| 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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| 08/19/1997 | US5659528 Information recording-reproduction method |
| 08/19/1997 | US5659527 Optical disk drive with use of sampled preceding focus or tracking error signal in response to detection of spiked noise or offset |
| 08/19/1997 | US5659526 Optical seeking apparatus with track crossing signal generation using a corrected tracking error signal having a constant amplitude during periods of data |
| 08/19/1997 | US5659525 Objective lens drive unit having shaped magnetic pieces for providing a restoring force |
| 08/19/1997 | US5659433 Actuator with reduced lens tilt error |
| 08/19/1997 | US5658707 Optical recording media |
| 08/19/1997 | US5658387 Semiconductor processing spray coating apparatus |
| 08/16/1997 | CA2169609A1 Method and apparatus for burnishing compact disks |
| 08/14/1997 | WO1997029483A1 Optical disk, optical disk device, and method of reproducing information on optical disk |
| 08/14/1997 | DE19705002A1 Optical compact disc smaller than video disc |
| 08/13/1997 | EP0789357A2 Method and apparatus for manufacturing information storage devices |
| 08/13/1997 | EP0789356A1 Optical head device responsive to various optical disks |
| 08/13/1997 | EP0789355A1 Multiple focal lens, multiple focal optical pickup and optical information reproducing apparatus |
| 08/13/1997 | EP0789354A2 Optical disk device |
| 08/13/1997 | EP0789353A2 Disk drive apparatus and disk storage medium for high density recording |
| 08/13/1997 | EP0788650A2 Optical scanning apparatus for a multi-layer record carrier, including a focus control circuit |
| 08/13/1997 | EP0775053A4 Apparatus and method for the placement of self-adhesive labels on compact disks |
| 08/13/1997 | CN1157049A System for storying and reproducing information |
| 08/13/1997 | CN1157048A Optical information recording medium, manufacturing method and apparatus thereof, and optical information recording and reproducing apparatus |
| 08/13/1997 | CN1157004A Liquid-crystalline polyethers |
| 08/13/1997 | CN1156942A Apparatus and method for recording and reproducing data |
| 08/13/1997 | CN1156876A Exposure apparatus |
| 08/13/1997 | CN1156875A Optical information recording medium having discernible obverse and reverse sides |
| 08/12/1997 | US5657312 Optical disc having pits in multiple regions and signal processing circuit therefor |
| 08/12/1997 | US5657311 Disc-shaped recording medium with hub structure |
| 08/12/1997 | US5657310 Optical disc |
| 08/12/1997 | US5657309 Video disc recording and playback system with two recording areas to record an information signal and a reference signal |
| 08/12/1997 | US5657308 Apparatus for recording/reproducing information data in two dimensional format |
| 08/12/1997 | US5657307 Optical data reading apparatus and method |
| 08/12/1997 | US5657306 Optical pick-up head having polarizing beam splitter |
| 08/12/1997 | US5657305 Optical information recording and reproducing apparatus including a total reflection surface or a light shield plate disposed between a polarized light separating surface and a detection device for light beam compensation |
| 08/12/1997 | US5657304 Optical recording medium with a diffraction grating layer |
| 08/12/1997 | US5657303 Tilt sensor, optical disk, and tilt compensating method for performing a stable tilt compensating control, and apparatus utilizing the same |
| 08/12/1997 | US5657302 Hardware implemented method and apparatus for locating a target sector of an optical media |
| 08/12/1997 | US5657172 Objective lens driving device |
| 08/12/1997 | US5657171 Optical system of optical information recording/reproducing apparatus |
| 08/12/1997 | US5657168 Optical system of optical information recording/ reproducing apparatus |
| 08/12/1997 | US5657164 Optical beamsplitter |
| 08/12/1997 | US5656752 Etherification of 1,4-dihydroxy-2,3-dicyanonaphthalene |
| 08/12/1997 | US5656410 Process for producing a protected heat-mode recording material |
| 08/12/1997 | US5656370 Optical recording medium |
| 08/12/1997 | US5656348 Optical recording medium and its recording apparatus and reproducing apparatus |
| 08/07/1997 | WO1997028530A1 Multihead recording and retrieval apparatus and procedure for use with self-timing optical lathe or pre-formatted discs |
| 08/07/1997 | WO1997018561A3 Mehods and apparatus for high speed optical storage device |
| 08/07/1997 | DE19604067A1 Compact disc with data on both sides |
| 08/07/1997 | CA2281687A1 Multihead recording and retrieval apparatus and procedure for use with self-timing optical lathe or pre-formatted discs |
| 08/07/1997 | CA2277663A1 Method and apparatus for manufacturing information storage devices |
| 08/06/1997 | EP0788106A1 Multimedia optical disk for which producer coordinates viewing/listening mode including special reproduction at will and reproducing device and reproducing method for the disk |
| 08/06/1997 | EP0788105A1 Multimedia optical disk for easily realizing branch reproduction to parental lock section with a little amount of control information and reproducing device therefor |
| 08/06/1997 | EP0788104A1 Multimedia optical disk capable of preserving freshness of image content for long time and its reproduction apparatus and method |
