| 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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| 08/03/1999 | CA2029093C Injection compression molding method for compact discs or the like |
| 08/03/1999 | CA2019212C Molding material |
| 07/29/1999 | WO1999038250A1 Stepping motor control device and optical head drive device |
| 07/29/1999 | WO1999038169A1 Information reproduction system, information recording / reproduction system, and recording medium |
| 07/29/1999 | WO1999038168A1 Recording media, and recording / reproducing apparatus |
| 07/29/1999 | WO1999038161A1 Reproducing method for magneto-optic recording medium, and magneto-optic disk device |
| 07/29/1999 | WO1999038160A1 Data medium optical recording/reading device |
| 07/29/1999 | WO1999038159A1 Method for preparing optical recording medium and preparation apparatus therefor |
| 07/29/1999 | WO1999018612A3 Wafer level integration of multiple optical elements |
| 07/29/1999 | WO1999018576A3 An apparatus for reading and/or writing information from/on a recording medium |
| 07/29/1999 | DE19902142A1 Optical information recording medium e.g. a single-writable CD or DVD |
| 07/28/1999 | EP0932159A2 Information recording apparatus |
| 07/28/1999 | EP0932153A2 Information recording and reproducing apparatus |
| 07/28/1999 | EP0932149A2 Method of and apparatus for laminating disc-shaped substrates |
| 07/28/1999 | EP0932148A1 Recordable elements comprising a super-sensitive markable phase-change layer |
| 07/28/1999 | EP0932147A2 Indicator marks on an optical disk indicating that the disk has been previously accessed |
| 07/28/1999 | EP0932146A2 Optical pickup and method of adjusting same |
| 07/28/1999 | EP0932145A1 Optical pickup device and wavelength selective diffraction grating |
| 07/28/1999 | EP0932144A2 Optical disk recording method and device |
| 07/28/1999 | EP0931804A2 Optical disk substrate, optical disk and aromatic polycarbonate resin |
| 07/28/1999 | EP0931312A1 Method of regulating the focusing and guiding of a light beam |
| 07/28/1999 | EP0931175A1 Conveyor and delivery device |
| 07/28/1999 | CN1224525A Optical recording medium and its substrate |
| 07/28/1999 | CN1224524A Optical pickup |
| 07/28/1999 | CN1224216A Method and apparatus for discriminating rewritable discs |
| 07/28/1999 | CN1224215A Storage unit, storage medium and identification information recording method |
| 07/28/1999 | CN1224214A Data storage device and control method therefor |
| 07/28/1999 | CN1044419C 兼容光学扫描装置 Compatible optical scanning device |
| 07/28/1999 | CN1044418C Laser head for detecting focus error and tracking error using hologram |
| 07/28/1999 | CN1044417C Unit for driving of objective |
| 07/27/1999 | US5930825 Method and apparatus for preventing unauthorized use by comparing medium identifications |
| 07/27/1999 | US5930768 Method and system for remote user controlled manufacturing |
| 07/27/1999 | US5930450 Recording medium, apparatus and method of recording data on the same, and apparatus and method of reproducing data from the recording medium |
| 07/27/1999 | US5930434 Optical disc data storage system using optical waveguide |
| 07/27/1999 | US5930228 Method and apparatus for recording and reproducing information using pseudo identification signal |
| 07/27/1999 | US5930227 Optical disk having an evaluation pattern for evaluating the optical disk |
| 07/27/1999 | US5930226 Storage medium storing plural data of plural types in reproduction order with identification information |
| 07/27/1999 | US5930225 Two-layer optical disk |
| 07/27/1999 | US5930224 Information recording/reproduction apparatus |
| 07/27/1999 | US5930222 Pre-pit detecting device and information recording apparatus employing the same |
| 07/27/1999 | US5930221 Optical storage device made thinner by substituting electrical means for capabilities of sensors |
| 07/27/1999 | US5930220 Tracking method for optical disk apparatus using diffraction light |
| 07/27/1999 | US5930219 Optical pickup device for discs of varying characteristics |
| 07/27/1999 | US5930217 Optical information recording/reproducing system, optical information storage medium, and manufacturing method thereof |
| 07/27/1999 | US5930215 CD-Rom with machine-readable I.D. code |
| 07/27/1999 | US5930214 Recording/reproducing optical head apparatus compatible with different optical media |
| 07/27/1999 | US5930213 Spot position-discriminating system and method for discriminating spot position |
| 07/27/1999 | US5930212 Positioning control system including a servo-error signal generating circuit |
| 07/27/1999 | US5930211 Tracking servo apparatus for optical disc |
| 07/27/1999 | US5930210 System and apparatus for recovering information from a record carrier which exhibits variations of two different physical parameters thereof |
