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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04/19/1995 | EP0649133A1 Metallized azo dianion with two cationic dye counter ions for optical information recording medium |
04/19/1995 | EP0649132A1 Disc eccentricity measuring apparatus and method thereof and apparatus for recording and/or reproducing disc-shaped recording medium |
04/19/1995 | EP0649131A2 Servo control system for disk player |
04/19/1995 | EP0649130A1 Objective lens posture adjusting mechanism for optical pickup |
04/19/1995 | EP0638196A4 Improved optical disk structures for electron trapping optical memory media. |
04/19/1995 | CN1028239C Active energy ray-curable composition and optical recording emdium having cured of composition |
04/18/1995 | US5408531 Information recording/reproducing apparatus for converting and processing data exceeding error correction ability at recording |
04/18/1995 | US5408456 Data reproducing method and apparatus for determining the interval between pits on a recording medium from a modulated read-out signal |
04/18/1995 | US5408454 Track jump controlling apparatus |
04/18/1995 | US5408453 Method of and apparatus for optically writing, reading and erasing a multi-plane record carrier, and record carrier suitable for said method and apparatus |
04/18/1995 | US5408452 Optical information recording/reproducing system including novel tracking system |
04/18/1995 | US5408451 Driving device for objective lens |
04/18/1995 | US5408450 Optical pickup apparatus |
04/18/1995 | US5408448 Device and method for CD shuffle play |
04/18/1995 | US5408331 Optical disk reproducing apparatus having selectable processing speeds |
04/18/1995 | US5407720 Optical recording medium and process for producing the same |
04/18/1995 | US5407719 Writable recording medium; high reflectance |
04/18/1995 | US5407314 Apparatus for synchronizing loading and unloading of substrates with turntable movement in a coating chamber |
04/13/1995 | WO1995010111A1 Optical disk recording device |
04/12/1995 | EP0648049A1 Information recording and reproducing method and apparatus |
04/12/1995 | EP0647938A2 Track access control system in rotating disc devices with eccentricity correction |
04/12/1995 | EP0647345A1 High data rate optical tape recorder |
04/12/1995 | EP0530230B1 Single wafer processor apparatus |
04/12/1995 | CN1101448A Optical head device and optical information apparatus |
04/12/1995 | CN1028189C Apparatus for optically scanning an information plane |
04/11/1995 | US5406546 Magneto-optical disk |
04/11/1995 | US5406545 Servo pattern in an optical data storage medium for obtaining a tracking error signal |
04/11/1995 | US5406544 Low cost substrate for bump-forming recording media |
04/11/1995 | US5406543 Optical head with semiconductor laser |
04/11/1995 | US5406542 System for reducing crosstalk in an optical scanning device |
04/11/1995 | US5406541 Apparatus and method for a dual half-aperture focus sensor system |
04/11/1995 | US5406540 Optical disk recording performance |
04/11/1995 | US5406538 Optical disk system with table of contents |
04/11/1995 | US5406537 System for reproducing an optical disc |
04/11/1995 | US5406536 Optical disc apparatus having improved read accuracy with non-linear servo signal gain during track access and focus initialization |
04/11/1995 | US5406535 Head seeking control apparatus with changeable speed references |
04/11/1995 | US5406534 Double-sided recordable optical disk suitable for a substituting process and a method for performing defect management |
04/11/1995 | US5406533 Information signal recording apparatus |
04/11/1995 | US5406532 Signal detecting optical system |
04/11/1995 | US5405976 Benzpyrylium squarylium and croconylium dyes, and processes for their preparation and use |
04/11/1995 | US5405968 Useful as drugs, for producing singlet oxygen, sensitizers in electrophotographic layers and for photopolymerizations and as laser light sensitive dyes in optical recording media |
04/11/1995 | CA2001038C Wedge prism assembly for optical information storage |
04/06/1995 | WO1995009422A1 Data carrier |
04/06/1995 | WO1995009418A1 Optical head |
04/06/1995 | WO1995009379A1 Retardation layer having a dispersion adapted to the active liquid-crystalline cell |
04/06/1995 | DE4431966A1 Atomisation target electrode |
04/06/1995 | DE4409284C1 Sound-scanning device |
04/06/1995 | CA2172973A1 Retardation layer having a dispersion adapted to the active liquid-crystalline cell |
04/05/1995 | EP0646911A2 Optical head apparatus |
04/05/1995 | EP0646910A1 Optical storage device |
04/05/1995 | EP0646909A1 Optical information recording/reproduction method and apparatus |
