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)
11/2000
11/29/2000CN1274911A Optical sensor device
11/29/2000CN1274862A Method and apparatus for controlling power of laser diode
11/29/2000CN1059046C Objective lens drive device and coil bobbin thereof
11/29/2000CN1059045C Compatible recording and/or playback device
11/28/2000US6154806 Method for recording digital signals on multiple-layered disks
11/28/2000US6154442 Multilayered optical information-recording media laminated with thermal plastic resin sheets and process for manufacturing thereof
11/28/2000US6154441 Method for centering a hub in an optical disc, and an optical storage system using such disc
11/28/2000US6154440 Optical disc
11/28/2000US6154439 Optical recording medium and manufacturing method thereof
11/28/2000US6154438 Storage disk having surface variations that vary minimally in height relative to a datum
11/28/2000US6154437 Phase-change optical recording medium and its writing with high reliability after long period use and/or high environmental temperature storage
11/28/2000US6154434 Optical head with both a servo signal and a Rf signal detecting elements fabricated on a single substrate
11/28/2000US6154433 Light beam shaping device to change an anisotropic beam to an isotropic beam for reducing the size of an optical head
11/28/2000US6154432 Optical storage system
11/28/2000US6154431 Recording and reproducing apparatus
11/28/2000US6154429 Device for reading from and/or writing to optical recording media
11/28/2000US6154426 Optical pick-up head unit and information record and playback equipment using the optical pick-up head unit
11/28/2000US6154425 Driving apparatus of an optical recording medium
11/28/2000US6154424 Control device of a pickup head for locating the track position
11/28/2000US6154326 Optical head, disk apparatus, method for manufacturing optical head, and optical element
11/28/2000US6154275 Optical disc inspection equalization system and method
11/28/2000US6153355 Optical recording medium and method for preparing the same
11/28/2000US6153063 Barrier layer of germanium (oxy)nitride
11/27/2000CA2273501A1 Apparatus and method for modifying an optical cd-r storage device
11/25/2000CA2309292A1 Preparing method for audio disc wherein a specific toc is first written in a lia
11/23/2000WO2000070613A1 Method for creating caption-based search information of moving picture data, searching moving picture data based on such information, and reproduction apparatus using said method
11/23/2000WO2000070612A1 Disk apparatus
11/23/2000WO2000070611A1 Disk apparatus
11/23/2000WO2000070608A1 Disk-like multilayer information recording medium and production method thereof
11/23/2000WO2000070607A1 Substrates for optical storage media
11/23/2000WO2000070606A1 Method for producing a hybrid disk, and hybrid disk
11/23/2000WO2000069920A1 Vinylcyclohexane-based polymers
11/23/2000CA2373712A1 Substrates for optical storage media
11/23/2000CA2372130A1 Vinylcyclohexane-based polymers
11/22/2000EP1054399A1 Apparatus for manufacturing information record medium, information record medium, information recording apparatus and method
11/22/2000EP1054395A1 Optical disc recording apparatus, optical disc recording methods, and optical discs
11/22/2000EP1054394A2 Optical recording medium reducing optical spot size.
