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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10/03/1995 | CA2028942C Track jump control circuit |
10/03/1995 | CA2017284C Optical recording medium |
10/03/1995 | CA1337194C Tetraazaporphin, process for producing the same, as well as optical recording media using the same and production processes thereof |
09/28/1995 | WO1995026026A1 Reading/writing information on a storage medium |
09/28/1995 | DE4409851A1 Inscribing and reading information in information storage layer |
09/27/1995 | EP0674366A2 A microfine light source |
09/27/1995 | EP0674316A2 Optical disk and method and apparatus for recording and then playing information back from that disk |
09/27/1995 | EP0674314A1 A data recording medium, an optical disk and an optical disk apparatus |
09/27/1995 | EP0674311A2 Circuit for discriminating pre-mastered pits and pre-mastered grooves on optical disk |
09/27/1995 | EP0674309A1 Optical disk |
09/27/1995 | EP0674308A2 Optical recording/reproducing apparatus for a card |
09/27/1995 | CN1109107A A method of coating a workpiece of a plastic material by a metal layer |
09/27/1995 | CN1108994A Injection mold |
09/26/1995 | US5453975 Optical disc with surface coating and manufacturing method therefor |
09/26/1995 | US5453974 Optical disk substrate, method for initialization thereof and driving apparatus for initialization of said optical disk |
09/26/1995 | US5453972 Optical disk apparatus |
09/26/1995 | US5453971 Recorded area detection to prevent information overwriting |
09/26/1995 | US5453969 Optical memory with pit depth encoding |
09/26/1995 | US5453968 Methods of and information recording devices for recording and/or inhibiting recording of an information signal having copy bits with logic values which alternate in accordance with a pattern |
09/26/1995 | US5453964 Data processing circuit for disc player |
09/26/1995 | US5453963 Magneto-optical head system for detection of error and information signals by diffraction lights |
09/26/1995 | US5453962 Focus error detecting device |
09/26/1995 | US5453961 Pick-up device for optical disk readout using waveguide gratings |
09/26/1995 | US5453884 Magneto-optical recording medium |
09/26/1995 | US5453881 Objective lens holding device |
09/26/1995 | US5453802 Method and apparatus for photographically recording digital audio and a medium having photographically recorded digital sountracks |
09/26/1995 | US5453607 Photodetector for recording/reproducing apparatus for both read only and magneto-optical disk shaped recording medium |
09/26/1995 | US5453606 Apparatus for adjusting the optical axis of an optical system |
09/26/1995 | US5453346 Optical information recording medium having protection layers with different properties on both sides of an optical active layer |
09/26/1995 | CA2051193C Information recording apparatus |
09/26/1995 | CA2046705C Controls for optical disk relating to accessing and utilization of such disk |
09/26/1995 | CA2046704C Optical disk recorder for diverse media types and having a predetermined initialization or start-up procedure |
09/26/1995 | CA2039351C Controlling position of a rotatable transducer in devices employing such transducers |
09/26/1995 | CA2037582C Cycloolefin random copolymer and process for preparing same |
09/21/1995 | DE4408517A1 Assembly for processing compact discs at workstation |
09/20/1995 | EP0673034A2 Optical disk and method and apparatus for recording and then playing information back from that disk |
09/20/1995 | EP0673030A1 Optical disk recording device |
09/20/1995 | EP0673029A1 Recording medium, signal recording apparatus thereof, and signal reproducing apparatus thereof |
09/20/1995 | EP0673028A2 Recording medium, signal recording apparatus thereof, and signal reproducing apparatus thereof |
09/20/1995 | EP0673027A2 Recording medium and method for recording a signal thereon |
09/20/1995 | EP0672595A1 Device for transporting substrates |
09/20/1995 | EP0591519B1 Stabilizers for cyanine ir dyes |
09/20/1995 | EP0417277B1 Disk recording/reproducing apparatus and disk recording/reproducing method |
09/20/1995 | CN1029805C Multiple data surface data storage system and method |
09/19/1995 | US5452312 Short-wavelength laser light source and optical information processing aparatus |
09/19/1995 | US5452285 Uniformly distributed servo data for optical information storage medium |
09/19/1995 | US5452284 Optical recording/reproducing medium and apparatus using land and groove encoded information signals and identification signals including position information |
09/19/1995 | US5452283 Lens/mirror tower for an optical storage device |
09/19/1995 | US5452282 Optical data storage disc |
