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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02/18/1986 | US4571718 Optical disk cartridge and cooperating apparatus |
02/18/1986 | US4571716 Method and apparatus for scanning a recording medium for defects |
02/18/1986 | US4571715 Optical head movable in a tracking direction |
02/18/1986 | US4571714 Read beam position calibration |
02/18/1986 | US4571713 Digital data record |
02/18/1986 | US4571712 Method for generating a position control signal |
02/18/1986 | US4571650 Magneto-optic information storage system utilizing a self-coupled laser |
02/18/1986 | US4571602 Recording apparatus |
02/18/1986 | US4571314 Process for producing substrate for optical recording medium |
02/18/1986 | US4571026 Driving apparatus for an objective lens |
02/18/1986 | CA1200899A1 Data carrier and apparatus for optically reading digital data inscribed in an arcuate pattern on a data carrier |
02/13/1986 | WO1986001026A1 Apparatus for recording and/or reproducing optical cards |
02/13/1986 | WO1986001021A1 Method of producing optical data recording medium |
02/12/1986 | EP0171104A1 Optical recording element |
02/12/1986 | EP0171045A2 Optical recording medium |
02/11/1986 | US4570252 Optical data retrieval system using multi-spectral light sources |
02/11/1986 | US4570251 Overlay recording prevention device for optical disc apparatus |
02/11/1986 | US4570250 Optical sound-reproducing apparatus |
02/11/1986 | US4570249 Optical read/write head for recording and playback of an optical disk and an optical device associated with said optical head |
02/11/1986 | US4569903 Optical recording medium |
02/11/1986 | US4569871 Fluoainated acrylic ester polymers |
02/11/1986 | US4569806 Method and device for manufacturing an information carrier of a synthetic material having a laminated structure |
02/11/1986 | CA1200609A1 Optical data retrieval system for multi- characteristic reflective data storage media |
02/11/1986 | CA1200608A1 Optical memory system having improved positioning and focusing control circuitry |
02/11/1986 | CA1200607A1 Opto-electronic focusing-error detection device |
02/11/1986 | CA1200606A1 Optical storage system employing a novel multi-layer optical medium |
02/11/1986 | CA1200605A1 Optical storage system employing a novel multi-layer optical medium |
02/11/1986 | CA1200604A1 Optical memory system having an improved long seek capability |
02/11/1986 | CA1200603A1 Optical memory system having improved track following and seeking capabilities |
02/11/1986 | CA1200602A1 Optical memory system having improved track following |
02/11/1986 | CA1200601A1 Optical track follower device with sampling |
02/11/1986 | CA1200600A1 Digital audio disc system |
02/11/1986 | CA1200596A1 System for recording continuous-play and stop-motion signal |
02/11/1986 | CA1200446A1 Disc coating method |
02/05/1986 | EP0170381A2 Focussing error detection device for use in optical disk type recording system |
02/05/1986 | EP0169991A1 An optical signal recorder employing a transducer having an adjustable dichroic mirror |
02/05/1986 | EP0169882A1 Optical data storage and readout apparatus |
02/04/1986 | US4569072 Clock-controlled filtering arrangement |
02/04/1986 | US4569039 Optical information output device |
02/04/1986 | US4569038 Optical disk, high density optical disk system, and high density recording/reproducing method using the optical disk |
02/04/1986 | US4568952 Optical record blank and information record |
02/04/1986 | US4568845 Magnetic drive unit |
02/04/1986 | US4568142 Objective lens drive apparatus |
01/30/1986 | WO1986000744A1 Optical storage structure |
01/30/1986 | WO1986000743A1 Optical storage structure |
01/30/1986 | WO1986000742A1 Apparatus for detecting tracking error of optical head |
01/30/1986 | WO1986000741A1 Improved substrate for rigid disk storage media and method and apparatus for making the same |
01/30/1986 | WO1986000719A1 Method of controlling temperature of a semiconductor laser in an optical scanning apparatus |
01/30/1986 | WO1986000575A1 Graphic arts imaging constructions using vapor-deposited layers |
01/29/1986 | EP0169597A1 Apparatus for reproducing information from a record carrier |
01/29/1986 | EP0169579A2 Semiconductor laser drive circuit |
