| 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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| 05/07/1997 | CN1149175A Objective actuator and manufacturing method thereof |
| 05/06/1997 | US5627895 Electronic device for detecting selected visually perceptible indication information on an information storage medium for security comparison |
| 05/06/1997 | US5627818 Optical disk with marks used for calibrating an optical detector to minimize noise from undesired perturbations in disk surfaces |
| 05/06/1997 | US5627817 Optical disk data storage system with multiple write-once dye-based data layers |
| 05/06/1997 | US5627816 Multilayer optical disk and apparatus |
| 05/06/1997 | US5627814 Optical pickup system for reading information recorded on an optical disk having multiple recording surfaces |
| 05/06/1997 | US5627813 Optical information recording and/or reproducing apparatus and method with auto power control function for two light sources |
| 05/06/1997 | US5627812 Optical head apparatus and diffraction element having at least two diffractive surfaces |
| 05/06/1997 | US5627811 Constant linear velocity optical disk apparatus having improved circuitry for speed data access |
| 05/06/1997 | US5627809 Optical disk device having high-speed reproduction capability |
| 05/06/1997 | US5627808 Cross-track tilt error compensation method for optical disc drives |
| 05/06/1997 | US5627807 Optical disk apparatus with focus bias means |
| 05/06/1997 | US5627806 For recording and reproducing information |
| 05/06/1997 | US5627805 Methods and apparatus for high speed optical storage device |
| 05/06/1997 | US5627687 Objective lens driving apparatus and method for manufacture thereof |
| 05/06/1997 | US5627664 Holographic storage with combined orthogonal phase codes and random phase codes |
| 05/06/1997 | US5627657 Method for sequentially displaying information recorded on interactive information recording medium |
| 05/06/1997 | US5627287 Phthalide compound and a near infrared absorber and a recording material each comprising the same compound |
| 05/06/1997 | US5627014 Benzpyrylium squarylium and croconylium dyes, and processes for their preparation and use |
| 05/06/1997 | US5627012 Method for preparing phase change optical recording medium |
| 05/06/1997 | US5626885 Method of manufacturing an optically readable disc, and arrangement for carrying out the method |
| 05/02/1997 | EP0771000A2 Optical disk reproducing apparatus equipped with variable gain amplifier capable of adjusting amplitude of reproduction signal |
| 05/02/1997 | EP0770995A1 Optical disk and production method thereof |
| 05/02/1997 | EP0770994A2 Lens-cleaning disc |
| 05/02/1997 | EP0770993A2 Optical disc apparatus for recording and reproducing data onto and from an optical disc with grooves and lands |
| 05/02/1997 | EP0770924A2 Process for microstructuring of polymeric materials |
| 05/02/1997 | EP0770868A1 Process for controlling discs |
| 05/02/1997 | EP0770705A1 Electroless plating method, and method and apparatus for producing stamper |
| 05/02/1997 | EP0770467A1 Means for holding stamper plate in molding metal die |
| 05/02/1997 | EP0611473B1 Optical disc master |
| 05/02/1997 | EP0517230B1 Disc-shaped recording medium and apparatus for reproducing track addresses recorded on the disc-shaped recording medium |
| 05/02/1997 | EP0516125B1 Disk apparatus |
| 05/01/1997 | WO1997015923A1 Optical head |
| 05/01/1997 | WO1997015922A1 Optical disk drive |
| 05/01/1997 | WO1997015921A1 Two-dimensional array of modulatable light sources |
| 05/01/1997 | WO1997015920A1 Tracking and focusing control apparatus and method |
| 05/01/1997 | WO1997015812A1 Polarization sensitive photodetectors and detector arrays |
| 05/01/1997 | WO1997015533A1 Photo-encoded selective etching for glass based microtechnology applications |
| 05/01/1997 | WO1997015516A1 Dynamic tracking and focus for optical tape systems |
| 05/01/1997 | CA2235922A1 Polarization sensitive photodetectors and detector arrays |
| 05/01/1997 | CA2208532A1 Optical disk driving device |
| 05/01/1997 | CA2187602A1 Optical disc recording medium |
| 04/30/1997 | DE19539530A1 Producing divalent samarium from samarium of other valency |
| 04/30/1997 | CN1148899A Optical signal detection circuit |
| 04/30/1997 | CN1148898A Structure for optical disk, and method and device for mfg. it |
| 04/30/1997 | CN1148716A Device for demodulating digital frequency-modulation signal of optical-disc apparatus |
| 04/30/1997 | CN1148713A Objective lens fitting structure of light sensor for optical-disc device |
| 04/30/1997 | CN1148712A Device approaching to focal zone of optical disc player and method thereof |
| 04/29/1997 | USRE35499 Elimination of monocarbonate from polycarbonate |
| 04/29/1997 | US5625792 Reproducing apparatus with transfer buffer and shared extended memory |
| 04/29/1997 | US5625725 Magneto-optical pickup device having phase compensating circuitry |
