| 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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| 05/16/1995 | US5416760 Recovery of data from optical data disk sectors having missing or defective synchronization information |
| 05/16/1995 | US5416759 Variable gain digital servo system with improved resolution and reduced quantization error |
| 05/16/1995 | US5416758 Optical recording/reproducing head access controlling apparatus for an optical type information recording/reproducing apparatus |
| 05/16/1995 | US5416757 Aberration compensation system |
| 05/16/1995 | US5416756 Lens actuating system with improved frequency response for optical disk drive |
| 05/16/1995 | US5416755 Optical pickup using split beams impinging on different photo-detector areas |
| 05/16/1995 | US5416640 Objective actuator |
| 05/16/1995 | US5416616 Incoherent/coherent readout of double angularly multiplexed volume holographic optical elements |
| 05/16/1995 | US5416309 Information regenerating apparatus for an optical recording medium |
| 05/16/1995 | US5415914 Optical recording disk |
| 05/16/1995 | CA2047163C Optical disk |
| 05/16/1995 | CA2031642C Information processing apparatus and optical head incorporated therein |
| 05/16/1995 | CA2006141C Optical recording element and optical data retrieval system for use with the same |
| 05/11/1995 | WO1995012881A1 Optical disk protection system |
| 05/11/1995 | DE4337552A1 Storage device |
| 05/10/1995 | EP0652615A2 A laser power monitor circuit used in a magneto-optical disk device |
| 05/10/1995 | EP0652564A1 Information recording method |
| 05/10/1995 | EP0652561A2 Disc storage medium, and apparatus for recording and reproducing data to and from a disc storage medium |
| 05/10/1995 | EP0652559A2 Data readout system for optical disk |
| 05/10/1995 | EP0652555A2 Optical recording medium |
| 05/10/1995 | CN1102495A Optical system for the reproduction and/or recording of information |
| 05/10/1995 | CN1102422A Polymer composition based on an aromatic polycarbonate and substrate for optical disk manufactured therefrom |
| 05/09/1995 | US5414692 Optical information recording medium |
| 05/09/1995 | US5414691 Optical disk, method of manufacturing the same and method of recording the same |
| 05/09/1995 | US5414689 Optical information recording/reproducing apparatus using pit edge recording system |
| 05/09/1995 | US5414688 Disk replication apparatus |
| 05/09/1995 | US5414685 Disk player with constant angular velocity |
| 05/09/1995 | US5414683 Optical head using image sensor of XY address type in photo detector |
| 05/09/1995 | US5414682 Focus draw-in system for optical disc device |
| 05/09/1995 | US5414681 Focusing search circuit and focusing servo circuit which are used in optical disc player |
| 05/09/1995 | US5414680 Apparatus with a compact configuration for supporting an optical pick up device |
| 05/09/1995 | US5414652 Magneto-optical memory element |
| 05/09/1995 | US5414563 Electromagnetic objective lens driving apparatus of optical data recording and reproducing apparatus |
| 05/09/1995 | US5414451 Three-dimensional recording and reproducing apparatus |
| 05/09/1995 | US5413893 Optical information recording medium |
| 05/09/1995 | CA2013538C Optical element and optical pickup device comprising it |
| 05/04/1995 | WO1995012276A1 Display of motion picture subtitles in a selected language during play of a software carrier |
| 05/04/1995 | WO1995012274A1 An audio and video disc reproducing apparatus |
| 05/04/1995 | WO1995012250A1 Method and apparatus for storing and presenting visual and audible information to an individual |
| 05/04/1995 | WO1995012201A1 Recording medium and reproducing device for special reproduction |
| 05/04/1995 | WO1995012197A1 Multi-scene recording medium and reproduction apparatus |
| 05/04/1995 | WO1995012179A1 Data block format for software carrier and player therefor |
| 05/04/1995 | DE4433868A1 Information recording and reproduction (playback) unit |
| 05/04/1995 | DE4336830A1 Plasma sputtering installation with microwave assistance |
| 05/04/1995 | CA2175349A1 Method and apparatus for storing and presenting visual and audible information to an individual |
| 05/03/1995 | EP0651392A1 Reproduction apparatus with a time display function |
| 05/03/1995 | EP0651390A2 Optical data storage cartridge system |
| 05/03/1995 | EP0651389A1 Detection of overusage of spare sectors in an optical disk |
| 05/03/1995 | EP0651382A1 Optical storage medium |
| 05/03/1995 | EP0651381A1 Optical storage medium and method of storing information |
| 05/03/1995 | EP0651282A1 Reproducing digital signals |
| 05/03/1995 | EP0465676B1 Magneto-optical recording/reproducing apparatus |
| 05/02/1995 | US5412640 Method for measuring and regulating the radial and tangential angles of a light beam |
| 05/02/1995 | US5412639 Compact disc focusing and positioning correction process |
