| 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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| 06/12/1997 | WO1997021216A1 Optical recording medium based on fabry-perot principle |
| 06/12/1997 | WO1997021215A1 Device for the writing and/or reading of optical recording media of various structures |
| 06/12/1997 | WO1997021214A1 Device for optically reading digital data from a medium, particularly a laser disk reader device |
| 06/12/1997 | WO1997018557A3 Methods and apparatus for reducing the access time of an optical drive |
| 06/12/1997 | DE19644954A1 Optical information recording disc with differing front and rear sides |
| 06/12/1997 | DE19547252A1 Diffractive optical device generating higher harmonics with good separation from ground wave |
| 06/12/1997 | DE19545573A1 Even deposition of lacquer on substrate |
| 06/12/1997 | CA2239067A1 Optical recording medium based on fabry-perot principle |
| 06/11/1997 | EP0778565A1 Data recording/regenerating method, data recording/regenerating apparatus and data recording medium |
| 06/11/1997 | EP0778564A1 Apparatus for exposing a circular disk-shaped substrate |
| 06/11/1997 | CN1151581A Optical disk apparatus |
| 06/11/1997 | CN1151579A Disk driving device and method for optical recording and reproduction |
| 06/11/1997 | CN1151578A Apparatus for discriminating optical recording media of different thicknesses from each other and reproducing information therefrom |
| 06/10/1997 | US5638355 Optical information reproducing by detecting phase shift of elevated symbols |
| 06/10/1997 | US5638354 Optical information recording medium |
| 06/10/1997 | US5638353 Optical head device |
| 06/10/1997 | US5638352 Optical pickup device |
| 06/10/1997 | US5638350 Multibeam recording/reproducing apparatus in which direction of movement of plurality of light beams is determined based on order in which each of light beams crosses track |
| 06/10/1997 | US5638221 Optical system of optical information recording/reproducing apparatus |
| 06/10/1997 | US5638111 Optical probe element, and a recording and reproduction device using the optical probe element |
| 06/10/1997 | US5638103 Method for recording and reproducing information, apparatus therefor and recording medium |
| 06/10/1997 | US5637867 Device for the optical scanning of a recording medium, especially a phosphor storage plate |
| 06/10/1997 | US5637411 Magneto-optical recording medium and process for producing the same |
| 06/10/1997 | US5637372 Gold, silver, antimony, bismuth, tellurium, selenium, indium containing alloy; capable of high speed overwriting; storage stability |
| 06/10/1997 | US5637371 Heating recording layer sandwhiched between dielectrics, measuring crystallization temperature, light transmission and light reflection of thin film, determining activation energy from crystallization temperature versus heating rate |
| 06/10/1997 | US5637148 Apparatus for coating board-shaped piece material on both sides |
| 06/05/1997 | WO1997020317A1 Two-step gated holographic recording in photorefractive materials using cw lasers |
| 06/05/1997 | WO1997020313A1 A machine for manufacturing compact discs, for instance |
| 06/05/1997 | WO1997020312A1 A method for automatically checking circular information carriers |
| 06/05/1997 | WO1997020311A1 Optical apparatus for scanning a tape-shaped record carrier |
| 06/05/1997 | DE19649600A1 Deformable mirror reflecting incident light beams |
| 06/05/1997 | DE19544966A1 Gerät zum Beschreiben und/oder Lesen optischer Aufzeichnungsträger unterschiedlichen Aufbaus Device for writing and / or reading optical record carriers of different construction |
| 06/05/1997 | DE19544677A1 Cleaning of disc substrate |
| 06/04/1997 | EP0777230A1 Compact discs comprising additional text information |
| 06/04/1997 | EP0777227A1 Recording medium, recording device, reproducing method, and reproducing device |
| 06/04/1997 | EP0777225A2 Device for laser beam exposure of a disc-shaped substrate and method of centrally clamping a disc-shaped substrate |
| 06/04/1997 | EP0777224A1 Optical recording medium and method |
| 06/04/1997 | EP0777223A2 Method of manufacturing a storage disc |
| 06/04/1997 | EP0777222A1 Optical pickup having two objective lenses |
| 06/04/1997 | EP0777221A1 Reproducing and recording optical pickup compatible for discs having different thicknesses |
| 06/04/1997 | EP0777220A2 Objects-lens driving device for optical pickup |
| 06/04/1997 | EP0777219A1 Optical head apparatus |
| 06/04/1997 | EP0777218A1 Apparatus and method for focus control |
| 06/04/1997 | EP0777217A2 Optical pickup device, optical disk recording/reproducing apparatus, and method of generating focus error signal |
| 06/04/1997 | EP0777216A2 A high density optical disk and a method of high density recording |
| 06/04/1997 | EP0776354A1 Liquid-crystalline polyethers |
| 06/04/1997 | EP0408763B1 Optical disk and method of manufacturing the same |
| 06/04/1997 | CN1151075A Apparatus and method for discriminating optical disk |
| 06/04/1997 | CN1151071A Optical disc with pluratity of recording layers |
