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)
09/2003
09/30/2003US6628602 Optical information recording medium
09/30/2003US6628601 Optical disk drive having magnets for generating attractive or repulsive forces
09/30/2003US6628599 Variable optical element, a pickup apparatus having the variable optical element, and an information recording and reproducing apparatus having the pickup apparatus
09/30/2003US6628595 Optical recording method and apparatus for an optical storage medium
09/30/2003US6628594 Device and method for generating writing signal for optical recording medium by controlling writing power levels for different pit portions
09/30/2003US6628593 Disk drive using plural optical heads, capable of identifying the types of media
09/30/2003US6628591 Apparatus and method for recording data onto a predetermined recording medium
09/30/2003US6628589 Optical reproducing aberration compensation system having appropriate correction signals applied to a liquid crystal detector
09/30/2003US6628588 Information record apparatus, information record method, and information record medium
09/30/2003US6628587 Disk drive apparatus including compensation and error correction circuits for having a high accuracy reading capability
09/30/2003US6628586 Optical disk and recording and/or reproducing apparatus and method
09/30/2003US6628585 Quadraphonic compact disc system
09/30/2003US6628584 Apparatus and associated method for linking information on a read only record carrier
09/30/2003US6628583 Method and device for recording information in linking block units
09/30/2003US6628582 Optical information reproduction apparatus
09/30/2003US6628581 Servo control method and servo controller of a storage device, and its storage device
09/30/2003US6628580 Optical recording and reproducing apparatus
09/30/2003US6628579 Storage apparatus
09/30/2003US6628578 Disklike storage medium and tracking method using the same
09/30/2003US6628576 Storage apparatus having device for controlling track jump of a positioner
09/30/2003US6628575 Track jump method for ZCAV system and storage apparatus employing ZCAV system
09/30/2003US6628574 Reproducing method and reproducing apparatus using plural light beam powers for transferring a magnetic domain
09/30/2003US6627869 Beam shaper, and semiconductor laser source device and optical head using the beam shaper
09/30/2003US6627288 Optical recording medium and porphycene compound
09/30/2003US6627287 Adhesive mixture of organosilicon compound, photopolymerizable compound and photoinitiator
09/30/2003CA2256190C Optical disc, optical disc recording apparatus, and optical disc recording method for facilitating dubbing, storage medium for storing optical disc recording program for facilitating dubbing, optical disc reproducing apparatus, and optical disc reproducing method
09/25/2003WO2003079506A1 Multiple-wavelength laser light source, and optical head device and optical information processor using it
09/25/2003WO2003079345A1 Servo-controlling method of an optical disk apparatus
09/25/2003WO2003079344A1 Poly(arylene ether) data storage media
09/25/2003WO2003079343A1 A dual density disc with associated properties
09/25/2003WO2003079342A1 Protective cover for an optical disc
09/25/2003WO2003079341A1 Optical recording medium and its manufacturing method
09/25/2003WO2003079340A1 Optical recording/reproducing medium, stamper for manufacturing optical recording/reproducing medium, and optical recording/reproducing device
09/25/2003WO2003079339A1 Squarylium dyes as a light-absorbing compound in the information layer of optical data carriers
09/25/2003WO2003079338A2 Control method for focus and tracking in pickup apparatus
09/25/2003WO2003079337A1 Optical disk recording/reproducing method and recording/reproducing apparatus using the same
09/25/2003WO2003079336A1 Recording apparatus and recording method
09/25/2003WO2003079335A1 Information recording medium, and information recording/reproducing device and method
09/25/2003WO2003079334A1 Optical disc apparatus
09/25/2003WO2003078390A1 Phenolic compound and recording material containing the same
09/25/2003WO2003078146A1 Method of manufacturing a composite disc structure and apparatus for performing the method
09/25/2003WO2003052485A3 Adaptive optical scanning device
09/25/2003US20030181727 Cyanine dyes
09/25/2003US20030180497 Optical information recording medium and manufacturing method and recording/reproducing method for the same
09/25/2003US20030180496 Containing organometallic compound
09/25/2003US20030180495 Optical device substrate film-formation apparatus, optical disk substrate film-formation method, substrate holder manufacture method, substrate holder, optical disk and a phase-change recording type of optical disk
09/25/2003US20030180473 Multilayer; substrate, dielectric, reverse change recording and protective coating; using sputtering target
09/25/2003US20030180031 Digital video system
09/25/2003US20030179984 Method and device for direct ultrahigh speed conversion from time signal to space signal
09/25/2003US20030179694 Using laser radiation; multilayer, substrate, light reflecting layer, recording layer, adhesive and covering
