, and it is determined whether the inserted DVD is for red data or a blue laser based on the information...

20060198250 - Determination of optimum writing strategy for recording information onto optical information recording medium: The invention is to provide a method for determining an optimum writing strategy for an optical information recording system to record information onto an optical information recording medium. According to a preferred embodiment of the method of the invention, a determination function of speed and temperature is provided. The determination...

20060198251 - Method of opening tray of optical disc changer and method of reproduction data recorded on disc: A method of opening a tray of an optical disc changer that includes a plurality of disc mounting recesses, on each of which a disc can be loaded, the method including moving two disc mounting recesses to a position that is exposed so that discs can be simultaneously mounted on...

20060198252 - Compact disc receptacle and compact disc processing system: This invention discloses a compact disc receptacle for containing different sized compact discs. The compact disc receptacle comprises a base having at least a positioning hole seat, and at least a positioning members corresponding to the positioning hole seats. Each positioning member comprises a pivot section for placing into each...

20060198253 - Optical pickup device, disk drive unit, and disk drive device: The present invention is directed to an optical pick-up apparatus used for recording/reproduction of an optical disk, which comprises an optical pick-up (17) caused to undergo feed operation in the radial direction of optical disk (2), and for performing write or read operation of information signals with respect to the...

20060198254 - Objective lens, optical pickup, and optical information processing apparatus: The present invention relates to an objective lens, an optical pickup, and an optical information processing apparatus. Although coma aberration of approximately 0.22 λ rms, 0.14 λ rms, and 0.09 λ rms is generated in a case where blue type, DVD type, and CD type media is tilted 1 degree,...

20060198255 - Optical head and optical disc device provided therewith: In an optical head according to the present invention, an act base on which an objective lens is arranged is formed in a rectangular shape with through holes formed in four corners thereof. A base on which a collimating lens is arranged has projections to engage with the through holes...

20060198257 - Optical disk drive and optical disk drive control method: The present invention is directed to an optical disk drive in which laser beams are emitted to an optical disk in a state of not rotated, and simultaneously an objective lens which collects the laser beams is moved to a direction approaching the optical disk at a constant speed, a...

20060198256 - Optical disk drive unit: A collision preventive member that limits displacements of an objective lens in a focusing direction is provided. The collision preventive member includes a first limiting portion that limits displacements of the objective lens present within a first region while allowing a movable range of the objective lens in the focusing...

20060198258 - Method and apparatus for correcting asymmetric waveform level in consideration of asymmetric error after the decimal point: A method and an apparatus for correcting an asymmetric waveform level in consideration of an asymmetric error after the decimal point are disclosed. A zero-crossing detector for correcting an asymmetry signal detects a zero-crossing point and a decimal-point asymmetry detector calculates a jitter value required for correcting the asymmetry waveform...

20060198259 - Playback apparatus and layer jump method: A playback apparatus that plays back a recording medium having recording layers includes an optical head irradiating the recording layers with laser light using an objective lens and reading information recorded in the recording layers; an actuator holding the objective lens; focus servo means for driving the actuator to execute...

20060198260 - Method and apparatus for managing disc defect using temporary dfl and temporary dds including drive & disc information disc with temporary dfl and temporary dds: A write once disc includes a defect management area that is present in at least one of a lead-in area and a lead-out area; a temporary defect management area that is present in at least one of the lead-in area and the lead-out area; and a drive & disc information...

20060198261 - Method of recording and/or reproducing data with respect to information storage medium: A method of recording and/or reproducing data with respect to an information storage medium that includes a lead-in area, a user data area, and a lead-out area. Information about whether the information storage medium is compatible with a drive following an older version of standards is recorded in at least...

20060198262 - Optical recording apparatus and optical recording method controlling laser power for disc overwriting: An optical recording apparatus performs an OPC operation with a designated target modulation. A reproduction signal detecting circuit measures, in response to the OPC operation, jitter, amplitude of the reproduction signal and the like. An asymmetry detecting circuit calculates an asymmetry value of the optical disc from the measurements. An...

