| 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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| 01/11/2000 | US6014359 Optical head with a polarizing diffractive element |
| 01/11/2000 | US6014356 Data-reproducing device |
| 01/11/2000 | US6014354 Tracking control device for optical pickup |
| 01/11/2000 | US6014352 Optical storage system and storage medium storing copy processing program |
| 01/11/2000 | US6014350 Information reproducing or recording apparatus provided with memory for storing data, and information reproducing or recording method using the same apparatus |
| 01/11/2000 | US6014349 Storage apparatus using variable read clock frequencies for reading ZCAV recording medium |
| 01/11/2000 | US6014280 Erasing apparatus having a timer to release the erase standby mode |
| 01/11/2000 | US6014271 Objective lens for optical disc |
| 01/11/2000 | US6014255 Polarizing beam splitter and magneto-optic reading device using the same |
| 01/11/2000 | US6013352 Mountable disc display device |
| 01/11/2000 | US6013145 Bonding optical disks using adhesive made of ultraviolet curing resin |
| 01/06/2000 | WO2000000965A1 Optical information recording medium |
| 01/06/2000 | WO2000000964A1 Objective lens for optical pick-up |
| 01/06/2000 | WO2000000453A2 Pyrotechnic layer for targeted data destruction on data carriers |
| 01/06/2000 | WO2000000348A1 Security marking system and method for minimizing pirating of data on data media |
| 01/06/2000 | WO2000000003A1 Data system with support surfaces for reciprocating data head |
| 01/06/2000 | WO1999059148A3 Device for optically scanning a record carrier |
| 01/06/2000 | WO1999059143A3 Rewritable optical information medium |
| 01/06/2000 | CA2335459A1 Data system with support surfaces for reciprocating data head |
| 01/05/2000 | EP0969472A1 Data block format for software carrier and player therefor |
| 01/05/2000 | EP0969464A1 Data block format for software carrier and player therfor |
| 01/05/2000 | EP0969463A1 Recording and reproducing system, recording apparatus and reproducing apparatus having copy protection function |
| 01/05/2000 | EP0969457A2 Sputtering target, method of producing the target and method of fabricating an optical recording medium |
| 01/05/2000 | EP0969456A1 Optical pickup apparatus |
| 01/05/2000 | EP0969455A1 Optical head unit for optical disk apparatus |
| 01/05/2000 | EP0969454A1 Suspension device with direction dependent elastic force properties |
| 01/05/2000 | EP0969453A1 Fast and precise positioning of a reading and/or writing head in a data player and/or recorder |
| 01/05/2000 | EP0969452A1 Information reproducer, information recorder and reference mark detection circuit |
| 01/05/2000 | EP0969348A1 Readable indelible mark on storage media |
| 01/05/2000 | EP0969031A1 Polycarbonate resin, optical-information recording medium substrate made of the same, and optical-information recording medium |
| 01/05/2000 | EP0968984A1 Pyrotechnic layer for the targeted destruction of machine readable data on information carriers |
| 01/05/2000 | EP0968769A2 Optical information-recording medium, method for producing the same, and air-conditioning system for producing optical information recording medium |
| 01/05/2000 | EP0968498A1 Customized graphics for dual layer optical discs |
| 01/05/2000 | EP0968434A2 Laboratory in a disk |
| 01/05/2000 | DE19829706A1 Reading and writing device for recording media with information tracks |
| 01/05/2000 | CN2357397Y Improvement optical-mechanical module |
| 01/05/2000 | CN1240530A Complex polymethine dyes and their use |
| 01/05/2000 | CN1240529A Compact disc |
| 01/05/2000 | CN1240298A Recording data generating, regenerating method and device, recording medium |
| 01/05/2000 | CN1240295A Optical disc driving system and the insulator for damping unhoped mechanical force affection |
| 01/05/2000 | CN1240292A Information recording medium |
| 01/05/2000 | CN1240291A Optical read/write device for data storage medium |
| 01/05/2000 | CN1240290A Compact disc system having current monitoring circuit assembly and operation method thereof |
| 01/05/2000 | CN1240289A Compact disc system having circuit for checking disc readable free sector and operation method thereof |
| 01/05/2000 | CN1240288A Compact disc system having focusing catching assembly and operation method thereof |
| 01/05/2000 | CN1240287A Focusing method and system for focus capture and focus control in optical disc system including detection of quad sum signal to close focus |
| 01/05/2000 | CN1048106C 光扫描装置 Optical scanning device |
| 01/04/2000 | US6011902 Motor control circuit |
| 01/04/2000 | US6011895 Keyword responsive variable content video program |
| 01/04/2000 | US6011772 Machine-readable optical disc with reading-inhibit agent |
