| 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) |
|---|
| 07/14/1992 | US5130854 Supporting unit for lens drive |
| 07/14/1992 | US5130521 Optical card recording apparatus |
| 07/14/1992 | US5130356 Addition of small amounts of diphenoquinone or diphenohydroquinone derivatives; compact disc substrates |
| 07/14/1992 | US5130162 A laminate of monomolecular films having acetylanic bonds adsorbed on a silicon surface |
| 07/14/1992 | CA1305254C Fine access method of an optical disk drive by means of multi-track jumpand a circuit therefor |
| 07/14/1992 | CA1305253C System for recording information signal, and record carrier and recording device for use in the system |
| 07/11/1992 | CA2033894A1 Composition |
| 07/09/1992 | WO1992011632A1 Control device for optical disks |
| 07/09/1992 | DE4041199A1 Adhering twin data disk - using adhesive ring on inner side of one disc spread out by centrifugal force after second disc is placed on it |
| 07/09/1992 | CA2076388A1 Improved access and control device for optical disk drives |
| 07/08/1992 | EP0494048A1 Photochromic benzothioxanthoneoxides, process for their preparation and their use |
| 07/07/1992 | US5128946 Information recording-reproducing method and apparatus |
| 07/07/1992 | US5128923 Disc cartridge for cleaning an objective lens |
| 07/07/1992 | US5128922 Optical disk with glass substrate and method of producing same |
| 07/07/1992 | US5128921 Method and apparatus for pre-compensation in an optical disc |
| 07/07/1992 | US5128920 Optical disk apparatus with a laser beam controllable in accordance with a specification area on a disk |
| 07/07/1992 | US5128919 Apparatus for reproducing an optically recorded information |
| 07/07/1992 | US5128917 Tracking device for optical memory card |
| 07/07/1992 | US5128916 Optical disc with alternating servo patterns and driving apparatus therefor |
| 07/07/1992 | US5128915 Optical pickup device |
| 07/07/1992 | US5128914 Optical pickup apparatus utilizing a diffraction device |
| 07/07/1992 | US5128913 Acquiring focus in an optical system using a soft focus acquiring system |
| 07/07/1992 | US5128911 Optical disc reproducing apparatus having an automatic gain control circuit |
| 07/07/1992 | US5128849 Optical disk structures for electron trapping optical memory media |
| 07/07/1992 | US5128806 Apparatus for driving optical system |
| 07/07/1992 | US5128775 Method for playing analog and digital video signals in a predetermined order from a composite disk |
| 07/07/1992 | US5128693 Information recording apparatus |
| 07/07/1992 | US5128388 Hot melt adhesive crosslinkable by ultraviolet irradiation, optical disc using the same and process for preparing thereof |
| 07/07/1992 | US5128099 Congruent state changeable optical memory material and device |
| 07/04/1992 | CA2058393A1 Photochromic benzothioxanthone oxides, process for their preparation and the use thereof |
| 07/01/1992 | EP0492889A2 Crosstalk quantity detector |
| 07/01/1992 | EP0492844A2 Method and apparatus for forming a light beam |
| 07/01/1992 | EP0492515A2 Optical pick-up apparatus |
| 07/01/1992 | EP0492508A1 Method for preparing alkoxyphthalocyanine |
| 07/01/1992 | EP0492200A1 Asymmetric azulen squaric acid dyes and optical recording medium |
| 07/01/1992 | EP0491951A1 Perfluoroalkylated naphthalocyanine derivative, production thereof, and optical recording medium |
| 07/01/1992 | EP0491701A1 Digital medium providing information per still-frame |
| 06/30/1992 | US5126996 Optical information record carrier and the method of producing the same |
| 06/30/1992 | US5126995 Light scanning device |
| 06/30/1992 | US5126994 Method and apparatus for controlling and detecting recording laser beam |
| 06/30/1992 | US5126993 Optical data recording/reproducing apparatus including device for preventing erroneous light emission |
| 06/30/1992 | US5126991 Track addressing method and apparatus |
| 06/30/1992 | US5126989 Arrangement for reading an optically readable light reflective carrier |
| 06/30/1992 | US5126988 Optical head structure |
| 06/30/1992 | US5126983 Apparatus for optically recording information on opto-magnetic record medium having a minimized leakage magnetic field |
| 06/30/1992 | US5126741 Reproduction apparatus having circuit for accurately detecting a binary waveform from a varying level analog signal |
| 06/30/1992 | US5126689 Direct-coupled grounded-base amplifier, semiconductor device and information processing device having the amplifier therein |