| 04/29/1997 | US5625620 Optical disc |
| 04/29/1997 | US5625619 Optical recording medium having a plurality of different diffraction grating cells |
| 04/29/1997 | US5625618 Optical recording medium employing an intermittent pattern for guiding tracks and tracking apparatus for the same |
| 04/29/1997 | US5625617 Near-field optical apparatus with a laser having a non-uniform emission face |
| 04/29/1997 | US5625616 Deterioration estimating method for a light emitting device and a light emission driving apparatus using the method |
| 04/29/1997 | US5625615 Optical storage drive employing variable write speed for reduced laser write power |
| 04/29/1997 | US5625614 Optical disc data recording apparatus and method using modified pit lengths |
| 04/29/1997 | US5625613 Super-resolution scanning optical system by incoherently superimposing two beams |
| 04/29/1997 | US5625611 Method of recording on a recording medium employing an automatic updating of management data by monitoring the signal being recorded |
| 04/29/1997 | US5625610 Optical disc dubbing apparatus |
| 04/29/1997 | US5625609 Multiple data layer optical disk drive system with fixed aberration correction and optimum interlayer spacing |
| 04/29/1997 | US5625512 Air bearing slider deflection apparatus and method for fabricating same |
| 04/29/1997 | US5625388 Overwritable optical recording medium and recording method of the same |
| 04/24/1997 | WO1997015050A1 Information storage medium, information reproducing method, and information reproducing apparatus |
| 04/24/1997 | DE19642347A1 Optical memory medium or device |
| 04/24/1997 | DE19614600C1 Device for masking central and outer areas of substrate to be sputter coated |
| 04/24/1997 | DE19538549A1 Manufacturing method for initialised optical media |
| 04/24/1997 | DE19533931A1 Data storage medium of partially transparent material |
| 04/23/1997 | EP0769778A1 Light emitter/receiver device and optical system |
| 04/23/1997 | EP0769777A2 An optical head unit for use in an information read/write apparatus |
| 04/23/1997 | EP0769776A1 Tracking servo apparatus for optical discs |
| 04/23/1997 | EP0769188A1 Optical random access memory having folded image |
| 04/23/1997 | EP0500044B1 Method and apparatus for recording information |
| 04/23/1997 | CN1148439A Optical focus control system |
| 04/23/1997 | CN1148438A Reading/writing information on a storage medium |
| 04/23/1997 | CN1148242A Automatic editing/recording device and dubbing system loaded with device |
| 04/23/1997 | CN1148241A Optical type regeneration arrangement |
| 04/23/1997 | CN1148240A Optical head apparatus |
| 04/23/1997 | CN1148239A Laser beam modulation apparatus |
| 04/23/1997 | CN1148238A Recording/reproducing apparatus for disc-shaped recording medium |
| 04/23/1997 | CN1148236A Optical pickup |
| 04/23/1997 | CN1147983A Mold for pressing and molded glass substrate for computer memory by using it |
| 04/22/1997 | US5623479 Information recording medium having a protection film and a reading apparatus for reading out information from the information reading medium |
| 04/22/1997 | US5623478 Apparatus for reproducing an optical recording medium having first and second pit strings on opposite sides of each track |
| 04/22/1997 | US5623477 Optical recording disk capable of resynchronization in digital encoding and decoding |
| 04/22/1997 | US5623476 Recording device and reproduction device |
| 04/22/1997 | US5623475 Method of inscribing and readout of information in an information storage layer |
| 04/22/1997 | US5623472 Method and apparatus for recording signals on a record carrier, measurement method and measurement device for use in the recording method and the recording apparatus, and record carrier |
| 04/22/1997 | US5623470 Reallocation of defective recording areas on CD-R or CD-E media |
| 04/22/1997 | US5623468 Disk apparatus for detecting address marks from a recording disk having data recorded in a zoned constant angular velocity type system |
| 04/22/1997 | US5623467 Data recording apparatus for recording data in sector units |
| 04/22/1997 | US5623466 Optical pickup apparatus with skew error control and optical information recording and/or reproducing apparatus using the same |
| 04/22/1997 | US5623465 Optical disk player with a digital servo-control circuit incorporating a time sharing multifunctional digital filter |
| 04/22/1997 | US5623464 Optical disk apparatus and seek control method |
| 04/22/1997 | US5623463 Method for determining a focusing control operation position in an opto-magnetic disc recording/reproducing apparatus |
| 04/22/1997 | US5623462 Optical information recording/reproducing apparatus |
| 04/22/1997 | US5623461 Optical disk drive capable of higher-speed seeking |
| 04/22/1997 | US5623460 Circuit and method for searching track on CD |
| 04/22/1997 | US5623372 Thin type optical head |