04/05/1995 | EP0646908A1 Optical disk reader |
04/05/1995 | EP0646769A1 Displacement measurement apparatus |
04/05/1995 | EP0606389B1 Optical head for magneto-optical system |
04/05/1995 | CN1101157A Laser head for detecting focus erro and tracking error using hologram |
04/05/1995 | CN1101156A Multiple data surface optical medium and storage system with fixed aberration correction |
04/05/1995 | CN1101155A Optical disc system |
04/04/1995 | US5404348 Method for recording and reproducing information using at least two energy beams |
04/04/1995 | US5404346 Optical information processing apparatus including a correction circuit for correcting non-linearity of an output of a position detection circuit |
04/04/1995 | US5404345 Optical recording medium and tracking servo circuit adapted therefor using wobbled pits |
04/04/1995 | US5404344 Recording/reproducing optical head producing focusing error signal from zero-th order diffracted light and tracking error signal from first order diffracted light |
04/04/1995 | US5404009 Integrated optical information detector for an optical information processing apparatus with a plurality of photo detecting strips and a common bonding pad |
04/04/1995 | US5403878 With alpha olefin oligomer and acidic sulfur compound; mold releasing, thermostability |
04/04/1995 | US5403683 Photo-mask |
04/04/1995 | US5403619 Reaction and polishing takes place at the interface between oxygene superionic conductor and dimond or carbonitride film to form volatile carbon mono or dioxide, resulting in their removal |
04/04/1995 | US5403397 Device for manufacturing a mold for a disc-shaped registration carrier |
04/04/1995 | US5402599 Floral container having a water-impermeable external layer |
04/04/1995 | CA2007619C Optical pickup apparatus utilizing a diffraction device |
03/30/1995 | DE4332795A1 Aufzeichnungsmaterial für Bilder oder Daten Recording material for images or data |
03/30/1995 | DE4332498A1 Method and apparatus for printing individual flat objects |
03/29/1995 | EP0645766A1 Recording and/or reproducing apparatus for magneto-optical recording medium |
03/29/1995 | EP0645765A1 Disklike recording medium, apparatus for recording data on disk, and apparatus for reproducing data from disk |
03/29/1995 | EP0645042A1 Disk-shaped optical storage medium and process for producing the same |
03/29/1995 | CN2193582Y Tracker of optical disc driver |
03/28/1995 | US5402435 Optical device |
03/28/1995 | US5402411 Constant amplitude of tracking error signals generated from a head guide track and a performed track |
03/28/1995 | US5402407 Optical pickup apparatus and method for adjusting optical axis thereof |
03/28/1995 | US5402404 Optical disc apparatus having automatic gain control circuit of open loop type |
03/28/1995 | US5402403 Device for detecting cross talk level of optically read signal |
03/28/1995 | US5402402 Apparatus for controlling a optical disk drive |
03/28/1995 | US5402401 Scanning device with two-stage controller for positioning a scanning point |
03/28/1995 | US5402399 Apparatus and method for reproducing information data from optical cards |
03/28/1995 | US5402274 Data separator and signal processing circuit with an adjustable window |
03/28/1995 | US5402269 Compound prism |
03/28/1995 | US5401610 Optical disc |
03/28/1995 | US5401609 Optical recording medium and its production |
03/28/1995 | US5401549 Optical information recording medium |
03/28/1995 | US5401158 Apparatus for automatically exchanging a stamper unit with another one |
03/28/1995 | CA2021155C Optical disk recording and reproducing apparatus |
03/23/1995 | WO1995008172A1 Method of assembling disk unit and head carriage driving transmission gear |
03/23/1995 | WO1995008171A1 Analog-digitizer sound system for motion pictures |
03/23/1995 | DE4416325A1 Use of specific polycarbonates for the production of optical articles |
03/22/1995 | EP0644659A2 Information recording/reproducing apparatus for recording or reproducing data, and clock generating circuit incorporated therein |
03/22/1995 | EP0644580A2 A wafer processor |
03/22/1995 | EP0644537A2 Information recording medium |
03/22/1995 | EP0644536A1 Automatic attitude correcting system for optical disc device |
03/22/1995 | CN1100550A Laser output control device for an optical information recording and reproducing apparatus |
03/22/1995 | CN1100549A Optical disc, device for checking optical disc and device for recording information on optical disc |
03/21/1995 | US5400319 CD-ROM with machine-readable I.D. code |
03/21/1995 | US5400318 Edge detection of information pit pattern by establishing threshold voltage from a closely spaced pit pattern |