| 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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| 12/29/2004 | WO2004114288A1 A phase change medium erasable at low speed and recordable at high speed and a driving device for such a medium |
| 12/29/2004 | WO2004114287A1 Actuator position control method and corresponding apparatus |
| 12/29/2004 | WO2004114284A2 Decoupling technique for optical disk drive optical pickup units |
| 12/29/2004 | WO2004114283A2 Focus control device and tracking control device |
| 12/29/2004 | WO2004113990A1 Form variable mirror element, method for producing form variable mirror element, form variable mirror unit and optical pick-up |
| 12/29/2004 | WO2004113955A2 Beam-shaper |
| 12/29/2004 | WO2004113469A1 Optical recording material |
| 12/29/2004 | WO2004113045A1 Optical disc molding die having stamper holding surface applied with heat insulating layer and diamond-like carbon film, and molding method using it |
| 12/29/2004 | WO2004061826A3 Intermediate power down mode for a rotatable media |
| 12/29/2004 | WO2003107334A8 Optical data storage medium and use of such medium |
| 12/29/2004 | EP1492125A1 Apparatus and method for recording and reproducing optical information |
| 12/29/2004 | EP1492117A2 Storage medium, recording/reproducing apparatus, and recording/reproducing method |
| 12/29/2004 | EP1492113A1 Recording medium, recording/reproduction device, and recording/reproduction method |
| 12/29/2004 | EP1492108A2 Apparatus, method, and program product for secure data formatting and retrieving, and computer readable transportable data recording medium storing the program product |
| 12/29/2004 | EP1492103A2 Domain wall displacement detection system magneto-optical recording medium and its manufacturing method |
| 12/29/2004 | EP1492102A2 Method for producing stamper for optical information recording medium |
| 12/29/2004 | EP1492101A2 Optical disc with super-resolution near-field structure |
| 12/29/2004 | EP1492100A1 High-precision positioning apparatus |
| 12/29/2004 | EP1492099A1 Optical disk identifying device, optical disk identifying method, optical disk recorder, and optical disk reproducing device |
| 12/29/2004 | EP1492098A2 Optical disk, method for manufacturing the same, and method for recording and method for reproducing data using optical disk |
| 12/29/2004 | EP1492097A2 High-density optical disk and optical disk drive |
| 12/29/2004 | EP1492096A1 Disc-shaped recording medium, manufacturing method and manufacturing device thereof, and data recording method |
| 12/29/2004 | EP1492095A2 Method and apparatus for the holographic recording and readout of data |
| 12/29/2004 | EP1492094A2 Optical disk device |
| 12/29/2004 | EP1492093A1 Processing method for photoresist master, production method for recording medium-use mater, production method for recording medium, photoresist master, recording medium-use master and recording medium |
| 12/29/2004 | EP1492092A2 Two-photon absorbing optical recording material and two-photon absorbing optical recording and reproducing method |
| 12/29/2004 | EP1492091A1 Optical disk recording/reproducing method and recording/reproducing apparatus using the same |
| 12/29/2004 | EP1491529A1 Phenolic compound and recording material containing the same |
| 12/29/2004 | EP1491353A1 Optical recording media and dipyrromethene-metal chelate compounds |
| 12/29/2004 | EP1490870A1 Production of dvd cards and other discs of noncircular shape |
| 12/29/2004 | EP1490869A1 Optical disc drive and method for controlling the same |
| 12/29/2004 | EP1490868A1 Optical disk and method of recording data to the same |
| 12/29/2004 | EP1404739B1 Optical polycarbonate and applications thereof |
| 12/29/2004 | EP1230638A4 Methods and apparatus for rendering an optically encoded medium unreadable and tamper-resistant |
| 12/29/2004 | EP1046019B1 Navigation system and navigation data carrier |
| 12/29/2004 | CN1559069A 光记录媒质 An optical recording medium |
| 12/29/2004 | CN1558417A Recording and/or playback device |
| 12/29/2004 | CN1558414A Information recording apparatus |
| 12/29/2004 | CN1558413A Apparatus and method for playing optical disk |
| 12/29/2004 | CN1558412A Multi-layer optical disk and its manufacturing method |
| 12/29/2004 | CN1558411A 光学记录介质 The optical recording medium |
| 12/29/2004 | CN1558410A Optical pickup |
| 12/29/2004 | CN1558409A Optical head device, optical disk apparatus using optical head device, and heat radiation mechanism |
| 12/29/2004 | CN1558408A Optical head apparatus and optical disk apparatus using this optical head apparatus |
| 12/29/2004 | CN1558407A Optical head apparatus and optical disk apparatus using this optical head apparatus |
| 12/29/2004 | CN1558406A Optical head device and optical information device using the same, optical disk recorder |
| 12/29/2004 | CN1558405A Light pickoff actuator and optical recording and/or reproducing apparatus using the actuator |
| 12/29/2004 | CN1558404A Track locking method for CD-ROM drive and optical read-write head of CD-ROM drive |