| 06/04/1997 | CN1151070A Object lens drive apparatus |
| 06/04/1997 | CN1151069A Multi-layered disk focusing method and apparatus |
| 06/04/1997 | CN1151068A Method and apparatus for playing back multilayer disk |
| 06/04/1997 | CN1151067A Recording method, recording apparatus, reproducing method and reproducing apparatus for optical disk |
| 06/03/1997 | US5636201 Optical disk memory for recording reproducible information |
| 06/03/1997 | US5636200 Recording medium and reproducing apparatus thereof |
| 06/03/1997 | US5636198 Multi-compact disk player |
| 06/03/1997 | US5636197 Feedback servo for beam power control, tracking control and focus control in an optical disk recording system |
| 06/03/1997 | US5636196 For reproducing an information data |
| 06/03/1997 | US5636195 Optical recording method and reproducing method and recording apparatus and reproducing apparatus utilizing stimulated photon echo |
| 06/03/1997 | US5636194 Method of recording and reproducing data on a disk |
| 06/03/1997 | US5636191 Positioning control system utilizing optical beam having servo-error signal generating circuit |
| 06/03/1997 | US5636190 Optical pickup system for use with an optical disk having multiple reflection hologram film |
| 06/03/1997 | US5636189 Astigmatic method for detecting a focussing error in an optical pickup system |
| 06/03/1997 | US5636068 Electromagnetic objective lens driving apparatus for optical data recording and reproducing apparatus |
| 06/03/1997 | US5635977 Optical probe element and a recording and reproduction device using the optical probe element |
| 06/03/1997 | US5635310 ZnS dielectric thin film and magnetic recording medium |
| 06/03/1997 | US5635268 Silicone elastic layer sandwiched between opposing phthalocyanine dye-containing recording layers coated onto clear substrates; high density and low power recording |
| 06/03/1997 | US5635267 Optical information recording medium of phase change type having variably grooved tracks depending on their radial locations |
| 06/03/1997 | US5635114 Master duplication; data processing |
| 06/03/1997 | US5634849 Content-on-demand interactive video method and apparatus |
| 05/29/1997 | WO1997018942A1 Method and apparatus for manufacturing compact discs having a non-round outer profile |
| 05/29/1997 | WO1997013243A3 Sound system for compact distribution print |
| 05/28/1997 | EP0776007A2 Information storing apparatus |
| 05/28/1997 | EP0776005A2 Device for drying a lacquer layer |
| 05/28/1997 | EP0776004A2 Optical system for recording and reproducing an optical recording medium |
| 05/28/1997 | EP0776003A2 Apparatus for and method of recording information on or reproducing information from a recording medium |
| 05/28/1997 | EP0776002A2 Integrated optical pickup system capable of reading optical disks of different thicknesses |
| 05/28/1997 | EP0776001A2 Integrated optical pickup system |
| 05/28/1997 | EP0776000A2 Information reading system |
| 05/28/1997 | EP0775999A1 Device and method for reproducing information |
| 05/28/1997 | EP0775998A2 Optical pickup controlling system |
| 05/28/1997 | EP0775357A1 Dual layer optical medium having partially reflecting thin film layer |
| 05/28/1997 | EP0775053A1 Apparatus and method for the placement of self-adhesive labels on compact disks |
| 05/28/1997 | DE19648768A1 Information and data carrier optical disc drive |
| 05/28/1997 | CN1150857A Information-reading process |
| 05/28/1997 | CN1150855A Optical disk having pattern for evaluating optical disk |
| 05/28/1997 | CN1150693A Reproducing device having index search function and access method therefor |
| 05/28/1997 | CN1150686A Locator of recording-playback head for replaying and/or recording information on disc |
| 05/28/1997 | CN1150685A Focus servo apparatus for multi-layer disc |
| 05/28/1997 | CN1150684A Apparatus for optical scanning of information from recording medium |
| 05/28/1997 | CN1150683A Objective lens driving device for optical pickup |
| 05/28/1997 | CN1150682A Apparatus for and method of recording and/or reproducing disk |
| 05/28/1997 | CN1150681A Recording medium and recording/reproduction apparatus therefor |
| 05/27/1997 | US5634031 Optical disk system having table-of-contents information data |
| 05/27/1997 | US5633855 Optical information reproduction apparatus |
| 05/27/1997 | US5633854 Methods and apparatus for reproducing data recorded on an optical recording medium |
| 05/27/1997 | US5633853 Optical pickup with two optical systems each generates a laser beam |
| 05/27/1997 | US5633852 Optical data recording and reproducing apparatus including chromatic aberration correction |
| 05/27/1997 | US5633851 A scanning device producing a first and a second scanning spot which move in different directions and an apparatus containing that device which uses the first spot for reading and/or recording and the second spot to monitor such reading and/or recording |
| 05/27/1997 | US5633850 Optical disc player having an apparatus for transferring both a disc tray and an optical pickup |