| 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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| 04/14/2004 | EP1408487A2 Method and device for adjusting focus bias in optical disc apparatus |
| 04/14/2004 | EP1408366A2 Non-resonant two-photon absorbing material, non-resonant two photon emitting material, and method for inducing absorption or generating emission of non-resonant two photons by using the material |
| 04/14/2004 | EP1407452A1 An optically readable information disc |
| 04/14/2004 | EP1407451A1 Multi-stack optical data storage medium and use of such a medium |
| 04/14/2004 | EP1407450A1 Write control method |
| 04/14/2004 | EP1230639B1 Dvd-rom backwards compatible defective sector management in recordable dvd media |
| 04/14/2004 | EP1009631A4 Prestressed bonding system for double-sided compact discs |
| 04/14/2004 | CN2612029Y Double-wavelength optical head device |
| 04/14/2004 | CN1489763A Disc device and method for controlling threshold value of disc device |
| 04/14/2004 | CN1489716A Variable mirror and information apparatus comprising variable mirror |
| 04/14/2004 | CN1489607A Improved hydrogenated styrene/conjugated diene/styrene block copolymer and process for producing thereof |
| 04/14/2004 | CN1489520A Apparatus for producing low birefringence plastic film and sheet |
| 04/14/2004 | CN1489145A Address-data nodulation-demodulation device and method, modulation address data recording medium |
| 04/14/2004 | CN1489144A Three-dimensional composite storage medium |
| 04/14/2004 | CN1489143A Pneumatic focusing apparatus for high-precision mother disc etching system |
| 04/14/2004 | CN1489142A Two-sided high-density information storage medium |
| 04/14/2004 | CN1489141A Data regeneration controlling method for optical disc driver and optical-disc driver using said method |
| 04/14/2004 | CN1489140A Method for preventing data read-out error of optical disk drive |
| 04/14/2004 | CN1489139A Laser power correcting method for stimulating real record |
| 04/14/2004 | CN1489138A Apparatus and method for setting polarization of digital video disc and adjusting said polarization |
| 04/14/2004 | CN1146091C Semiconductor laser device and optical disk apparatus using same |
| 04/14/2004 | CN1145958C Tracking device with coil driven actuator and sensor coil to determine position of actuator |
| 04/14/2004 | CN1145957C Read/write head, read/write head positioning mechanism and read/write system |
| 04/14/2004 | CN1145954C Data rewrding method, recording media and replaying device |
| 04/14/2004 | CN1145953C Method for executing modularization read and write operation, and device therefor |
| 04/14/2004 | CN1145951C Recording and reproducing equipment, reproducing equipment recording and reproducing method and reproducing method |
| 04/14/2004 | CN1145943C Optical pickup having compatilility with digital versatile disk and compact disk-recordable |
| 04/14/2004 | CN1145942C Recording appts. and recording method |
| 04/14/2004 | CN1145941C Optical recording apparatus, optical recording/reproducing method |
| 04/14/2004 | CN1145940C Imformation recording/reproducing unit |
| 04/14/2004 | CN1145939C Optical record carrier and method for recording and reproducing signals therefrom |
| 04/14/2004 | CN1145938C Optical disk |
| 04/14/2004 | CN1145937C Optical information recording medium |
| 04/14/2004 | CN1145936C Information recording medium for showing magnetic track oscillation information and information recording reproduction device |
| 04/14/2004 | CN1145935C Multi-layer disc reproducing device and device for reproducing information recording medium |
| 04/14/2004 | CN1145934C Information recording method and apparatus |
| 04/14/2004 | CN1145933C Supporting mechanism and system for recording/reproducing head |
| 04/14/2004 | CN1145678C Substd. phthalocyanines and their preparation process |
| 04/13/2004 | US6721265 High-density optical information recording medium and a substrate and a stamper for the manufacture thereof |
| 04/13/2004 | US6721264 Optical recording medium and entertainment system that employs it |
| 04/13/2004 | US6721262 Aperture stop for a flying optical head |
| 04/13/2004 | US6721261 Information recording/reproducing apparatus with laser driver |
| 04/13/2004 | US6721260 Electromagnetically controlled drive system and method |
| 04/13/2004 | US6721259 Optical head and recording/reproducing device |
| 04/13/2004 | US6721258 Optical device for super-resolution |
| 04/13/2004 | US6721257 Multilayer recordable optical medium with fluorescent reading |
| 04/13/2004 | US6721256 Phase detection using sampled data |
| 04/13/2004 | US6721255 Device and method for recording data to optical disk using recording pulse with corrected edge position |
| 04/13/2004 | US6721254 Drive device |
| 04/13/2004 | US6721253 Disklike recording media, a method for detecting forged disks, an anti-forgery system for performing a true-false judgement based on information collected from the recording media, and a manufacturing apparatus for recording information in the disks |
