Patents
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)
12/1998
12/01/1998US5843626 Method for manufacturing a master disc for optical discs
12/01/1998US5843591 Polymeric metal oxide materials and their formation and use
12/01/1998US5843553 High performance media for optical recording
12/01/1998US5843257 Method of developing an adhesive and a rotary holding table for carrying out the same method
12/01/1998CA2123831C Cross-talk canceller for optical disk reading mechanism
11/1998
11/26/1998WO1998053455A2 System and method for cleaning head assemblies and data storage disks
11/26/1998WO1998053452A1 Device for drying substrates
11/26/1998WO1998053451A1 Archival imaging and method therefor
11/26/1998WO1998053450A2 Device for optically scanning a record carrier
11/26/1998WO1998053449A1 An optical pickup actuator and its damping device
11/26/1998WO1998053448A1 Three-dimensional optical memory with fluorescent photosensitive material
11/26/1998WO1998038635A3 Time displacement of phase referenced measurement
11/26/1998WO1998037554A3 Methods and apparatus for synchronously reading multiple tracks of an optical storage medium using multiple reading beams
11/26/1998WO1998036411A3 Method and device for writing an optical record carrier
11/26/1998WO1998035351A3 Disc reader optics pre-positioning method for enhancing access to cd-rom's and the like
11/26/1998WO1998028320A3 Affinity based self-assembly systems and devices for photonic and electronic applications
11/26/1998DE19721689A1 Vorrichtung zum Trocknen von Substraten A device for drying substrates
11/26/1998DE19711049C1 Method of manufacturing spatial microstructures in transparent materials by laser radiation e.g. for 3-D optical data storage
11/26/1998CA2300982A1 Three-dimensional optical memory with fluorescent photosensitive material
11/26/1998CA2291088A1 Archival imaging and method therefor
11/25/1998EP0880133A1 Optical disk apparatus and accessing methods, and disk cartridges for housing optical disks
11/25/1998EP0880132A2 Pre-pit detecting apparatus and method
11/25/1998EP0880131A2 Apparatus and methods for recording and/or reproducing data on to and/or from optical disks and disk cartridges for such disks
11/25/1998EP0880130A2 Optical disk having increased erasure efficiency
11/25/1998EP0880129A1 Optical disk, optical disk device, and method of reproducing information on optical disk
11/25/1998EP0879533A1 Video media security and tracking system
11/25/1998EP0580864B1 Data recording medium, data recording apparatus, data reproducing apparatus and data recording/reproducing apparatus
11/25/1998CN1200181A System for photographically recording digital data and analog soundtrack and medium having digital data and analog soundtrack recorded thereon
11/25/1998CN1199903A Device for writing to or reading from optical recording media
11/25/1998CN1199876A Microparticle composite material containing fluorinated carbon particle and its application
11/25/1998CN1199750A Composite material containing fluorinated carbon particle and its application
11/24/1998US5841861 Optical recording medium and reproducing apparatus for optical recording medium
11/24/1998US5841793 Optical reproduction system having function of rationally changing error data chunk and reproducing multimedia information as code data
11/24/1998US5841757 Optical disk having a large storage capacity
11/24/1998US5841755 Magnetooptical information recording and reproducing apparatus which reproduces information by detecting only portions of light from a recording medium not shielded by a shielding device
11/24/1998US5841754 Optical pickup device having an objective lens and auxiliary lenses exterior thereof
11/24/1998US5841753 Multi-layer information storage system with improved aberration correction
11/24/1998US5841751 Recording-medium driving apparatus and recording-medium driving method with playback signal defect detector
11/24/1998US5841748 Optical disk device and replacement processing method
11/24/1998US5841747 For recording and reproducing a signal
11/24/1998US5841746 Apparatus for scanning an optically readable record carrier
11/24/1998US5841745 Method and apparatus for eliminating disturbances encountered during scanning of an information carrier
11/24/1998US5841742 Optical disk unit using a single demodulator circuit for demodulating two disk players
11/24/1998US5841739 Accessing method and apparatus for use in hybrid optical recording device
11/24/1998US5841593 Optical system supporting device with flowable damping material
11/24/1998US5841513 Apparatus for reproducing sound signals recorded on a motion picture film with digital sound track
