| 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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| 04/30/1986 | EP0179436A2 Optical recording medium |
| 04/29/1986 | US4586173 Optical disk |
| 04/29/1986 | US4586165 Thermo-optic information writing process and information support for implementing this process |
| 04/29/1986 | US4585933 Optical apparatus and method for detecting the focusing state and positional accuracy of a light beam directed onto an optical disk tracking guide in an optical read/write system |
| 04/29/1986 | CA1203902A1 Optical read/write head of an optical disk and an optical device associated with said optical head |
| 04/29/1986 | CA1203901A1 Apparatus for reading information stored in a track pattern on a radiation reflecting record |
| 04/24/1986 | WO1986002482A1 Optical disc player |
| 04/24/1986 | WO1986002479A1 System for detecting tracking error of an optical head |
| 04/23/1986 | EP0178836A2 Optical disc |
| 04/23/1986 | EP0178719A1 Optical device |
| 04/23/1986 | EP0178578A2 Process for producing an irreversible optical medium for information storage |
| 04/23/1986 | EP0178423A2 Magneto-optical recording medium |
| 04/22/1986 | US4584687 Calibrated feedback for laser diodes |
| 04/22/1986 | US4584483 Noise erasing method in radiation image recording and reproducing method |
| 04/22/1986 | US4584259 Coated media for optical recording with acrylic overcoat |
| 04/22/1986 | US4584258 Recording and information record elements comprising telluropyrlium dyes |
| 04/22/1986 | CA1203621A1 Optical head in a recording and reading device for a data carrier |
| 04/22/1986 | CA1203620A1 Process and optical device for focussing a light energy beam on a reference plane of a data carrier as well as this carrier |
| 04/22/1986 | CA1203619A1 Process and device for regenerating the phase of synchronizing signals in a data carrier optical write - read apparatus |
| 04/16/1986 | EP0178116A2 Optical memory element |
| 04/16/1986 | EP0178077A1 Optical head apparatus for recording and reproducing data on a recording medium |
| 04/16/1986 | EP0177737A2 Optical memory disk and track access therefor |
| 04/16/1986 | EP0177713A1 Polycarbonate and optical disc substrate |
| 04/15/1986 | US4583212 Record/playback head positioning device for optical disc apparatus |
| 04/15/1986 | US4583211 Frequency detecting circuit for digital information reproducing system |
| 04/15/1986 | US4583210 Method and apparatus for storing and retrieving information |
| 04/15/1986 | US4583209 Apparatus for reproducing information from an optically readable record carrier |
| 04/15/1986 | US4583208 Sector mark decoder for an optical recorder |
| 04/15/1986 | US4583135 Tracking device using multiple piezoelectric elements for track centering |
| 04/15/1986 | US4583102 Optical disc and method of manufacturing |
| 04/15/1986 | US4583074 Expansion circuit for digital signals |
| 04/15/1986 | US4582776 Information recording disc having light absorbing cellulose nitrate coating |
| 04/10/1986 | WO1986002191A1 Apparatus for detecting tracking error of an optical head |
| 04/10/1986 | CN85104504A Method of forming an optical data storage device |
| 04/09/1986 | EP0177311A2 Optical recording medium |
| 04/09/1986 | EP0177108A1 Opto-electronic focussing-error detection system |
| 04/09/1986 | EP0177063A2 Process for producing optically readable information |
| 04/09/1986 | EP0176755A2 Optical disk and method for reproducing reference signal therefrom |
| 04/09/1986 | EP0176684A2 Process for forming a master mold for optical storage disks |
| 04/09/1986 | EP0176601A1 Optical recording medium |
| 04/08/1986 | US4581729 Case containing optically readable carrier structure and apparatus for using same |
| 04/08/1986 | US4581728 Plural beam tracking servo including delay compensation |
| 04/08/1986 | US4581529 Read/write system for optical disc apparatus with fiber optics |
| 04/08/1986 | US4581317 Optical recording element |
| 04/02/1986 | EP0176332A1 Optical pick-up |
| 04/02/1986 | EP0176271A2 Optical storage medium drive apparatus |
| 04/02/1986 | EP0176185A1 Optical disc player |
| 04/02/1986 | EP0176127A1 Lens mounting for and electrodynamic device for recording on and/or scanning optical discs by means of a radiation spot, and method of manufacturing such a lens mounting |
