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)
12/1996
12/04/1996EP0745983A2 Optical pickup
12/04/1996EP0745982A2 Tracking error signal generation device
12/04/1996EP0745981A2 Optical information recording/reproducing apparatus and method
12/04/1996EP0745980A1 Optical pickup device
12/04/1996EP0745979A2 Optical pickup apparatus having objective lens positioning system
12/04/1996EP0745978A1 Tracking method and device for use with an optical recording medium
12/04/1996EP0745977A1 Optical head device
12/04/1996EP0745976A2 Method and apparatus for tracking correction and optical disk for use therein
12/04/1996EP0745975A2 System and method for simultaneously verifying optical data writing and optical data writing medium for use therein
12/04/1996EP0745255A1 Multilayer record carrier and device for scanning said carrier
12/04/1996EP0656833B1 Data-recordal using laser beams
12/04/1996EP0578660B1 Indolicin trimethine dye
12/04/1996EP0499278B1 Method for recording sector control information on magneto-optical disk
12/04/1996CN1137151A Disk media, and method of and device for recording and playing back information on or from disk media
12/04/1996CN1137146A Information recording medium and information recording and reproducing method
12/03/1996US5581539 Optical recording medium
12/03/1996US5581536 Mass storage servo control system utilizing an analog signal leak detector
12/03/1996US5581535 Prepulse conditon/heat shut off condition determination method and apparatus for optical recording, and optical recording method and apparatus
12/03/1996US5581534 Device for realizing a longitudinal pattern of substantially parallel tracks in a record carrier which controls movement of the record carrier on the basis of trackpitch
12/03/1996US5581533 Objective lens actuating device, optical pickup employing the objective lens actuating device and optical disk recording and/or reproducing apparatus employing such optical pickup
12/03/1996US5581532 Optical information recording/reproducing apparatus for accurately detecting magnetic domain edges
12/03/1996US5581531 Method of making optical disk master and an optical disk
12/03/1996US5581527 Information recording/reproducing apparatus for optical information recording medium using a track traverse detecting signal
12/03/1996US5581526 Optical seeking method and apparatus with track counting using tracking error signal having constant amplitude during data segments
12/03/1996US5581523 Laser emission unit, optical head and optical memory device
12/03/1996US5581422 Actuator with moveable coil and recording apparatus
12/03/1996US5581403 Beam shaping and beam splitting device and optical head comprising the same
12/03/1996US5580951 Reacting dihydroxy compound with carbonic acid derivative and chain terminator containing hydroxy group
12/03/1996US5580696 Light absorbing layer contains a metallo-phthalocyanine compound
12/03/1996US5580632 Information recording medium
12/03/1996US5580631 Optical recording medium and optical recording method
11/1996
11/28/1996WO1996037888A1 Optical data storage
11/28/1996WO1996037887A1 Optical mass storage device, with data recording light-sensitive layer
11/27/1996EP0744739A1 Method of manufacturing an optical disc and a placing platform to be used by the same
11/27/1996EP0744738A1 Optical disk device
11/27/1996EP0744737A1 Optical pickup driving device for optical disk
11/27/1996EP0611472B1 Optical data storage disc
11/27/1996CN1136851A Rom-Ram-disk
11/27/1996CN1136694A Light pickup device
11/26/1996US5579329 Semiconductor laser apparatus, information recording/reproducing apparatus and image recording apparatus
11/26/1996US5579298 Optical scanner having symmetry about an oblique divider
11/26/1996US5579297 Optical data storage cartridge having a dual shutter configuration and shutter hinge device
11/26/1996US5579296 For use with a cd player
11/26/1996US5579295 Scanning device and optical player comprising the scanning device
11/26/1996US5579292 Magneto-optical data recording apparatus using a sample-servo system for applying heating pulses to record data
11/26/1996US5579291 Compact-size magneto-optical head apparatus
11/26/1996US5579176 Optical system supporting device with flowable damping material
11/26/1996US5579175 Actuator for optical equipment capable of reducing the number of coils to necessary to move an objective lens in a tracking direction and a focusing direction
11/26/1996US5579150 Optical recording medium using a charge transfer complex
11/26/1996US5579113 For manufacturing optical storage media
11/26/1996US5578819 Optical recorder having a signal separation circuit and a FIFO memory circuit