11/24/1998US5840466 Optical recording media and their production methods
11/24/1998US5840395 Optical information recording medium and method for producing same
11/24/1998US5840365 Method and apparatus for spin-coating compact discs
11/19/1998WO1998052193A1 Optical disc data storage system using optical waveguide
11/19/1998WO1998052192A1 Method for machining master optical disk and mastering device
11/19/1998WO1998052191A1 Cd with auxiliary electronic circuitry
11/19/1998WO1998052021A1 Grating based phase control optical delay line
11/19/1998WO1998052019A1 Ellipsometer with two lasers
11/19/1998WO1998051819A1 Methods for electronic fluorescent perturbation for analysis and electronic perturbation catalysis for synthesis
11/19/1998WO1998051721A1 Homopolymers with high photoinduceable double refraction
11/19/1998WO1998051661A1 Aminium compounds and optical recording media containing the same
11/19/1998DE19720288A1 Homopolymere mit hoher photoinduzierbarer Doppelbrechung Homopolymers with high birefringence photoinduzierbarer
11/19/1998CA2288673A1 Ellipsometer with two lasers
11/18/1998EP0878801A2 Image processing apparatus and method
11/18/1998EP0878800A2 Disk device and disk device calibrating method
11/18/1998EP0878799A2 Quick format for rewritable compact disks
11/18/1998EP0878792A2 Coded data reading and recording apparatus
11/18/1998EP0878005A1 Multihead recording and retrieval apparatus and procedure for use with self-timing optical lathe or pre-formatted discs
11/18/1998EP0878004A1 A cleaning device and cleaning method
11/18/1998EP0878003A1 Multiple-layer optical disc and apparatus
11/18/1998CN1199490A Information carrier, reading/writing device and reading device for writing and/or reading information blocks
11/18/1998CN1199225A Disk device and disk device calibrating method
11/18/1998CN1199223A Digital signal reproducing circuit
11/18/1998CN1199219A Optical pickup compatible with digital versatile disk and recordable compact disk using holographic ring lens
11/18/1998CN1199218A Objective drive and its making method
11/18/1998CN1199217A Optical track detecting circuit for CD reproducing device
11/17/1998US5838666 Recording medium management method where recording is carried out by data recording units in accordance with management tables
11/17/1998US5838658 Optical disc
11/17/1998US5838657 High density optical disc and optical disc player
11/17/1998US5838656 Optical disk system having an objective lens with a numerical aperture related to the thickness of the protective layer
11/17/1998US5838654 Optical recording medium having a specified range of pit widths and pit depths
11/17/1998US5838653 Multiple layer optical recording media and method and system for recording and reproducing information using the same
11/17/1998US5838652 Data processing optical head apparatus
11/17/1998US5838651 Optical read-out head capable of improved read-out of media with different pit heights
11/17/1998US5838650 Image quality compensation method and apparatus for holographic data storage system
11/17/1998US5838649 Apparatus for demodulating digital FM signal in an optical disc device
11/17/1998US5838646 Optical disk having a protective layer of specified thickness relative to the numerical aperture of the objective lens
11/17/1998US5838503 Optical component
11/17/1998US5838502 Objective lens for optical pickup apparatus
11/17/1998US5838497 Lens for use in an optical recording device
11/17/1998US5838467 Method for processing information stored in a holographic system
11/17/1998US5838444 Magneto-optic characteristic measuring apparatus
11/17/1998US5838024 Image forming system
11/17/1998US5838020 Method and apparatus for storing data using spin-polarized electrons
11/17/1998US5837424 Optical storage medium and process
11/17/1998US5837319 Coating a solvent liquid on compact disk, spinning the substrate, accelerating the rotation speed in two step at different velocities, desolventizing and forming a uniform layer
11/17/1998CA2061187C Congruent state changeable optical memory material and device
11/16/1998CA2237949A1 Image processing apparatus and method
11/12/1998WO1998050916A1 Device and method for manufacturing an optical recording medium
11/12/1998WO1998050915A1 Optical recording medium and method of information recording/reproduction using the same
11/12/1998WO1998050914A1 An optical memory device and a method of manufacturing thereof
11/12/1998WO1998050913A1 Optical pickup device
11/12/1998WO1998050912A2 Method and apparatus for writing optical recording media
11/12/1998WO1998050911A2 Information processing with a plurality of optical discs