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)
12/2002
12/25/2002CN1097259C Optical information recording medium and its mfg. method
12/25/2002CN1097234C System and method for use difinition of data storage device physical format
12/24/2002US6498777 Optical recording medium having a land height ratio
12/24/2002US6498776 Near field light emitting element and optical head
12/24/2002US6498775 Multi-layer optical recording media and system for recording and reproducing information data
12/24/2002US6498773 Optical disk drive and write speed control method
12/24/2002US6498772 Optical disc apparatus
12/24/2002US6498694 Servo error integration in read-channel equalization
12/24/2002US6498689 Objective lens for optical recording media and optical pickup apparatus using the same
12/24/2002US6498330 Spherical aberration detector and optical pickup device
12/24/2002US6498215 Resin composition comprising vinyl cyclic hydrocarbon polymer and a compound having an alcoholic hydroxy group and an ester linkage
12/24/2002US6497988 Phase-change recording element for write once applications
12/24/2002US6497935 Phase-change optical information recording medium
12/24/2002CA2319420C Integrated optical apparatus providing separated beams on a detector and associated methods
12/24/2002CA2309696C Tilt detection device, optical disc device, and tilt control method
12/24/2002CA2294800C A compact disk in bank card or business card format
12/19/2002WO2002101785A1 Magnetron atomisation source
12/19/2002WO2002101742A1 Optical information storage device, data processing circuit, and information storage medium
12/19/2002WO2002101741A1 Optical disk device and optical disk recording and/or reproducing method
12/19/2002WO2002101738A1 Method for manufacturing master disk for manufacturing optical recording medium havingpits and projections, stamper, and optical recording medium
12/19/2002WO2002101737A1 Optical information-recording medium manufacturing method and manufacturing apparatus
12/19/2002WO2002101736A1 Optical information recording medium production method
12/19/2002WO2002101735A1 Optical recording medium
12/19/2002WO2002101734A1 Optical recorder and laser power control method
12/19/2002WO2002101733A1 Optical disk medium, and data recording method and device
12/19/2002WO2002089124B1 Optical disc apparatus
12/19/2002WO2002080161A3 Optical data carrier that contains a merocyanine dye as the light-absorbing compound in the information layer
12/19/2002WO2002058062A3 Cdrom copy protection
12/19/2002US20020194568 Error correcting method, disk medium, disk recording method and disk reproducing method
12/19/2002US20020194376 Computer for a reproducing medium
12/19/2002US20020194375 Computer for a reproducing medium
12/19/2002US20020194374 Computer for a reproducing medium
12/19/2002US20020194271 Computer for a reproducing medium
12/19/2002US20020192566 Photorefractive holographic recording media
12/19/2002US20020192425 With a fungicide or microbiocide coating
12/19/2002US20020192424 Phase-change optical disk
12/19/2002US20020192423 Optical recording medium and optical recording method
12/19/2002US20020192421 Composite glassy carbon disk substrate for a data storage device and method for fabricating same
12/19/2002US20020191967 Usage of an sdram as storage for correction and track buffering in frontend ics of optical recording or reproducion devices
12/19/2002US20020191953 Method and apparatus for recording data
12/19/2002US20020191788 Credit or debit copy-protected optical disc
12/19/2002US20020191529 Urging structure for an output shaft of a drive motor
12/19/2002US20020191528 Optical disk recording/reproducing device and operating method
12/19/2002US20020191527 Readout method and apparatus for optical information medium
12/19/2002US20020191526 Objective lens and optical pickup device
12/19/2002US20020191525 Optical pickup
12/19/2002US20020191521 Optical disc medium, recording method thereof and recorder
12/19/2002US20020191520 Optical disk and optical disk apparatus
12/19/2002US20020191519 Optical recording medium, optical recording device and optical recording method
12/19/2002US20020191518 Optical information recording and reproducing device
12/19/2002US20020191517 Method of printing label on optical disk, optical disk unit, and optical disk
12/19/2002US20020191516 Information recording medium, enclosing casing of information recording medium, and information recording apparatus using the same
12/19/2002US20020191515 Optical head having optimum tilt angles
12/19/2002US20020191514 Dynamic speed control method for storage device
12/19/2002US20020191513 Optical disc apparatus and method thereof
