| 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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| 11/16/1999 | US5987417 DVD audio disk reproducing device and method thereof |
| 11/16/1999 | US5987211 Seamless transmission of non-sequential video segments |
| 11/16/1999 | US5987004 Optical disk with reinforcing plate |
| 11/16/1999 | US5987003 Coated disk substrate having a small thickness region |
| 11/16/1999 | US5987002 Magneto-optical recording medium and method and apparatus for reproducing data therefrom |
| 11/16/1999 | US5986999 Tracking control device in an optical information reproducing device and method of tracking control |
| 11/16/1999 | US5986998 Optical head having two vertical cavity surface emitting lasers with different wavelengths |
| 11/16/1999 | US5986997 Updatable optical data storage disc having reduced crosstalk between tracks, and drive for same |
| 11/16/1999 | US5986996 Optical pick-up and optical recording system |
| 11/16/1999 | US5986995 High NA catadioptric focusing device having flat diffractive surfaces |
| 11/16/1999 | US5986994 Light pickup of thin type |
| 11/16/1999 | US5986993 Optical pickup device having a diaphram with a predetermined aperture |
| 11/16/1999 | US5986990 Device for detecting digital bit in optical disc reproducing apparatus |
| 11/16/1999 | US5986989 Method for processing the output signals of an optoelectronic scanner in a replay or recording appliance, and a corresponding appliance |
| 11/16/1999 | US5986988 Optical disk recording method employing a plurality of recording areas and apparatus therefor |
| 11/16/1999 | US5986987 PRML readout system for optical disk |
| 11/16/1999 | US5986986 Method for regenerating synchronizing signal by judging whether or not the extracted synchronizing signal includes the second and third window signals |
| 11/16/1999 | US5986985 Dual CD/DVD player with automatic disc identification |
| 11/16/1999 | US5986984 Optical information processing device having switchable optics for use with plural media types |
| 11/16/1999 | US5986983 Multiple degrees of freedom actuator for optical recording |
| 11/16/1999 | US5986982 Optical disk device with optical path length changing member |
| 11/16/1999 | US5986980 Optical disc device capable of recording information data as a plurality of linking packets |
| 11/16/1999 | US5986850 Positive pressure optical slider having wide center rail |
| 11/16/1999 | US5986825 Optical actuator with tensioned suspension |
| 11/16/1999 | US5986779 Multiple focus lens, an optical head apparatus and an optical information recording-reproducing apparatus |
| 11/16/1999 | US5985401 Optical information recording medium |
| 11/16/1999 | US5985400 Applying precoating/pretreatment solution of polyvinyl alcohol surface modifier in solvent; compact discs |
| 11/16/1999 | US5984521 Method and apparatus for generating descrambling data for CD-ROM decoder |
| 11/16/1999 | US5984512 Method for storing video information |
| 11/16/1999 | CA2036715C Optical disc having signal recording layer on each side and method for producing same |
| 11/11/1999 | WO1999057733A1 Dielectric radiation-curable coating compositions |
| 11/11/1999 | WO1999057722A1 An etched glass disk process |
| 11/11/1999 | WO1999057721A1 Apparatus for trimming dye coated on a recordable disc substrate and related method |
| 11/11/1999 | WO1999057720A1 Single objective lens for use with cd or dvd optical disks |
| 11/11/1999 | WO1999057719A1 System and method for recording of information on a holographic recording medium, preferably an optical card |
| 11/11/1999 | WO1999056935A1 Structure and method for molding optical disks |
| 11/11/1999 | WO1999049460A3 Optical scanning unit comprising a first and a second lens unit |
| 11/11/1999 | WO1999031956A3 Automated servo gain adjustment using fourier transform |
| 11/11/1999 | WO1998037456A9 Silver halide material for optical memory devices with luminescent reading and methods for the treatment thereof |
| 11/11/1999 | DE19914985A1 Producing a master disk for an optical disk for recording information |
| 11/11/1999 | CA2330290A1 Apparatus for trimming dye coated on a recordable disc substrate and related method |
| 11/10/1999 | EP0955635A1 Recording apparatus and method, and reproducing apparatus and method |
| 11/10/1999 | EP0955632A1 A method of manufacturing a stamper, a stamper obtained by carrying out such a method as well as an optical disc obtained by using such a stamper |
| 11/10/1999 | EP0955631A2 Optical disc with a rewritable area and a read-only area |
| 11/10/1999 | EP0955630A1 Apparatus for writing and reading optical recording medium |
| 11/10/1999 | EP0955348A1 Liquid-crystal composition and polymeric liquid crystal obtained by polymerizing the same |
| 11/10/1999 | EP0954860A1 Apparatus and method for scheduled playing of compact disc audio tracks |
| 11/10/1999 | EP0954859A1 Catadioptric optical system, optical pickup and optical disk drive employing the same, and optical disk |
| 11/10/1999 | EP0954858A1 Plate-like optical storage medium and reading device |