| 12/29/2004 | CN1558403A Optical signal converter and method of controlling amplification gain according to rotating speed of optical disc |
| 12/29/2004 | CN1558402A Disk apparatus and signal processing method |
| 12/29/2004 | CN1558401A Spherical aberration correction control device and optical disc apparatus |
| 12/29/2004 | CN1558400A Address reproduction circuit, optical disc drive and address reproduction method |
| 12/29/2004 | CN1182532C Method and device for reproducing, method and device for editing |
| 12/29/2004 | CN1182531C Apparatus and method for clipping RF signal and compensating clipping level |
| 12/29/2004 | CN1182524C Optical disk and production method thereof |
| 12/29/2004 | CN1182523C Optical system for optical disc, optical head unit for optical disc, and optical drive unit |
| 12/29/2004 | CN1182522C Optical head device compatible with optical recording medium with different thickness |
| 12/29/2004 | CN1182521C Optical picking-up device able to detect stable error signal |
| 12/29/2004 | CN1182520C Optical storage medium processing and logic block address producing method and optical memory unit |
| 12/29/2004 | CN1182519C Optical disc replaying device |
| 12/29/2004 | CN1182518C Image processing apparatus and method |
| 12/29/2004 | CN1182409C Optical component and optical device using the component |
| 12/29/2004 | CA2530282A1 Optical information carrier containing bragg reflectors |
| 12/28/2004 | US6836897 Device and method for removing contaminant particle from optical disk |
| 12/28/2004 | US6836584 Optical microswitch |
| 12/28/2004 | US6836579 Surface optical device apparatus, method of fabricating the same, and apparatus using the same |
| 12/28/2004 | US6836491 Semiconductor laser device |
| 12/28/2004 | US6836459 Optical pickup device |
| 12/28/2004 | US6836458 Recording apparatus for optical recording media |
| 12/28/2004 | US6836457 Information reproducing method and information reproducing device |
| 12/28/2004 | US6836456 Information reproducing apparatus |
| 12/28/2004 | US6836455 Recording/reproducing apparatus, and method of detecting state thereof |
| 12/28/2004 | US6836454 Method and apparatus for reading and writing information onto and from information recording disks |
| 12/28/2004 | US6836452 Optical pickup apparatus |
| 12/28/2004 | US6836451 Lensless optical servo system for an optically assisted disk drive |
| 12/28/2004 | US6836378 Objective lens design method, lens, and optical system, optical head, and optical disc apparatus using the same |
| 12/28/2004 | US6836343 Method and circuit arrangement for driving laser diodes |
| 12/28/2004 | US6836126 Offset calibration system and method of automatic power control loop |
| 12/28/2004 | US6836034 Non-biasing guiding mechanism |
| 12/28/2004 | US6835943 Electron-beam lithography |
| 12/28/2004 | US6835798 Method of producing polycarbonates |
| 12/28/2004 | US6835725 Cyanine dye containing heterocylic rings; satisfies light stability, favorable signal/noise rato, damage free application to the substrate material, use in the information layer in a write-once optical data carrier |
| 12/28/2004 | US6835531 Phase change optical disc |
| 12/28/2004 | US6835523 Introducing an optical disk having a surface protected by a protective hard carbon film having thickness of 500 A or less, irradiating a semiconductor laser light on the disk through such hard carbon coating |
| 12/28/2004 | US6835434 Method for manufacturing disc-shaped optical recording medium and disc-shaped substrate for optical recording medium |
| 12/28/2004 | US6835433 Optical recording medium |
| 12/28/2004 | US6835432 Optical disc and method for manufacturing the optical disc |
| 12/28/2004 | US6835431 Fluorescent formulation containing a fluorescent dye, a film forming polymer, a plasticizer and an organic solvent |
| 12/28/2004 | US6835368 Doubly doped lithium niobate crystals |
| 12/28/2004 | US6835270 Process and apparatus of producing optical disk and process of producing substrate |
| 12/25/2004 | CA2472075A1 Optical disk, method for manufacturing the same, and method for recording and method for reproducing data using optical disk |
| 12/23/2004 | WO2004112046A1 Data storage medium having layers acting as transistor when illuminated |
| 12/23/2004 | WO2004112045A2 High areal density holographic data storage system |
| 12/23/2004 | WO2004112025A1 Recording and/or reproducing method and apparatus |
| 12/23/2004 | WO2004112022A1 Apparatus for processing information stored in a data carrier, data carrier and method for storing a file with a plurality of related sub-files in said carrier |
| 12/23/2004 | WO2004112017A1 A method and apparatus for determining if an optical disk originated from a valid source |
| 12/23/2004 | WO2004112015A1 Means/method for generating a laser drive signal |
| 12/23/2004 | WO2004112014A1 Actuator position control method and corresponding apparatus |
| 12/23/2004 | WO2004112013A1 Device and method of reducing data -to- pushpull cross-talk |
| 12/23/2004 | WO2004112012A2 Optical pick-up actuator and method for assembling an optical pick-up actuator |