| 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) |
|---|
| 05/03/1994 | US5307703 Head adjusting device |
| 05/03/1994 | CA2011384C Track access control apparatus for optical disk apparatus |
| 05/03/1994 | CA1329262C Optical pick-up device |
| 04/28/1994 | WO1994009564A1 Digital equalization in optical recording systems |
| 04/28/1994 | WO1994009493A1 Recording medium and appliance for generating sounds and/or images |
| 04/28/1994 | WO1994009492A1 Information recording method and apparatus |
| 04/28/1994 | DE4335082A1 Information recording appts. for CD, laser disc etc. - directs electron beam onto disc which is rotated by electric motor, and has magnetic field screening device. |
| 04/28/1994 | DE4235677A1 Chamber for transport of components in a vacuum processing installation - with at least one radially movable transport unit mounted separately from rotatable component carriers. |
| 04/28/1994 | DE4235674A1 Chamber for transporting components under vacuum - with a second transport mechanism with elements movable axially and radially relative to the rotary first transport mechanism. |
| 04/27/1994 | EP0594516A2 High stability silver based alloy reflectors for use in a writable compact disk |
| 04/27/1994 | EP0594425A2 Pulse train condition/heat shut off condition determination method and apparatus for optical recording, and optical recording method and apparatus |
| 04/27/1994 | EP0594423A2 Magnetooptical information recording and reproducing apparatus |
| 04/27/1994 | EP0594406A2 Heat shut off condition determination method and apparatus for optical recording, and optical recording method and apparatus |
| 04/27/1994 | EP0594277A1 Optical recording medium |
| 04/27/1994 | EP0594255A1 A device for manufacturing a mould for a disc-shaped registration carrier |
| 04/27/1994 | EP0594252A1 A device for applying a lacquer coating to a disc-shaped registration carrier |
| 04/27/1994 | EP0594194A2 A recording and reproducing medium and a recording and reproducing apparatus |
| 04/27/1994 | EP0594193A2 An information recording and reproducing device and a method using the same |
| 04/27/1994 | EP0594139A1 Objective lens driving apparatus |
| 04/27/1994 | EP0594132A2 Recording apparatus for an optical recording medium |
| 04/27/1994 | EP0594046A2 Apparatus for optical record carrier having a disc shape |
| 04/27/1994 | EP0594043A2 Apparatus for optical record carrier having a disc shape |
| 04/27/1994 | EP0593877A1 Composition for optical material |
| 04/27/1994 | EP0593875A2 Information recording medium and methods of manufacturing and using the same |
| 04/27/1994 | EP0593835A1 Scanning near-field optical microscope |
| 04/26/1994 | US5307339 Translating apparatus for an optical pickup device |
| 04/26/1994 | US5307337 Optical disk drive having a low-emission high-bandwidth laser driver |
| 04/26/1994 | US5307336 Multi-disk optical storage system |
| 04/26/1994 | US5307335 Optical information reading apparatus with multi film elements to compensate for wavelength fluctuation |
| 04/26/1994 | US5307334 Optical head cleaning cartridge |
| 04/26/1994 | US5307333 Track servo pull-in method and apparatus for an optical disc |
| 04/26/1994 | US5307332 Optical disk arrangement with diffractive tracks and a photoelectric assembly providing positional control information |
| 04/26/1994 | US5306903 Objective lens position detecting system capable of adjusting amounts of radiation |
| 04/26/1994 | US5306599 Optical recording material |
| 04/26/1994 | US5306349 Method for removing coatings from compact discs |
| 04/21/1994 | DE4335799A1 Optical diskette recording method - recording and reproducing information using laser beam with wavelength up to 500 nanometres on magneto-optical recording medium |
| 04/21/1994 | DE4333574A1 Optical recording medium with reflectivity-controlling organic coating - on substrate surface opposite surface coated with recording films and/or reflective film, useful as write-read medium |
| 04/21/1994 | DE3348393C2 Disc information playback system reading optical digital data |
| 04/20/1994 | EP0593370A1 Apparatus and method for laser noise cancellation in an optical storage system using a front facet monitor signal |
| 04/20/1994 | EP0593249A2 Magnetooptic information recording method |
| 04/20/1994 | EP0593233A2 Information reproducing apparatus |
| 04/20/1994 | EP0593232A2 Method and apparatus for optically recording and/or reproducing information |
| 04/20/1994 | EP0593081A2 Integrated optic read/write head for optical data storage incorporating second harmonic generator, electrooptic tracking error actuator, and electro-optic modulator |
| 04/20/1994 | EP0593044A2 Recording system for a singalong disc player |
| 04/20/1994 | EP0593037A2 Data recording method, data recording apparatus and data recording medium |
| 04/20/1994 | EP0593032A2 Management of recordable area for TOC (table of contents) and recording or recording/reproducing apparatus for performing recording action based on the same TOC information |
| 04/20/1994 | EP0592766A2 Optical pickup apparatus and method for adjusting optical axis thereof |