| 08/06/1997 | EP0788101A1 Multimedia optical disk which realizes dynamic switching between reproduced outputs, and reproducing apparatus |
| 08/06/1997 | EP0788098A1 Magneto-optical disk focus and tracking servo device |
| 08/06/1997 | EP0788097A2 Mastering compact disks and minidisks |
| 08/06/1997 | EP0788096A1 Compatible optical pickup apparatus |
| 08/06/1997 | EP0788095A1 Objective lens actuator |
| 08/06/1997 | EP0788094A1 Multimedia optical disk capable of developing scenes with full unexpectedness on the basis of interactive control, its reproduction apparatus and its reproduction method |
| 08/06/1997 | EP0787756A2 Polycarbonate copolymer containing oxaspiroundecane group and production process therefor |
| 08/06/1997 | EP0787342A1 Device for reading an information carrier, including discriminating means for determining a type of information carrier |
| 08/06/1997 | EP0787341A2 Optical scanning apparatus for a multi-layer record carrier, including a focus control circuit |
| 08/06/1997 | EP0529060B1 High speed focusing lens assembly |
| 08/06/1997 | CN1156308A Compatible light pick-up device |
| 08/06/1997 | CN1156164A Ultraviolet curing coating composition, optical magnetic disc using said coating and its producing method |
| 08/05/1997 | US5655052 Reproduction apparatus with a time display function |
| 08/05/1997 | US5655051 Digital signal reproducing apparatus |
| 08/05/1997 | US5654953 Optical disk and method of manufacturing the same |
| 08/05/1997 | US5654952 Device for compressing digital signals |
| 08/05/1997 | US5654951 Dynamic switching speed control |
| 08/05/1997 | US5654950 Method for protecting data recorded on a partial read-only memory (ROM) medium from unauthorized copying |
| 08/05/1997 | US5654947 Method for recording information on a record carrier having a track which is transversely modulated in accordance with an auxiliary signal including address codes and auxiliary codes, and a method for producing the track |
| 08/05/1997 | US5654945 Position searching system based on detecting linear velocity of an optical disc |
| 08/05/1997 | US5654944 Method for reproducing a reserved program and compact disc player employing the same |
| 08/05/1997 | US5654131 High density recording |
| 08/05/1997 | US5654057 Sheet glass flattening method, method of manufacturing glass substrate for an information recording disk using flattened glass, method of manufacturing a magnetic recording disk using glass substrate, and magnetic recording medium |
| 08/05/1997 | US5654046 Recording layer comprises liquid crystal polymer; surface protective layer |
| 07/31/1997 | WO1997027584A2 Manufacture of optical data storage disc |
| 07/31/1997 | WO1997027583A1 Optical head, method of manufacturing the same, and diffraction element suitable therefor |
| 07/30/1997 | EP0786839A1 Light output apparatus and optical pickup apparatus employing the same |
| 07/30/1997 | EP0786773A2 A disc reproducing apparatus and method |
| 07/30/1997 | EP0786768A2 Optical information recording medium |
| 07/30/1997 | EP0786767A2 Optical recording medium and optical recording/reproducing device, and manufacturing method of optical recording medium |
| 07/30/1997 | EP0786766A2 Optical pickup device and reproducing apparatus for optical recording medium |
| 07/30/1997 | EP0786137A1 Optical random access memory having diffractive simplex imaging lens |
| 07/30/1997 | EP0786103A1 Apparatus and method for reading motion picture film photographic dye soundtracks |
| 07/30/1997 | EP0542730B1 Optical disc and disc drive apparatus for writing/reading data into/from the disc |
| 07/30/1997 | CN1155732A Process and apparatus for producing substrate sheet for information recording medium, and information recording medium using the same |
| 07/30/1997 | CN1155731A Information storage control method |
| 07/30/1997 | CN1155730A Integrated optical pickup system capable of reading optical disks of different thicknesses |
| 07/29/1997 | US5652817 Optical power splitter with electically-controlled switching structures |
| 07/29/1997 | US5652747 Optical disk recording method having duration ratio between high and low levels during formation of pits |
| 07/29/1997 | US5652746 Electronic track detection methods for apparatus for simultaneously reading multiple adjacent tracks of an optical disk |
| 07/29/1997 | US5652745 Optical system using polarized light with prevention of effect of birefringence |
| 07/29/1997 | US5652744 Single surface diffractive element for optical pickup heads |
| 07/29/1997 | US5652743 Tracking control system with offset correction |
| 07/29/1997 | US5652741 Data storage apparatus having data and parity media |
| 07/29/1997 | US5652737 Magneto-optical disk pick-up device having mode splitter using cut off effect caused by tapered waveguide |
| 07/29/1997 | US5652642 Combination digital and analog soundtrack system and method |
| 07/29/1997 | US5652037 Information recording medium |
| 07/29/1997 | US5652036 Information recording medium and method of manufacturing the same |
| 07/29/1997 | CA1339152C Electrostatic information recording medium and electrostatic informationrecording and reproducing method |
| 07/29/1997 | CA1339151C Method for recording and reproducing information, apparatus therefor andrecording medium |