| 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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| 10/20/1992 | US5156941 Base film peeling layer, recording layer and light permeable adhesive layer |
| 10/20/1992 | US5156860 Apparatus for manufacturing an optical disk substrate by injection molding |
| 10/20/1992 | US5156693 Electromagnetic recording layer of a silver, indium, tellurium and antimony intermetallic; durability; erasing |
| 10/20/1992 | US5156174 Single wafer processor with a bowl |
| 10/20/1992 | CA2066076A1 Cartridge for accommodating flexible optical disk |
| 10/20/1992 | CA1309178C Optical disk |
| 10/19/1992 | CA2066070A1 Method for read-only optically readable media |
| 10/17/1992 | CA2065653A1 Optical recording medium |
| 10/15/1992 | WO1992017549A2 Polyketomethine dyes |
| 10/15/1992 | WO1992017548A1 Indolicin trimethine dye |
| 10/15/1992 | DE4136700A1 Lens control system for optical disc recording system - flexibly supports lens mounted in holder and subjects to EM movement for tracking and focussing |
| 10/14/1992 | EP0508762A2 Optical disk ROM |
| 10/14/1992 | EP0508522A2 Optical recording and/or reading apparatus |
| 10/14/1992 | EP0508520A1 Device for inscribing and/or reading information carrier |
| 10/14/1992 | EP0508302A2 Laser disk playback system |
| 10/14/1992 | EP0508065A2 Method and apparatus for parallel alignment of opposing mold surfaces |
| 10/14/1992 | CN1018680B Erasable optical data storage medium |
| 10/13/1992 | US5155723 Optical information recording method and medium |
| 10/13/1992 | US5155722 Recording/reproducing apparatus |
| 10/13/1992 | US5155721 Optical data storage accessing apparatus |
| 10/13/1992 | US5155720 Servo control circuit for image rotator |
| 10/13/1992 | US5155719 Optical information recording and/or reproducing apparatus |
| 10/13/1992 | US5155718 Optical record medium reading apparatus having a de-focussed light beam projected on an optical record medium |
| 10/13/1992 | US5155717 Multiple beam optical scanning device wherein scanning control signals are stabilized against variations in beam intensities |
| 10/13/1992 | US5155716 Servo system for optical recording/reproducing drive |
| 10/13/1992 | US5155633 Anamorphic achromatic prism for optical disk heads |
| 10/13/1992 | US5155622 Polarizing optical element and device using the same |
| 10/13/1992 | US5155510 Digital sound system for motion pictures with analog sound track emulation |
| 10/13/1992 | US5155009 Layer of cyanine dye and qhencher applied directly to injection-molded substrate; high productivity; superior reproduction |
| 10/13/1992 | US5155008 Layer of cyanine dye and quencher applied directly to injection-molded substrate; high productivity; superior reproduction |
| 10/13/1992 | US5154958 Optical recording medium |
| 10/13/1992 | US5154957 Thin transparent substrate having a recording thin film on one face and a reinforcing plate bonded to recording film by an adhesive film |
| 10/08/1992 | DE4141857A1 Write-once optical discs having good reflectivity - comprise transparent substrate coated with penta:methin cyanine mixt., and reflective layer |
| 10/08/1992 | DE4111159A1 Polyketomethinfarbstoffe Polyketomethinfarbstoffe |
| 10/08/1992 | DE4110808A1 Indolizintrimethinfarbstoffe Indolizinetrimethine dyes |
| 10/07/1992 | EP0507633A2 Curable coating resin composition and information recording medium using the same |
| 10/07/1992 | EP0507600A1 Roll stamper and apparatus for forming a substrate for information recording medium |
| 10/07/1992 | EP0507515A2 Magneto-optical disk with vibration dampening |
| 10/07/1992 | EP0507476A2 Information recording and reproducing apparatus |
| 10/07/1992 | EP0507403A2 Record carrier, reading apparatus for reading the record carrier, as well as a method and recording apparatus for recording information on a record carrier |
| 10/07/1992 | EP0507397A2 Method and device for recording information volumes in a track of a record carrier, and a device for reading the record carrier thus obtained |
| 10/07/1992 | EP0507341A2 Data recording method and data recording medium |
| 10/07/1992 | EP0507304A2 Optical disc and optical disc reproducing apparatus |
| 10/07/1992 | EP0506699A1 Optical scanning device. |
| 10/06/1992 | US5153879 Optical recording system |
| 10/06/1992 | US5153873 Optical record carrier and method and apparatus for increasing the resolution of information recorded thereon and read therefrom |
| 10/06/1992 | US5153872 Information recording device that eliminates cross-talk using inverse components thereof |
| 10/06/1992 | US5153871 Controlling a laser used with an optical disk apparatus |
| 10/06/1992 | US5153870 Rotary head actuator for optical disk |
| 10/06/1992 | US5153869 Apparatus for recording information on an optical disk with a modified constant linear density system |