20060198263 - Optical information storage medium and method of recording information thereon: An optical information storage medium includes a lead-in area, a user data zone in which user data is recorded, and a lead-out area. Write protection information is recorded in at least one of the lead-in area and the lead-out area, together with defect management information. Information is recorded and/or reproduced...

20060198264 - Optical disk device and optical disk determination method: An optical disk device includes first pickup portion PU1 which outputs first detection signal by irradiating first laser beam having first wavelength to surface of optical disk and receiving its reflected light, second pickup portion PU2 having independent structure, which irradiates second laser beam having second wavelength and receives its...

20060198265 - Information storage method that assures compatibility of writable medium with read only medium: An information recording method performing recording on an information recording medium having multiple rewritable recording layers each having a data area in which user data is to be recorded is disclosed. The method includes a recorded area presence or absence determination step that determines whether a recorded area exists in...

20060198266 - Optical disc having plurality of recording layers, and method and apparatus for recording data thereon: Provided are an optical disc having a plurality of recording layers, and a method and apparatus for recording data thereon. The optical disc has a plurality of recording layers, each recording layer including: a data area; a connecting area; and a remaining area. The data, connecting, and remaining areas are...

20060198267 - Dynamic filter to limit ringing: A media processing system for limiting ringing in a filter output. A detection filter receives a media signal and generates a detection signal. The detection signal has a constant value over sections of the media signal having a consistent DC bias. The value of the detection signal changes when the...

20060198268 - Discrimination method of optical storage medium: A discrimination method of an optical storage medium is provided. The method scans a plurality of data recording points, and obtains a channel bit rage according to the scanned data recording points. After obtaining the channel bit rate, the channel bit rate is compared with a predetermined value, and the...

20060198269 - Method of recording information to and reproducing information from an optical information storage medium: A method of recording information to a read-only optical information storage medium comprising a plurality of areas, including: recording data in at least one of the plurality of areas in the form of pits in a first pit pattern; and recording data in others of the plurality of areas in...

20060198271 - Information storage medium and method of recording and/or reproducing with respect to the medium: An information storage medium includes an area in which updated disc-related information and recording-related information updated with a change in at least one of a disc version number and a recording speed is recorded along with existing disc-related information and recording-related information. The existing disc-related information and recording-related information are...

20060198270 - Method and apparatus for decoding encoded data around a linking area on an optical storage medium: A method for decoding encoded data around a linking area on an optical storage medium includes: detecting at least one type of sync patterns within the encoded data; determining an offset value corresponding to the linking area according to the detected sync patterns; and decoding the encoded data according to...

20060198272 - High speed cleanup of removable storage device: A removable data cartridge is protected from air-transported particles such as dust, excessive moisture, contaminants, and the like by filtering or otherwise conditioning the airflow at initial startup. The recording media in the data cartridge is initially spun at a rate of speed higher than the operating speed for a...

20060198273 - Write-once recording medium preserving data-recording status, method of preserving data-recording status of a write-once recording medium, medium including computer readable code for the same, and recording and/or reproducing apparatus therefor: A method of reproducing a recording medium having finalized recorded data. Data is read from the recording medium and a determination is made whether the recording medium is further recordable based on whether a temporary defect management area includes repetitions of a predetermined value or based on whether another predetermined...

20060198274 - Write-once recording medium preserving data-recording status, method of preserving data-recording status of a write-once recording medium, medium including computer readable code for the same, and recording and/or reproducing apparatus therefor: An apparatus for reproducing a recording medium having a recorded defect management area. The apparatus includes a pickup reading data from a recording medium and a controller controlling the pickup to read data on the recording medium and determining whether the recording medium contains predetermined data, recorded in response to...

20060198275 - Apparatus and method for reproduction of holograms: A hologram reproduction apparatus comprises a first optical system disposed on one side of the hologram recording medium to form an optical path of the reproduction reference beam using the same optical path as that of the recording reference beam; a second optical system disposed on the data beam optical...

20060198276 - Optical recording medium driving device: A method and an apparatus for driving an optical recording medium for recording and/or reproducing various information for the optical recording medium, in which the output power ratio of the light source may be reduced for recording and reproduction, for optical recording media of different sorts, or for respective recording...

