| 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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| 07/20/1988 | CN88100145A Optical disc driving device |
| 07/20/1988 | CN87105755A 光头 Bald |
| 07/19/1988 | US4759007 Storage medium track pitch detector |
| 07/19/1988 | US4759006 Abnormal track skipping detection and control arrangement |
| 07/19/1988 | US4759005 Optical head apparatus for recording and reproducing data on a reording medium |
| 07/19/1988 | US4758499 Optical information recording medium |
| 07/19/1988 | US4758485 Slides and recording method for audiovisual slide show |
| 07/19/1988 | US4758307 Method of manufacturing a data storage medium |
| 07/19/1988 | CA1239475A1 Skew detection system for optically read data |
| 07/19/1988 | CA1239474A1 Tracking error detecting apparatus for an optical head |
| 07/14/1988 | WO1988005203A1 Optical disc and optical disc unit |
| 07/14/1988 | WO1988004824A3 Distribution of clock indicia for a quasi-constant linear-velocity disk |
| 07/13/1988 | EP0274420A1 Optical-disk driving apparatus |
| 07/13/1988 | EP0274270A1 Optical recording material |
| 07/13/1988 | EP0274156A2 Transparent plate for optically readable information carrier |
| 07/13/1988 | EP0274092A2 Polycarbonate copolymer and optical disk |
| 07/13/1988 | EP0274031A1 Track control system for positioning a light beam |
| 07/13/1988 | CN87108379A Etched glass and process of manufacturing same |
| 07/12/1988 | US4757492 Method for recording and reproducing information on or from an optical recording medium |
| 07/12/1988 | US4757490 Modulation abnormality detector for optical sound-recording system |
| 07/12/1988 | US4757487 Method and apparatus for detecting track crossings on an optical disc |
| 07/12/1988 | US4756987 Optical recording medium |
| 07/12/1988 | US4756811 Arranging substrate and indium target in chamber, plasma spattering in methane series, hydrogen oxygen atmosphere |
| 07/06/1988 | EP0273691A2 Liquid crystal optical read/write storage medium and system using same |
| 07/06/1988 | EP0273422A2 A method and apparatus for detecting track and focus errors in an optical head |
| 07/06/1988 | EP0273421A2 Optical information storage apparatus and method of deleting information |
| 07/06/1988 | EP0273384A1 Optical information recording disk and optical information recording disk apparatus |
| 07/06/1988 | EP0273367A2 Objective lens driving apparatus |
| 07/06/1988 | EP0273356A2 An optical head |
| 07/06/1988 | EP0273295A2 Optical pick-up apparatus |
| 07/06/1988 | EP0273071A1 Rotary access arm for optical disks |
| 07/05/1988 | USRE32709 Tracking system for video disc player |
| 07/05/1988 | US4755980 Optical disk and recording/reproducing device for optical disk |
| 07/05/1988 | US4755977 Runout compensation for a coarse tracking servo system in an optical disk storage unit |
| 07/05/1988 | CA1238781A1 Optical recording element having a polymerized crosslinked homopolymer smoothing layer |
| 07/04/1988 | WO1988005202A1 Optical disc discriminating device |
| 06/30/1988 | WO1988004827A1 Optical memorizing device |
| 06/30/1988 | WO1988004826A1 Memorizing device with moving information carrier |
| 06/30/1988 | WO1988004824A2 Distribution of clock indicia for a quasi-constant linear-velocity disk |
| 06/30/1988 | WO1988004823A1 Optical-mechanical memorizing device |
| 06/30/1988 | WO1988004822A1 Information storage device |
| 06/30/1988 | WO1988004821A1 Flexure supported read/write head |
| 06/30/1988 | WO1988004819A1 Read/write head adjusting motor assembly |
| 06/30/1988 | WO1988004818A1 Optical memorizing device |
| 06/30/1988 | WO1988004794A1 Solid particle dispersion filter dyes for photographic compositions |
| 06/30/1988 | DE3731861A1 Test set-up for optical plates |
| 06/29/1988 | EP0272935A2 Recording device and reproducing device |
| 06/29/1988 | EP0272933A2 Process for the preparation of information recording medium |
