| 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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| 03/18/1987 | EP0214828A2 Organic nonlinear optical substrates |
| 03/18/1987 | EP0214824A2 Manufacturing method for an optical memory element |
| 03/18/1987 | EP0214677A1 Optical-scanning unit |
| 03/18/1987 | EP0214539A2 Optical recording medium |
| 03/18/1987 | EP0214529A1 Positioning device for an optical data memory |
| 03/18/1987 | EP0214200A1 Circuit for an audio and/or video disk playback device. |
| 03/18/1987 | CN85106369A Method of taking and reproducing holograms |
| 03/17/1987 | US4651314 Optical recording and reproducing equipment |
| 03/17/1987 | US4651313 Method and apparatus for writing information on processed photographic film |
| 03/17/1987 | US4651231 Timing system for laser disc having digital information |
| 03/17/1987 | US4651172 Information recording medium |
| 03/17/1987 | US4650982 Optical head for a disc reader |
| 03/17/1987 | US4650743 Optical coating composition |
| 03/17/1987 | US4650742 Recording media with recording layer of two metal layers sandwiching sublimable organic substance layer |
| 03/17/1987 | US4650735 Master disk with metal peel, readable with optical beam |
| 03/17/1987 | US4650294 Objective lens apparatus |
| 03/17/1987 | CA1219367A1 Video signal recording and reproducing apparatus |
| 03/12/1987 | WO1987001488A1 Laser recording and storage medium |
| 03/12/1987 | WO1987001487A1 Prerecorded dual strip data storage card |
| 03/12/1987 | WO1987001467A1 Anamorphic prism |
| 03/12/1987 | WO1987001466A1 Optical head device |
| 03/11/1987 | EP0213923A2 Optical recording medium and method of recording |
| 03/11/1987 | EP0213623A2 Optical disc recording and reproducing apparatus |
| 03/11/1987 | EP0213561A1 Positioning device for an optical-disc memory |
| 03/11/1987 | EP0213358A1 Optical recording carrier and method of producing the same |
| 03/11/1987 | EP0213307A2 Optical disc |
| 03/11/1987 | CN85106801A 光学拾音器 The optical pickup |
| 03/10/1987 | US4649518 Metal halide doped with metal and hydride |
| 03/10/1987 | CA1219073A1 Optical focus position control in an optical memory system |
| 03/10/1987 | CA1219068A1 Method of encoding a recording signal, record carrier provided with a recording signal encoded in accordance with the method, apparatus for carrying out the method, and apparatus for reproducing a signal encoded in accordance with the method |
| 03/05/1987 | DE3530589A1 Positioning device for an optical data store |
| 03/04/1987 | EP0212941A2 Optical pick-up devices |
| 03/04/1987 | EP0212907A2 Process for fabricating optical recording media |
| 03/04/1987 | EP0212697A1 Device for guiding a slide, and electrodynamic apparatus comprising said device |
| 03/04/1987 | EP0212336A1 A method of optical recording |
| 03/04/1987 | EP0212319A2 Resins prepared from fluorinated polymers |
| 03/04/1987 | EP0212271A2 Micro replication process |
| 03/04/1987 | EP0212244A1 Disk player |
| 03/04/1987 | EP0211912A1 Focus regulation for an apparatus for disc-shaped rotating information supports. |
| 03/03/1987 | US4648085 Optical information recording and reading apparatus with error correction |
| 03/03/1987 | US4648084 Storage medium track pitch detector |
| 03/03/1987 | US4647948 Radiation-sensitive record utilizing an annular ring and projections on the disc as spacers between two adjacent discs |
| 03/03/1987 | US4647947 Optical protuberant bubble recording medium |
| 03/03/1987 | US4647944 Method for the optical recording of information and an optical recording element used in the method |
| 03/03/1987 | US4647155 Multi-laser optical signal recorders |
| 02/26/1987 | WO1987001076A1 Optical recording medium |
| 02/26/1987 | DE3529091A1 Light-optical device for steering or aligning a beam |
| 02/26/1987 | DE3529090A1 Light-optical device for steering or aligning a beam onto tracks of an information carrier |