20060198277 - Apparatus for reading/writing an optical storage carrier: This apparatus comprises an optical head having the following elements: a light source for illuminating the optical carrier, a light detector for analyzing the light reflected from the optical carrier, an objective lens for focusing the light onto the optical carrier, and a grating device placed at the vicinity of...

20060198278 - Near-field optical storage medium and optical data storage system therefor: An optical data storage system writes or reads information with respect to an optical storage medium using an optical pickup including a solid immersion optical system or a solid immersion lens for generating a near-field and emitting a light beam. The optical storage medium includes a recording layer which is...

20060198279 - Optical pickup apparatus: An optical pickup apparatus includes: a first light source; a second light source; a third light source; an objective lens; a coupling lens; a light flux splitter; and a light-receiving element. The coupling lens is formed of two or more lenses in two or more groups, and at least one...

20060198280 - Phonographic tone arm: A tone arm having one end attaches to a phonograph cartridge and the other end is a threaded rod. The tone arm has a flexible string suspension for horizontal and vertical movements. The suspension string has an upper end attached to an upper member of a frame and a lower...

20060198281 - Optical disc having a reduced planar thickness: In accordance with the teachings of the present invention, an optical disc having a reduced planar thickness is provided. In accordance with a particular embodiment of the present invention, the optical disc includes a central clamping area that defines a central aperture operable to be engaged by a spindle mechanism...

20060198282 - Information recording medium, and recording method and reproducing method thereof: An information recording medium in which bottoms of a guide groove and a pit array formed on a disc substrate are allocated on a same flat plane and shaped in flat. Further, in a transition area from a pit array to a guide groove or from a guide groove to...

20060198283 - Information recording medium, and recording method and reproducing method thereof: An information recording medium in which bottoms of a guide groove and a pit array formed on a disc substrate are allocated on a same flat plane and shaped in flat. Further, in a transition area from a pit array to a guide groove or from a guide groove to...

20060198284 - Information recording medium, and recording method and reproducing method thereof: An information recording medium in which bottoms of a guide groove and a pit array formed on a disc substrate are allocated on a same flat plane and shaped in flat. Further, in a transition area from a pit array to a guide groove or from a guide groove to...

20060198285 - Information recording medium, and recording method and reproducing method thereof: An information recording medium in which bottoms of a guide groove and a pit array formed on a disc substrate are allocated on a same flat plane and shaped in flat. Further, in a transition area from a pit array to a guide groove or from a guide groove to...

20060198286 - Optical disc: An optical disc includes a read-only area having a first wobble, which is a data wobble formed in the read-only area for only reading, a readable/writable area having a second wobble, which is different from the data wobble, and a connection area between the read-only area and the readable/writable area...

20060198287 - Read-only recording medium, reproduction apparatus and reproduction method: A data-arranging method similar to that of a RAM disk is adopted for a ROM disk to make the ROM disk highly compatible with the RAM disk. According to this method, buffer areas are allocated as a data run-in and a data run-out respectively preceding and succeeding a RUB (Recording...

20060198288 - Optical disc having uniform structure: An optical disc is manufactured under a uniform condition by forming grooves and lands on the entire surface of the disc. The optical disc is configured to obtain a reliable reproduction signal, and the grooves and lands are formed on a lead-in area, a user data area and a lead-out...

20060198289 - Recording/reproducing apparatus: A recording apparatus for use with a read-only optical information storage medium having a plurality of areas, including: a recording and/or reading unit which records data on and/or reads data from the plurality of areas; and a controller which: controls the recording and/or reading unit to record data in at...

20060198290 - Cover layer structure for optical data storage media: The invention is directed to a cover layer structure for an optical data storage disk. The cover layer structure includes an optically transmissive layer, a first material distributed over a top surface of the optically transmissive layer, and a second material distributed over a bottom surface of the optically transmissive...

20060198291 - Method of detecting position of head in recording medium drive: The difference is detected between the outputs from first and second heads in a recording medium drive. The first head is positioned relative to the boundary between a first recording track and a separation track isolating the first recording track and a second recording track from each other. The second...