| 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) |
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| 04/20/2000 | DE19847730A1 Navigation system for vehicle, aircraft, or ship has data stored sequentially on CD-ROM, allowing access as required |
| 04/20/2000 | CA2345139A1 Method and apparatus for generating focus error signals in a multi-beam optical disk drive |
| 04/19/2000 | EP0994470A2 Optical recording medium and optical recording/reproducing apparatus |
| 04/19/2000 | EP0994469A2 Recording/reproducing apparatus for optical information recording medium and optical head |
| 04/19/2000 | EP0994466A2 Magneto-optical head device having integrated auxiliary lens and magnetic reproducing head and recording and reproducing device using magneto-optical head device |
| 04/19/2000 | CN1251198A Optical disc recording/reproducing method, optical disc, and optical disc device |
| 04/19/2000 | CN1251197A Recording and reproducing method for optical information recording medium, and optical information recording medium |
| 04/19/2000 | CN1250934A Tracing control method |
| 04/19/2000 | CN1250932A Optical recording media and optical recording/reproducing device |
| 04/19/2000 | CN1250931A Recording reproducing device of optical type information recording media, and optical head |
| 04/19/2000 | CN1250930A Optical head, recording and/or reproducing device, and CD driver |
| 04/19/2000 | CN1250929A CD device of assembly for preventing native system reference clock signal from being confused |
| 04/18/2000 | US6052813 Dot code including a plurality of blocks wherein each of the blocks has a block address pattern representing an address of each of the blocks |
| 04/18/2000 | US6052465 Optical disk, an optical disk barcode forming method, an optical disk reproduction apparatus, a marking forming apparatus, a method of forming a laser marking on an optical disk, and a method of manufacturing an optical disk |
| 04/18/2000 | US6052358 Head feeding mechanism and optical pick-up feeding mechanism |
| 04/18/2000 | US6052357 Compact optical disk apparatus having a swing-motion optical head |
| 04/18/2000 | US6052355 Optical pickup apparatus and a compensation element therefor |
| 04/18/2000 | US6052354 Optical data storage medium and method for writing and reading of data |
| 04/18/2000 | US6052353 Double refraction plate with refractive grating pattern around a centerally disposed transparent region to allow the passage of either an ordinary ray or an extraordinary ray |
| 04/18/2000 | US6052349 Waveform equalizer and memory device having a waveform equalizer |
| 04/18/2000 | US6052348 System and method for write location defect compensation in computer storage media |
| 04/18/2000 | US6052347 Method and apparatus for detecting optimum recording power for an optical disk |
| 04/18/2000 | US6052345 System for compensating for hard sector noise degradation of tracking error signals in an optical data storage system |
| 04/18/2000 | US6052344 Disk type, determining apparatus, optical disk reproducing apparatus and tracking error signal generating apparatus |
| 04/18/2000 | US6052343 Optical head having a shading slit |
| 04/18/2000 | US6052340 Turntable for optical recording disc recording apparatus |
| 04/18/2000 | US6052237 Objective lens and scanning device using such an objective lens |
| 04/18/2000 | US6051363 Method for making an optical recording medium |
| 04/18/2000 | US6051298 Optical disc having protective films |
| 04/18/2000 | CA2151452C Magneto-optical recording medium for realizing super resolution and reproducing method using the medium |
| 04/18/2000 | CA2028544C Multi-layered optical disk |
| 04/13/2000 | WO2000021093A1 Spatially-spectrally swept optical memories and addressing methods |
| 04/13/2000 | WO2000021086A1 Method and apparatus for determining the provenance of a data carrying disc |
| 04/13/2000 | WO2000021085A1 System for copy protection of recorded information |
| 04/13/2000 | WO2000021082A1 Process for adhering two recording disks |
| 04/13/2000 | WO2000021081A1 Information recording medium and information recording device |
| 04/13/2000 | WO2000021080A1 Improved optical support for data storage and process for the production thereof |
| 04/13/2000 | WO2000021079A2 Optical data storage disk |
| 04/13/2000 | WO2000021078A1 Optical information recording medium, optical information recording apparatus, and optical information recording method |
| 04/13/2000 | WO2000020517A2 Radiation-curable compositions comprising maleimide compounds and method for producing a substrate with a cured layer |
| 04/13/2000 | WO1999062061A8 Optical recording medium |
| 04/13/2000 | DE19948386A1 Reproduction apparatus, for signal processing digital audio signals composed of one-bit data, uses a signal processing unit coupled to a low-pass filter to process a signal, based on the characteristic selected |
| 04/13/2000 | DE19947815A1 Optical memory medium based on cyanine pigment, especially useful for digital video disk, also contains tetra-n-butylammonium salt of metal complex of 1,2-dimercaptobenzene with electrophilic substituent |
| 04/13/2000 | DE19919804A1 Auto focussing system for use with optical systems, has second source that provides input to measurement system |
| 04/13/2000 | DE19846835A1 Verfahren zur Spurlageregelung Method for tracking control |
| 04/13/2000 | CA2330861A1 Improved optical support for data storage and process for the production thereof |
