| 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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| 01/27/2005 | US20050018551 Playback apparatus with second variation detection |
| 01/27/2005 | US20050018550 A tray-out control method for moving out a loading tray of an optical drive |
| 01/27/2005 | US20050018549 Method and related apparatus for evaluating beta-parameter according to results of read data sliced with different slicing levels while performing optimal power control of optical disk drive |
| 01/27/2005 | US20050018547 Optically-assisted magnetic recording head and optically-assisted magnetic recording apparatus |
| 01/27/2005 | US20050018317 Optical lens and method of producing the same, method of producing optical lens array, focus error signal production method, and optical pickup apparatus |
| 01/27/2005 | US20050018297 Optical component and optical pickup apparatus |
| 01/27/2005 | US20050018266 Optical scanning device |
| 01/27/2005 | US20050018263 Methods and systems for holographic data recovery |
| 01/27/2005 | US20050018262 Holographic recording method and apparatus |
| 01/27/2005 | US20050018260 Holographic recording medium and holographic recording medium manufacturing method |
| 01/27/2005 | US20050018180 Methods for measuring optical characteristics by differential diffractive scanning |
| 01/27/2005 | US20050017772 Method and related apparatus for decoding information carried by wobble signals |
| 01/27/2005 | US20050016843 Sputter chamber as well as vacuum transport chamber and vacuum handling apparatus with such chambers |
| 01/27/2005 | DE10329778A1 Aufzeichnungs- oder Wiedergabegerät mit einer Aufzeichnungs- oder Lesevorrichtung A recording or reproducing apparatus with a recording or reading apparatus |
| 01/27/2005 | DE10329711A1 Verfahren zur Herstellung von alkoxysubstituierten Phthalocyaninen Process for the preparation of alkoxy-substituted phthalocyanines |
| 01/27/2005 | DE10327336A1 Legierung und deren Verwendung Alloy and the use thereof |
| 01/27/2005 | CA2533105A1 Method and apparatus for determining the optimal write power, and optical recording medium for use by such method and apparatus |
| 01/26/2005 | EP1501092A1 Magnetooptic disk |
| 01/26/2005 | EP1501091A2 Information recording medium and method for producing the same |
| 01/26/2005 | EP1501090A1 Phase change Information recording medium and method for producing the same |
| 01/26/2005 | EP1501089A2 Optical recording medium and method of producing the same |
| 01/26/2005 | EP1501088A1 Optical near-field generating element and optical apparatus including the same |
| 01/26/2005 | EP1501087A2 Writing pixels to last fractional pixel positions of tracks of optical discs |
| 01/26/2005 | EP1501086A1 Method and apparatus for recording/reproducing optical information |
| 01/26/2005 | EP1501085A1 Recording disc, recording information reproduction device, and recording information reproduction method |
| 01/26/2005 | EP1501084A1 Optical recording medium judgment device and optical recording medium judgment method |
| 01/26/2005 | EP1501083A1 Device for discriminating optical recording medium and method for discriminating optical recording medium |
| 01/26/2005 | EP1500957A1 Laminate wavelength plate and optical pickup using it |
| 01/26/2005 | EP1500956A1 Optical element, optical head, optical information recording/reproduction device, computer, video recording device, video reproduction device, server, and car navigation system |
| 01/26/2005 | EP1500098A1 Method for making limited play data storage media |
| 01/26/2005 | EP1500097A2 Coating formulations for limited play data storage media |
| 01/26/2005 | EP1500096A1 Limited play data storage media and method for limiting access to data thereon |
| 01/26/2005 | EP1500095A1 Optical data storage medium |
| 01/26/2005 | EP1500094A1 Dual stack optical data storage medium |
| 01/26/2005 | EP1500093A2 Multitrack optical disc reader |
| 01/26/2005 | EP1500092A1 Compound objective lens with fold mirror |
| 01/26/2005 | EP1500091A2 Method and device for performing tilt correction using multi-dimensional actuator |
| 01/26/2005 | EP1500090A1 Optical pickup |
| 01/26/2005 | EP1500089A1 Optical data storage medium and use of such medium |
| 01/26/2005 | EP1500088A1 Read/write head for optical disk drive and optical disk drive comprising such a read/write head |
| 01/26/2005 | EP1312080B1 Method for tracking in an optical recording/reading apparatus, and corresponding apparatus |
| 01/26/2005 | CN1571997A Optical information recording medium and its manufacturing method |
| 01/26/2005 | CN1571996A Slider for an optical data writing/reading apparatus, and apparatus comprising such a slider |
| 01/26/2005 | CN1571995A 光记录载体和光扫描装置 Optical record carrier and the optical scanning device |
| 01/26/2005 | CN1571994A 光扫描装置 Optical scanning device |
