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)
11/1999
11/04/1999WO1999046766A3 Optical read/write apparatus
11/04/1999WO1999040574A3 Arrangement for reading information from a magnetic record carrier
11/04/1999DE19818478A1 Vorrichtung zum Fixieren von Substraten A device for fixing substrates
11/04/1999CA2329118A1 Device for fixing substrates
11/03/1999EP0953981A2 Text information reproducing apparatus
11/03/1999EP0953977A1 Recording medium for storing real time recording/reproduction information, method and apparatus for recording and reproducing in real time and file operating method using the same
11/03/1999EP0953975A2 Optical pickup device
11/03/1999EP0953974A2 Method and apparatus for aberration correction
11/03/1999EP0953859A2 Detection of focal point by means ot two split sensors at different positions along the optical axis
11/03/1999EP0953605A2 Flow improved polycarbonate composition
11/03/1999CN1234131A Optical disc having oscillating lands and grooves
11/03/1999CN1233833A Disc cartridge
11/03/1999CN1233825A Optical picking-up device
11/03/1999CN1233824A Method and device for regenerating CD recording
11/03/1999CN1233823A Objective lens driving device
11/03/1999CN1233822A Optical disk reproducing method and optical disk reproducing system
11/03/1999CN1046171C Optical recording medium having dual information surface
11/02/1999US5978404 Laser beam emission apparatus
11/02/1999US5978351 Optical recording medium with recording control information
11/02/1999US5978350 Optical disc and optical disc driving device
11/02/1999US5978349 Optical recording medium
11/02/1999US5978348 Optical recording medium and process for production thereof
11/02/1999US5978347 Optical pickup apparatus
11/02/1999US5978346 Optical head
11/02/1999US5978345 Astigmatic difference correcting method for optical head and apparatus therefor
11/02/1999US5978344 Method of manufacturing integrated optical pick-up
11/02/1999US5978343 Multiple track scanning method for optical pickup
11/02/1999US5978337 Optical record medium judging method and apparatus and focus servo controlling method and apparatus
11/02/1999US5978336 Optical disk finalization method and optical disk finalization apparatus
11/02/1999US5978335 Integrated calibration apparatus for a multi-mode information storage system
11/02/1999US5978334 Sampling timing for a reflected write signal
11/02/1999US5978333 Recording/reproducing apparatus and method
11/02/1999US5978332 Optical recording medium, tilt detector, optical disk drive, tilt detecting method, and tilt correcting method
11/02/1999US5978331 Apparatus and method for focus control
11/02/1999US5978330 Optical storage device made thinner by substituting electrical means for capabilities of sensors
11/02/1999US5978329 Technique for closed loop servo operation in optical disc tracking control
11/02/1999US5978328 Focus control device to perform focus control for a multi-layer recording medium
11/02/1999US5978327 Optical recording medium for land-and-groove recording system
11/02/1999US5978326 Information processing apparatus using an offset signal to control the position of a probe
11/02/1999US5978139 Diffraction grating lens and optical disk recording/reproducing apparatus using the same
11/02/1999US5978112 Non-volatile readout of shift multiplexed holograms
11/02/1999US5978109 Superresolution scanning optical device
11/02/1999US5978108 Two-step gated holographic recording in photorefractive materials using cw lasers
11/02/1999US5977351 Benzpyrylium squarylium and croconylium dyes, and processes for their preparation and use
11/02/1999US5976717 Coating comprising a photochromic material, a method for its production as well as its use
11/02/1999US5976659 Optical disk and method of manufacturing optical disk
11/02/1999US5976658 Optical information recording medium
11/02/1999US5976657 Optical recording medium
11/02/1999US5976641 Intermetallic target
11/02/1999US5976638 Optical recording medium comprising a homeotropically oriented liquid crystalline polymer film comprising dichroic dye
11/02/1999US5976617 Initialization method of phase transformation-type optical disk
