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)
11/2002
11/20/2002CN1380896A Aromatic polycarbonate composition, process for producing the same, and molded article thereof
11/20/2002CN1380855A Optical recording medium
11/20/2002CN1380650A Medium capable of recording two kinds of data, method and equipment for reproducing said medium, and its recording equipment
11/20/2002CN1380649A Medium capable of recording two kinds of data, method and equipment for reproducing said medium, and its recording equipment
11/20/2002CN1380647A Recording/reproducer, recording/reproducing method and information recording medium
11/20/2002CN1380646A Optical disk
11/20/2002CN1380645A Optical disk and method for marking recording layer
11/20/2002CN1380644A Optical disk and learning tool
11/20/2002CN1380570A Optical instrument and wavelength multiplexing optical recording head
11/20/2002CN1380565A Objective lens, optical pickup device and information recording regeneration method
11/20/2002CN1380564A Objective lens and error correcting method, and optical pickup device using objective lens
11/20/2002CN1094633C Optical pickup and optical recording and reproduction apparatus
11/20/2002CN1094632C Method and equipment for recording data
11/20/2002CN1094631C Optical data storage system with multi-layer rewriting phase-change record layer
11/20/2002CN1094630C Write management method for information recording disk with management areas
11/20/2002CN1094629C CD apparatus and substitution treating method
11/19/2002US6483801 Optical storage devices without mass transfer and spots
11/19/2002US6483800 Optical reproduction apparatus for reproducing information from an optical recording medium having wobbled pits
11/19/2002US6483799 Rewritable DVD-RAM disc
11/19/2002US6483798 Tilt angle adjusting mechanism for optical pickup head
11/19/2002US6483797 Apparatuses and methods for reading after writing in optical recording systems
11/19/2002US6483794 Information recording method for recording a recording signal and a dummy signal added to a leading or/and trailing side of the recording signal
11/19/2002US6483793 Restoration of data and asymmetry compensation in an optical disk reproducing system
11/19/2002US6483792 Optical disk, optical disk recording apparatus and method, and optical disk playback apparatus and method
11/19/2002US6483791 Laser drive integrated circuit and optical disk apparatus using the same
11/19/2002US6483790 Optical disk, an optical disk device, and a method of managing defects in an optical disk
11/19/2002US6483788 Method and apparatus for writing and reading optical recording medium
11/19/2002US6483787 Tracking system for a reproducing apparatus switchable between first and second tracking controls based on discriminating between first MD type 1 and second MD type 2 optical discs
11/19/2002US6483786 Light guide path element and optical pickup
11/19/2002US6483785 Magneto-optical recording method using the relation of beam diameter and an aperture of converging lens
11/19/2002US6483735 Two-photon, three-or four-dimensional, color radiation memory
11/19/2002US6483656 Pilot lamp current consumption reduction system for a flexible magnetic disk drive or the like
11/19/2002US6483650 Integrated optical element, optical pickup, and optical disk device
11/19/2002US6483627 Integrated micro-optical systems
11/19/2002US6483092 Method and apparatus for reading from and writing to a stationary optical storage device
11/19/2002US6482950 Squarylium compounds, and processes and intermediates for the synthesis of these compounds
11/19/2002US6482779 Synthetic oil as a base oil, lithium soap thickener, additive selected from organic molybdenum compound, organic fatty acid compound or a derivative thereof, organic phosphorus compound
11/19/2002US6482494 Hemicyanine dyes and optical recording media using the same
11/19/2002US6482493 Optical disc and method and apparatus of fabricating master disc for the same
11/19/2002US6482279 Transcribing method
11/19/2002US6481955 Vacuum treatment equipment
11/14/2002WO2002091373A2 Device for bonding substrates
11/14/2002WO2002091372A2 Device for bonding substrates
11/14/2002WO2002091371A2 Method for producing a data carrier comprising a holographic memory for fast data storage
11/14/2002WO2002091370A1 Optical device, and information recording and/or reproducing apparatus comprising the same
11/14/2002WO2002091369A1 Optical scanning device
11/14/2002WO2002090114A1 A dual lamp system for manufacturing dvd
11/14/2002WO2001048751A3 Molecular level optical information storage devices
11/14/2002US20020170027 Method and apparatus for pre-computing placement costs
11/14/2002US20020169520 BCA writer serialization management