11/22/2000EP1054393A2 Phase-change recording medium for write once applications
11/22/2000EP1054392A2 Optical recording medium
11/22/2000EP1053545A1 Integrated optical apparatus providing separated beams on a detector and associated methods
11/22/2000EP1053544A1 Method for executing track skipping
11/22/2000CN2407429Y Optical pickup for reading DVD and CD
11/22/2000CN1274463A Method for real time recording/playback of data to/from optical recording medium and method for managing files thereof
11/22/2000CN1274462A Method and appts. of recording data in optical recording medium
11/22/2000CN1274459A Optical recording medium
11/22/2000CN1274153A Light-spot measurement reduced optical recording medium
11/22/2000CN1274152A Once-writing phase change recording medium
11/22/2000CN1274151A Optical recording medium
11/22/2000CN1274150A Optical information memory storage and optical device
11/22/2000CN1274149A Optical recoding medium, its recording/reproducing method
11/22/2000CN1274148A Anticopy optical disk of software
11/21/2000US6151444 Motion picture including within a duplication of frames
11/21/2000US6151293 Two-layer optical disk unaffected by position deviation
11/21/2000US6151292 Optical disk having sequentially numbered sectors and logical tracks formed by a series of 2n sectors, and disk drive apparatus for using such an optical disk
11/21/2000US6151291 Device for optically reading digital data from a medium, particularly a laser disk reader device
11/21/2000US6151290 Inexpensive safe light beam recorder
11/21/2000US6151289 Multibyte random access mass storage/memory system
11/21/2000US6151288 Optical head assembly
11/21/2000US6151287 Optical mass storage device, with data recording light-sensitive layer
11/21/2000US6151283 Lens cleaner for a disc unit
11/21/2000US6151282 Clock matching apparatus for a data reproduction system
11/21/2000US6151281 Reading and writing an incomplete recording on an optical disk
11/21/2000US6151280 Focus jump control apparatus of a player for multilayer recording disc
11/21/2000US6151192 Magneto-optic multitrack reading head with a kerr effect layer
11/21/2000US6151174 Device for optically scanning a record carrier
11/21/2000US6151154 Optical pickup, aberration correction unit and astigmatism measurement method
11/21/2000US6150888 Phase locked loop circuit, reproduction apparatus and phase locking method
11/21/2000US6150000 Magneto-optical disk and superdensity disk employing integral substrate, and method for manufacturing the same
11/21/2000US6149999 Method of designing a phase-change optical recording medium, and a phase-change optical recording medium
11/21/2000US6148891 CD labeling device
11/21/2000US6148542 Method for curing an adhesive between two layers of an information carrier
11/19/2000CA2308427A1 Optical output adjustment apparatus and optical output adjustment method
11/16/2000WO2000069070A1 Circuit arrangement and optical read/write device including the circuit arrangement
11/16/2000WO2000068943A1 Optical head
11/16/2000WO2000068942A1 Optical scanning device comprising a bent actuator coil
11/16/2000WO2000068868A1 Data storage card having both linear and annular data regions
11/16/2000DE19921943A1 Substrate for optical data storage, based on homo-, co- and/or block polymers of vinylcyclohexane, and has specified moment of inertia and specific density
11/16/2000DE19921941A1 Vinylcyclohexane polymer, useful for the production of optical storage disks, has specified molecular weight, polydispersion index and melt viscosity
11/16/2000DE10019435A1 Optical disk recording and/or reproduction device follows modulated track on optical disk adjacent to special track from which reflected beam is detected
11/15/2000EP1052639A2 Recording medium for storing linking type information and method of processing defective area using the same
11/15/2000EP1052638A1 Optical disk recording and reproducing method and apparatus therefor
11/15/2000EP1052633A1 Apparatus for recording optical disks, featuring increased operating speed
11/15/2000EP1052632A2 Optical information recording medium
11/15/2000EP1052631A2 Optical information recording medium, method for producing the same, and method and apparatus for recording/reproducing information thereon
11/15/2000EP1052630A1 Optical disc with transparent film
11/15/2000EP1052629A1 Optical recording medium
11/15/2000EP1052628A2 Optical information storage apparatus and optical device
11/15/2000EP1052627A1 Method and apparatus for focus control
11/15/2000EP1052626A2 Method and apparatus for measuring crosstalk of an optical disc
11/15/2000EP1052538A1 Master negative film making apparatus, master negative film making method, and master negative film
11/15/2000EP1051710A1 Solid state director for beams
11/15/2000EP1051706A1 Data medium optical recording/reading device
11/15/2000EP1051705A1 Bonded optical disks and a method and an apparatus for producing the same
11/15/2000EP1051667A1 Optical data storage by selective localized alteration of a format hologram
11/15/2000EP0889472B1 Method for substituting defective recording of discoid recording medium and discoid recording medium recording and reproducing device
11/15/2000EP0886857B1 Multiple data layer optical disk drive system with fixed aberration correction and optimum interlayer spacing
11/15/2000CN2406310Y Improved structure of rail of optical reading-writing head seat-pair
11/15/2000CN2406309Y Video disc machine capable of recording two discs
11/15/2000CN1273703A Semiconductor laser device
11/15/2000CN1273666A 光学存储介质 Optical storage media
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