01/29/1986 | EP0169433A1 Record carrier for optically recording along a track of pregrooved marks, and an optical tracking device therefor |
01/29/1986 | EP0169367A1 Reversible optical information recording medium |
01/29/1986 | EP0169229A1 Coating process |
01/29/1986 | EP0169228A1 Ptfe coating process |
01/28/1986 | US4567585 Optical tape recorder using linear scanning |
01/28/1986 | US4567534 Apparatus for reading a disc-shaped record carrier |
01/28/1986 | US4567533 Apparatus for reading a disk-shaped optical record carrier |
01/28/1986 | US4567104 Ion exchanged surface layer with large concentration of silver oxide |
01/28/1986 | US4566937 Electron beam enhanced surface modification for making highly resolved structures |
01/28/1986 | CA1199877A1 Recording and/or reproducing apparatus for a disc |
01/22/1986 | EP0169137A1 Method for storing on a disc several series of data for different users, and disc manufactured by this method |
01/22/1986 | EP0168763A2 Method for fabricating a master recording disc |
01/22/1986 | EP0168750A1 Protected optical disc with welded elements |
01/21/1986 | US4566092 Process and device for generating synchronizing signals in an optical data carrier write-read apparatus |
01/21/1986 | US4566091 Process and device for regenerating the phase of synchronizing signals in a data carrier optical write-read apparatus |
01/21/1986 | US4566090 Storage medium track pitch detector |
01/21/1986 | US4566089 Deviation correction apparatus for optical disc light beams |
01/21/1986 | US4566088 Optical and reversible recording and reproducing apparatus |
01/21/1986 | US4566087 Digital optical disk system |
01/21/1986 | US4566086 Information storage system utilizing electrets |
01/21/1986 | US4565772 Process of using radiation-sensitive carrier body to form stamper structure and subsequent use as a stamper to make optical disks |
01/20/1986 | EP0114839A4 A high performance multi-processor system. |
01/16/1986 | WO1986000459A1 Optical information carrier maintaining its flat shape |
01/16/1986 | WO1986000458A1 Optical information carrier with mossaic structure |
01/15/1986 | EP0168179A1 Improvements relating to photolithography |
01/15/1986 | EP0167910A2 Optical signal recorder employing two lasers |
01/14/1986 | US4564945 Error-correction code for digital data on video disc |
01/14/1986 | US4564932 Method of fabrication of a protected optical disk and a disk obtained by said method |
01/14/1986 | US4564931 Optical recording and reproducing head |
01/14/1986 | US4564929 Information recording and reproducing apparatus with tracking control by sampling |
01/14/1986 | US4564850 Radiation-sensitive record disc with improved internal structure |
01/14/1986 | US4564757 Mirror position sensor for improved track selection in optical data disk system |
01/14/1986 | US4564268 Optical system for semiconductor laser |
01/14/1986 | EP0072854A4 Banking card for automatic teller machines and the like. |
01/14/1986 | CA1199404A1 Silicon laminated media for archival optical storage |
01/08/1986 | EP0167357A2 Photosensor devices and optical pick-ups |
01/08/1986 | EP0167177A1 Method for recovering information from a selected track on a record disk |
01/07/1986 | US4563760 Method of detecting light spot control signal |
01/07/1986 | US4563058 Optical signal recorder employing a transducer having an adjustable dichroic mirror |
01/07/1986 | CA1199110A1 Optical disc signal reproducing system with tilt immunization |
01/03/1986 | WO1986000151A1 Improvements relating to photolithography |
01/03/1986 | WO1986000048A1 Film for laser recording |
01/02/1986 | EP0166614A2 Encoated optical recording medium |
01/02/1986 | EP0166288A2 Liquid crystal bistable storage device |
01/02/1986 | EP0166282A2 Process and apparatus for treating liquids with cation and anion exchangers |
01/02/1986 | EP0166199A1 Recording disc and a method for fabricating same |
12/31/1985 | US4562578 Method for data transmission |
12/31/1985 | US4562569 Tandem coupled cavity lasers with separate current control and high parasitic resistance between them for bistability and negative resistance characteristics and use thereof for optical disc readout |
12/31/1985 | US4562568 Beam combining and separating apparatus useful for combining and separating reading and writing laser beams in an optical storage system |