| 04/20/1994 | EP0592745A1 Method and apparatus for two-sided coating of plate-like articles |
| 04/20/1994 | CN1085680A Record replaying apparatus |
| 04/19/1994 | US5305304 Optical information carrier having a spacer securely bonded between disks by adhesive |
| 04/19/1994 | US5305303 Optical information recording medium |
| 04/19/1994 | US5305301 Optically readable record carriers |
| 04/19/1994 | US5305299 Support mechanism for optical block in optical disc drive apparatus |
| 04/19/1994 | US5305298 Optical data recording/reproducing apparatus with optical irradiation inhibition circuit |
| 04/19/1994 | US5305297 Method for determining optimum irradiation conditions in optical data recording |
| 04/19/1994 | US5305296 Method and apparatus for recording information on a recordable optical disc utilizing unrecorded count area to determine available test area |
| 04/19/1994 | US5305294 Magneto-optical recording/reproducing system having an electromagnetic actuator |
| 04/19/1994 | US5305151 Objective lens driver |
| 04/19/1994 | US5304795 High resolution observation apparatus with photon scanning microscope |
| 04/19/1994 | US5304455 Optical recording layer comprised of nitrocellulose binder and squarylium dye |
| 04/19/1994 | US5304440 Optical disk |
| 04/19/1994 | CA1328692C Optical card and a recording/reproduction apparatus for the same |
| 04/19/1994 | CA1328691C Read-write optical disk |
| 04/16/1994 | CA2108095A1 Optical pickup device for optical recording/reproducing apparatus |
| 04/16/1994 | CA2106022A1 Integrated optic read/write head for optical data storage incorporating second harmonic generator, electro-optic tracking error actuator, and electro-optic modulator |
| 04/14/1994 | WO1994008314A1 Dot code and information recording/reproducing system for recording/reproducing dot code |
| 04/14/1994 | DE4233655A1 Long time storage of data on tape - entering data into code written onto tape by array of LED devices as tape moves continuously |
| 04/13/1994 | EP0592174A2 Process for producing optical recording medium, sputtering method and sputtering target |
| 04/13/1994 | EP0591892A1 Substrate of at least one cyclo-olefin copolymer for recording media and process for preparation thereof |
| 04/13/1994 | EP0591479A1 Method and device for optically reading a sound recording on a grooved recording medium |
| 04/13/1994 | CN1024182C Etched glass and process of mfg. same |
| 04/12/1994 | US5303225 Multi-layered optical disk with track and layer identification |
| 04/12/1994 | US5303224 Optical pickup, optical information recording carrier and recording and reproducing apparatus thereof |
| 04/12/1994 | US5303222 Optical record reproducing apparatus including automatic light amount control |
| 04/12/1994 | US5303221 Optical pickup for an optical disc reproducing system |
| 04/12/1994 | US5303220 Compressed air optical drive cleaning cartridge |
| 04/12/1994 | US5303219 Reclamation of dust contaminated sectors in optical disk apparatus |
| 04/12/1994 | US5303217 Optical recording device wherein recording beam intensity is set in accordance with an optimum value of the DC component of a recorded signal |
| 04/12/1994 | US5303216 Optical recording and reproducing apparatus for tracking wobbling guide grooves |
| 04/12/1994 | US5303215 Self-timing optic lathe |
| 04/12/1994 | US5303089 Objective lens drive unit |
| 04/12/1994 | US5302834 Optical pickup and tilt control device including a plurality of photosensitive units for generating signals indicating whether tilt correction is necessary |
| 04/12/1994 | US5302656 Heat resistance, crack resistance |
| 04/12/1994 | US5302493 Vacuum depositing soft metal alloy layer in the presence of gaseous oxidant |
| 04/12/1994 | CA1328364C Device for reading and/or recording an audio signal on an auxiliary track of a motion picture film and lighting head for said device |
| 04/06/1994 | EP0590881A2 Methods and apparatus for reproducing and decoding data recorded on a disk |
| 04/06/1994 | EP0590851A1 Optical pickup apparatus |
| 04/06/1994 | EP0590243A1 Apparatus for loading and unloading disc-shaped substates |
| 04/06/1994 | EP0589868A1 Light-sensitive recording media |
| 04/06/1994 | CN1085000A Optical disc and information treatment apparatus using same |
| 04/05/1994 | US5301183 Information recording discs |
| 04/05/1994 | US5301182 Optical pickup head |
| 04/05/1994 | US5301175 Optical head apparatus for maintaining a constant angle between an optical axis of an object lens and the surface of a storage medium |
| 04/05/1994 | US5301174 Optical disk recording and reproducing apparatus |
| 04/05/1994 | US5301173 Optical recording apparatus with two tracking error signals |
| 04/05/1994 | US5301145 Method and apparatus for recording and reading information, and an information recording element |
| 04/05/1994 | US5301045 Helical liquid crystalline element which produces linear polarized light |
| 04/05/1994 | US5301041 Optical information recording and reproducing apparatus |
| 04/05/1994 | US5300663 Photochromic naphthacenequinones, process for their preparation and the use thereof |
| 04/05/1994 | US5300558 Curable resin coating composition |