Patents
Sitemap › G11 - Information storage › G11B - Information storage based on relative movement between record carrier and transducer › 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
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)
05/2003
05/06/2003US6560250 Laser diode drive signal processor and method for driving laser diode
05/06/2003US6560191 Laser output control in optical disk recording/reproducing device
05/06/2003US6560190 CD-RW OPC algorithm to minimize statistical fluctuations in power level
05/06/2003US6560189 Optical information storage apparatus
05/06/2003US6560188 Compound optical unit mounted on optical device
05/06/2003US6560187 Information recording method, information recording/reproducing apparatus, and information recording medium
05/06/2003US6560182 Optical recording method
05/06/2003US6560181 Information recording medium which records information that pertains to integrity
05/06/2003US6560178 Tilt compensation method and apparatus therefor
05/06/2003US6560177 Recording medium having spare areas for defect management and method of allocating spare areas
05/06/2003US6560176 Method and apparatus for determining the provenance of a data carrying disc
05/06/2003US6560175 Information recording medium which indicates information according to the wobbling of a track and information recording and reproducing apparatus
05/06/2003US6560173 Servo control apparatus for optical disc player
05/06/2003US6560172 Optical disc recording method and apparatus
05/06/2003US6560170 Track search control apparatus, track search control method, data recording apparatus, data reproduction apparatus and data recording medium
05/06/2003US6560034 Beam shaping optical system
05/06/2003US6558768 Optical recording medium and optical recording and reading method using the same
05/02/2003EP1306853A1 Method for rewriting data in three-dimensional optical memory device fabricated in glass by ultra-short light pulse
05/02/2003EP1306847A2 Apparatus for recording and reproducing in real time
05/02/2003EP1306846A2 File operating method using real time recording/reproduction information
05/02/2003EP1306845A2 Recording medium for storing still pictures and a recording and/or reproducing method and apparatus therefor
05/02/2003EP1306844A2 Recording medium for storing still pictures and a recording and/or reproducing method and apparatus therefor
05/02/2003EP1306843A2 Recording medium for storing still pictures and a recording and/or reproducing method and apparatus therefor
05/02/2003EP1306840A2 Recording medium for storing write protection information and write protection method thereof
05/02/2003EP1306839A2 Method and apparatus of recording data optimally onto a disk recorded in multiple speed zones
05/02/2003EP1306835A1 Method and circuit to digitally measure the phase of a sinusoidal signal
05/02/2003EP1306732A1 Apparatus and method for recording optical information, apparatus and method for reproducing optical information, and apparatus and method for recording/reproducing optical information
05/02/2003EP1306696A1 Lens, combination lens, method of manufacturing the combination lens, optical pickup device, and optical disk device
05/02/2003EP1306463A1 Holder for plates
05/02/2003EP1306380A1 Novel expanded porphyrins and process for the synthesis thereof
05/02/2003EP1305799A1 Copy protection for optical discs
05/02/2003EP1305798A2 Optical storage using materials comprising chromophore oligomers which can undergo cycloaddition
05/02/2003EP1305797A2 Information recording medium, information recording and reproduction method, and information recording and reproduction apparatus
05/02/2003EP1023723B1 Amorphous hydrogenated aromatic thermoplastic substrates with improved adhesion
05/02/2003EP0876662B1 Manufacture of optical data storage disc
05/02/2003EP0853804B1 Method and apparatus for storing and retrieving information using optical data storage media
05/02/2003EP0796492B1 Optical multilayer information carrier
05/01/2003WO2003036645A1 Disc drive
05/01/2003WO2003036643A1 Optical disk, optical disk access device, and access method
05/01/2003WO2003036641A1 Optical disk recording method and optical disk reproducing method
05/01/2003WO2003036633A1 Method of forming film on optical disk
05/01/2003WO2003036632A1 Optical information recording medium and its manufacturing method
05/01/2003WO2003036631A1 Objective lens drive device, and disk recording and/or reproducing device
05/01/2003WO2003036630A1 Opticla pickup tracking error detecting method and optical pickup device
05/01/2003WO2003036629A2 Optical disc medium, data recording method, and data recording apparatus
05/01/2003WO2003036628A1 Storage medium type identifying method
05/01/2003WO2003036627A1 A quality-testing apparatus and method