09/25/2003US20030179693 Stamping; spin coating; pressing under vacuum; photopolymerizable adhesive
09/25/2003US20030179691 High density optical disk and a method of high density recording
09/25/2003US20030179690 Disc necessary for improving normal performance of optical disc driver and method of manufacturing the same
09/25/2003US20030179689 Optical recording medium
09/25/2003US20030179688 Inner region identifier for optical disk
09/25/2003US20030179687 Using electromagnetic radiation; multilayer, bonded with pressure sensitive adhesive; cutting using laser beams
09/25/2003US20030179686 Optical element driving device having two permanent magnets and one magnetic substance
09/25/2003US20030179684 Optically controlled digital data read/write device
09/25/2003US20030179683 Optical head
09/25/2003US20030179682 Optical pickup device, and recording and/or reproducing device
09/25/2003US20030179681 Optical pickup device
09/25/2003US20030179680 Optical pickup apparatus
09/25/2003US20030179679 Discs, image forming methods and optical disc apparatuses
09/25/2003US20030179678 Address information recording device and recording method and reproducing device and reproducing method
09/25/2003US20030179677 Optical pickup apparatus and manufacturing method thereof
09/25/2003US20030179674 Identifying optical disc properties from information read from label side of optical disc
09/25/2003US20030179673 Optical pickup adjusting apparatus and adjusting method
09/25/2003US20030179671 Optical recording medium driving device
09/25/2003US20030179670 Information recording medium, information recording and reproduction method, and information recording and reproduction apparatus
09/25/2003US20030179667 Control method for focus and tracking in pickup apparatus
09/25/2003US20030179666 Pre-pit signal generator compensating a pre-pit signal damped, semiconductor integrated circuit, recording and playback apparatus, and pre-pit signal generation method
09/25/2003US20030179665 Optical disk drive having a tilt compensator
09/25/2003US20030179664 Optical pickup drive method, optical pickup and optical disc apparatus
09/25/2003US20030179663 Recording disk and recording apparatus having a copy prevention feature
09/25/2003US20030179662 Focus control apparatus, optical disk apparatus, and methods therefor
09/25/2003US20030179660 Device, method and program product for controlling disk drive, and recording medium
09/25/2003US20030179471 Objective lens driving apparatus
09/25/2003US20030179469 Objective lens, and optical pickup device using the objective lens
09/25/2003US20030179366 Deflection angle measuring device, optical signal switching system, information recording and replaying system, deflection angle measuring method, and optical signal switching method
09/25/2003US20030179277 Use of a data carrier for storing micro-images
09/25/2003US20030179117 Rewritable cycles; multilayer, recording and dielectrics overcoating substrate; phase change recording; radiation with light
09/25/2003US20030178582 System and method for electron beam irradiation
09/25/2003US20030178581 Electron beam irradiation apparatus and electron beam irradiating method
09/25/2003US20030178548 Optical pickup
09/25/2003DE29824954U1 Optical pickup device with objective lens compatible with several optical disk format - focuses light transmitted through inner area and annular lens area into single light spot by which information is read from information recording surface of second medium
09/25/2003CA2795572A1 Information recording medium, recording apparatus, reproduction apparatus, recording method and reproduction method allowing for updating of a defect list
09/24/2003EP1347453A2 Method for real time recording/playback of data to/from an optical recording medium and method for managing files thereof
09/24/2003EP1347450A2 Information recording method using electron beam, information recording apparatus, and recording medium
09/24/2003EP1347449A1 Method of manufacturing optical disk formed of single disk, and four-layer adhered sheet body and wound body of the sheet body used for the method
09/24/2003EP1347448A1 Optical recording medium and optical recording process using the same
09/24/2003EP1347447A1 Optical pickup with diffractive element for aberration compensation
09/24/2003EP1347445A2 Multi-level information recording apparatus, multi-level information recording method, multi-level information recording medium and multi-level information recording reproducing apparatus
09/24/2003EP1347444A2 Method and apparatus for recording data on optical recording medium
09/24/2003EP1347030A1 Light absorbing agent
09/24/2003EP1346468A1 Amplifier circuit and method for reducing stray feedback
09/24/2003EP1346361A1 Method and apparatus for data reproduction
09/24/2003EP1346360A1 Method and apparatus for data reproduction
09/24/2003EP1346354A2 Device for scanning an electromagnetically suspended information carrier
09/24/2003EP1346353A2 Means for optically storing digital data in the form of particles deposited on a surface, the dimensions of which are less than the wavelengths of radiation for reading the said data
09/24/2003EP1346352A1 Device for reading and/or writing a record carrier
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