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)
04/1999
04/13/1999US5894584 System for writing digitized X-ray images to a compact disc
04/13/1999US5894468 Data recovery with differentiation and partial integration stages to eliminate noises and DC offset level
04/13/1999US5894467 Multiple VSEL assembly for read/write and tracking applications in optical disks
04/13/1999US5894466 Optical pickup device for accessing each of optical disks of different types
04/13/1999US5894465 Transmissive data storage media and an optical head using holographic or acousto-optical deflection
04/13/1999US5894464 Hologram optical pick-up using two laser sources
04/13/1999US5894463 Focusing servo controlling apparatus
04/13/1999US5894462 Magnetooptical disk focus and tracking servo for a magnetooptical disk servo device
04/13/1999US5894460 Magneto-optical card recording apparatus employing an initialization magnet and a recording magnet
04/13/1999US5894459 Optical recording/reproducing device having a controller for reducing vibrational noise during recording by slowing moving speed of pickup
04/13/1999US5894370 Inclination monitoring system
04/13/1999US5894209 Apparatus for and method of controlling stepping motor
04/08/1999WO1999017287A1 Device for reading or writing on optical recording media with disk type recognition means
04/08/1999WO1999017286A1 Non-mechanical recording and retrieval apparatus
04/08/1999WO1999017285A1 Improved adhesion of amorphous saturated hydrocarbon thermoplastic substrates
04/08/1999WO1999017284A1 Blue laser dvd-r disk using optical data storage materials
04/08/1999WO1999017283A1 Method and apparatus for automatically adjusting a focus bias voltage
04/08/1999WO1999017282A1 Method and apparatus for controlling a track search of an optical disc system
04/08/1999WO1999017281A1 Anti-chipping recording disc, reading method and recording head
04/08/1999WO1999017280A1 Optical disc reproducing apparatus and method for searching a track
04/08/1999WO1999016835A1 Coating composition and optical recording media
04/08/1999DE19744162A1 Writable optical storage medium useful e.g. for compact disk
04/08/1999CA2304686A1 Anti-chipping recording disc, reading method and recording head
04/08/1999CA2301593A1 Improved adhesion of amorphous saturated hydrocarbon thermoplastic substrates
04/07/1999EP0907180A2 Digital signal recording apparatus, recording method thereof, remote controlling apparatus for use therewith, remote controlling method thereof, and dubbing system for use therewith
04/07/1999EP0907168A2 Magneto-optical recording-reproducing method and apparatus
04/07/1999EP0907167A2 Optical reproducing device and optical memory medium
04/07/1999EP0907165A1 Original board for manufacturing optical disk stampers, optical disk stamper manufacturing method, and optical disk
04/07/1999EP0907164A1 Optical pickup having optical waveguide device fixed on stem with wedge-shaped device fixing member interposed and method of manufacturing the same
04/07/1999EP0907163A1 Device for reading from or writing to optical recording media
04/07/1999EP0906619A1 Device for conveying substrates
04/07/1999EP0906618A2 A method and a device for recording and/or reproducing information
04/07/1999EP0700566B1 Optical disk protection system
04/07/1999EP0469727B1 Optical disc record/playback apparatus
04/07/1999CN1213453A Closed loop servo operation for forcus control
04/07/1999CN1213452A Device for writing and/or reading optical recording medium of various designs
04/07/1999CN1213137A Tracking device with coil driven actuator and sensor coil to determine position of actuator
04/07/1999CN1213130A Optical recording medium and recording method thereof
04/07/1999CN1213129A Optical disk and method for manufacturing the same
04/07/1999CN1213128A Master disk for optical disk and method for manufacturing the same
04/07/1999CN1213127A Device for reading from and/or writing to optical recording media
04/07/1999CN1213126A Planar array type high-density optical disk data storage reader and its design method
04/07/1999CN1213125A Optical disc device and optical disk
04/07/1999CN1213124A Recording apparatus, recording method, and disc-shaped record medium
04/06/1999US5892752 Optical recording medium and reproducing method and apparatus having offset preformat data
04/06/1999US5892751 Optical disk having an evaluation pattern for evaluating the optical disk
04/06/1999US5892749 Optical head device for reading two optical disks
04/06/1999US5892748 Optical pickup for reading or recording information on a recording surface
04/06/1999US5892746 System for recording and/or reproducing a pulse code modulation digital audio signal
04/06/1999US5892745 System and method to compensate for data defects within a magneto-optical computer memory device