| 07/27/1999 | US5930209 Optical disc with sector address irregularities to prevent copying, and apparatus for recording and detecting such copy protection |
| 07/27/1999 | US5930088 Optical disc having a protective layer which is thicker at its outer periphery |
| 07/22/1999 | WO1999037013A1 Optical microswitch having electrostatic microactuator and method for use thereof |
| 07/22/1999 | WO1999036908A1 Optical disc mastering system |
| 07/22/1999 | WO1999036458A1 Process for producing polycarbonate and optical-disk substrate |
| 07/22/1999 | WO1999036456A1 Polycarbonate resin, optical-information recording medium substrate made of the same, and optical-information recording medium |
| 07/22/1999 | WO1999036381A1 Fluorinated oxyvinyl compounds and methods of preparing and using same |
| 07/22/1999 | WO1999036187A1 Process and device for coating disks |
| 07/22/1999 | CA2318060A1 Optical microswitch having electrostatic microactuator and method for use thereof |
| 07/21/1999 | EP0930783A1 Method and apparatus for encoding bitstreams for seamless reproduction |
| 07/21/1999 | EP0930782A1 Method and apparatus for encoding bitstreams for seamless reproduction |
| 07/21/1999 | EP0930618A2 Optical disk and optical disk reproduction apparatus |
| 07/21/1999 | EP0930617A2 Information recording apparatus for writable recording media |
| 07/21/1999 | EP0930614A1 "Closed information system with physical copy protection" |
| 07/21/1999 | EP0930613A1 Information storage apparatus |
| 07/21/1999 | EP0930612A2 Method of and apparatus for optical information reproduction |
| 07/21/1999 | EP0930611A1 Recording medium and its reproducer |
| 07/21/1999 | EP0930560A2 Storage unit, storage medium and identification information recording method |
| 07/21/1999 | EP0930550A2 Apparatus and method for optical recording, storage, and reproduction of information |
| 07/21/1999 | EP0929894A1 Optical head using micro-machined elements |
| 07/21/1999 | EP0929893A1 Optical disc, optical disc device, and method for recording an optical disc |
| 07/21/1999 | EP0929892A1 Optical disc with a rewritable area and a read-only area |
| 07/21/1999 | EP0929609A1 Substituted phthalocyanines and their use |
| 07/21/1999 | CN1223740A Optical pickup device and wavelength selective diffraction grating |
| 07/21/1999 | CN1223434A Method for writing and reading data on multi-layer recordable interferometric optical disc and method for fabricating such |
| 07/21/1999 | CN1223433A Method and apparatus for controlling data buffer |
| 07/21/1999 | CN1223432A Lens driving device, optical head and optical disc system |
| 07/20/1999 | US5926608 Multi-picture processing digital video disc player |
| 07/20/1999 | US5926453 Optical disk having first and second recording areas with wobble frequencies that do not interfere with EFM signal |
| 07/20/1999 | US5926451 For reading from and/or writing to an optical disk |
| 07/20/1999 | US5926450 Device for optically scanning record carriers of different thicknesses |
| 07/20/1999 | US5926449 Pre-calibration system and method for CD-ROM drive speed optimization |
| 07/20/1999 | US5926448 Recording medium, recording apparatus, reproducing method, and reproducing apparatus |
| 07/20/1999 | US5926447 Method for enhancing the data access time in an optical disc apparatus |
| 07/20/1999 | US5926446 Optical information recording medium and a method of tracking servo for optical information recording medium |
| 07/20/1999 | US5926445 Waveform controlling device for a tracking error signal |
| 07/20/1999 | US5926327 Objective lens driving device for an optical pick-up unit |
| 07/20/1999 | US5926307 Optical deflection device |
| 07/20/1999 | US5925777 Schiff base quinone complexes and optical recording materials comprising the same |
| 07/20/1999 | US5925433 Partial mirror recording layer of a high index of refraction material which is not within a pentagon of specific vertices, superposed by a buffer layer, thick reflective layer, forming a fabry-perot etalon; rewriteable compact discs |
| 07/20/1999 | CA2031565C Optical disc apparatus |
| 07/20/1999 | CA2023963C Optical recording medium and method for recording and reproducing information therein |
| 07/20/1999 | CA2002601C Disk-shaped recording medium for recording and/or reproducing data thereon |
| 07/15/1999 | WO1999035657A1 Magnetic engraving method, in particular for magnetic or magneto-optical recording |
| 07/15/1999 | WO1999035644A1 Method and apparatus for magnetooptic reproduction |
| 07/15/1999 | WO1999035642A1 Rewritable optical data storage disk having enhanced flatness |
| 07/15/1999 | WO1999035641A1 Method and apparatus for determining the provenance of a data carrying disc |
| 07/15/1999 | WO1999024974A3 Optical scanning device |
| 07/15/1999 | DE19900717A1 Tracking control of optical disc systems |
| 07/15/1999 | DE19900653A1 Optical lighting system for optical master disc systems |