| 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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| 04/02/1997 | EP0766235A1 Tracking error detecting unit |
| 04/02/1997 | EP0766234A1 Reproducing and/or recording apparatus for an optical record carrier having different recording densities |
| 04/02/1997 | EP0604517B1 Recovering audio signals from a variable-area optical record |
| 04/02/1997 | CN1146821A Compact disc and recording/regenerating device thereof |
| 04/02/1997 | CN1146810A Convex ultra-fine particle surface structure |
| 04/02/1997 | CN1146596A Optical scanner |
| 04/02/1997 | CN1146595A Optical head |
| 04/02/1997 | CN1146594A Integral optical pick-up device |
| 04/02/1997 | CN1146593A Optical pick-up device |
| 04/02/1997 | CN1146592A Optical pick-up device with object glass positioning system |
| 04/02/1997 | CN1146591A Optical information recording medium and optical information record/regeneration apparatus |
| 04/02/1997 | CN1146586A Digital signal recording method and disc reproducing device |
| 04/01/1997 | US5617560 System for handling platform independent optical card by separating during a read and recombining during a write generic directory information and OS dependent directory information |
| 04/01/1997 | US5617455 Interface method and device in digital signal processing system |
| 04/01/1997 | US5617408 Optical recording medium having a disc with deformed pits |
| 04/01/1997 | US5617407 Information storage medium |
| 04/01/1997 | US5617406 Optical disc with heat blocking bands between tracks |
| 04/01/1997 | US5617405 Optical recording medium having at least two separate recording layers of different writing temperatures |
| 04/01/1997 | US5617403 Optical pickup |
| 04/01/1997 | US5617402 Access and tracking device for an optical disc |
| 04/01/1997 | US5617401 Calibration of lasers that produce multiple power output levels of emitted radiation |
| 04/01/1997 | US5617400 Magneto-optical recording and reproducing apparatus with layer aperture control |
| 04/01/1997 | US5617399 Write intensity calibration of a recording beam by reading a test pattern written on a buffer sector of a record carrier |
| 04/01/1997 | US5617398 In-line optical pickup using Wollaston Prism and collimating lens directing polarized light components to detectors |
| 04/01/1997 | US5617394 Optical disk recording method and device |
| 04/01/1997 | US5617393 Optical disk having an erased-state indicator and optical disk apparatus for reducing frequency of disk erasing operation |
| 04/01/1997 | US5617391 Optical recording and reproducing system |
| 04/01/1997 | US5617390 Optical information recording medium having separate information and reference information portions and method using the same |
| 04/01/1997 | US5617389 Method of reproducing information of optical disc, method of recording and reproducing the same, apparatus for reproducing the same, and light detecting apparatus used in the reproducing apparatus |
| 04/01/1997 | US5617388 Disc recording/reproducing apparatus which uses stored eccentricity data to maintain the read/write head at a constant radial position during a stand-by mode |
| 04/01/1997 | US5617387 Optical system for optical information recording/reproducing apparatus |
| 04/01/1997 | US5617385 Compact disk and high-speed search method thereof and recording method appropriate therefor |
| 04/01/1997 | US5617384 Method and apparatus for recovering TOC and user information from an optical disk and using the TOC information to access user tracks |
| 04/01/1997 | US5617382 Optical information accessing system capable of reliable jump-back control |
| 04/01/1997 | US5617380 Apparatus and method for drive management for multi-pass storage devices |
| 04/01/1997 | US5617378 Magneto-optical disc system having an objective lens with a numerical aperture related to the thickness of the protective layer |
| 04/01/1997 | US5617256 Biaxial actuator |
| 04/01/1997 | US5617158 Digital sound recording on motion picture film |
| 04/01/1997 | US5616980 Micromotor for moving a body |
| 04/01/1997 | US5616450 Method for fabricating an optical information medium |
| 04/01/1997 | US5616447 Optical disc having printable label layer |
| 04/01/1997 | US5616390 Optical recording medium permitting detection of identification signals in land areas and groove areas, optical information recording/reproducing apparatus and apparatus for producing an original disk for forming a disk substrate |
| 03/27/1997 | WO1997011460A1 Focussing system and methods for multi-track optical disk apparatus |
| 03/27/1997 | WO1997011459A1 Method of exposing optical disk original, exposure apparatus therefor, and optical disk |
| 03/27/1997 | WO1997011427A1 Method and apparatus for fast access cdrom file structure |
| 03/27/1997 | DE19639405A1 Write or recording system for compact disc |
| 03/27/1997 | DE19634974A1 Preßform und unter ihrer Verwendung geformtes Glassubstrat für einen Computerspeicher Compression mold and molded using them glass substrate for a computer memory |