| 06/30/1992 | US5126563 Optical reading-writing apparatus having a moving unit |
| 06/30/1992 | US5126180 Optical recording medium and method of manufacturing the same |
| 06/30/1992 | US5125945 Method and apparatus for parallel alignment of opposing mold surfaces by controlling the thermal expansion of the apparatus |
| 06/30/1992 | US5125750 Optical recording system employing a solid immersion lens |
| 06/30/1992 | CA1304500C Optical-disk driving apparatus |
| 06/26/1992 | EP0589868A4 Light-sensitive recording media. |
| 06/25/1992 | WO1992010834A1 Improving optical disk recording performance |
| 06/25/1992 | WO1992010769A1 Gradient index lenses with at least one aspherical surface |
| 06/24/1992 | EP0491573A2 Optical disk drive |
| 06/24/1992 | EP0491458A1 Multiple channel optical disk system |
| 06/24/1992 | EP0491301A1 Apparatus and method for signal reproduction |
| 06/24/1992 | EP0491224A2 Phase-change-type reversible optical recording medium |
| 06/24/1992 | EP0491206A2 Adjustable pad assembly |
| 06/23/1992 | US5124973 Tilt control mechanism |
| 06/23/1992 | US5124972 Mechanism for precise linear movement, and apparatus using such a mechanism for scanning a disc |
| 06/23/1992 | US5124971 Optical head driving device |
| 06/23/1992 | US5124970 Optical head having a prism |
| 06/23/1992 | US5124967 Automatic gain control method and apparatus in optical disk system |
| 06/23/1992 | US5124966 Method for recording data signals on an inscribable record carrier and reading device for the record carrier |
| 06/23/1992 | US5124965 Optical head supporting apparatus |
| 06/23/1992 | US5124964 Focus servo gain setting circuit for optical record disc reproducing apparatus |
| 06/23/1992 | US5124962 Reading system for a control track of an optical disk |
| 06/23/1992 | US5124944 Optical storage medium and storage process |
| 06/23/1992 | US5124240 Optical recording medium |
| 06/23/1992 | US5124232 Optical recording medium |
| 06/23/1992 | US5124183 Polymer dispersed liquid crystal memory film |
| 06/23/1992 | US5124067 Sterically hindered phthalocyanines |
| 06/17/1992 | EP0490817A1 Method for the storage of information with high storage density |
| 06/17/1992 | EP0490547A1 Method of manufacturing a photomask for an optical memory |
| 06/17/1992 | EP0490105A1 Device for image-wise description of a printing plate |
| 06/17/1992 | EP0490013A1 Electro-optical scanner |
| 06/16/1992 | US5123007 Method for recording, reproducing and erasing information and thin film for recording information |
| 06/16/1992 | US5123003 Optical information reproducing apparatus |
| 06/16/1992 | US5123002 Disc player servo device |
| 06/16/1992 | US5122999 Compact disk player |
| 06/16/1992 | US5122903 Optical device and optical pickup device using the same |
| 06/16/1992 | US5122718 Gain/phase compensation circuit for use in servo control system of optical disk device |
| 06/16/1992 | US5122703 Integrally molded armature for swing-type actuator |
| 06/16/1992 | US5122702 Rotary voice coil motor with a flat coil |
| 06/16/1992 | US5122660 Distance measuring system utilizing an object with at least one inclined surface |
| 06/16/1992 | US5122313 Mold for forming substrate having uneven preformat pattern and method of using same |
| 06/16/1992 | CA1303741C Method of accessing track in still state of recording medium and apparatus therefor |
| 06/16/1992 | CA1303740C Optical disk for use in optical memory devices |
| 06/16/1992 | CA1303738C Optical information recording and reproducing apparatus |
| 06/10/1992 | EP0489203A1 Active energy ray-curable type resin composition |
| 06/09/1992 | US5121449 Information detecting system of scanning type |
| 06/09/1992 | US5121378 Optical head apparatus for focussing a minute light beam spot on a recording medium |
| 06/09/1992 | US5121377 Error detection method and apparatus for reducing the number of errors generated when reading digital data stored on a recording medium such as film |
| 06/09/1992 | US5121376 Optical disk memory using multi-level data recording |
| 06/09/1992 | US5121375 Information-recorded disk carrying tracking pilot signal and playing apparatus therefor |
| 06/09/1992 | US5121374 Method for automatically compensating for the eccentricity in an optical head positioning servo-mechanism |
| 06/09/1992 | US5121373 Track jumping method for an optical disk reading head |
| 06/09/1992 | US5121372 Optical information processing apparatus for performing track jump while avoiding preformat signal |