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)
08/1998
08/18/1998US5796710 Information recording medium encoded to enable track following and method of recording
08/18/1998US5796708 Optical recording medium and recording system
08/18/1998US5796706 Information recording apparatus
08/18/1998US5796704 Optical disk apparatus and recording and reproducing method of optical recording medium
08/18/1998US5796703 Apparatus for controlling an electrical current passed to a writing device in an optical storage system
08/18/1998US5796702 Optical pickup system for an optical disc player
08/18/1998US5796701 Optical pickup and opto-magnetic signal reproducing apparatus
08/18/1998US5796700 Optical pickup to circularize light emitted from a light source
08/18/1998US5796693 Data reproduction apparatus and data reproduction method
08/18/1998US5796692 Data reproducing method and apparatus for determining the interval between pits on a recording medium from a modulated read-out signal
08/18/1998US5796691 Spindle servo system for adjusting rotational speed in optical disk player
08/18/1998US5796690 Disc controller with improved data sync and re-sync mark detection
08/18/1998US5796689 Signal processing device for optical pick-up and a semiconductor device for the optical pick-up
08/18/1998US5796688 Optical drive apparatus for use with a multilayer optical data storage device
08/18/1998US5796687 Information recording and reproducing apparatus with offset compensation circuit and method therefor
08/18/1998US5796686 Track jump control apparatus for disc reproducing system
08/18/1998US5796685 Digital servo circuit generating mirror detecting signal
08/18/1998US5796684 Reconfigurable duplicator system
08/18/1998US5796683 Magneto-optical recording device having a controllable polarizing filter
08/18/1998US5796534 Apparatus which performs an ID operation simultaneously with a servo operation using a data recording medium with the ID area recorded immediately before the servo area
08/18/1998US5796520 Chromatic aberration correcting element and its application
08/18/1998US5796487 Dark field, photon tunneling imaging systems and methods for optical recording and retrieval
08/18/1998US5796096 Fabrication and applications of long-lifetime, holographic gratings in photorefractive materials
08/18/1998US5795653 Method for polishing a diamond or carbon nitride film by reaction with oxygen transported to the film through a superionic conductor in contact with the film
08/13/1998WO1998035351A2 Disc reader optics pre-positioning method for enhancing access to cd-rom's and the like
08/13/1998WO1998035347A1 Information recording/reproducing apparatus
08/13/1998WO1998035346A1 Optical pickup device
08/13/1998WO1998035204A1 Background compensation for confocal interference microscopy
08/13/1998WO1998035203A2 Method and apparatus for performing optical measurements using a rapidly frequency-tuned laser
08/13/1998WO1998034988A1 Photostabilized cyanine dyes and optical recording medium
08/13/1998WO1998034736A1 Method and apparatus for spin-coating compact discs
08/13/1998DE19803008A1 Optical disc with tracks and bridges for recording
08/12/1998EP0858071A2 Dynamic tracking control in an optical recording system by diffraction-based mark formation detection
08/12/1998EP0857558A1 Device for manufacturing information carriers by injection moulding
08/12/1998EP0857163A1 Photo-encoded selective etching for glass based microtechnology applications
08/12/1998EP0808498B1 Overcoat for optical recording medium
08/12/1998CN1190237A Optical pickup and optical disk apparatus using the same
08/11/1998US5793872 Apparatus and method for reproducing data from a multi-scene recording medium having data units of program information items recorded alternatingly and continuously thereon
08/11/1998US5793790 Optical device
08/11/1998US5793786 Laser diode driving circuit
08/11/1998US5793779 Optical disk and method and apparatus for recording and then playing information back from that disk
08/11/1998US5793741 Optical information recording medium
08/11/1998US5793738 Optical disc
08/11/1998US5793737 Method and apparatus for writing optical recording media with optimum value of write power
08/11/1998US5793736 Optical information recording and reproducing control apparatus and control method of the same
08/11/1998US5793735 Wavefront aberration compensation in an optical data recording and reproducing apparatus with crystal liquid matrix
08/11/1998US5793734 Optical pickup device
08/11/1998US5793733 Optical pickup head apparatus
08/11/1998US5793732 Optical apparatus having reflecting porton split by an edge
08/11/1998US5793731 Apparatus and method for fabricating a deflection mirror tower
08/11/1998US5793729 CD/CD-ROM apparatus
08/11/1998US5793726 Reproduction system featuring automatic selection among multiple reproduction modes
