| 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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| 05/25/2005 | CN1203472C Optical recording device and method for recording optical disc |
| 05/25/2005 | CN1203471C Tracking method and attress reproducing method using disklike storage medium |
| 05/25/2005 | CN1203470C Reproducing device and reproducting method for optical recording medium |
| 05/25/2005 | CN1203346C Objective for light pick up equipment and light pickup equipment |
| 05/24/2005 | US6898796 Optical information medium and making method |
| 05/24/2005 | US6898744 Apparatus and methods for monitoring encoder signals |
| 05/24/2005 | US6898223 Apparatus for and method of controlling output of a laser diode |
| 05/24/2005 | US6898175 Optical disc having positive marks and negative marks in a sector block |
| 05/24/2005 | US6898174 Phase change recording layer; minimum record marks formed are circular or ellipsoidal and have no recrystallized regions; recorded information cannot be erased or rewritten at the minimum linear velocity used. |
| 05/24/2005 | US6898173 Recording and playback of multi-channel digital audio having different resolutions for different channels |
| 05/24/2005 | US6898172 System to reduce writing overhead to a hybrid optical disc |
| 05/24/2005 | US6898171 Information recording medium with index header |
| 05/24/2005 | US6898170 PMAD/PSA digital feedback system |
| 05/24/2005 | US6898169 Optical pickup head device, information recording/reproducing apparatus, and method for recording information |
| 05/24/2005 | US6898168 Optical pick-up apparatus |
| 05/24/2005 | US6898167 Techniques for writing and reading data on an optical disk which include formation of holographic optical gratings in plural locations on the optical disk |
| 05/24/2005 | US6898165 Reproducer capable of changing a reproducing speed in accordance with a scratch operation |
| 05/24/2005 | US6898164 Close tracking algorithm in a digital tracking servo system |
| 05/24/2005 | US6898163 Optical disc apparatus |
| 05/24/2005 | US6898162 Method and related apparatus for storing program code and optimized power calibration data in the same non-volatile memory |
| 05/24/2005 | US6898157 Optical head having a plurality of coil elements connected in parallel to each other |
| 05/24/2005 | US6898038 Method and apparatus for disc drive data security using fields in servo wedges |
| 05/24/2005 | US6898028 Optical device and optical reproducing apparatus |
| 05/24/2005 | US6898027 Optical element and manufacturing method for same |
| 05/24/2005 | US6898024 Optical system for optical pickup employing coma compensating element |
| 05/24/2005 | US6898010 Beam-shaping device, optical disc device, and fabrication method of beam-shaping device |
| 05/24/2005 | US6897433 Method for rewriting data in three-dimensional optical memory device fabricated in glass by ultra-short light pulse |
| 05/24/2005 | US6896973 Surface treatment of thermoplastic resin support substrate with an active gas, ozone; removes contamination, nondeteriorating, makes surface hydrophilic, improving wettability |
| 05/24/2005 | US6896947 Metal alloys for the reflective or the semi-reflective layer of an optical storage medium |
| 05/24/2005 | US6896946 Initiation-free super-resolution optical medium |
| 05/24/2005 | US6896945 Optical data carrier comprising a phthalocyanine dye as light-absorbent compound in the information layer |
| 05/24/2005 | US6896829 Method of manufacturing a composite disc structure and apparatus for performing the method |
| 05/24/2005 | US6896419 Optical pickup |
| 05/24/2005 | US6895657 For recording and/or reproducing signals on or from a recording medium |
| 05/19/2005 | WO2005046097A1 A recording and/or reproducing apparatus and method with asignal quality determining device and method |
| 05/19/2005 | WO2005045844A1 Optical disc, player for the optical disc and its play back method |
| 05/19/2005 | WO2005045841A1 Optical disc player and its playing method |
| 05/19/2005 | WO2005045828A1 Information recording device and information recording system |
| 05/19/2005 | WO2005045826A1 Method and system of decrypting disc |
| 05/19/2005 | WO2005045818A1 Optical information recording medium, optical information recording medium recording/reproducing method, and recording/reproducing apparatus |
| 05/19/2005 | WO2005045817A1 Information carrier comprising a data layer and a detection layer. |
| 05/19/2005 | WO2005045816A1 Small-sized optical disk for data storing and reading |
| 05/19/2005 | WO2005045815A1 Near-field optical transducers for thermal assisted magnetic and optical data storage |
| 05/19/2005 | WO2005045814A1 Deformable mirror, optical head and optical recording/reproducing device |
| 05/19/2005 | WO2005045813A1 A disc drive mechanism and method of operation therefor |
| 05/19/2005 | WO2005045812A1 Information storage medium and method and apparatus for recording data thereon |
| 05/19/2005 | WO2005045811A1 Information recording medium, recording and/or reproducing method, and recording and/or reproducing apparatus |
| 05/19/2005 | WO2005045810A2 Method and device for reading information from optical disc |
| 05/19/2005 | WO2005045522A2 Photocurable compositions for articles having stable tensile properties |
| 05/19/2005 | WO2005045484A1 Diffraction element and optical head device |