| 03/26/1997 | EP0765015A1 Semiconductor laser device and optical disk drive |
| 03/26/1997 | EP0764946A1 Improved light-readable recording disc |
| 03/26/1997 | EP0764945A1 Optical pickup |
| 03/26/1997 | EP0764324A1 Optical recording medium exhibiting eutectic phase equilibria |
| 03/26/1997 | EP0764323A2 Optical information recording medium, manufacturing method therefor, manufacturing apparatus therefor, and optical information recording and reproducing apparatus |
| 03/26/1997 | EP0764322A1 Dna optical storage |
| 03/26/1997 | EP0764287A1 Optical beam-splitting element |
| 03/26/1997 | EP0764181A1 Continuous process for making romp polycylic olefin polymers |
| 03/26/1997 | CN1146049A Optical memory device |
| 03/26/1997 | CN1146047A Method for sequentially displaying information recorded on interactive information recording medium |
| 03/26/1997 | CN1146044A Data recording medium |
| 03/26/1997 | CN1146043A Bi-level optical media having embossed header format |
| 03/26/1997 | CN1146042A Optical head |
| 03/26/1997 | CN1146041A Optical pickup using vertical cavity surface-emitting laser diode |
| 03/26/1997 | CN1146040A Disc apparatus for reproducing information signals recorded on disc-shaped recording medium and reproducing method |
| 03/26/1997 | CN1146039A Tracking error signal detecting device, message recording device and its adjusting method |
| 03/26/1997 | CN1146037A Magneto-optical disk drive supporting direct-over-write operation and write-after-erase operation |
| 03/25/1997 | US5615206 For recording information signals |
| 03/25/1997 | US5615205 Bi-level optical media having embossed header format |
| 03/25/1997 | US5615204 Structure for supporting optical pickup |
| 03/25/1997 | US5615203 Floating-type optical head having incorporated therein a floating slider and an optical device which floats with the slider, includes a light source, condensing unit and photodetector and is supported movably relative to the floating slider |
| 03/25/1997 | US5615201 Optical pickup |
| 03/25/1997 | US5615200 Light beam shaping device to change an anisotropic beam to an isotropic beam for reducing the size of an optical head |
| 03/25/1997 | US5615199 Optical head apparatus |
| 03/25/1997 | US5615198 Optical head and image recording apparatus including the same |
| 03/25/1997 | US5615197 Disc player for reproducing both minidisc and a compact disc |
| 03/25/1997 | US5615196 Disk apparatus with optical head cleaning member |
| 03/25/1997 | US5615194 Disk reproducing apparatus and method for reproducing an audio signal and a subcode at N times normal speed from a disk |
| 03/25/1997 | US5615193 Information recording apparatus and process for recording on a recording medium with pit edges shifted in a step-wise fashion |
| 03/25/1997 | US5615192 Information recording and reproducing method and apparatus |
| 03/25/1997 | US5615191 Disc device having eccentricity measurement and clock correction |
| 03/25/1997 | US5615188 Recording method and recording and reproducing apparatus for optical disk |
| 03/25/1997 | US5615186 Optical data storage system |
| 03/25/1997 | US5615185 Optical disk recording and reproducing apparatus with data recorded and reproducing apparatus with data recorded on wobbled grooves and lands |
| 03/25/1997 | US5615181 Optical read/write head with low angle beam splitter and coplanar detectors |
| 03/25/1997 | US5615053 Biaxial actuator |
| 03/25/1997 | US5615050 Optical system with reduced focus spot size |
| 03/25/1997 | US5614938 Three-dimensional recording and reproducing apparatus |
| 03/25/1997 | US5614708 Optical feedback photodetection apparatus |
| 03/25/1997 | US5614287 Magneto-optical recording medium comprising a specified substrate |
| 03/25/1997 | US5614279 Recording and reproducing medium and a recording and reproducing apparatus |
| 03/20/1997 | WO1997010593A1 Transferring information via the lead-in area of an information carrier |
| 03/20/1997 | DE19638161A1 Information recording based on record format for optical disc drive |
| 03/19/1997 | EP0763821A1 Optical device |
| 03/19/1997 | EP0763539A2 Novel phthalocyanine or naphthalocyanine derivative |
| 03/19/1997 | EP0763236A2 Device for optically scanning a recording medium |
| 03/19/1997 | EP0750780A4 Reading/writing information on a storage medium |
| 03/19/1997 | EP0613413B1 Process and device for mechanically removing a layer from the substrate material of a disk-shaped information carrier |
| 03/19/1997 | EP0522170B1 Recording/reproducing apparatus |
| 03/19/1997 | CN1145680A Device for reproducing optical recording medium |
| 03/19/1997 | CN1145518A Method for reducing lead in time in optical disk recording/reproducing apparatus capable of reproducing data from multidisk |
| 03/19/1997 | CN1145516A Multilayer CD and its prodn. method |
| 03/19/1997 | CN1145515A Optical disc recording/reproducing apparatus recording/reproducing information to/from optical discs according to different standards |