05/01/2003WO2003035773A2 Scratch-resistant coating method for optical storage media
05/01/2003WO2003035768A1 Squaraine based dyes and process for preparation thereof
05/01/2003WO2003035407A1 Imide compounds and optical recording media made by using the same
05/01/2003WO2002093571A3 Method and apparatus for producing optical recording media with accurately parallel surfaces
05/01/2003WO2002073604A3 Method and apparatus for optical tracking ina n edge-guided tape recorder
05/01/2003WO2002037487A9 Bca writer serialization management
05/01/2003US20030083449 Monomers with trinuclea groupings, which are capable of absorbing the electromagnetic radiation of visible light, and are structured so that in their thermodynamically stable state they are distended and strongly anisomteric
05/01/2003US20030082383 Optical component
05/01/2003US20030082331 Optical information recording medium
05/01/2003US20030082330 High density recording
05/01/2003US20030082329 High density recording
05/01/2003US20030081537 Information recording medium
05/01/2003US20030081536 Information record medium with a record/reproduction area and a reproduction-dedicated area
05/01/2003US20030081535 Multiple session DVD storage media
05/01/2003US20030081534 Disk drive device
05/01/2003US20030081533 Current divider-based storage medium
05/01/2003US20030081531 Optical disk device setting a gain of an amplifier so that a peak value and a bottom value of wobble signal components coincide
05/01/2003US20030081530 Optical pickup
05/01/2003US20030081529 Optical head and method of making the same
05/01/2003US20030081528 Optical system for optical pickup device, coupling lens and optical information recording/reproducing apparatus
05/01/2003US20030081525 Information recording apparatus and method
05/01/2003US20030081524 Bi-phase mark reproduction apparatus and optical disk drive device with the same
05/01/2003US20030081523 Optical information recording method, optical information recording and reproducing device, and optical information recording medium
05/01/2003US20030081522 Power saving system for optical disc recording/reproducing apparatus
05/01/2003US20030081521 Limited use DVD-video disc
05/01/2003US20030081520 Optical disk apparatus and tilt detection method
05/01/2003US20030081519 Optical disk player
05/01/2003US20030081518 Recording power adjusting method and optical information record apparatus using the same
05/01/2003US20030081517 Method and apparatus of recording data optimally onto a speed-changing disk
05/01/2003US20030081516 Optical disc recording apparatus and control method therefor
05/01/2003US20030081514 Optical head and optical disk apparatus
05/01/2003US20030081512 Optical disk device
05/01/2003US20030081511 Controlling cd changers to advance to and play tracks of cd's for recording of audio information of same onto blank cd
05/01/2003US20030081510 Magneto-optical recording medium and recording and reproducing method and optical head designed for the magneto-optical recording medium
05/01/2003US20030081300 Digital analog recording using near field optical imaging
05/01/2003US20030080449 Method for shaping optical storage discs and products thereof
05/01/2003US20030080280 Light receiving element, light detector with built-in circuitry and optical pickup
05/01/2003US20030080274 Optical detector, optical pickup and optical information reproducing apparatus using optical pickup
05/01/2003US20030080273 Optical disk apparatus and method of recording/reproducing thereof
05/01/2003CA2464376A1 Scratch-resistant coating method for optical storage media
04/2003
04/30/2003CN1415163A Eliminating picture format artificials in MPEG trick modes
04/30/2003CN1415162A Improvements to DVD navigation information for improved trick modes
04/30/2003CN1415110A DVD-Rom backwards compatible deffective sector management in recordable DVD media
04/30/2003CN1414548A Blank disk and direct die press and its manufacture method
04/30/2003CN1414547A Optical recording medium
04/30/2003CN1414546A Optical disk device and incline detection method
04/30/2003CN1414545A Regulating method of reference electrical level
04/30/2003CN1414544A Optical data processing unit
04/30/2003CN1414543A Gantry signal cutting quasi-potential correcting method and gantry signal production method
04/30/2003CN1414542A Information drop-out checkout circuit and optical disk device
04/30/2003CN1414035A Polycarbonate composition, additional record disk base plate and disk and method for making disk
04/30/2003CN1107319C Method for discriminating type of disc and digital versatile disc system adopting the same
04/30/2003CN1107316C Optical disc reproducing method and device
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