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)
09/1996
09/11/1996CN1130792A Record/reproducing machine for information data
09/11/1996CN1130791A Method and apparatus for disk reproduction, and disk and cards used for disk reproduction apparatus
09/11/1996CN1130788A Objective lens driving device
09/10/1996US5555539 Multi-beam split-type optical head for use in optical disk apparatus
09/10/1996US5555538 Optical pickup
09/10/1996US5555537 Optical data storage system with multiple write-once phase-change recording layers
09/10/1996US5555304 Storage medium for preventing an illegal use by a third party
09/10/1996US5555237 Contamination detection apparatus and method using write power calibration values
09/10/1996US5555232 Optical head with built-in semiconductor laser, objective lens and 1/4 wavelength plate
09/10/1996US5555231 Information recording method, method for reproducing recorded information, and apparatus therefor
09/10/1996US5555229 Method and arrangement for recording/reproducing compressed program information on a recording medium containing a plurality of programs
09/10/1996US5555228 An optical head having a vertical flat plate shaped magnetic circuit containing a tracking coil and a focusing coil
09/10/1996US5555219 Ferroelectric material, and semiconductor memory, optical recording medium and micro-displacement control device using the ferroelectric material
09/10/1996US5554843 Optical element driving mechanism
09/10/1996US5554451 Optical data recording medium
09/10/1996US5554418 Method of forming passivation film
09/10/1996US5554326 Control method of injection molding machine
09/06/1996WO1996027143A1 A confocal optical microscopy system for multi-layer data storage and retrieval
09/06/1996WO1996020472A3 System and method for encoding a servo address
09/05/1996DE19607337A1 Optical disk device and track access control method
09/04/1996EP0730274A2 Compact disc recording system and method
09/04/1996EP0730272A2 Recording medium, apparatus and method of recording data on the same, and apparatus and method of reproducing data from the recording medium
09/04/1996EP0730271A1 Method and apparatus for recording digital signals, medium for recording digital signals, and method and apparatus for transmitting digital signals
09/04/1996EP0730268A2 Optical pickup and optical recording and reproduction apparatus
09/04/1996EP0729632A1 System for information storage and/or reproduction and cassette for information storage and/or reproduction
09/04/1996EP0729631A1 System for information storage and/or reproduction, cassette for information storage, apparatus for information storage and/or reproduction on/from a tape in a cassette
09/04/1996EP0729630A1 Record carrier, recording device and reading device
09/04/1996EP0729629A1 Multi-layer information storage system
09/04/1996EP0589041B1 Hydrogenated thermoplastic norbornene polymer, production thereof, and optical element base, optical element and lens molded therefrom
09/04/1996CN1130285A Detection for pollution degree in optical storage device
09/04/1996CN1130283A Method for determining focusing control operation position in optical disc recording/replaying device
09/04/1996CN1130282A Multi-layer information disc and its producing method
09/04/1996CN1130094A Disc replay system, karaoake system and replay method for disc
09/03/1996US5553055 Disc playback method
09/03/1996US5553054 Coarse position sensor, and method for locating same, in an optical disk drive
09/03/1996US5553053 Optical disk device including a support member for movably supporting an objective lens in focusing and radial directions with respect to an optical disk and a detecting device for detecting a position of the objective lens
09/03/1996US5553052 Inclination of an objective lens in an optical information system
09/03/1996US5553051 Increased intensity optical recording medium with adjacent grooves of different optical depth and a method and apparatus for reproducing the same
09/03/1996US5553050 Optical pickup system
09/03/1996US5553049 Reproduction of digital audio data optically recorded in a motion picture film
09/03/1996US5553046 Optical recording medium and playback method utilizing pits on track center and wobble pits
09/03/1996US5553045 Disk recording method and apparatus for indentifying and skipping defective clusters
09/03/1996US5553044 Optical recording method and apparatus for enabling interchange of dissimilar recording media
09/03/1996US5553042 Optical disk recording device
09/03/1996US5553041 Disc data reproducing apparatus and signal processing unit for preventing underflow and overflow
09/03/1996US5553040 Offset compensation apparatus for tracking error signal of optical recording reproduction apparatus