08/11/1998US5793725 Optical information recording/reproducing apparatus having a composite prism with a plurality of emission surfaces
08/11/1998US5793723 Method and a system for adjusting optical recording device involving an optical recording medium of non-uniform heat characteristics
08/11/1998US5793722 Optical disk apparatus, tracking control circuit therefor, and method of tracking groves and lands
08/11/1998US5793721 Optical scanning apparatus for a multi-layer record carrier, including a focus control circuit
08/11/1998US5793720 Optical disk and reproducing apparatus including a focus search control device
08/11/1998US5793719 Multi-element prism for optical heads
08/11/1998US5793718 Active tracking system for optical disk storage
08/11/1998US5793715 Methods and apparatus for reducing the access time of an optical drive
08/11/1998US5793713 Magneto-optical recording device and method for judging the recorded signals by detecting magnetization states
08/11/1998US5793584 Device and method for electrostatically cleaning a disk mounted in a removable cartridge
08/11/1998US5793568 Air bearing slider deflection apparatus and method for fabricating same
08/11/1998US5793549 Methods and apparatus for synchronizing read out of data from multiple tracks of an optical storage device
08/11/1998US5793546 Data transmitting apparatus and data reproducing apparatus using format compatibility to achieve upward and downward compatibility
08/11/1998US5793407 Method and apparatus for forming a light spot smaller than a theoretical limit for high density recording
08/11/1998US5792863 Having large absorption in near infrared, reduced absorption in visible range
08/11/1998US5792860 Substituted phthalocyanides with sulfonyl substituted with amino or carboxyl groups
08/11/1998US5792538 Replacement of the metallization layer with a dielectric layer reflective of the laser frequency used for reading but transmissive of a visible spectrum of light; multi-sided
08/06/1998WO1998034223A1 Apparatus and method for scheduled playing of compact disc audio tracks
08/06/1998WO1998034222A2 Scanning device for optical discs
08/06/1998WO1998027549A3 Cd-rom drive
08/06/1998WO1998013825A3 Integrated optical head apparatus and associated methods
08/06/1998DE19723465A1 Verfahren und Vorrichtung zum Richten eines Strahls auf unterschiedliche Positionen einer Fläche sowie Verwendung der Vorrichtung Method and apparatus for directing a beam to different positions of a surface and the use of the device
08/06/1998DE19704240A1 Data storage method using colours
08/06/1998DE19703374A1 Radial movement control method for read and write head for disk drive
08/06/1998CA2278017A1 Apparatus and method for scheduled playing of compact disc audio tracks
08/05/1998EP0856840A1 Birefringence measuring apparatus for optical disc substrate
08/05/1998EP0856839A1 Apparatus for playing back optical recording medium
08/05/1998EP0856838A1 Method and device for controlling tracking of optical memory card
08/05/1998EP0856527A1 Polymers with photosensitive side chains having higher inducible birefringene
08/05/1998EP0856186A1 Information storage medium, information reproducing method, and information reproducing apparatus
08/05/1998CN1189913A Optical data storage sytem with multiple write-once phase-change recording layers
08/05/1998CN1189740A DVD audio disk reproducing device and method
08/05/1998CN1189669A Optical system for shaping beam and optical pickup employing the same
08/05/1998CN1189668A Optical readout unit and optical record media driving device containing the same
08/05/1998CN1189667A 记录介质 Recording medium
08/05/1998CN1189666A Optical disc device and optical disc discriminating method
08/04/1998US5790512 Optical information carrier
08/04/1998US5790511 For recording and reproducing information
08/04/1998US5790510 Optical component drive device including nonparallel elastic plates
08/04/1998US5790509 Driving mechanism for an optical pickup for optical disks
08/04/1998US5790506 Optical recording and reproducing device
08/04/1998US5790505 Optical data recording/reproducing method and apparatus for determing an optimum recording power
08/04/1998US5790504 Integrated optical head with an emitting light splitting polarizing prism and a detecting light splitting polarizing element
08/04/1998US5790503 Optical head
08/04/1998US5790502 Optical pickup with conversion of diffusion angle of outgoing light relative to diffusion angle of incident light
08/04/1998US5790501 Information reproducing device
08/04/1998US5790499 Method for protecting data recorded on a partial read-only memory (ROM) medium from unauthorized copying
08/04/1998US5790498 Apparatus for self-recording a compact disk reproduced signal on a video tape in a video cassette recorder/compact disk player complex system
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