| 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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| 01/29/1992 | EP0468116A2 Signal detector |
| 01/28/1992 | US5084860 Apparatus for optical disc memory with correction pattern and master disc cutting apparatus |
| 01/28/1992 | US5084858 Reproducing apparatus having an arithmetic circuit to linearly combine an inverse matrix of crosstalk ratios relative to the adjacent tracks and signals read from the adjacent and traced tracks |
| 01/28/1992 | US5084857 Information recording method using a modulated recording beam at high, intermediate and low power levels |
| 01/28/1992 | US5084856 Cutting apparatus for an optical disc |
| 01/28/1992 | US5084853 Spring loaded flywheel cleaning apparatus for a pick up lens of a compact disc player |
| 01/28/1992 | US5084851 Optical head for recording and playing back optical information |
| 01/28/1992 | US5084850 Apparatus for detecting focus error signal |
| 01/28/1992 | US5084849 Method for setting the loop gain of servo loops in a disc player |
| 01/28/1992 | US5084848 Feedback control apparatus in an optical recording and reproducing device |
| 01/28/1992 | US5084791 Head position control system for fixed drive including position encoder, temperature sensor and embedded fine servo information |
| 01/28/1992 | US5084783 Focus-error detection using prism-enhanced spot size monitoring |
| 01/28/1992 | US5084767 Television signal recording and reproducing system using optical recording medium |
| 01/28/1992 | US5084661 Position control system for information storage system |
| 01/28/1992 | US5084538 High surface hardness transparent resin prepared from a compound having at least one isopropenyl phenyl group |
| 01/28/1992 | US5084370 Recording medium for optical data storage |
| 01/28/1992 | US5084355 Semiconductor integrated circuits |
| 01/23/1992 | WO1992001284A1 Track counting arragement and method |
| 01/23/1992 | WO1992001080A1 Improved sputter target for coating compact discs, methods of use thereof, and methods of manufacture of the targets |
| 01/22/1992 | EP0467716A2 Information recording medium and process for the preparation of the same |
| 01/22/1992 | EP0467705A1 Optical disk |
| 01/22/1992 | EP0467616A2 control system for light emitting device |
| 01/22/1992 | EP0467498A2 Optical disk player |
| 01/22/1992 | EP0467324A2 Lens for an optical disc recording and/or reproducing apparatus |
| 01/22/1992 | EP0467312A2 Optical recording and reproducing apparatus and method |
| 01/22/1992 | EP0467303A2 An optical disk head and a method for producing the same |
| 01/22/1992 | EP0467216A2 Optical head and optical recording and reproducing device |
| 01/22/1992 | EP0236503B1 Optical head device |
| 01/21/1992 | US5083303 Sector mark detecting apparatus in optical disc apparatus |
| 01/21/1992 | US5083302 Optical tracking servo apparatus |
| 01/21/1992 | US5083301 Optical card recording and reproducing device |
| 01/21/1992 | US5083227 Arrangement for reproducing an electric signal |
| 01/21/1992 | US5083214 Apparatus and methods for extracting data from a scanned bit-mapped data strip |
| 01/21/1992 | US5083212 Apparatus and method for recording a color television signal on an optical disc |
| 01/21/1992 | US5082339 Optical read-write head with diffraction grating structure |
| 01/21/1992 | CA1294706C Read-only optical data card |
| 01/21/1992 | CA1294705C Optical information recording medium and recording-reproducing apparatus |
| 01/16/1992 | DE4022093A1 Optical arrangement for data reading and writing - use precisely-aligned read and write beams mounted on single tracking and focussing mechanism with alternative optic designs |
| 01/15/1992 | EP0466670A2 System and method for optical phase change recording |
| 01/15/1992 | EP0466399A2 Apparatus for reproducing information |
| 01/15/1992 | EP0466073A2 Recording and/or reproducing apparatus and disk cartridge loaded therein |
| 01/15/1992 | EP0466058A1 Optical recording/reproducing apparatus for data |
| 01/15/1992 | EP0465676A1 Magneto-optical recording/reproducing apparatus |
| 01/15/1992 | EP0394219B1 Optical modulation and measurement process |
| 01/15/1992 | EP0290524B1 Circuit for automatic setting of the gain in a control circuit |
| 01/15/1992 | CN1057921A Disc recording/ reproducing apparatus |
| 01/14/1992 | US5081618 Double-sided reproducing disk player |
| 01/14/1992 | US5081617 Optical system for simultaneous reading of multiple data tracks |
| 01/14/1992 | US5081616 Positioning controller |