| 01/26/2005 | CN1571941A Optical element, and manufacturing method thereof |
| 01/26/2005 | CN1571058A Recording method, recording apparatus, optical recording medium and computer readable recording medium |
| 01/26/2005 | CN1571054A Optical disk reproducing device |
| 01/26/2005 | CN1571050A Apparatus and method for determining type of optical disk |
| 01/26/2005 | CN1571049A Turntable |
| 01/26/2005 | CN1571047A Class of electron beam based data storage devices and methods of use thereof |
| 01/26/2005 | CN1571046A Optical recording medium-producing sheet and optical recording medium |
| 01/26/2005 | CN1571045A Optical disc medium and optical disc device |
| 01/26/2005 | CN1571044A Optical information recording medium |
| 01/26/2005 | CN1571043A Write once optical recording medium |
| 01/26/2005 | CN1571042A 光头装置 The optical pickup device |
| 01/26/2005 | CN1571041A Laser head apparatus and object lens |
| 01/26/2005 | CN1571040A Method and device for reading digital color CD |
| 01/26/2005 | CN1571039A Optical system of optical pick-up |
| 01/26/2005 | CN1571038A Objective lens for optical pickup device, optical pickup device, and optical information recording and reproducing device |
| 01/26/2005 | CN1571037A Read-write head having heat sink |
| 01/26/2005 | CN1571036A 物镜驱动装置 An objective lens driving device |
| 01/26/2005 | CN1571035A A method for producing tracking control signal |
| 01/26/2005 | CN1571034A A non-volatile holographic data storage method |
| 01/26/2005 | CN1571033A Confocal reflection page holographic CD storage device |
| 01/26/2005 | CN1571032A Holographic data storage medium |
| 01/26/2005 | CN1571031A Method for preventing misreading of multi-section content directory |
| 01/26/2005 | CN1571030A Repetitive caption playing method of CD-ROM |
| 01/26/2005 | CN1571029A Method for reading defective CD |
| 01/26/2005 | CN1571028A Playing recovery control method of CD-ROM |
| 01/26/2005 | CN1571027A Multi-channel parallel writing method for photochromic multi-wavelength optical storage |
| 01/26/2005 | CN1571025A CD recording signal control circuit |
| 01/26/2005 | CN1571024A Method for recording original source recognition and CD recorder and CD disk thereof |
| 01/26/2005 | CN1571023A 盘驱动单元 The disk drive unit |
| 01/26/2005 | CN1571022A Method for controlling writing speed of CD-ROM |
| 01/26/2005 | CN1571021A CD with double track structure and data recording-reading method for the same CD-ROM |
| 01/26/2005 | CN1571020A Repetitive CD playing method of CD-ROM |
| 01/26/2005 | CN1571019A Servo regulating method of CD-ROM |
| 01/26/2005 | CN1570779A Holographic recording and reproducing apparatus |
| 01/26/2005 | CN1186778C Method of driving head, head driving device and disc driving apparatus using the same method and device |
| 01/26/2005 | CN1186777C Digital multipurpose disc voice frequency disc of storage voice frequency data and reproducing device |
| 01/26/2005 | CN1186775C Arrangement for reading information from record carrier |
| 01/26/2005 | CN1186774C CD driver and method for distinguishing the CD mounted on the same |
| 01/26/2005 | CN1186772C Optical information recording media, reflective layer or semi-transparent reflective layer, and sputtering target therefor |
| 01/26/2005 | CN1186771C Optical scanner, object glass system for optical scanner and optical player |
| 01/26/2005 | CN1186770C Compatible optical disk player and data recording and reproducing method |
| 01/26/2005 | CN1186769C 物镜驱动装置及其制造方法 The objective lens driving device and a method of manufacturing |
| 01/26/2005 | CN1186768C Electronic beam recording apparatus and electronic beam recording method |
| 01/26/2005 | CN1186668C Objective lens for optical pick up head device |
| 01/25/2005 | US6848115 A readout layter for forming near field light in the center portion of a laser spot, a recording layer and a scattering bodies layer |
| 01/25/2005 | US6847665 Semiconductor laser device and method for producing the same |
| 01/25/2005 | US6847606 Air-bearing slider for optical disk drive |
| 01/25/2005 | US6847604 Information recording medium, method and apparatus for recording and reproducing information |
| 01/25/2005 | US6847603 Information recording apparatus |
| 01/25/2005 | US6847601 Data recovery apparatus and method |
| 01/25/2005 | US6847600 Method for estimating the quality of an information recording medium utilizing equalization signals |
| 01/25/2005 | US6847599 Disc drive apparatus |
| 01/25/2005 | US6847598 Servo with digital filter to control gain in a frequency band where open loop characteristic is higher than the phase cross-over frequency and lower than resonance frequency |
| 01/25/2005 | US6847597 Optical disk drive with a digital focus and tracking servo system |
| 01/25/2005 | US6847596 Tracking servo system including a multi-track seek algorithm with a track zero crossing period integrity test |