| 04/13/2004 | US6721252 Optical recording medium having recording capacity information and method for indicating recording capacity |
| 04/13/2004 | US6721251 Recording medium, signal recording method and apparatus and signal reproducing apparatus |
| 04/13/2004 | US6721248 Optical disk unit |
| 04/13/2004 | US6721247 Disk apparatus and track following control method |
| 04/13/2004 | US6721246 Optical disk apparatus having compensation for objective lens dislocation |
| 04/13/2004 | US6721245 Optical recording medium processing apparatus and seek control method therefor |
| 04/13/2004 | US6721244 Focusing servo pull-in apparatus |
| 04/13/2004 | US6721243 Method for detecting servo error, apparatus therefor, disk which maintains quality of servo error signal, method of controlling servo of disk recording/reproducing apparatus, method of detecting tracking error, and method of detecting tilt error |
| 04/13/2004 | US6721242 Optical detector having three light receiving areas |
| 04/13/2004 | US6721241 Optical information system with motor controlled reflector means in a swivel arm |
| 04/13/2004 | US6721240 Master-optical-disk processing method and mastering apparatus |
| 04/13/2004 | US6721239 Optical disc device |
| 04/13/2004 | US6721112 Mirrors drive device |
| 04/13/2004 | US6721110 Optical pickup actuator driving method and apparatus therefor |
| 04/13/2004 | US6721076 System and method for reflective holographic storage with associated multiplexing techniques |
| 04/13/2004 | US6720406 High-purity polymer granules and method for the production thereof |
| 04/13/2004 | US6720404 Polycarbonates for optical use, and their applications |
| 04/13/2004 | US6720056 Multi-layer information recording medium |
| 04/13/2004 | US6719983 VMP-like sequences of pathogenic Borrelia |
| 04/11/2004 | WO2004094981A1 Light wavefront measuring instrument, light wavefront measuring method, and light source adjusting method |
| 04/10/2004 | WO2004034380A2 Bit-wise aluminum oxide optical data storage medium |
| 04/10/2004 | CA2497759A1 Bit-wise optical data storage utilizing aluminum oxide single crystal medium |
| 04/08/2004 | WO2004029952A1 Optical recording medium producing method, and optical recording medium producing device |
| 04/08/2004 | WO2004029951A1 Improved hybrid discs |
| 04/08/2004 | WO2004029950A1 Improved hybrid discs, and methods and apparatus for their manufacture |
| 04/08/2004 | WO2004029949A2 Optical scanning device |
| 04/08/2004 | WO2004029948A1 Optical scanning head and method for producing the same |
| 04/08/2004 | WO2004029947A1 Optical disk reproducing device, object lens, protection member and optical disk reproducing method |
| 04/08/2004 | WO2004029946A1 Actuator |
| 04/08/2004 | WO2004029945A1 Objective lens actuator with improved resonance frequency |
| 04/08/2004 | WO2004029944A1 Recording condition setting method and information recorder using same |
| 04/08/2004 | WO2004029943A1 Optical recording medium and optical recording medium recording device |
| 04/08/2004 | WO2004029942A1 Write-once type optical disc, and method and apparatus for managing defective areas on write-once type optical disc using tdma information |
| 04/08/2004 | WO2004029941A1 Write-once optical disc, and method and apparatus for recording management information on write-once optical disc |
| 04/08/2004 | WO2004029940A1 Method for managing defective area on write-once optical recording medium, and optical recording medium using the same |
| 04/08/2004 | WO2004029939A1 Write-once type optical disc, and method and apparatus for managing defective areas on write-once type optical disc |
| 04/08/2004 | WO2004029938A2 Optical scanning device |
| 04/08/2004 | WO2004029937A2 Optical scanning device |
| 04/08/2004 | WO2004029936A1 High density recording medium with super-resolution near-field structure manufactured using high-melting point metal oxide or silicon oxide mask layer |
| 04/08/2004 | WO2004029685A1 Optical element, method for manufacturing such an element and a method for aligning a light beam and such an element |
| 04/08/2004 | WO2004029672A2 Transient optical state change materials useful in copy-protected compact discs |
| 04/08/2004 | WO2004029668A2 Optical disc, method and apparatus for managing a defective area on an optical disc of write once type |
| 04/08/2004 | WO2004008444A3 Optical recording and reading system, optical data storage medium and use of such medium |
| 04/08/2004 | WO2004006228A3 Reflective or semi-reflective metal alloy coatings |
| 04/08/2004 | WO2003098617B1 Optical storage media comprising pentacyclic xanthylium dyes |
| 04/08/2004 | WO2003065358A3 Methods and apparatus for logical triggering of an optical bio-disc |
| 04/08/2004 | WO2003064998A3 Method for triggering through disc grooves and related optical analysis discs and system |
| 04/08/2004 | WO2002085537A3 Spin coating process |
| 04/08/2004 | US20040068608 Recording method and recording apparatus using same |
| 04/08/2004 | US20040067419 Holographic recording medium |