| 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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| 01/12/1995 | DE4422654A1 Clamping mechanism for an injection-moulding machine |
| 01/12/1995 | DE4422268A1 Program searching method |
| 01/12/1995 | DE4322049A1 Photoactive monolayers, and their use |
| 01/11/1995 | EP0633566A1 Optical disc, apparatus for reproducing the same and method of recording and reproducing the same |
| 01/11/1995 | EP0633565A1 Optical disk, optical disk reproducing apparatus and recording/reproducing method of optical disk |
| 01/11/1995 | EP0633298A1 Powder mixtures for metallising substrates |
| 01/11/1995 | EP0632922A1 High fidelity sound reproduction device for cinematographic films. |
| 01/11/1995 | CN1027402C Focus-error detection using prism-enhanced spot size monitoring |
| 01/10/1995 | US5381401 Multiple data surface optical data storage system |
| 01/10/1995 | US5381398 Information signal reproducing system having amplifier with selectively decreased gain |
| 01/10/1995 | US5381397 Data recording medium, method of recording data thereon, and apparatus for and method of reproducing it |
| 01/10/1995 | US5381395 Information detection of a phase-change type optical recording medium by shifting the phase of a reference light |
| 01/10/1995 | US5381394 Optical pickup for an optical disc player |
| 01/10/1995 | US5381392 Optical disk reproducing apparatus for identifying whether the disk is a blank disc, partical disc, or a finalized disk |
| 01/10/1995 | US5381391 Optical recording medium having a third non-linear optical reflection film |
| 01/10/1995 | US5381273 Object lens holder, method for preparation of the object lens holder and object lens driving device employing object lens holder |
| 01/10/1995 | US5380842 Phthalocyanine compounds and usage thereof |
| 01/10/1995 | US5380809 Composition for optical material |
| 01/10/1995 | US5380573 Optical recording medium |
| 01/05/1995 | WO1995000873A1 Polarizing beam splitter and magneto-optic reading device using the same |
| 01/04/1995 | EP0632434A1 Internal drum plotter |
| 01/04/1995 | EP0632433A2 Information reproducing apparatus and information recording medium |
| 01/04/1995 | EP0632348A1 Volume holographic storage system |
| 01/04/1995 | CN1096979A A substrate plate for the manufacture of a mould for the procuction of optical registration carriers and a method for manufacturing same |
| 01/04/1995 | CN1027327C Optical scanning device using plurality of scanning spots |
| 01/04/1995 | CN1027326C Electro-optical scanning device and optical player comprising the scanning device |
| 01/03/1995 | US5379288 Optical information recording medium and a reproducing apparatus for the recording medium |
| 01/03/1995 | US5379286 Optical information recording-reproducing apparatus having a prism |
| 01/03/1995 | US5379285 Recording medium and information recording and reproducing apparatus therefor |
| 01/03/1995 | US5379284 Compact disk player having an intermediate memory storage device |
| 01/03/1995 | US5379283 Magneto-optical recording/reproducing method with optical head servo inhibited during magnetic head loading |
| 01/03/1995 | US5379282 System for calculating focus servo control signal using focus error signal and reproduced RF signal |
| 01/03/1995 | US5379120 Optical disk apparatus for selectively recording and reproducing signals having different bit rates |
| 01/03/1995 | US5379119 Video disk recording apparatus wherein the frequency of the carrier is lowered and the frequency range of the information signal is narrowed when a recording laser beam is positioned at an extended recording area of the disk |
| 01/03/1995 | US5378589 Film with durable layer and phthalocyanine dyes |
| 01/03/1995 | US5378517 Optical disc having signal recording layer on each side and method for producing same |
| 01/03/1995 | US5378516 Thin type optical memory medium and method for preparing the same |
| 01/03/1995 | US5377708 Apparatus for processing wafers |
| 01/03/1995 | CA1333820C Magneto-optical recording medium |
| 12/31/1994 | CA2127137A1 Internal drum plotter |
| 12/28/1994 | EP0631279A2 Head device for magneto-optical disk |
| 12/28/1994 | CN1096899A Picture reproducing device |
| 12/27/1994 | US5377212 Solid-state laser device including uniaxial laser crystal emitting linearly polarized fundamental wave and nonlinear optical crystal emitting linearly polarized harmonic wave |
| 12/27/1994 | US5377179 Method and apparatus for enhancing the utility of a photopolymer recording media for holographic data recording |
| 12/27/1994 | US5377178 Data recording/reproducing method and apparatus using a recording medium having clock marks recorded in a wobbled track for read/write synchronization |
| 12/27/1994 | US5377177 Optical pickup having first and second reflecting surfaces and hologram |