04/06/1999US5892744 Optical disk drive tracking error detection unit
04/06/1999US5892743 Information reproducing method and apparatus with servo characteristic change for sound reproduction
04/06/1999US5892742 Optical storage apparatus
04/06/1999US5892741 Information recording medium and tracking error signal detection apparatus and magnetic recording apparatus and method of adjusting the magnetic recording apparatus
04/06/1999US5892740 Optical disk drive and optical disk having address pits for sectors in land and groove tracks
04/06/1999US5892739 In system for creating reading and writing on rotatable information storage media, an apparatus for multilayer source positioning using the laser source as a detector
04/06/1999US5892629 Objective lens actuator
04/06/1999US5892628 Optical system supporting device
04/06/1999US5892601 Multiplex holography
04/06/1999US5892042 Acridine derivative metal complexes used for transparent recording medium or optical recording medium
04/06/1999US5891542 Optical recording material, and optical recording medium
04/06/1999CA2165121C Method of and apparatus for recording and reproducing optical information
04/01/1999WO1999016074A1 Method for playing back a recording medium
04/01/1999WO1999016071A1 Pickup base transferring device for disc player
04/01/1999WO1999016069A1 Disc reproduction apparatus
04/01/1999WO1999016063A1 Aperture stop for a flying optical head
04/01/1999WO1999016062A1 Method for producing an optical storage disc and appropriate cd-r disc blank for the production thereof
04/01/1999WO1999016061A1 Apparatus and method for differential wax-wane focusing and push-pull tracking for magneto-optical data storage
04/01/1999WO1999016060A1 Embedded multimedia control code method and apparatus
04/01/1999WO1999016009A1 Latent illuminance discrimination marker and system for data storage cartridges
04/01/1999WO1999015925A1 A fiber bundle switch
04/01/1999WO1998053452A9 Device for drying substrates
04/01/1999DE19739794A1 Verfahren zur Regelung eines Beschichtungsvorgangs Method for regulating a coating process
04/01/1999CA2304667A1 Embedded multimedia control code method and apparatus
03/1999
03/31/1999EP0905900A1 Driving circuit for light emitting diode
03/31/1999EP0905699A2 Optical disc recording apparatus, computer-readable recording medium recording a file management program, and optical disc
03/31/1999EP0905698A1 A system for writing digitized x-ray images to a compact disk
03/31/1999EP0905694A1 Tracking device with a coil driven actuator and a sensor coil to determine a position of the actuator
03/31/1999EP0905691A2 Optical disc drive and method of examining the optical disc drive
03/31/1999EP0905690A2 Optical disc drive and method of compensating the time information from the optical disc
03/31/1999EP0905685A1 Optical recording method and optical recorder
03/31/1999EP0905684A2 Master disk for optical disk and method for manufacturing the same
03/31/1999EP0905683A2 Optical disk device and optical disk
03/31/1999EP0905202A1 Photostabilized cyanine dyes and optical recording medium
03/31/1999EP0904952A1 Ablation image forming method
03/31/1999EP0904586A2 Optical recording method and apparatus using this method
03/31/1999EP0904192A1 Device for bending a flat, round disk element
03/31/1999CN1212781A Method of designing phase-change optical recording medium, and phase-change optical recording medium
03/31/1999CN1212780A Focusing device and optical disc using the same
03/31/1999CN1212769A Printing method, printer, printed matter and optical disk
03/31/1999CN1212423A Method and apparatus for testing quality of optical disk medium
03/31/1999CN1212422A Dubbing system, controlling apparatus thereof, and dubbing controlling method
03/31/1999CN1212421A Method for initializing optical data storage media and apparatus therefor
03/31/1999CN1212420A Optical disk for information recording regeneration and information recording regenerator using the same
03/30/1999US5890187 Storage device utilizing a motion control circuit having an integrated digital signal processing and central processing unit
03/30/1999US5889757 Laminated optical disc and turntable for the laminated optical disc
03/30/1999US5889756 Optical recording layer is particles of optical recording material dispersed in a dielectric matrix; maxwell garnett absorption of amorphous state must be less than or equal to crystalline state's absorption; overwrite repeatability
03/30/1999US5889755 Pickup adjusting apparatus of an optical disk player
03/30/1999US5889752 Optical pickup apparatus with a crosstalk balance detecting circuit
03/30/1999US5889751 Method for optically controlling an optical device and an optical control device utilizing the method