Patents
Patents for G11B 7 - Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation, reproducing using an optical beam at lower power; Record carriers therefor (102,715)
02/2008
02/06/2008EP1884943A1 Information recording/reproducing device and optical pickup
02/06/2008EP1884942A1 Optical disk unit, control method for optical disk unit, and computer readable storage medium
02/06/2008EP1884941A1 Information reproducing/recording device
02/06/2008EP1884940A2 Information management method for information recording medium, recording method, and information recording/reproducing apparatus thereby
02/06/2008EP1884939A1 Data readout method, data readout device, and optical disk
02/06/2008EP1884938A2 Method for writing optical record carriers
02/06/2008EP1884937A2 Method and apparatus for recording data on a recording medium
02/06/2008EP1884936A2 Method and apparatus for recording control information on a recording medium having one or more recording layers and recording medium
02/06/2008EP1884935A1 Recording device, recording method, disc manufacturing method and optical disc recording medium
02/06/2008EP1884934A1 Recording medium having data structure for managing reproduction of data streams recorded thereon and recording and reproducing methods and apparatuses
02/06/2008EP1884933A2 Optical disc device, control method thereof, and computer-readable recording medium
02/06/2008EP1884929A2 Head position control method, head position control device and disk device
02/06/2008EP1883928A1 An optical disc device having means for protecting the optical pickup unit
02/06/2008EP1883926A1 Hybrid disk and method of writing data to and/or reading data from the hybrid disk
02/06/2008EP1883925A1 Objective system for an optical scanning device for ultraviolet and/or deep-ultraviolet wavelengths
02/06/2008EP1883924A1 Optical pickup unit for a disk drive and disk drive comprising such an optical pick up unit
02/06/2008EP1883923A2 Optical data storage medium, apparatus and method for scanning such a medium
02/06/2008EP1883827A1 Jitter-based calibration procedure with improved resolution for optical disc drives
02/06/2008EP1761921B1 Apparatus and method for generating a scanning beam in an optical pickup head, miniature optical pickup head and optical storage system incorporating a miniature pickup head
02/06/2008EP1749297A4 Information storage medium having different read power information
02/06/2008EP1609013B1 Camera comprising means for accurately fixing the distance between a lens and an image sensor chip
02/06/2008EP1561210B1 Optical disc drive apparatus, method of controlling the position of optical pickup unit, method of detecting an innermost position of an optical pickup unit
02/06/2008CN201017647Y Novel multimedia electric file downloading publish machine
02/06/2008CN201017645Y DVD burner capable of connecting audio outputs device attachment
02/06/2008CN201017643Y Optical information recording and regenerative device
02/06/2008CN101120408A Method and apparatus for prevention of laser saturation
02/06/2008CN101120407A Optical storage effect using a separate reference beam interface
02/06/2008CN101120406A Recording medium and its manufacturing method, and recording medium master and its manufacturing method
02/06/2008CN101120405A Holographic storage with homodyne detection
02/06/2008CN101120404A Method and apparatus for recording data on and reproducing data from a recording medium and the recording medium
02/06/2008CN101119116A Integrated circuit, self-test method for the integrated circuit, and optical disc apparatus including the integrated circuit
02/06/2008CN101118774A Head position control method, head position control device, and disk device
02/06/2008CN101118771A CD-disc data restoration method and cd-disc data restoration system
02/06/2008CN101118765A Disk media and disk media manufacturing method
02/06/2008CN101118764A Optical pickup
02/06/2008CN101118763A Optical pickup apparatus, method of controlling the same, and information recording and reproducing apparatus
02/06/2008CN101118762A Optical pickup device having duolaser
02/06/2008CN101118761A Objective lens actuator and optical pickup device having the same
02/06/2008CN101118760A DVD tracking servo control system for high speed reading partiality disc
02/06/2008CN101118759A Information reproducing/recording device
02/06/2008CN101118758A Optical read-write head actuator having arranged horizontal magnetic field producing device and coil device
02/06/2008CN101118757A Optical disk player and rail changing method
02/06/2008CN101118756A Recording medium, and apparatus and methods for forming, recording, and reproducing the recording medium
02/06/2008CN101118755A Method for performing a defective-area management in an optical media
02/06/2008CN101118754A Optical recording medium
02/06/2008CN101118753A Optical disk apparatus and a method for compensating recording power of the same
02/06/2008CN100367585C Semiconductor laser
02/06/2008CN100367395C Data recording equipment, data recording method, program and data recording medium