| 12/27/1994 | US5377176 Method and apparatus for isolating data storage regions in a thick holographic storage media |
| 12/27/1994 | US5377173 Jog method for optical disk players having a constant linear velocity |
| 12/27/1994 | US5377167 Recording/reproducing device |
| 12/27/1994 | US5376511 Recording layer contains photochromic material and polymer |
| 12/27/1994 | US5376422 Optical recording medium and apparatus for playing such a medium |
| 12/27/1994 | US5376216 Device for holding and rotating a substrate |
| 12/27/1994 | US5375285 Apparatus for cleaning cylindrical outer surface of a disk |
| 12/27/1994 | CA1333668C Optical media having interlaced data rings |
| 12/22/1994 | WO1994029867A1 Recording medium management method |
| 12/22/1994 | WO1994029856A1 Optical recording medium and recording system |
| 12/22/1994 | WO1994029789A1 Apparatus and method for reproducing data from disc, method for recording data on disc, and disc |
| 12/22/1994 | DE4421221A1 Information-recording thin film and information recording medium and also a process for their production |
| 12/22/1994 | DE4322149A1 Optical information recording/reproducing device |
| 12/21/1994 | EP0630021A1 Audio signal recording apparatus with an index number signal generating function |
| 12/21/1994 | EP0630020A1 Audio signal recording apparatus with a track number signal generating function |
| 12/21/1994 | EP0630007A1 Optical information-recording medium |
| 12/21/1994 | EP0630006A1 Disc data recording and/or reproducing apparatus |
| 12/21/1994 | EP0630005A1 Optical information recording/reproducing apparatus |
| 12/21/1994 | EP0630004A2 Disc reproducing apparatus |
| 12/21/1994 | EP0630003A2 Speed control motor and speed detection apparatus |
| 12/21/1994 | EP0630002A1 Method and apparatus for the simultaneous writing of data on an optical disk |
| 12/20/1994 | US5375138 Optical cavities for lasers |
| 12/20/1994 | US5375115 Disk recording and reproducing apparatus having a guide shaft compression mechanism which secures a guide shaft along which the head moves |
| 12/20/1994 | US5375112 Method of writing and reading information on and from optical card |
| 12/20/1994 | US5375111 Optical information recording medium, and audio and video information recording method |
| 12/20/1994 | US5375110 Optical data reading apparatus having means for detecting data degradation resulting from dust coverng the optical pick up head |
| 12/20/1994 | US5375109 Magneto-optical recording and/or reproducing device |
| 12/20/1994 | US5375108 Optical disk device and method for controlling head movement thereof |
| 12/20/1994 | US5375107 Track error control signal generation apparatus as for a disc player |
| 12/20/1994 | US5375106 Reproducing system with detachable storage medium for storing selected cue points |
| 12/20/1994 | US5374819 Optical head having a beam cutting mirror with a total absorption surface |
| 12/20/1994 | US5374723 Spiro-oxazine compound |
| 12/14/1994 | EP0628960A1 Optical information recording and/or reproducing apparatus |
| 12/14/1994 | EP0628958A1 Optical record carrier |
| 12/14/1994 | EP0628957A1 Optical information recording medium |
| 12/14/1994 | EP0628956A1 Optical information medium and method for fabricating same |
| 12/14/1994 | EP0628955A1 Optical head |
| 12/14/1994 | EP0628954A2 Method and apparatus for reproducing and recording information on an optical disc and light detecting apparatus used in the reproducing apparatus |
| 12/14/1994 | EP0628953A1 Cross-talk canceler for optical disk reading mechanism |
| 12/14/1994 | EP0628952A2 Optical disk, and information recording/reproduction apparatus |
| 12/14/1994 | CN1096389A Recording and reproducing appts. |
| 12/13/1994 | US5373500 Optical readable carrier with diffractive tracks containing information bearing irregularity |
| 12/13/1994 | US5373499 Multilayer optical disk and system having multiple optical paths include identical total disk substrate thickness |
| 12/13/1994 | US5373498 Disc-shaped record medium |
| 12/13/1994 | US5373496 Objective lens actuator having rodlike elastic members supporting U-shaped lens holder |
| 12/13/1994 | US5373492 Optical information recording/reproducing apparatus |
| 12/13/1994 | US5373491 Wavelength-multiple optical recording medium |
| 12/13/1994 | US5373437 Device for and method of reducing cross talk in optical disk device |
| 12/13/1994 | CA2020243C Optical information recording method and recording apparatus |
| 12/13/1994 | CA2006001C Method of mounting laser diode unit |
| 12/13/1994 | CA1333514C Resin composition for spacers of information recording disc |
| 12/09/1994 | CA2242186A1 Optical disk, and information recording/reproduction apparatus |
| 12/08/1994 | WO1994028545A1 Substrate for optical disc and optical disc which uses the substrate |
| 12/08/1994 | DE4419477A1 Reinigungsscheiben-Kassette Cleaning disc cartridge |