| 01/14/1992 | US5081615 Method of coupling external light into an optical waveguide and a guided wave from an optical waveguide and optical pickup employing an optical waveguide |
| 01/14/1992 | US5081614 Magneto-optical head utilizing central and peripheral portions of reflected light flux for different purposes |
| 01/14/1992 | US5080947 Plasma polymerization of metal complex |
| 01/14/1992 | US5080946 Optical information recording medium and recording method |
| 01/14/1992 | US5080945 Large-capacity-memory disk |
| 01/14/1992 | US5080736 System for mounting a hub to an optical disk and a method therefor |
| 01/09/1992 | WO1992000647A1 Method and apparatus for storing text data in subcode packs |
| 01/09/1992 | WO1992000588A1 Optical disk |
| 01/09/1992 | WO1992000587A1 Apparatus for eliminating focus/tracking crosstalk in an optical disk drive system |
| 01/08/1992 | EP0465246A2 Information storage medium and apparatus for reproducing information therefrom |
| 01/08/1992 | EP0465175A2 Optical head |
| 01/08/1992 | EP0465054A1 Communications processor |
| 01/08/1992 | EP0465053A2 Disc recording/reproducing apparatus |
| 01/08/1992 | EP0464986A2 Tracking servo apparatus |
| 01/08/1992 | EP0464959A2 Naphthalocyanine derivatives and production processes thereof, as well as optical information recording media using the derivatives and production processes thereof |
| 01/08/1992 | EP0464941A1 Phase-change optical recording media |
| 01/08/1992 | EP0464912A1 Electro-optical scanning device and optical player comprising the scanning device |
| 01/08/1992 | EP0464906A1 Polyester film support with vacuum deposited bismuth |
| 01/08/1992 | EP0464871A2 Optical information recording/reproducing apparatus |
| 01/08/1992 | EP0464811A2 Information recording medium and information recording and reproducing apparatus |
| 01/08/1992 | EP0464674A2 Magneto-optical disc |
| 01/08/1992 | EP0464588A1 Use of vacuum for improved density in laser-induced thermal dye transfer |
| 01/08/1992 | EP0464543A1 Polymethine dyes |
| 01/08/1992 | EP0464216A1 Method of recording and reproducing data |
| 01/08/1992 | EP0464081A1 Method of manufacturing an optical disc |
| 01/08/1992 | EP0320509B1 Data reproduction device |
| 01/08/1992 | EP0144436B1 Optical recording and reproducing apparatus |
| 01/08/1992 | CN1057730A Electro-optical scanning device and optical player comprising the scanning device |
| 01/07/1992 | US5079758 Single polymer layer recordable/erasable optical media |
| 01/07/1992 | US5079757 Servo circuit for an optical disk information recording and reproducing apparatus with improved stability for tracking and focusing control |
| 01/07/1992 | US5079756 Track-jump device for a disc drive apparatus |
| 01/07/1992 | US5079755 Apparatus for detecting a deviation of a reading position for use in a disc player |
| 01/07/1992 | US5079135 Recording layer contains absorber of laser light and a nonabsorber which is heat decomposable, cyanine dyes, amino substituted phthalocyanine dyes |
| 01/07/1992 | US5079128 Thin film containing a methine dye having at least two dimethylaminophenyl groups and a carbonium ion; laser writing; heat resistance |
| 01/07/1992 | US5079127 Optical recording medium and process for recording thereupon |
| 01/07/1992 | US5079061 High density multilayer thin film; substrate, recording, and control layer |
| 01/07/1992 | US5079060 Optical recording media |
| 01/07/1992 | US5078947 Pressing stamped pattern into plastics; radiation with ultraviolet light |
| 01/07/1992 | US5078771 Surface treated silver ion exchanged glass |
| 01/07/1992 | US5078471 Optical head |
| 01/07/1992 | CA1294044C Apparatus for recording and reproducing information |
| 01/07/1992 | CA1294042C Apparatus for recording and reading an optical disc, having reduced offset in its tracking error signal |
| 01/03/1992 | CA2044523A1 Phase-change optical recording media |
| 01/02/1992 | EP0463959A1 Optical disk apparatus |
| 01/02/1992 | EP0463820A2 Disk drive apparatus and a seek method for spiral tracks |
| 01/02/1992 | EP0463819A2 Optical information recording/reproducing apparatus |
| 01/02/1992 | EP0463784A2 Optical recording medium, optical recording method, and optical reproducing method |
| 01/02/1992 | EP0463728A2 Increasing storage density of information storage media |
| 01/02/1992 | EP0463720A2 Methods and apparatus for optimizing track seeking operations |
| 01/02/1992 | EP0463550A2 Optical recording medium and recording method |
| 01/02/1992 | EP0463413A2 Reversible optical phase-change type record carrier |