| 10/06/1992 | US5153866 Optical disc recording-reproducing apparatus for determining the last recorded sensor |
| 10/06/1992 | US5153865 Automatic gain control apparatus |
| 10/06/1992 | US5153864 Focusing detection optical path for an optical information processing system |
| 10/06/1992 | US5153863 Apparatus for optically recording and reproducing information |
| 10/06/1992 | US5153862 Cassette for storing, moving and loading optical storage disk cartridges |
| 10/06/1992 | US5153861 Recording/reproducing device |
| 10/06/1992 | US5153860 Optical pickup apparatus for detecting and correcting focusing and tracking errors in detected recorded signals |
| 10/06/1992 | US5153789 Methods and apparatus for optimizing track seeking operations |
| 10/06/1992 | US5153785 Apparatus for measuring the clearance of recording transducer, and a recorder using the apparatus, and a method of controlling the recorder |
| 10/06/1992 | US5153680 Organic dye thin film and organic thin film element |
| 10/06/1992 | US5153106 A mixture of a dye capable of absorbing radiation energy and thermochromic aryl diacetylene component; photopolymerization |
| 10/06/1992 | US5153099 Dispersing a photosensitive material the substituted porphine |
| 10/06/1992 | US5152597 Magneto-optic readout using a polarization-preserving optical fiber |
| 10/06/1992 | CA2065092A1 Curable coating resin composition and information recording medium using the same |
| 10/06/1992 | CA1308483C Optical disc reproducing apparatus having speed-change reproduction mode |
| 10/06/1992 | CA1308482C Erasing of information signal from an optical disk |
| 10/06/1992 | CA1308284C Optical systems with thin film polarization rotators and method for fabricating such rotators |
| 10/02/1992 | CA2063002A1 Optical disk with vibration dampening |
| 10/01/1992 | WO1992016940A1 High speed focusing lens assembly |
| 10/01/1992 | WO1992016933A1 Method for recording code data |
| 10/01/1992 | WO1992016374A1 Focus fiber mount |
| 10/01/1992 | DE4140712A1 Optical disc and prodn. esp. small scale prodn. of audio-visual disc - by laser exposure of photoresist contg. resin, light-sensitive cpd. and ballast cpd. |
| 09/30/1992 | EP0506471A1 Disk recording and reproduction |
| 09/30/1992 | EP0506447A1 Disc reproducing apparatus |
| 09/30/1992 | EP0506382A2 Optical disk substrate, method for initialization thereof and driving apparatus for initialization of said optical disk |
| 09/30/1992 | EP0505455A1 Three laser optical disk drive system. |
| 09/29/1992 | US5151893 Optical data recording and reproducing apparatus |
| 09/29/1992 | US5151892 Optical head device for optimally detecting a focussing error |
| 09/29/1992 | US5151890 Optical system for optical memory device |
| 09/29/1992 | US5151889 Optical head device using cross-polarized from a light source for use in optical disk system |
| 09/29/1992 | US5151888 Optical information processing apparatus in which the output of an optical sensor is replaced by a reference signal during the occurrence of malfunction |
| 09/29/1992 | US5151887 Separation-type optical information recording and reproducing apparatus producing offset-eliminated focus error signal |
| 09/29/1992 | US5151452 Sizing, refluxing, washing with water and filtration |
| 09/29/1992 | US5151342 A multilayer element with a naphthalocyanine dye and a binder |
| 09/29/1992 | US5151310 Adhesives |
| 09/29/1992 | US5151295 Process for manufacturing an optical recording medium |
| 09/29/1992 | CA2064314A1 Optical disk substrate, method for initialization thereof and driving apparatus for initialization of said optical disk |
| 09/29/1992 | CA1308192C Apparatus for writing and/or reading information in/from a disc shaped record carrier |
| 09/24/1992 | DE4143060A1 Photo with sync. sound CD player - reads video and audio information in different sectors using two heads for sync. playback |
| 09/23/1992 | EP0505273A2 Apparatus and method for controlling spindle motor of compact disc utilizing appliance |
| 09/23/1992 | EP0505252A2 Method and circuit for correcting track zero-crossing signal in optical disk system |
| 09/23/1992 | EP0505156A2 Tracking adjustment |
| 09/23/1992 | EP0505110A1 Hydrogenated vinyl aromatic hydrocarbon polymer composition and optical disc substrate |
| 09/23/1992 | EP0504829A2 Write laser power setting device and method |
| 09/23/1992 | EP0504604A1 Magneto-optical disk head system |
| 09/23/1992 | EP0504429A1 Disk recording and reproducing apparatus |
| 09/23/1992 | EP0504300A1 A tracking system in an optical recording/reproducing device. |
| 09/23/1992 | EP0504158A1 Circuit arrangement for operating a light source for the optical scanning of recording substrates. |
| 09/23/1992 | CN1018398B Information recording media |
| 09/23/1992 | CN1018397B Magnetic-light recording carries |