| 05/19/2005 | WO2005044782A1 Diimonium salt compound and use thereof |
| 05/19/2005 | WO2005044579A1 Imaging media and materials used therein |
| 05/19/2005 | WO2005044578A1 Optical recoding medium and its manufacturing method, sputtering target, usage of optical recording medium, and optical recorder |
| 05/19/2005 | WO2005044577A1 Phase-change optical recording medium |
| 05/19/2005 | WO2005044576A1 Optical recording medium, process for producing the same, sputtering target, method of using optical recording medium and optical recording apparatus |
| 05/19/2005 | WO2005044575A1 Two-layer phase change information recording medium and recording method |
| 05/19/2005 | WO2005044550A2 Protective u.v. curable cover layer for optical media |
| 05/19/2005 | WO2005031716A3 A carrier card with optical disc and microelectronic chip |
| 05/19/2005 | WO2005020232A3 Method for recording information on a multi layer record carrier, and record carrier for use by such method |
| 05/19/2005 | WO2005008638A3 Multi-layer information carrier with switching circuit |
| 05/19/2005 | WO2005008637A3 Multi-stack information carrier with photochromic materials |
| 05/19/2005 | WO2005006313A3 Optical recording medium, process for the production thereof, master stamper for optical recording medium and process for the production thereof |
| 05/19/2005 | WO2004070545A3 Interactive electronic device with optical page identification system |
| 05/19/2005 | US20050108744 Disk for disk drive |
| 05/19/2005 | US20050108743 Disc device and loading method for recording disc |
| 05/19/2005 | US20050108742 Support mechanism and feeding unit including same |
| 05/19/2005 | US20050108741 Disc drive or player for reading double-sided optical discs |
| 05/19/2005 | US20050108740 Movement for disk player |
| 05/19/2005 | US20050108737 Optical drive |
| 05/19/2005 | US20050108612 Secure digital video disk and player |
| 05/19/2005 | US20050106508 fabricating a device wherein an uneven configuration is formed in the device having a crystalline region and an amorphous region by selectively removing any one of said crystalline region and said amorphous region |
| 05/19/2005 | US20050106502 Information recording medium and oxonol compound |
| 05/19/2005 | US20050106404 Article having composite hard coat layer and method for forming composite hard coat layer |
| 05/19/2005 | US20050106354 Method for evaluating anti-contamination level on a surface of optical recording medium, the apparatus and the optical recording medium |
| 05/19/2005 | US20050106353 Contains a silicon oxycarbide dielectric film with a complex refractive index that satisfies a given formula; high recording density; suppresses the cross-erase even when the track pitch is reduced; noise reduction film is formed of silicon oxide or silicon oxycarbide |
| 05/19/2005 | US20050106352 Optical information recording medium, information recording method, and dye compound |
| 05/19/2005 | US20050106351 High density read only optical disc |
| 05/19/2005 | US20050106350 polycarbonate resin having precise transferability to the shape of a stamper, high rigidity, low water absorbability and transparency and to an optical disk substrate and an optical disk which are obtained from the composition |
| 05/19/2005 | US20050105893 Digital video system |
| 05/19/2005 | US20050105728 Information recording medium, usage management method, and usage management apparatus |
| 05/19/2005 | US20050105578 Wavelength-tunable light source and method for fabricating the same |
| 05/19/2005 | US20050105571 Controlling the temperature of a laser diode in a disc drive |
| 05/19/2005 | US20050105569 Laser control unit, laser control circuit, and laser-power adjustment method |
| 05/19/2005 | US20050105459 Optical disk, method for producing the same, and recording and reproducing apparatus |
| 05/19/2005 | US20050105458 Recording and/or reproducing method for record medium, reproducing apparatus, record medium, record medium distinguishing method, and recording and/or reproducing method for apparatus using record medium |
| 05/19/2005 | US20050105457 Double-sided optical disc with means for indicating its proper direction of rotation |
| 05/19/2005 | US20050105456 Double-sided optical disc |
| 05/19/2005 | US20050105455 Recording medium, recording method, and recording apparatus |
| 05/19/2005 | US20050105454 Methods and devices for recording marks on a recording surface of an optical record carrier and optical record carriers therefor |
| 05/19/2005 | US20050105453 Recording apparatus |
| 05/19/2005 | US20050105452 Optical pickup device |
| 05/19/2005 | US20050105451 Method and device for generating a stable power control signal |
| 05/19/2005 | US20050105450 Optical disc player having a read head with dual laser beam sources |
| 05/19/2005 | US20050105449 Optical scanning device |
| 05/19/2005 | US20050105448 Objective lens and optical pickup device using it |
| 05/19/2005 | US20050105447 Optical pickup device and optical system used for the same |
| 05/19/2005 | US20050105446 Optical pickup apparatus |
| 05/19/2005 | US20050105445 Holographic recording and reconstructing apparatus and mask for use therein |
| 05/19/2005 | US20050105444 Apparatus for recording information and apparatus for recording and reproducing information |
| 05/19/2005 | US20050105443 Player with two read heads for double-sided optical discs |