02/06/2008CN100367393C Data storage medium and its data fetch device
02/06/2008CN100367391C Recording control and space area management apparatus and method
02/06/2008CN100367390C Etching-recording machine optical disk format discriminating method
02/06/2008CN100367387C Method for producing master for optical information recording medium
02/06/2008CN100367386C Optical information-recording medium, novel oxonol compound
02/06/2008CN100367385C Optical head and optical disc device provided therewith
02/06/2008CN100367384C Light beam focusing optical system, optical pickup device and optical recording and reproducing device using the same, as well as light beam focusing method
02/06/2008CN100367383C Object optical element and optical pickup device
02/06/2008CN100367382C Optical scanning device
02/06/2008CN100367381C Light detector, optical pickup, and optical disc apparatus
02/06/2008CN100367380C Track jumping for optical recording media
02/06/2008CN100367379C Optical recording apparatus and method for searching data recording locations by controlling tracking level
02/06/2008CN100367378C Driving device for objective lens and optical pick up using the same
02/06/2008CN100367377C Optical pickup device and optical disk device
02/06/2008CN100367376C Optical disc system and method for controlling movement of an optical pickup to an innermost perimeter of an optical disc
02/06/2008CN100367375C Method for adjusting focusing deviation in optical disk apparatus
02/06/2008CN100367374C Optical disk device
02/06/2008CN100367373C Multilayer optical disc having disc information.
02/06/2008CN100367372C Optical disc and portable compact disc device in use for redading out data stored in the disc
02/06/2008CN100367371C Information recording method and information recording device
02/06/2008CN100367370C Recording condition setting method, recording method, recording medium, and optical disc device
02/06/2008CN100367369C Method for destroying data access on CD
02/06/2008CN100367368C Optical information storage medium and method of and apparatus for recording and/or reproducing information on and/or from the optical information storage medium
02/06/2008CN100367367C Method for determining type of digital versatile disc
02/06/2008CN100367366C 光盘 CD
02/06/2008CN100367247C Method for managing copy protection information of recordingmedium
02/06/2008CN100366610C Cyanine compound, optical recording material, and optical recording medium
02/06/2008CN100366415C Die assembly for molding optical disc substrates
02/05/2008US7328447 Optical recording medium manufacturing device, method, optical recording medium, reproduction device, method, recording device, and method
02/05/2008US7328446 Apparatus for reducing sensitivity of an article to mechanical shock
02/05/2008US7328445 Apparatus for transferring a pickup of a disc drive
02/05/2008US7328444 Shaft support mechanism of optical disk drive and skew adjustment mechanism of optical disk drive
02/05/2008US7328443 Adjustable pickup head guide apparatus
02/05/2008US7327667 Semiconductor laser and associated drive circuit substrate
02/05/2008US7327666 Optical recording medium and method of manufacturing same
02/05/2008US7327665 Optical fiber probe using an electrical potential difference and an optical recorder using the same
02/05/2008US7327664 Optical recording apparatus
02/05/2008US7327663 Recording reproducing optical system, objective lens, and aberration correcting optical element
02/05/2008US7327662 Optical pickup and optical disk drive
02/05/2008US7327661 Optical pickup and optical information recording apparatus using the same
02/05/2008US7327660 Optical disc and physical address format
02/05/2008US7327659 Method and apparatus for recording data on writable compact disc
02/05/2008US7327658 Wobble signal processing apparatus
02/05/2008US7327657 Reproduction signal evaluation method
02/05/2008US7327656 Tilt correction method detecting tilt with same linear velocity as upon actually recording/reproducing at each radial position
02/05/2008US7327655 Write once disc, disc drive therefor, and method of managing disc defect considering compatibility with rewritable disc drive
02/05/2008US7327654 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
02/05/2008US7327653 Information storage medium having storage layer with optical power control area, and recording apparatus to record data with respect to information storage medium
02/05/2008US7327652 Method of recording data on a multi-layer information storage medium having optimal power control areas
02/05/2008US7327651 Optical disc device
02/05/2008US7327650 Multi-layer information storage medium having optimal power control areas, and an apparatus to record and/or read with respect to the information storage medium
02/05/2008US7327649 Method for formatting optical information recording medium, at recording power less than recording power to be used for recording, and recording medium formatted by the method