| 01/04/2000 | US6011771 Optical disc |
| 01/04/2000 | US6011769 Optical information recording/reproducing apparatus with high frequency imposing circuit |
| 01/04/2000 | US6011768 Laser light control circuit, optical pickup unit and optical pickup device incorporating the same |
| 01/04/2000 | US6011767 Optical data storage disc with a visible holographic image and method for its manufacture |
| 01/04/2000 | US6011764 Optical disk and optical disk apparatus |
| 01/04/2000 | US6011762 Optical disk apparatus |
| 01/04/2000 | US6011757 Optical recording media having increased erasability |
| 01/04/2000 | US6011610 Compatible digital soundtracks for 70 mm motion picture film |
| 01/04/2000 | US6011599 Integrated type of information recording medium using patterning electrodes, and its packaging case |
| 01/04/2000 | US6010761 Optical disc |
| 01/04/2000 | CA2190285C Optical disk structure, method of manufacturing the same, and apparatus for manufacturing the same |
| 01/04/2000 | CA2020180C Method for making optically readable media containing embossed information |
| 12/30/1999 | DE19929623A1 Objective lens for optical recording device e.g. CD, CD-R or DVD device |
| 12/30/1999 | DE19927714A1 Recording medium for optical recording/playback of information |
| 12/30/1999 | DE19915698A1 Optical information storage device e.g. for reproduction of information stored on magnetooptical recording medium |
| 12/29/1999 | WO1999067778A2 Rewritable optical information medium |
| 12/29/1999 | WO1999067200A1 Amminium salt or diimmonium salt compounds and use thereof |
| 12/29/1999 | WO1999067085A1 Methods and apparatus for rendering an optically encoded medium unreadable |
| 12/29/1999 | WO1999067084A1 Metal alloys for the reflective or the semi-reflective layer of an optical storage medium |
| 12/29/1999 | WO1999054761A8 Structure for micro-machine optical tooling and method for making and using |
| 12/29/1999 | EP0967613A1 Apparatus for replaying a recording medium |
| 12/29/1999 | EP0967612A2 Optical disk recording apparatus and method for recording data on optical disk |
| 12/29/1999 | EP0967609A2 Method and apparatus for recording data, Method and apparatus for reproducing a recording medium, recording medium, to support manufacturer specific information |
| 12/29/1999 | EP0967608A2 Optical disk recording/reproducing apparatus and method thereof |
| 12/29/1999 | EP0967605A1 Recording medium for storing still pictures and a recording and/or reproducing method and apparatus therefor |
| 12/29/1999 | EP0967601A1 Information recording/playback apparatus and recording medium unit used therefor |
| 12/29/1999 | EP0967600A1 Recorder |
| 12/29/1999 | EP0967599A1 Optical disk recording device and optical disk drive |
| 12/29/1999 | EP0967598A1 Optical disk recording device and optical disk drive |
| 12/29/1999 | EP0967193A2 Process for production of fluoroalcohol and its use for the manufacture of an information recording medium |
| 12/29/1999 | EP0966739A1 Hot-melt adhesive for gluing digital versatile discs |
| 12/29/1999 | EP0966738A1 A flying head positioner with fine positioning |
| 12/29/1999 | EP0888612A4 Apparatus and methods for forming and use with variable pit depth optical recording media |
| 12/29/1999 | EP0832485B1 Compact disc tracking system and method |
| 12/29/1999 | CN2356400Y Portable audiovisual disc machine |
| 12/29/1999 | CN1239801A Device for anplifying and converting current signals into voltage signals |
| 12/29/1999 | CN1239800A Optical recording medium and optical recording/reproducing method and apparatus |
| 12/29/1999 | CN1239799A Apparatus for reproduction or recording of data or information |
| 12/29/1999 | CN1239798A Optical disk recording apparatus and method for recording data on optical disk |
| 12/29/1999 | CN1047864C 光学数据存贮介质 Optical data storage medium |
| 12/29/1999 | CN1047863C Objective lens driving device and optical pickup device employing the objective lens driving device |
| 12/29/1999 | CN1047851C Device for raising frequency of electromagnetic radiation |
| 12/29/1999 | CA2508962A1 Metal alloys for the reflective or the semi-reflective layer of an optical storage medium |
| 12/29/1999 | CA2334516A1 Methods and apparatus for rendering an optically encoded medium unreadable |
| 12/28/1999 | US6009237 Optical disk and optical disk reproduction apparatus |
| 12/28/1999 | US6009234 Method of reproducing information |
| 12/28/1999 | US6009072 High density optical disc player |
| 12/28/1999 | US6009071 Optical disk having information pits with projections formed therein |
| 12/28/1999 | US6009070 Multi-layer optical disk having a reflection layer comprising thin metal film and a dielectric |
| 12/28/1999 | US6009067 Apparatus for reproducing recorded information |