| 06/29/1988 | EP0272875A2 Optical recording card and method of producing the same |
| 06/29/1988 | EP0272873A2 Tracking servo systems for optical disc players |
| 06/29/1988 | EP0272724A1 Optical scanning apparatus |
| 06/29/1988 | EP0272565A2 Mono- and disubstituted phthalocyanines |
| 06/29/1988 | EP0084534B1 High density recording medium and method for making same |
| 06/29/1988 | CN87108331A Optical memory |
| 06/29/1988 | CN87107462A Storage device with movable information carrier |
| 06/28/1988 | US4754460 Drive circuit for semiconductor laser of opto-electric recording/playback apparatus |
| 06/28/1988 | US4754446 For processing information |
| 06/28/1988 | US4754355 Optical head |
| 06/28/1988 | US4754339 Information recording disc pre-recorded with address and pseudo address signals |
| 06/28/1988 | US4754129 Grating adjustment apparatus of 3-beam type optical pick-up |
| 06/28/1988 | US4754128 Optical cards and processes for preparing the same |
| 06/28/1988 | US4753867 Optical recording medium |
| 06/28/1988 | US4753864 High contrast optical memory tape |
| 06/28/1988 | US4753861 Binaphthyl, bianthryl, biquinolyl |
| 06/28/1988 | US4753830 Forming layer of clathrate compound, transferring to substrate |
| 06/28/1988 | US4753513 Optical type head device |
| 06/28/1988 | CA1238489A1 Information recording medium |
| 06/28/1988 | CA1238488A1 Laser recording film |
| 06/22/1988 | EP0272139A2 Reproduction method for disk player |
| 06/22/1988 | EP0272090A2 Address search method for video disk player or the like |
| 06/22/1988 | EP0271977A2 Erasable optical data storage medium having an embedded servotrack and a subsurface recording interface |
| 06/22/1988 | EP0271900A2 Device, method and apparatus for optical modulation |
| 06/22/1988 | EP0271630A2 Information storage medium and method of erasing information |
| 06/21/1988 | US4752922 Optical disk recording and readout system having read, write and coarse light beams |
| 06/21/1988 | US4752820 Dielectric liquid crystals |
| 06/21/1988 | US4752554 Optical information recording medium |
| 06/21/1988 | US4752548 Light-sensitive bisazulenium salt compound compositions and electrophotographic photoreceptors formed therewith |
| 06/21/1988 | US4752117 Objective lens driving device |
| 06/21/1988 | US4751927 Hair implantation method and device |
| 06/16/1988 | WO1988004455A1 Multiple card recording system |
| 06/15/1988 | EP0271300A2 Replication of carriers bearing digitally recorded information |
| 06/15/1988 | EP0271000A2 Flat material for optical laser recording |
| 06/15/1988 | EP0270874A2 Optical pick-up apparatus |
| 06/15/1988 | EP0270684A1 Pickup transfer device of an optical disk apparatus |
| 06/14/1988 | US4751695 Method and apparatus for tracking servo system |
| 06/14/1988 | US4751694 Compact optical disk player including non-orthogonal optical paths |
| 06/14/1988 | US4751693 Memory disk apparatus |
| 06/14/1988 | US4751692 Method and apparatus for recovering information from a videodisc |
| 06/14/1988 | US4751602 Device for guiding an information carrier in tape form |
| 06/14/1988 | US4751588 Video disc reproducing apparatus |
| 06/14/1988 | US4751394 Apparatus for recording and/or reproducing information using a card-like recording medium |
| 06/14/1988 | US4751309 Methine dyes and preparation thereof |
| 06/14/1988 | US4751124 Information recording medium |
| 06/14/1988 | US4750826 Optical assembly comprising a holder and an optical element |
| 06/14/1988 | US4750819 Anamorphic prism |
| 06/14/1988 | CA1237933A1 Camera |
| 06/08/1988 | EP0270380A2 Optical head |
| 06/08/1988 | EP0270365A1 Servo circuits for optical disc information recording and/or reproducing apparatus |
| 06/08/1988 | EP0270357A1 Optical disk drive device and information storage device |
| 06/08/1988 | EP0270118A2 Apparatus for recording and reading an optical disc, having reduced offset in its tracking error signal |