11/14/2002US20020168592 Forming pattern on substrate; microstructure lenses as pattern; optical recording media
11/14/2002US20020168588 Multilayer; translucence film, recording layer on transparent substrate
11/14/2002US20020168587 Optical information recording medium, method for manufacturing the same and recording/reproduction method
11/14/2002US20020168586 Near field optical disk
11/14/2002US20020168495 Phase-change optical recording media
11/14/2002US20020167893 Multiple optical-recording apparatus using solid immersion lens
11/14/2002US20020167892 High-density disk recording medium having a protruding side on a clamping zone
11/14/2002US20020167891 Disc-shaped information recording medium having offset address information data
11/14/2002US20020167890 Storage card
11/14/2002US20020167889 Recovering recorded information from an optical disk
11/14/2002US20020167888 Optical disk drive
11/14/2002US20020167887 Near-field crystal optical memory
11/14/2002US20020167886 Method for recording information in optical information medium and reproducing information therefrom
11/14/2002US20020167885 Optical apparatus, tracking apparatus and optical disk apparatus
11/14/2002US20020167884 Objective lens alignment in optical pickup unit assembly
11/14/2002US20020167880 Information storage medium, information recording method, and information recording/reproduction apparatus
11/14/2002US20020167879 Recording method for phase-change recording medium
11/14/2002US20020167878 Optical disc recording method and apparatus
11/14/2002US20020167877 Optical disc device with a wobble control circuit
11/14/2002US20020167876 Digital servo system with error signal integrity testing
11/14/2002US20020167875 Optical disk drive with adaptive compensator
11/14/2002US20020167874 Disc drive apparatus
11/14/2002US20020167873 Pickup drive controller for optical disc drive
11/14/2002US20020167871 Optical recording medium and production method therefor
11/14/2002US20020167870 Optically-assisted magnetic recording head and optically-assisted magnetic recording apparatus
11/14/2002US20020167739 Objective lens for pickup and light pickup apparatus
11/14/2002US20020167729 Optical diffraction element, method of fabricating the same and optical pickup apparatus using the same
11/14/2002US20020167345 Waveform generation apparatus and waveform generation method
11/14/2002US20020166957 Near-field light-generating element, near-field optical recording device, and near-field optical microscope
11/14/2002US20020166952 Beam shaper, and semiconductor laser source device and optical head using the beam shaper
11/14/2002US20020166945 Aberration detecting method, optical recording and reproduction method using thereof, and optical recording and reproduction apparatus
11/14/2002US20020166627 Method for maintaining flatness, flatness maintaining unit and device, and disc manufacturing method and device
11/14/2002DE10217305A1 Verfahren zum Abtasten von Welligkeitskomponenten sowie Scheibenantriebseinheit zur Ausführung des Verfahrens A method of scanning ripple and disk drive unit for executing the method
11/14/2002DE10206923A1 Optische Abtastbeugungslinse und eine diese Linse verwendende optische Abtastvorrichtung Optical Abtastbeugungslinse and an optical scanner used this lens
11/14/2002DE10122341A1 Verfahren zur Herstellung eines Datenträgers mit holographischem Speicher zur schnellen Datenspeicherung A method for producing a data carrier with holographic memory for fast data storage
11/14/2002CA2446196A1 A dual lamp system for manufacturing dvd
11/13/2002EP1257135A2 Cellular radiotelephone system with remotely programmed mobile stations
11/13/2002EP1257134A2 Cellular radiotelephone system with remotely programmed mobile stations
11/13/2002EP1256948A2 Method for maintaining flatness, flatness maintaining unit and device, and disc manufacturing method and device
11/13/2002EP1256947A1 Optical information recording medium
11/13/2002EP1256946A1 Optical information recording medium
11/13/2002EP1256945A2 Many-sided reflection prism and optical pickup
11/13/2002EP1256944A2 Objective lens, light converging optical system, optical pickup apparatus, and recording and/or reproducing apparatus
11/13/2002EP1256943A2 Method and apparatus for optical data acquisition
11/13/2002EP1256942A2 Disk drive device
11/13/2002EP1256941A2 Optical pickup having an objective lens compatible with a plurality of optical disk formats
11/13/2002EP1256819A1 Optical component and method of manufacturing thick polyimide film
11/13/2002EP1256114A1 Method for intializing a data storage device
11/13/2002EP1194928B1 Device and method for producing a data carrier
11/13/2002EP1185412B1 Device for joining substrates