09/03/1996US5552098 Method for fabrication of disc substrate
09/03/1996US5552009 Stampers
08/1996
08/29/1996WO1996019807A3 Multilayer record carrier and device for scanning said carrier
08/29/1996WO1996018166A3 Optical unit for optically scanning an information surface, and optical scanning arrangement including the optical unit
08/28/1996EP0729153A2 Optical disk and optical disk reproduction apparatus
08/28/1996EP0729151A2 Information recording method, reproducing method, and reproducing apparatus
08/28/1996EP0729147A2 Disc player
08/28/1996EP0729145A1 Optical pickup for magneto optical recording apparatus
08/28/1996EP0729144A1 Data erasure device and data recording device
08/28/1996EP0729143A2 Optical device
08/28/1996EP0729142A1 Optical recording medium and method of manufacturing same
08/28/1996EP0729141A2 Optical recording medium and method of producing the same
08/28/1996EP0729140A2 Optical recording layers containing sulfur
08/28/1996EP0729139A1 Optical recording medium using formazan metal complex dye and photo-stabilizing method
08/28/1996EP0729138A2 Optical device
08/28/1996EP0729137A2 Optical apparatus and recording medium reproducing apparatus
08/28/1996EP0729136A1 Method of and device for writing and reading optical data by using phase transition optical medium
08/28/1996EP0728531A1 Method for forming particle layer on substrate, method for flattening irregular substrate surface, and particle-layered substrate
08/28/1996EP0510214B1 Optical disc device
08/28/1996EP0473785B1 Optical disc system and optical disc
08/28/1996CN1129992A Tracking servo device and track counting device
08/28/1996CN1032669C Disc recording/reproducing apparatus
08/27/1996US5550800 Pick-up with adaptation
08/27/1996US5550799 Device for and method of calibrating optimum recording power for recordable optical disc recording apparatus
08/27/1996US5550798 Enhanced optical beam splitter to increase the kerr rotation angle
08/27/1996US5550797 Optical reproduction signal processing circuit for producing an RF signal and a servo signal with a high signal to noise ratio even though the RF signal component and the servo signal component partially overlap in frequency distribution
08/27/1996US5550779 Holographic memory with angle, spatial and out-of-plane multiplexing
08/27/1996US5550603 Motion picture film with digital sound track
08/27/1996US5550368 Method of detecting focusing error in an optical pickup system employing a reflective knife edge to separate the optical signal for comparison
08/27/1996US5549952 Optical information medium and method for printing on the surface of the medium
08/27/1996US5549444 Loader for machine for printing objects from a stack
08/27/1996US5549435 Chamber and a chamber combination for a vacuum facility and a method for transporting through at least one workpiece
08/27/1996US5549043 Numerically controlled printing machine with rectilinear print line
08/27/1996CA2084722C Information recording and reproduction apparatus
08/22/1996WO1996025736A1 Optical disk and optical disk recording and reproducing device
08/22/1996WO1996025735A1 Optical spectroscopic information storage
08/22/1996WO1996025677A1 Convex ultra-fine particle surface structure
08/22/1996DE19505879A1 Reusable mask for precious metal PVD process
08/21/1996EP0727781A2 Data recording method
08/21/1996EP0727779A1 Optical recording method using land/groove recording and optcal recording medium therefor
08/21/1996EP0727778A1 Apparatus for printing recording media or supports in the form of discs
08/21/1996EP0727777A1 Optical pickup device
08/21/1996EP0727776A1 Objective lens driving device and optical information recording/regenerating device
08/21/1996EP0727775A2 Optical disc apparatus
08/21/1996EP0727774A1 Optical disk and recording and/or reproducing apparatus
08/21/1996EP0727074A1 Data block format for software carrier and player therefor
08/21/1996EP0598096B1 Recording media
08/21/1996CN1129489A Recording master and optically-readable data carrier derived thereof
08/21/1996CN1129337A Information recording medium and method for recording and reproducing thereof
08/20/1996US5548576 Optical recording medium and data reproducing apparatus for reproducing data from such optical recording medium
08/20/1996US5548575 Transverse control device for optical head having a pulse-driven coarse positioning actuator and a precision actuator
08/20/1996US5548573 Optical information reproducing apparatus provided with laser power control means for detecting reflected light from data region
08/20/1996US5548572 Spare and calibration sector management for optical WORM media
08/20/1996US5548570 Optical reproducing circuit having, a binarized signal pulse compensation circuit