| 05/02/1995 | US5412637 Method for putting an optical head in a stationary state and optical disk drive apparatus |
| 05/02/1995 | US5412636 Apparatus for servo-controlling objective lens in recording and/or reproducing apparatus using optical record medium |
| 05/02/1995 | US5412635 Optical disk with signal pit recording format, method of recording same and optical pickup |
| 05/02/1995 | US5412634 Optical scanning device for a disc player including improved focusing apparatus |
| 05/02/1995 | US5412633 Optical disk apparatus with galvanomirror having movable reflecting surfaces cooperating with fixed reflecting surfaces |
| 05/02/1995 | US5412632 Information reproducing apparatus with a DC level correcting capability |
| 05/02/1995 | US5412631 Optical head apparatus for storing, reading or erasing information, and optical information reproducing method and optical information apparatus for optically reading information stored in an optical memory |
| 05/02/1995 | US5412630 Tracking system for optical disc memory using tracking error signals from main beam and auxiliary beams |
| 05/02/1995 | US5412628 Apparatus for intermittently recording and reproducing a signal on a disc type recording medium |
| 05/02/1995 | US5412626 Method of recording optical information with selective correction in pulse waveform and a recording system therefor |
| 05/02/1995 | US5412592 Optoelectronic associative memory using parallel-readout optical disk storage |
| 05/02/1995 | US5411838 Forming optical recording media by vacuum deposition to form multilayer element |
| 05/02/1995 | US5411588 Device for processing disc-shaped registration carriers |
| 04/27/1995 | DE4437762A1 Naphthalocyanine compounds, naphthalocyanine polymers and process for their preparation |
| 04/26/1995 | EP0650164A2 Track jump control devices |
| 04/26/1995 | EP0650162A1 A method and a device for treating disc-shaped registration carriers |
| 04/26/1995 | EP0650161A1 Method for producing an objective lens actuator |
| 04/26/1995 | EP0650160A1 Tracking traverse control circuit for disk player |
| 04/26/1995 | EP0650143A1 Hybrid information recording medium |
| 04/26/1995 | EP0649884A1 Dye mixtures for optical recording layers |
| 04/26/1995 | EP0649880A1 Metallized azo-ether dyes for optical recording layers |
| 04/25/1995 | US5410534 Optical information recording medium |
| 04/25/1995 | US5410532 Method for a adjusting a beam splitter in an optical recording and reproducing apparatus |
| 04/25/1995 | US5410531 Noise reduction in a multiplex recorded optical information system |
| 04/25/1995 | US5410530 Multiple data surface optical data storage system |
| 04/25/1995 | US5410529 Optical pickup apparatus |
| 04/25/1995 | US5410528 Servo tracking circuit of an optically writable/readable/erasable disk |
| 04/25/1995 | US5410527 Information recording/reproducing apparatus including setting optimum recording condition or reproducing condition |
| 04/25/1995 | US5410525 Disk reproducing method and apparatus including track jump compensation |
| 04/25/1995 | US5410523 Optical pickup driving apparatus |
| 04/25/1995 | US5410522 Information recording/reproducing apparatus for recording information in accordance with mark interval or mark length recording scheme, and for reproducing information recorded in accordance with mark interval or mark length recording scheme |
| 04/25/1995 | US5410468 Optical pick-up apparatus |
| 04/25/1995 | US5410433 Access and follower control device for optical disk |
| 04/25/1995 | US5410142 Optical card with printing visible below the optical recording |
| 04/25/1995 | US5410137 Apparatus for reproducing data from a track whose track number cannot be read |
| 04/25/1995 | US5409756 Having pattern of pits and lands formed as representing an information signal on at least one surface |
| 04/25/1995 | US5409641 Optical disk manufacturing method |
| 04/25/1995 | US5409634 Useful for optical cards, filters, transmission and liquid crystal display elements |
| 04/20/1995 | DE4436820A1 Recording method for an erasable optical information recording medium |
| 04/20/1995 | DE4436555A1 Fokussier- und Spurfehlererkennungssystem für magneto-optische Plattenspeicher Focusing and tracking error detection system for magneto-optical disk |
| 04/20/1995 | DE4335198A1 Method of regulating the pick-up reliability in CD players in motor vehicles |
| 04/20/1995 | DE4335175A1 Apparatus for recording and playing back optical storage discs |
| 04/20/1995 | DE4335158A1 Arrangement for recording, playing back and erasing optical storage discs |
| 04/20/1995 | DE4335157A1 Arrangement for fixing a focus actuator in the non-playing mode of CD players |
| 04/19/1995 | EP0649135A1 Optical memory medium and write and read apparatuses using the same |
| 04/19/1995 | EP0649134A1 Magnetooptical disc apparatus having single micro-processor |