09/19/1995 | US5452279 Information recording/reproducing apparatus for recording and reproducing information in accordance with mark interval recording scheme or mark length recording scheme |
09/19/1995 | US5452278 Disc recognizing method for an optical disc playback apparatus |
09/19/1995 | US5452276 Tracking regulation circuit including apparatus for disabling coarse drive signals |
09/19/1995 | US5452275 Two-stage actuator control device |
09/19/1995 | US5452273 Optical recording method and apparatus therefor |
09/19/1995 | US5452272 Magneto-optical recording and reproducing device having light interrupting forming main robe and side robe light beam portions |
09/19/1995 | US5451775 Apparatus for detecting galvonmeter mirror movement of optical disc tracking servo system |
09/19/1995 | US5451155 Installation for manufacturing registration carriers |
09/14/1995 | WO1995024618A2 Device for raising the frequency of electromagnetic radiation |
09/13/1995 | EP0671742A1 Signalization of types of defects of an optical information carrier |
09/13/1995 | EP0671734A1 Optical device |
09/13/1995 | EP0671733A1 Spin-coating compensation for an optical storage medium with a substrate groove profile gradient |
09/13/1995 | EP0671732A1 Optical pickup |
09/13/1995 | EP0671731A1 Information recording apparatus and information recording method |
09/13/1995 | EP0526647B1 Optical recording medium |
09/13/1995 | CN1108416A Compatible optical read device |
09/12/1995 | US5450597 Method and apparatus for synchronizing midi data stored in sub-channel of CD-ROM disc main channel audio data |
09/12/1995 | US5450390 Method and apparatus for writing and reading information and storage medium used for the same |
09/12/1995 | US5450389 Digital signal reproducing apparatus for reducing the adverse influence of asymmetry |
09/12/1995 | US5450388 Method for correcting tracking errors in a disc record reproduction apparatus |
09/12/1995 | US5450387 Optical pickup apparatus for phase changing optical disk |
09/12/1995 | US5450386 Optical disk device including a support member for movably supporting an objective lens in focusing and radial directions with respect to an optical disk |
09/12/1995 | US5450384 Method of accessing tracks on an optical disk surface |
09/12/1995 | US5450383 Monitoring and adjusting laser write power in an optical disk recorder using pulse-width modulated power level checking signals |
09/12/1995 | US5450381 Magneto-optical recording utilizing signal phase adjustment |
09/12/1995 | US5450380 Optical disk having an SiO2 coating |
09/12/1995 | US5450378 Holographic elements for an optical recording system |
09/12/1995 | US5450376 Optical information recording/reproduction apparatus with super-resolution optical filter |
09/12/1995 | US5450237 Hyperresolution optical system |
09/12/1995 | US5450228 Read-write head for an optical tape recorder |
09/12/1995 | US5450146 High fidelity reproduction device for cinema sound |
09/12/1995 | US5449926 High density LED arrays with semiconductor interconnects |
09/12/1995 | US5449590 Multilayer |
09/12/1995 | US5449589 Method of making an optical information recording medium and method of recording/reproducing optical information |
09/12/1995 | US5449587 Compact disk-write once type optical recording media |
09/12/1995 | CA1336940C Near infrared absorbing composition and material and product containing same |
09/08/1995 | WO1995024039A1 Cleaning device |
09/06/1995 | EP0670555A1 Dot code and information recording/reproducing system for recording/reproducing dot code |
09/05/1995 | US5448553 Plastic hub containing a magnetic material and method of its manufacture |
09/05/1995 | US5448552 Super resolution information reproduction by tracking address information in normal resolution |
09/05/1995 | US5448551 Optical information recording media and optical information read/write device |
09/05/1995 | US5448550 Selecting sectors in a storage medium |
09/05/1995 | US5448548 Optical information reading method for reducing laser noise using a semiconductor laser and a driving device for the semiconductor laser |
09/05/1995 | US5448547 Information recording discs |
09/05/1995 | US5448546 Optical storage media light beam positioning system |
09/05/1995 | US5448544 Data recording/playback apparatus and signal processing method |
09/05/1995 | US5448543 Apparatus for reproducing data from a regenerative signal using a PLH circuit having loop gain control |
09/05/1995 | US5448542 Optical information recording and reproducing apparatus including a computing unit for calculating tracking and focusing error correction values |
09/05/1995 | US5448541 Method of use for an optical recording disk with a dye-containing recording layer and a tracking guide groove |
09/05/1995 | US5448539 Optical recording and reproducing apparatus |
09/05/1995 | US5448537 Magnet-optical disc drive device with sure disc placement |