| 04/02/1986 | EP0176017A2 The use of nucleating agents for improving dimensional stability, abrasion resistance and stretchability of polyester films |
| 04/02/1986 | EP0175905A2 Polycarbonate and its use as optical disc substrate |
| 04/02/1986 | EP0175754A1 Optical information storage |
| 04/01/1986 | US4580255 Servo circuit for a signal reproducing apparatus |
| 04/01/1986 | US4580146 Multilayer-substrate, chromium layer, bismuth recording layer-good sensitivity and storage stability |
| 04/01/1986 | US4579807 Optical information storage |
| 04/01/1986 | CA1202722A1 Method of fabrication of a protected optical disk and a disk obtained by said method |
| 04/01/1986 | CA1202721A1 Optical scanning device |
| 04/01/1986 | CA1202719A1 Apparatus for optical information storage |
| 04/01/1986 | CA1202718A1 Process and device for generating synchronizing signals in an optical data carrier write - read apparatus |
| 03/26/1986 | EP0175408A1 Method of manufacturing an optically readable information disk |
| 03/26/1986 | EP0175308A2 Recording disk data playback apparatus |
| 03/26/1986 | EP0175201A2 Wheel slip control system for a vehicle |
| 03/25/1986 | US4578788 High performance optical storage medium with separate mechanical servo tracks embedded within the medium |
| 03/25/1986 | US4578786 Track pitch calibration system for use in optical storage devices |
| 03/25/1986 | US4578684 Ceramic coating |
| 03/25/1986 | US4578322 Recording medium |
| 03/25/1986 | US4577941 Optical apparatus |
| 03/25/1986 | CA1202416A1 Optical information processor |
| 03/25/1986 | CA1202415A1 Process and optical device for generating signals controlling the position of a scanning spot of the tracks of a data carrier |
| 03/19/1986 | EP0174658A2 Optical information recording medium and method for making same |
| 03/19/1986 | EP0174590A2 Mode switching device in a disc playback device |
| 03/19/1986 | EP0174383A1 Optical information recording medium |
| 03/18/1986 | US4577320 Light power controlling apparatus |
| 03/18/1986 | US4577306 Method for optically writing and/or reading information on optical recording elements |
| 03/18/1986 | US4577305 Stereophonic motion picture photographic sound-tracks compatible with different sound projection formats and record and playback apparatus therefore |
| 03/18/1986 | US4577302 Apparatus for reproducing motion picture film photographic sound-tracks to correct reproduction errors and reduce noise |
| 03/18/1986 | US4577301 For use in an optical storage system |
| 03/18/1986 | US4577291 Thermo-optical data writing process and data medium for performing this process |
| 03/18/1986 | US4576896 Optical recording medium |
| 03/18/1986 | US4576895 Metal energy absorber; silica, metal oxide or carbon fluoride matrix |
| 03/18/1986 | US4576699 Cosputtering rare earth and transition metals, concentration, variations |
| 03/18/1986 | CA1202122A1 Method for making a stamping master for video disc replication |
| 03/13/1986 | WO1986001630A1 Disk-shaped record carrier |
| 03/13/1986 | WO1986001460A1 Optical recording medium |
| 03/12/1986 | EP0174008A2 Device for processing optical data |
| 03/11/1986 | US4575739 Recording apparatus |
| 03/11/1986 | CA1201806A1 Optical disc write/read methods and apparatus with improved focus and tracking control |
| 03/05/1986 | EP0173533A2 An optical memory device |
| 03/05/1986 | EP0173523A2 Optical memory |
| 03/04/1986 | US4574372 Locking device for record player apparatus |
| 03/04/1986 | US4574371 Apparatus for recording and reproducing information on an optical disc |
| 03/04/1986 | US4574369 Tracking/focusing device for positioning an optical lens unit |
| 03/04/1986 | US4574366 Optical storage and switching devices using organic charge transfer salts |
| 02/27/1986 | WO1986001327A1 Interactive multi-user laser disc system |
| 02/26/1986 | EP0172489A1 Metallic layer for a thermo-optically writable information carrier and process for making it |
| 02/25/1986 | US4573149 Magneto-optical head assembly with improved detection means |
| 02/25/1986 | US4572891 Method for recording medical data in two modes |
| 02/19/1986 | EP0171953A1 An optical disc player |
| 02/19/1986 | EP0171929A1 Tracking error detecting apparatus |
| 02/19/1986 | EP0171816A1 Autofocusing control system |
| 02/19/1986 | EP0171465A1 High storage density optically readable information carrier |