| 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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| 09/30/1997 | US5673211 Digital data reproducing apparatus |
| 09/30/1997 | US5673195 Compact disc tracking system and method |
| 09/30/1997 | US5673152 Optical pickup comprising a heat-insulating material |
| 09/30/1997 | US5673046 Analog-to-digital conversion circuit for use in information reproduction apparatuses |
| 09/30/1997 | US5672462 Containing quinophthalone dye |
| 09/30/1997 | CA2035410C Magneto-optical recording medium and method for processing the surface |
| 09/25/1997 | WO1997035312A1 High speed video distribution and manufacturing system |
| 09/25/1997 | WO1997035311A1 High speed video digital versatile disk distribution and manufacturing system |
| 09/25/1997 | WO1997035309A1 Method for substituting defective recording of discoid recording medium and discoid recording medium recording and reproducing device |
| 09/25/1997 | WO1997035307A1 Optical data storage disc |
| 09/25/1997 | WO1997035306A1 Optical head and optical recorder |
| 09/25/1997 | WO1997035305A1 Read/write arrangement for optical media |
| 09/25/1997 | WO1997035304A1 Apparatus and methods for forming and use with variable pit depth optical recording media |
| 09/25/1997 | WO1997030439A3 Device for recording an information carrier, method and information carrier therefor |
| 09/25/1997 | CA2248644A1 Read/write arrangement for optical media |
| 09/24/1997 | EP0797206A2 Information record medium, apparatus for recording the same and apparatus for reproducing the same |
| 09/24/1997 | EP0797204A2 Information record medium, apparatus for recording the same and apparatus for reproducing the same |
| 09/24/1997 | EP0797200A2 Information record medium, apparatus for recording the same and apparatus for reproducing the same |
| 09/24/1997 | EP0797195A2 Optical disc and disc cartridge |
| 09/24/1997 | EP0797194A2 Double-layered information recording medium having information recording layers |
| 09/24/1997 | EP0797193A1 Method and device for recording optical information |
| 09/24/1997 | EP0796713A1 Metal mold apparatus for molding an optical disk |
| 09/24/1997 | EP0796492A1 Optical multilayer information carrier |
| 09/24/1997 | CN1160267A Optical head |
| 09/24/1997 | CN1160217A Dual focusing optical pickup device |
| 09/23/1997 | US5671320 System and method for controlling play of multiple dialog audio tracks of a software carrier |
| 09/23/1997 | US5671211 Data recording medium |
| 09/23/1997 | US5671209 Focusing time period and power control of a multilaser diode array |
| 09/23/1997 | US5671208 Optical pickup |
| 09/23/1997 | US5671207 Optical pickup apparatus for performing multi-focusing |
| 09/23/1997 | US5671206 Optical pickup device |
| 09/23/1997 | US5671205 Compact disc comprising an antipiracy marking and method of providing compact discs with an antipiracy marking |
| 09/23/1997 | US5671203 Signal recording layer recognition method in digital disk and apparatus thereof |
| 09/23/1997 | US5671202 Apparatus and method for data security in an optical disk storage system |
| 09/23/1997 | US5671201 Pulling-in circuit for PLL circuit, pulling-in method for PLL circuit, PLL circuit device and apparatus for reproducing optical disc |
| 09/23/1997 | US5671200 Method for detecting the movement of a light beam and optical information reproduction apparatus using the same |
| 09/23/1997 | US5671199 Detecting apparatus for detecting a tracking error signal in an optical information recording and/or reproducing apparatus and an optical information recording and/or reproducing apparatus |
| 09/23/1997 | US5671197 Miniature magnetic disk device and voice coil actuator thereof |
| 09/23/1997 | US5671073 Holographic storage using shift multiplexing |
| 09/23/1997 | US5670777 Photosensitive device and two frequency driving method thereof |
| 09/23/1997 | US5670295 Substrate with recording layer, cyanine dyes, indoline dye and thermoplastic resin |
| 09/23/1997 | US5670083 Optical element and process for producing the same |
| 09/23/1997 | US5669995 Spin coating a ultra violet curable polymer to a master disc having pre-recording grooves, curing, shaping plastic or glass substrate in the form of disk, peeling cured film, attaching to disk, depositing dye, refractive, lacquer layers |
| 09/23/1997 | US5669979 Photoreactive surface processing |
| 09/23/1997 | CA2108351C Objective lens driving apparatus |
| 09/18/1997 | WO1997034298A1 Optical data recording medium, method of producing the same and method of reproducing/erasing record |
| 09/18/1997 | WO1997034297A1 Optical pickup and optical recording apparatus |
| 09/18/1997 | WO1997034296A2 Device for writing and/or reading optical recording medium of various designs |