| 04/12/2000 | EP0993110A1 Amplifier device with digitally controllable gain and optical disc read apparatus incorporating such a device |
| 04/12/2000 | EP0992994A1 Optical disc recording/reproducing method, optical disc, and optical disc device |
| 04/12/2000 | EP0992989A1 Method for producing an optical recording medium |
| 04/12/2000 | EP0992988A2 Optical disk apparatus |
| 04/12/2000 | EP0992987A2 Optical pickup apparatus |
| 04/12/2000 | EP0992986A2 An optical disk and an optical disk recording/reproduction device |
| 04/12/2000 | EP0992985A2 An optical disk and an optical disk recording/reproduction device |
| 04/12/2000 | EP0992341A2 Method and apparatus for gluing two substrates together |
| 04/12/2000 | EP0992035A1 Method of manufacturing a master disc unit and a matrix produced therefrom and adapter ring for manufacturing the master disc unit |
| 04/12/2000 | EP0991960A2 Optical system with anti-reflection coating |
| 04/12/2000 | EP0991516A1 Optical devices and their method of assembly |
| 04/12/2000 | EP0886858B1 Polymer layer for optical media |
| 04/12/2000 | CN1250540A Customized graphics for optical discs |
| 04/12/2000 | CN1250539A Customized graphics for dual layer optical discs |
| 04/12/2000 | CN1250538A Catadioptric optical system, optical pickup and optical disk drive employing the same, and optical disk |
| 04/12/2000 | CN1250212A Optical pick device for controlling light beam deflection and beam angle in disc driving device |
| 04/12/2000 | CN1250211A Optical information recording method and unit |
| 04/12/2000 | CN1250210A Optical information recording method and recording unit |
| 04/12/2000 | CN1250209A Amplifier capable of digital control gain and disc reader mounted the same device |
| 04/12/2000 | CN1250208A Optical information recording media and optical information recording apparatus and method for recording test signal on the same media |
| 04/12/2000 | CN1051272C Injection mold |
| 04/11/2000 | US6049650 Structure for micro-machine optical tooling and method for making and using |
| 04/11/2000 | US6049522 Laminated optical disc and turntable for the laminated optical disc |
| 04/11/2000 | US6049521 Optical recording medium and method for producing same |
| 04/11/2000 | US6049519 Optical system for recording and reproducing for use in optical information recording medium |
| 04/11/2000 | US6049518 Optical disc recording/reproducing apparatus recording/reproducing information to/from optical discs according to different standards |
| 04/11/2000 | US6049516 Information recording and/or reproducing method and apparatus in which a servo process of a light beam is interrupted between input/output control of data at predetermined periods |
| 04/11/2000 | US6049515 Optical disk device and replacement processing method |
| 04/11/2000 | US6049513 Method and apparatus for adjusting a focus bias in an optical disc player |
| 04/11/2000 | US6049512 In a system for creating, reading and writing on rotatable information storage media, an apparatus for two-sided writing |
| 04/11/2000 | US6049430 High numerical aperture objective lens manufacturable in wafer form |
| 04/11/2000 | US6049401 Volume holographic memory |
| 04/11/2000 | US6048690 Methods for electronic fluorescent perturbation for analysis and electronic perturbation catalysis for synthesis |
| 04/11/2000 | US6048669 Optical recording material with photoresists with heat treatment and ulraviolet radiation focusing with lenses |
| 04/06/2000 | WO2000019430A1 Latent irradiance discrimination method and marker system for cartridgeless data storage disks |
| 04/06/2000 | WO2000019421A1 Multibyte random access mass storage/memory system |
| 04/06/2000 | WO2000019420A1 Optical information recording medium, and device and method for recording test signal on it |
| 04/06/2000 | WO2000019264A1 Scanning head lens assembly |
| 04/06/2000 | WO2000018531A1 Dual-layer dvd disc, and method and apparatus for making same |
| 04/06/2000 | WO1998038146A3 Cross-linkable polymeric composition |
| 04/06/2000 | DE19947326A1 Disc type detector for playback of optical discs, uses decision on disc type by detects peaks on inner circumference of disc to set playback conditions |
| 04/06/2000 | CA2345123A1 Multibyte random access mass storage/memory system |
| 04/05/2000 | EP0991063A1 Optical data storage medium provided with a tranparent colouring ink |
| 04/05/2000 | EP0991062A1 Optical pickup device and optical disk recording and/or reproducing device |
| 04/05/2000 | EP0991061A2 Optical recording method and apparatus for recording a link part |
| 04/05/2000 | EP0991060A2 Optical information recording medium, optical information recording apparatus, and method of recording test signal on the same |
| 04/05/2000 | EP0991059A1 Recording apparatus for optical information |
| 04/05/2000 | EP0991058A1 Recording method for optical information |
| 04/05/2000 | EP0991056A2 Disk recording or playback device and method of adjusting initial position of pickup thereof |
| 04/05/2000 | EP0990927A2 Diffraction grating having multiple gratings with different cycles for generating multiple beams and optical pickup using such diffraction grating |
| 04/05/2000 | EP0990233A1 Optical scanning device comprising a main lens and an auxiliary lens |
| 04/05/2000 | EP0990232A1 Optical scanning device comprising a lens system with a compact actuator |
| 04/05/2000 | EP0990231A1 Identification of program information on a recording medium |
| 04/05/2000 | EP0990220A1 Visiting card with cd rom |