| 11/10/1999 | CN2348462Y Hanging device for optical read head module |
| 11/10/1999 | CN2348461Y Bad disk repairing reconditioning apparatus |
| 11/10/1999 | CN1234900A Device for exchanging information with storage medium having electronic circuit, and electronic circuit and system including same |
| 11/10/1999 | CN1234899A Method and apparatus for writing optical recording media |
| 11/10/1999 | CN1234838A Sheet-form magnetron sputtering device |
| 11/10/1999 | CN1234581A Method and apparatus of producing information storage device |
| 11/10/1999 | CN1234580A Method for producing target material of magnetic CD. recording medium |
| 11/10/1999 | CN1046367C Optical probe for elimination of scanning disturbances |
| 11/09/1999 | USRE36383 Optical recording medium and production process for the medium |
| 11/09/1999 | US5983387 Information recording method, reproducing method, and reproducing apparatus |
| 11/09/1999 | US5983167 Disc dishing measurement method and apparatus |
| 11/09/1999 | US5983057 Color imaging system with selectively openable optical shutter |
| 11/09/1999 | US5983028 Usage control device |
| 11/09/1999 | US5982886 Unauthorized use preventing method for optical disks, optical disk having unauthorized use prevention function, and optical disk apparatus |
| 11/09/1999 | US5982740 Dry bonded digital versatile disc |
| 11/09/1999 | US5982739 Optical data recording apparatus producing a laser beam having a diameter larger than optical media groove width |
| 11/09/1999 | US5982738 Optical recording medium having at least wobbled synchronous information shared between tracks |
| 11/09/1999 | US5982737 Optical disk having first design visible from one side of the disk and a second design visible from the other side of the disk |
| 11/09/1999 | US5982736 Trading card optical compact disc and methods of using and forming same |
| 11/09/1999 | US5982735 Tilt angle adjustable mechanism for compact disc recording/reproducing device |
| 11/09/1999 | US5982733 Optical head |
| 11/09/1999 | US5982732 Optical head having multiple light sources having different wavelengths |
| 11/09/1999 | US5982731 Optical pickup and opto-magnetic signal reproducing apparatus |
| 11/09/1999 | US5982729 Optical disk device and replacement processing method |
| 11/09/1999 | US5982728 Reading information from a disk-shaped recording medium that is rotatable at a plurality of speeds |
| 11/09/1999 | US5982727 Disc recording/reproducing apparatus with a selectable method of generating a table of contents |
| 11/09/1999 | US5982726 Multi-rate optical disc recording and reproducing apparatus |
| 11/09/1999 | US5982725 Method and apparatus for checking the quality of CD-ROMs or the like for reading them at matching speeds |
| 11/09/1999 | US5982723 Data recording and reproducing method for multi-layered optical disk system |
| 11/09/1999 | US5982722 Tracking servo apparatus for carrying out tracking by eliminating an offset component from an output signal and method therefor |
| 11/09/1999 | US5982721 Optical disc drive comprising switching gains for forcing phase states to follow a sliding line trajectory in a servo system |
| 11/09/1999 | US5982718 Verifying data by controlling the gain of an amplifying means according to a window width comparator |
| 11/09/1999 | US5982716 Magneto-optic recording system employing near field optics |
| 11/09/1999 | US5982714 Laser beam adjusting for magnetic field modulation overwrite magneto-optical recording device |
| 11/09/1999 | US5982565 Plastic lens and method of making the same |
| 11/09/1999 | US5982564 Objective lens driving apparatus |
| 11/09/1999 | US5982409 Optical probe element, and a recording and reproduction device using the optical probe element |
| 11/09/1999 | US5981936 Photo detector circuit having a current mirror circuit |
| 11/09/1999 | US5981903 Laser system for simultaneous texturing of two sides of a substrate |
| 11/09/1999 | US5981682 Silicon bonding agent for optical memory element, optical memory element, and method for manufacturing optical memory element |
| 11/09/1999 | US5981428 Reversibly changeable heat-sensitive recording medium |
| 11/09/1999 | US5981015 Method for selecting a material suitable for a substrate for information recording media, material selected using this method, and magnetic disk formed using this material |
| 11/09/1999 | US5981014 Optical recording medium and method for preparing the same |
| 11/09/1999 | US5980985 An apparatus comprising a turntable having an aligned center aperture for receiving the disc-shaped recording medium to deposit the resin coatings with a uniform thickness |
| 11/09/1999 | US5980677 Method of laminating disc substrates |
| 11/09/1999 | US5979772 Optical card |
| 11/04/1999 | WO1999056306A1 Device for fixing substrates |
| 11/04/1999 | WO1999056277A1 An optical recording head having a solid immersion lens |
| 11/04/1999 | WO1999056157A2 Optical system with anti-reflection coating |
| 11/04/1999 | WO1999048092A3 Optical record carrier |
| 11/04/1999 | WO1999048091A3 Optical record carrier and scanning apparatus |