| 09/18/1997 | WO1997033932A1 Epoxy resin composition and optical information recording medium made by using the same |
| 09/18/1997 | WO1997025709A3 Optical disk reader |
| 09/18/1997 | DE19643505A1 Optical head for information reading and writing to optical disc |
| 09/18/1997 | DE19634950C1 Electro-optically controlled lens for laser printer |
| 09/18/1997 | DE19609575A1 Read and write unit for different types of optical disc - has detector facility to determine focussing error, which is used to control focussing servo |
| 09/17/1997 | EP0795955A2 Phase error signal generator |
| 09/17/1997 | EP0795874A2 Optical disc record and/or reproduction apparatus |
| 09/17/1997 | EP0795873A2 Information recording medium, apparatus for recording the same and apparatus for reproducing the same |
| 09/17/1997 | EP0795869A2 Information record medium, apparatus for recording the same and apparatus for reproducing the same |
| 09/17/1997 | EP0795861A2 User-defined data in an unused region of data storage media |
| 09/17/1997 | EP0795858A2 Rotation control apparatus operating with a sync signal having variable intervals |
| 09/17/1997 | EP0795855A2 Optical pickup apparatus |
| 09/17/1997 | EP0689708B1 Compatible recording and/or playback device |
| 09/17/1997 | EP0587615B1 Signalization of types of defects of an optical information carrier |
| 09/17/1997 | CN1159863A Process for manufacturing optical data storage disk stamper |
| 09/17/1997 | CN1159645A Method and apparatus for manufacturing information storage devices |
| 09/17/1997 | CN1159644A Information recording medium, method and equipment for making medium |
| 09/17/1997 | CN1159643A Double-axle driving element and compact disc device |
| 09/17/1997 | CN1159593A Automatic focusing controller with light source |
| 09/17/1997 | CN1035905C Optical disc for use in an optical data recording and/or reproducing apparatus |
| 09/16/1997 | US5668789 Recording method of recording medium |
| 09/16/1997 | US5668787 Mark length recording system with trial writing to maximize recording power and error recovery |
| 09/16/1997 | US5668786 Magneto-optic disk apparatus having means for eliminating fluctuation component in reproduction magneto-optic signal |
| 09/16/1997 | US5667860 Polymeric cyanine dyes |
| 09/16/1997 | US5667658 Compact disks, sputtered nickel vanadium alloy has improved releasing properties |
| 09/16/1997 | CA2078455C Optical disc |
| 09/16/1997 | CA2062840C Method of fabricating glass substrate for disk |
| 09/16/1997 | CA2056307C Method of manufacturing a stamper |
| 09/12/1997 | WO1997033352A1 Lens, semiconductor laser element, device for machining the lens and element, process for producing semiconductor laser element, optical element, and device and method for machining optical element |
| 09/12/1997 | WO1997033281A1 Disk drive and recording or reproducing method therefor |
| 09/12/1997 | WO1997033280A1 Recording/reproduction apparatus |
| 09/12/1997 | WO1997033278A1 Device for optically scanning a record carrier |
| 09/12/1997 | WO1997033277A1 Objective lens and scanning device using such an objective lens |
| 09/12/1997 | WO1997033276A1 Focusing apparatus and optical apparatus using the same |
| 09/12/1997 | WO1997033275A1 Methods for optical data storage and apparatus for same |
| 09/10/1997 | EP0794209A2 End group modified polycarbonates for digital video discs |
| 09/10/1997 | EP0607445B1 Optical disk unit |
| 09/10/1997 | CN1159245A Recording medium, recording device, reproducingmethod and device |
| 09/10/1997 | CN1159241A Optical scanning apparatus for multi-layer record carrier, including focus control circuit |
| 09/10/1997 | CN1159051A Velocity detector for sled motor |
| 09/10/1997 | CN1159050A Optical pick-up driving apparatus |
| 09/10/1997 | CN1159049A Optial pickup actuator |
| 09/10/1997 | CN1159048A Light output apparatus and optical pickup apparatus employing the same |
| 09/09/1997 | US5666460 Compressed picture information recording apparatus performing in real time |
| 09/09/1997 | US5666345 Optical memory medium with predetermined guide tracks and prepits |
| 09/09/1997 | US5666344 Multiple data surface optical data storage system |
| 09/09/1997 | US5666340 Optical recording medium information reproducing apparatus |
| 09/09/1997 | US5666339 Optical information reproducing apparatus using transversal filter |
| 09/09/1997 | US5666338 Recording medium formatted for error correction and density recording and an apparatus for recording information thereon and/or recording information therefrom |
| 09/09/1997 | US5666336 Reproduction apparatus for reproducing first and second data regions on a CD-ROM |
| 09/09/1997 | US5666335 Apparatus and method for correcting for defective sectors in a recording medium |
| 09/09/1997 | US5666235 Objective lens driving device and optical pickup unit employing this objective lens driving device |