| 02/26/1987 | DE3529088A1 Light-optical device for steering or aligning a beam |
| 02/25/1987 | EP0211435A1 Optical information storage medium |
| 02/25/1987 | EP0211330A2 Optical disc base plate and process for producing the same |
| 02/25/1987 | EP0211081A1 Apparatus for reading optical card |
| 02/25/1987 | EP0211068A1 Method for controlling access to recorded data |
| 02/24/1987 | US4646285 Shutter plate control device in a disc playback device |
| 02/24/1987 | US4646283 Objective lens driving apparatus for optical disc player |
| 02/24/1987 | US4646281 Read channel for an optical recorder |
| 02/24/1987 | US4646279 Optical disk cutting apparatus using multiple beams |
| 02/24/1987 | US4646278 Pick-up positioning apparatus for data playback apparatus |
| 02/24/1987 | US4646103 Optical recording method |
| 02/24/1987 | US4645915 Bar code reader |
| 02/24/1987 | US4645712 Information recording medium |
| 02/24/1987 | US4645685 Method for producing an optical recording medium by a chalcogenide suboxide |
| 02/24/1987 | US4645604 Desalination |
| 02/24/1987 | CA1218285A1 Recording medium |
| 02/17/1987 | US4644520 Protected optical disk of welded construction |
| 02/17/1987 | US4644519 Optical recording provided with a chalcogenide recording layer |
| 02/17/1987 | US4644516 Optical head |
| 02/17/1987 | US4644515 Interactive multi-user laser disc system |
| 02/17/1987 | US4644514 Head drive control apparatus |
| 02/17/1987 | US4644160 System for holding plural light beams in predetermined relative positions |
| 02/17/1987 | US4643535 Optical information recording/reproducing element |
| 02/17/1987 | US4643522 Optical pickup having a driving unit for moving objective lens |
| 02/17/1987 | CA1218148A1 Amplitude modulated coarse position error signal generation in an optical disk storage system employing coarse servo tracks |
| 02/12/1987 | WO1987000956A1 Process and device for recording an information signal |
| 02/12/1987 | WO1987000947A1 Dual stripe optical data card |
| 02/12/1987 | WO1987000946A1 System and method for making recordable wallet-size optical card |
| 02/12/1987 | WO1987000945A1 Data system employing wallet-size optical card |
| 02/10/1987 | US4642803 Optical data retrieval system for multi-characteristic reflective data storage media |
| 02/10/1987 | US4642703 Information recording-reproducing method and apparatus |
| 02/10/1987 | US4641929 Biaspherical lens |
| 02/04/1987 | EP0210808A2 Recording disks and process |
| 02/04/1987 | EP0210781A1 Slidable carriage mount for disc memory apparatus |
| 02/04/1987 | EP0210638A2 Optical coating composition |
| 02/04/1987 | EP0210637A2 Optical coating composition |
| 02/04/1987 | EP0210629A2 An information-processing apparatus |
| 02/04/1987 | EP0210623A2 Optical imformation reproducing apparatus |
| 02/04/1987 | EP0210582A2 Optical head apparatus |
| 02/04/1987 | EP0210528A2 Optical recording medium and method for writing data thereinto |
| 02/04/1987 | EP0210405A2 High-density information recording carrier |
| 02/04/1987 | EP0210330A2 Method and apparatus for composite wobbled tracking servo system |
| 02/04/1987 | EP0210275A1 Recording/reproducing apparatus using magneto-optical disk |
| 02/04/1987 | CN86104886A Nonvolatile optical disc memory with liquid crystal |
| 02/03/1987 | US4641296 Optical head for information recording apparatus |
| 02/03/1987 | US4641295 Disc playback apparatus |
| 02/03/1987 | US4641294 Method and apparatus for performing a memory operation on a fixed length block of data on a memory disk |
| 02/03/1987 | US4641023 Optical head |
| 02/03/1987 | US4641020 Optical head position control device |
| 02/03/1987 | US4640860 Optical recording coating |
| 01/31/1987 | CN85102104A Apparatus for reproducing digital informatic via a transmission medium |
| 01/28/1987 | EP0210006A2 Record information reproducing method with content identifiers |