11/26/1996US5578415 Thin film with luster layer comprising hydrophobic binder, metallic particles and a transparent protective film; laser recording, reading
11/26/1996US5578184 Patterning process, process for producing optical recording medium, and process for producing color filter
11/21/1996WO1996036983A1 Optical transceiver
11/21/1996WO1996031875A3 Optical information recording medium, manufacturing method therefor, manufacturing apparatus therefor, and optical information recording and reproducing apparatus
11/21/1996DE19607169A1 Optical information recording medium
11/21/1996CA2220289A1 Optical transceiver
11/20/1996EP0743640A2 Audio processing unit for mixing L channel and R channel of CD/CD-I audio signal
11/20/1996EP0743636A2 Disk calibration method in CD-ROM drive system
11/20/1996EP0743613A2 Data reproduction system for reproducing and outputting multimedia information using a printer
11/20/1996EP0742924A1 Optical unit for optically scanning an information surface, and optical scanning arrangement including the optical unit
11/20/1996CN1136359A Optical disk and optical disk drive device
11/20/1996CN1136357A Multi-layer information storage system
11/20/1996CN1136331A Magneto-optical alloy sputter targets
11/19/1996US5577019 Prepulse condition/heat shut off condition determination method and apparatus for optical recording, and optical recording method and apparatus
11/19/1996US5577018 Phase changing apparatus and optical pickup apparatus for magneto-optic storage device using same
11/19/1996US5577016 Recording medium having concavo-convex pits with a maximum and a minimum pit depth depending on the wavelength of a laser light
11/19/1996US5577012 Data recording method, data recording apparatus, and data recording medium
11/19/1996US5577011 Method for preventing erroneous recording in compact disc player
11/19/1996US5577009 Tracking control system for generating a variable still jump signal
11/19/1996US5576843 System and method for controlling play of multiple dialog audio tracks of a software carrier
11/19/1996US5576084 Optical recording medium and the producing method of the optical recording medium
11/14/1996WO1996036046A1 Optical disk and production method thereof
11/14/1996WO1996035987A1 Video media security and tracking system
11/14/1996CA2218383A1 Video media security and tracking system
11/13/1996EP0742555A2 Multi track beam system and method for an optical memory
11/13/1996EP0742554A2 Optical disc readout apparatus
11/13/1996EP0742553A2 System and method for a laser feedback of an optical memory
11/13/1996EP0742552A2 Optical pickup device which can be adapted to a plurality of types of optical disks
11/13/1996EP0632922B1 High fidelity sound reproduction device for cinematographic films
11/13/1996CN1135802A Optical pick-up apparatus
11/13/1996CN1135639A Device for recording constant silence interval and method thereof
11/13/1996CN1135638A Optical-information intermediat medium and production method, equipment thereof
11/13/1996CN1135637A Information recording and replaying device
11/13/1996CN1135636A Multi-data-layer light-disk driving system having fixed aberrant correction and optimum layer space-length
11/13/1996CN1135635A Apparatus for recording information in light disk without using prefabricated light-path and method thereof
11/13/1996CN1135634A Light disk and reproducing device
11/13/1996CN1135633A Recording and or replaying device, and recording medium having performance zone and responsible document information zone
11/13/1996CN1135632A Data recording medium and recording/replaying device using said data recording medium
11/13/1996CN1033294C Optical memory material
11/13/1996CA2176289A1 Colouration of high molecular weight organic materials in the mass with soluble phthalocyanine precursors
11/12/1996US5574881 High capacity data storage method and system using independently controlled heads and circuitry for monitoring access frequency of data records
11/12/1996US5574715 Optical recording medium
11/12/1996US5574714 Amplifier with peak and bottom signal level shifting control
11/12/1996US5574713 Method for controlling an optical recording device for improved recording mark detection
11/12/1996US5574712 Detector matrix for acquiring track data from multiple tracks
11/12/1996US5574709 Automatic gain control system and information reproduction apparatus using it
11/12/1996US5574708 Data processing apparatus
11/12/1996US5574707 Pulse width control apparatus for optical disk
11/12/1996US5574706 Focus offset optimization for reading optically recorded data
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