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)
08/2000
08/16/2000EP1027702A1 A method of manufacturing a stamper for producing optical discs, a stamper thus obtained and an optical disc obtained by using such a stamper
08/16/2000EP1027701A1 Focus error correction apparatus
08/16/2000EP1027354A1 Phthalocyanine analogs
08/16/2000EP0840926B1 Method and apparatus for making an optical information record
08/16/2000CN2392238Y Reequiped type automobile laser video and audio device
08/16/2000CN2392237Y Luminescence CD disc
08/16/2000CN1263629A Disk identifying method
08/16/2000CN1263627A Optical scanning device comprising a main lens and an auxiliary lens
08/16/2000CN1263626A Optical scanning device comprising lens system with compact actuator
08/16/2000CN1263604A Method of manufacturing lens system comprising two lens elements
08/16/2000CN1263540A Homopolymers with high photoinduceable double refraction
08/16/2000CN1263345A Recording medium and system for recording and reproducing said recording medium
08/16/2000CN1263342A Optical disk making method and its equipment
08/16/2000CN1263341A Production method of data optical disk with full figure pattern
08/16/2000CN1263340A Optical pick-up device
08/16/2000CN1263339A Optical head device, recording/regenerating device and optical element and information recording/regenerating method
08/16/2000CN1263338A Light-dividing device for reading digital colour multi-layer multi-stage optical disk signal
08/16/2000CN1263337A Optical head capable of reducing adjacent orbit crossfire
08/16/2000CN1263336A Optical disk and its recording/regenerating device
08/16/2000CN1263335A Optical disk and its recording/regenerating device
08/16/2000CN1055559C Optical disk apparatus
08/16/2000CN1055558C Objective lens driving apparatus and method for manufacture thereof
08/15/2000US6104694 Reproduction or recording device for optical recording media
08/15/2000US6104692 Information recording method and apparatus
08/15/2000US6104691 Objective lens unit and recording/reproduction apparatus
08/15/2000US6104690 Integrated optical apparatus and associated methods
08/15/2000US6104689 Sensor system for optical disc drive
08/15/2000US6104688 Objective lens, reproducing apparatus and reproducing method
08/15/2000US6104687 Method and apparatus for coupling an optical lens to a disk through a coupling medium having a relatively high index of refraction
08/15/2000US6104686 Copy protection marks on a transparent layer of an optical disk indicating that the disk has been previously accessed
08/15/2000US6104685 Information recording apparatus
08/15/2000US6104683 Method and apparatus for writing and reading optical recording medium
08/15/2000US6104682 Disk apparatus having a data reproducing system using a digital PLL
08/15/2000US6104681 Disk apparatus
08/15/2000US6104680 Device for writing to or reading from optical recording media
08/15/2000US6104019 Device for and method of focus control, and information reproduction apparatus having the device
08/15/2000US6103856 Linear aromatic polycarbonate which has been prepared by reacting an aromatic dihydroxy compound with a carbonate precursor through solution or melt polycondensation and cyclic aromatic carbonate
08/15/2000US6103331 Optical recording medium comprising organic dye thin film
08/15/2000US6103330 Comprising a phase change type recording layer containing at least one element selected from indium, silver, tellurium and antimony; the recording layer is formed by sputtering
08/15/2000US6103300 Texturing the metal substrate surface; dipping in an aqueous solution of either a carboxylic acid and/or l-ascorbic acid and exhibiting a ph of 5.0 or less to clean away dust and powder; depositing a base layer and a magnetic layer
08/15/2000US6103177 Positioning a driving mechanism of an optical system such as an objective lens used for converging a laser beam onto a glass master.