12/19/2002US20020191512 Optical recording medium and optical recording method
12/19/2002US20020191511 Information recording/reproducing apparatus and method and information recording medium
12/19/2002US20020191510 Disk-like recording medium, disk recording apparatus and disk recording method, and disk playback apparatus and disk playback method
12/19/2002US20020191509 Optical disc recording and reproducing apparatus
12/19/2002US20020191508 Information record disc and information recording apparatus
12/19/2002US20020191507 Information playback apparatus
12/19/2002US20020191506 Optical disk recording method, information processing method, optical disk device, information processing device, and controller usable in the optical disk device
12/19/2002US20020191505 Data recording method and data recording apparatus
12/19/2002US20020191504 Optical disk device
12/19/2002US20020191503 Focusing servo device and focusing servo method
12/19/2002US20020191502 Optical pickup unit and information recording and reproduction apparatus
12/19/2002US20020191501 Optical recording medium, optical pickup apparatus, and recording and reproducing apparatus
12/19/2002US20020191499 Multi-body purpose informantion processing appartatus
12/19/2002US20020191498 Inductance device driving system, information storage apparatus, and inductance device driving method
12/19/2002US20020191496 Signal recording/playback apparatus, and recording compensation method and playback method used therefor
12/19/2002US20020191456 Information storage medium, information recording method and information processing method
12/19/2002US20020191273 Integrated micro-optical systems
12/19/2002US20020191236 Method for improved holographic recording using beam apodization
12/19/2002US20020191177 Apparatus for determining a light power level, microscope, and method for microscopy
12/19/2002US20020190779 High-speed current switch circuit
12/19/2002US20020190591 Motor and method of manufacturing the same
12/19/2002DE10226638A1 Optical disk drive, especially for a CD or DVD has an objective lens driver with a compact design based on a magnetic circuit of support parts for the objective lens retainer
12/19/2002DE10216079A1 Spurservorsteuerverfahren, Spurservocontroller und optische Speichervorrichtung Spurservorsteuerverfahren, tracking servo controller and optical storage device
12/19/2002DE10128901A1 A process for giving information to an optically writable and readable data store with a polymer film for information storage and an absorbing colorant useful for providing information to a data storage device
12/19/2002DE10115227A1 Optischer Datenträger enthaltend in der Informationsschicht eine lichtabsorbierende Verbindung mit mehreren chromophoren Zentren Optical data storage medium in the information layer containing a light absorbing compound having a plurality of chromophoric centers
12/19/2002CA2418666A1 Optical disk medium, and data recording method and device
12/19/2002CA2418459A1 Optical recording medium
12/18/2002WO2002073608A1 Method and apparatus for controlling movement of objective lens
12/18/2002WO2002035530A1 Focus control device and focus control method
12/18/2002EP1267348A2 Information record medium, apparatus for recording the same and apparatus for reproducing the same
12/18/2002EP1267343A2 Information reproducing apparatus, method of correcting reproducing program, and information recording medium
12/18/2002EP1267340A2 Information recording apparatus and method for recording information and information recording medium
12/18/2002EP1267339A2 Disk recording medium
12/18/2002EP1267338A2 Optical recording medium, optical recording method and optical recording device
12/18/2002EP1267337A2 Optical recording medium
12/18/2002EP1267336A1 Optical recording medium
12/18/2002EP1267335A2 System to reduce writing overhead to a hybrid optical disc
12/18/2002EP1267244A2 Delivery of electronic content over a network using a hybrid optical disk for authentication
12/18/2002EP1267243A2 Access to electronic content over a network using a hybrid optical disc for authentication
12/18/2002EP1266937A1 Thermoplastic resin composition containing thermoplastic polymer containing alicyclic group and molded object
12/18/2002EP1266375A1 Optical storage method for rewritable digital data carriers
12/18/2002EP1265944A1 Method for the production of highly pure polycarbonate and ultrapure polycarbonate
12/18/2002EP1204893B1 Three dimensional imaging system
12/18/2002EP0852057B1 Device for storing and retrieving information
12/18/2002CN1386279A Detector, reproduction system, receiver and method