Patents
Sitemap › G11 - Information storage › G11B - Information storage based on relative movement between record carrier and transducer › 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
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)
07/1986
07/03/1986WO1986003874A1 Apparatus for recording and reproducing optical recording card
07/03/1986WO1986003852A1 Side lobe suppression in holograms
07/02/1986EP0186506A2 Optical memory medium
07/02/1986EP0186467A2 Optical data recording medium and method
07/02/1986EP0186404A2 Optical recording medium
07/02/1986EP0186329A2 Information recording medium
07/02/1986EP0186227A1 Optical recording element and method of recording information
07/02/1986EP0186218A2 Opto-electronic apparatus for writing and/or reading recording tracks by means of a radiation beam
07/02/1986EP0186044A2 Photodetector
07/02/1986EP0186017A2 Recording and reproducing method of optical recording medium
07/02/1986EP0185725A1 Optical information carrier with mossaic structure.
07/01/1986US4598395 Erasable optical read/write data storage system
07/01/1986US4598394 Optical reproducing apparatus with fast access mode operation
07/01/1986US4598393 Three-beam optical servo tracking system with two-track parallel readout
06/1986
06/25/1986EP0185557A2 Optical modulation systems
06/25/1986EP0185549A1 Tracking control system for optical record disc information reproducing apparatus
06/25/1986EP0185097A1 Method of manufacturing stamper
06/24/1986US4596448 Optical system support and positioning device for use in an optical reading apparatus
06/24/1986US4596444 Double cantilever support construction for optical systems
06/24/1986CA1206676A1 Polymerizable composition for information carrying systems
06/24/1986CA1206613A1 Optical disc players
06/24/1986CA1206612A1 Direct read after write optical disk system
06/19/1986WO1986003611A1 Apparatus for reading optical recording cards
06/18/1986EP0184750A2 Optical recording and reproducing device
06/17/1986US4596008 Optical sound track playback apparatus and method
06/17/1986US4595950 Method and apparatus for marking the information content of an information carrying signal
06/17/1986US4595810 Device for focusing a laser on a recording medium by wavelength modulation
06/17/1986US4595633 Composition
06/17/1986US4595264 Lens system for optical recording type disks
06/17/1986US4595261 Phase retardation element and prism for use in an optical data storage system
06/11/1986EP0184452A2 Optical information memory medium and methods and apparatus using such a medium
06/11/1986EP0184412A2 Alloy having variable spectral reflectance and information recording material making use of the same
06/11/1986EP0184195A2 Optical disc recording apparatus
06/11/1986EP0184189A1 Optical information recording device and method
06/11/1986EP0184188A2 Information-recording and reproducing device
06/11/1986EP0183849A1 Control circuit that operates on pulse-width modulated signals
06/10/1986US4594717 Driver circuit for laser diode
06/10/1986US4594702 Fluid bearing for axially movable head
06/10/1986US4594701 System for recording data on spiral track
06/10/1986US4594596 Laser beam recording method
06/10/1986CN85107597A System for tracking error detection used for an optical pick up head
06/10/1986CN85104646A 相可变材料 Phase variable material
06/05/1986WO1986003325A1 Interactive multi-user laser disc system
06/04/1986EP0183570A2 Optical recording medium and optical disc
06/04/1986EP0183554A2 Video/compact disk player
06/04/1986EP0183435A2 Focus servo device
06/04/1986EP0183303A1 Apparatus for reading a disc-shaped record carrier
06/04/1986EP0183168A2 An enhanced optically sensitive medium using organic charge transfer materials to provide reproducible thermal/optical erasure
06/04/1986EP0183046A2 Process for reducing feedback in a semiconductor laser used in an optical data storage system
06/04/1986EP0182946A1 Optical recording medium
06/04/1986EP0182909A1 Apparatus for recording data
06/03/1986US4593386 Optical disc player with improved tracking control
06/03/1986US4593306 Information storage medium and method of recording and retrieving information thereon
06/03/1986US4592939 Method of rendering uniform coating on disks and product
05/1986
05/28/1986EP0182670A2 Optical recording medium
05/28/1986EP0182594A1 Optical recording elements comprising telluropyrylium dyes
05/28/1986EP0182585A2 Optical disc base plate
05/28/1986EP0182371A2 Protection film structure for functional devices
05/28/1986EP0182236A1 Optical recording medium
05/28/1986EP0182153A2 Data storage device using phase changeable material
05/28/1986EP0182127A2 System for preventing the overwriting of previously optically recorded data and for reading optically recorded data during writing
05/28/1986EP0181941A1 Optical recording medium
05/27/1986US4592042 Record card transducing apparatus and method
05/27/1986US4592038 Optical reproducing apparatus
05/27/1986US4592037 Device for displacing a pickup head in multi-axial directions
05/27/1986US4592036 Disc player with search noise suppression
05/21/1986EP0181436A1 Method and apparatus for information retrieval from an optically readable storage medium
05/21/1986EP0181428A2 Video recorder-playback machine
05/21/1986EP0181427A2 Video recorder-playback machine
05/20/1986US4590594 Side-spot focus apparatus for optical disc recording and/or playback system
05/20/1986US4590493 Optical disc
05/20/1986CA1204858A1 Apparatus for optically reading and/or recording information
05/14/1986EP0181077A2 Optical type information recording medium and manufacturing method thereof
05/14/1986EP0181020A1 Apparatus for reproducing information from a record carrier
05/14/1986EP0181005A2 Optical information apparatus and method of recording and erasing information
05/14/1986EP0180767A2 Optical lens device
05/13/1986US4589103 Tilt compensation tracking control system for optical discs
05/13/1986US4589102 Device for compensating the lack of balance of a deviating mirror belonging to an optical system for illuminating a data medium
05/13/1986US4588882 Skew detection system for optically read data
05/13/1986US4588665 Micrographic film member with laser written data
05/13/1986US4588369 Apparatus for removal of a data carrier disk after molding
05/13/1986US4588263 An adjustable-optical prism with integral-polarizing beam splitter and applications thereof
05/13/1986US4587786 Scaffolding and locking discs therefor
05/09/1986WO1986002768A1 Disc device
05/09/1986WO1986002767A1 Optical data reader
05/09/1986WO1986002653A1 Optical resin materials
05/07/1986EP0180103A2 Method of forming an optical data storage device and the optical data storage device formed thereby
05/07/1986EP0179976A2 Continuous-filling machine
05/07/1986EP0179916A1 Recording/reproducing optical system
05/06/1986US4587648 Optical disk
05/06/1986US4587644 Tracking servocontrol circuits for reducing gain to avoid tracking defect in an optical reproducing apparatus
05/06/1986US4587643 Disc playback apparatus
05/06/1986US4587558 Address signal generating circuit for a memory circuit
05/06/1986US4587533 Information recording media
05/06/1986US4587466 Two axis linear motor for optical focusing and tracking system in optical recording
05/06/1986US4587209 Optical information recording member comprising Au, TeO2 and Te
05/06/1986CA1204212A1 Optical disc write/read employing passive focus maintenance
05/06/1986CA1204211A1 Method for formatting optically encoded digital data on a substrate and the data record carrier formed thereby
05/06/1986CA1204199A1 Optical apparatus
04/1986
04/30/1986EP0179531A1 Single bi-aspherical lens
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