08/15/2000US6103039 System and method for thermally manipulating a combination of a top and bottom substrate before a curing operation
08/10/2000WO2000046805A1 Information recording medium, information recording method and information recording/reproduction system
08/10/2000WO2000046803A1 Method for creating stream data and method for partial deletion
08/10/2000WO2000046800A2 Optical scanning device with parallel-controlled actuators
08/10/2000WO2000046799A1 Optical disk recorder and optical disk recording method
08/10/2000WO2000046798A1 Optical recording medium and recording / reproduction method and apparatus therefor
08/10/2000WO2000037982A3 Optical lens system and scanning device provided with such a system
08/10/2000WO2000011670A9 Heated head for data storage systems
08/10/2000DE19904408A1 Polycarbonate used for substrates for optical data storage is prepared from phosgene and sodium bisphenolate with the exclusion of oxygen in an interphase process
08/09/2000EP1026681A1 Information recording medium, information recording method and information recording/reproduction system
08/09/2000EP1026677A2 Manufacturing method and apparatus for optical disc
08/09/2000EP1026676A2 Lens assembly and optical head using the same
08/09/2000EP1026675A1 Light guide and optical pickup
08/09/2000EP1026674A1 Near-field optical recording apparatus assistively heating recording medium
08/09/2000EP1026673A1 Optical recording medium drive
08/09/2000EP1026672A2 Recording medium having wobbled groove tracks out of phase with wobbled land tracks, servo controlling apparatus using wobble signal and method thereof
08/09/2000EP1026671A1 Optical recording medium and recording/reproduction method and apparatus therefor
08/09/2000EP1026670A2 Optical recording medium and recording/reproduction method and apparatus therefor
08/09/2000EP1026669A2 Optical recording medium and recording/reproduction method and apparatus therefor
08/09/2000EP1026668A1 Method of checking rotationally symmetric articles
08/09/2000EP1026214A2 Bonding system and method
08/09/2000EP1025988A1 Multi-layered coated substrate and method of production thereof
08/09/2000EP1025562A1 Method and device for measuring and registering statistical time variations for an optical data carrier
08/09/2000EP1025560A1 Copy protectable optical media device and methodology therefor
08/09/2000EP1025279A1 Introducing process fluid over rotating substrates
08/09/2000EP0853804A4 Method and apparatus for storing and retrieving information using optical data storage media
08/09/2000CN1262810A Stepping motor control device and optical head drive device
08/09/2000CN1262768A Reproducing method for magneto-optic recording medium, and magneto-optic disk device
08/09/2000CN1262767A Optical scanning unit comprising first and second lens unit
08/09/2000CN1262764A Data stream recording/reproducing apparatus, recording/reproducing method, and recording medium
08/09/2000CN1262511A Method and equipment for locating and sticking protective film on optical disk
08/09/2000CN1262506A Recording medium, system and method for recording reproducing same
08/08/2000US6101165 Trackingless high-speed optical readout method by planar apertured probe array
08/08/2000US6101163 Optical disc apparatus with reduced leakage of wobble signal to reproduction signal
08/08/2000US6101162 Method and apparatus for initializing rewritable recording media
08/08/2000US6101161 Volume holographic data storage system incorporating therein a cylindrical storage medium
08/08/2000US6101159 Optical data recording method, and data recording medium
08/08/2000US6101158 Apparatus and method for reducing phase discontinuity between new data and previously written data on a read/write optical storage medium
08/08/2000US6101157 Apparatus and method for focus control of read light irradiated on a recording surface
08/08/2000US6101156 Focus control device to perform focus control for a multi-layer recording medium
08/08/2000US6101155 Lens for optical data storage system
08/08/2000US6101009 Holographic data storage and/or retrieval apparatus having a spherical recording medium
08/08/2000US6100724 Digital signal reproducing circuit
08/08/2000US6099930 Multilayer recording elements with reflective layer and protective coatings
08/03/2000WO2000045383A1 Optical head
08/03/2000WO2000045382A1 Disklike storage medium and tracking method using the same
08/03/2000WO2000045381A1 Record carrier, playback device and method of recording information
08/03/2000WO2000044701A1 Material for light energy storage/light-heat energy conversion
08/03/2000DE19902338A1 Hubvorrichtung für Substrate Lifting device for substrates
08/03/2000DE19544281C2 Vorrichtung zum Laserstrahlbelichten eines kreisscheibenförmigen Substrates und Verfahren zum zentrischen Spannen eines kreisscheibenförmigen Substrates A device for laser beam exposure of a circular disk-shaped substrate and method for centered clamping of a circular disc-shaped substrate
08/02/2000EP1024495A2 Recording medium and system for recording and reproducing the recording medium
08/02/2000EP1024494A2 Recording medium and system for recording and reproducing the recording medium
08/02/2000EP1024492A2 Recording medium, and system and method for recording and reproducing
08/02/2000EP1024484A2 Method for producing optical information-recording medium and optical information-recording medium
08/02/2000EP1024483A1 Optical pickup and lens holder therefor
08/02/2000EP1024482A1 Actuator base for optical pickup and method for manufacturing the same
08/02/2000EP1024481A2 Optical disc apparatus
08/02/2000EP1024480A2 Object lens supporting unit capable of offsetting positional deviation of the lens caused by warp of suspension wire and method of assembling the unit
08/02/2000EP1024479A2 Optical pickup and optical disk apparatus using the same