11/02/1999US5976329 Galvanic deposition cell with an adjusting device
10/1999
10/28/1999WO1999054875A2 Rewritable optical information medium
10/28/1999WO1999054874A1 Optical pickup device and optical disk recording and/or reproducing device
10/28/1999WO1999054873A1 Optical scanning device comprising a main lens and an auxiliary lens
10/28/1999WO1999054872A1 Optical scanning device comprising a lens system with a compact actuator
10/28/1999WO1999054871A1 Optical support for the non-volatile memorisation of data and processes for its manufacturing
10/28/1999WO1999054774A1 Method of manufacturing a lens system comprising two lens elements
10/28/1999WO1999054771A1 System and method for efficient coupling between optical elements
10/28/1999WO1999054761A1 Structure for micro-machine optical tooling and method for making and using
10/28/1999WO1999054378A1 Optical articles comprising isosorbide polyesters and method for making same
10/28/1999WO1999054127A1 Use and manufacturing applications of polymer/dye-based thin layer coatings for enhancement of the quality of recording on and readout from the optical storage media
10/28/1999WO1999054116A1 Method and apparatus for assembling an optical recording medium
10/27/1999EP0952736A1 Reproducing recording media
10/27/1999EP0952577A2 Power saving system for optical disc recording/reproducing apparatus
10/27/1999EP0952575A2 Output control device for optical pick-up and method for controlling output of the optical pick-up
10/27/1999EP0952574A1 Optical disk recording/reproducing method and apparatus
10/27/1999EP0952573A2 Recording medium for storing defect management information for recording real time data, defect managing method therefore, and real time data recording method
10/27/1999EP0951717A1 REWRITABLE OPTICAL INFORMATION MEDIUM OF A Ge-Sb-Te ALLOY
10/27/1999EP0951716A2 Optical scanning device
10/27/1999EP0951384A1 Methods of marking digital compact discs as a means to determine its authenticity
10/27/1999EP0721602B1 Retardation layer having a dispersion adapted to the active liquid-crystalline cell
10/27/1999EP0693188B1 Switchable lens
10/27/1999CN2346036Y Auxiliary assembly of optical disk
10/27/1999CN1233339A Optical recording medium comprising a cross-linked buffer layer
10/27/1999CN1233053A Error correction apparatus
10/27/1999CN1233052A Recording medium for storing defect management information for recording real time data, defect managing method therefor, and real time data recording method
10/27/1999CN1233051A Information recording method and apparatus, information reproducing method and apparatus
10/27/1999CN1233047A Information recording/reproducing apparatus
10/27/1999CN1233046A Device for reading from and/or writing to optical recording media
10/27/1999CN1233044A Optical disc, tracking controlling apparatus and method, and focus controlling apparatus and method
10/27/1999CN1233043A Method for generating land/groove switching signal from polg type disc and apparatus therefor
10/27/1999CN1233042A Optical information recording media and its recording regenerating method
10/27/1999CN1233041A Method of and apparatus for optical information reproduction
10/27/1999CN1046043C Optical pickup system with beam splitting device using as knife shape edge
10/26/1999US5974581 Information recording method, reproducing method, and reproducing apparatus
10/26/1999US5974025 Optical recording medium and recording and reproducing method using the same
10/26/1999US5974023 Information recording medium, information recording method and information recording apparatus
10/26/1999US5974022 Dividing marks in optical media to decrease adjacent track crosstalk
10/26/1999US5974021 Determination of optimal recording power in optical disk recording and retrieving device
10/26/1999US5974020 Two-wavelength laser pick-up head for a DVD
10/26/1999US5974019 Optical system for two-dimensional positioning of light beams
10/26/1999US5974018 Apparatus for and method of recording information on recording media
10/26/1999US5974013 Disc reproducing apparatus and head position calculating method
10/26/1999US5974011 Light beam condensing apparatus and method of driving optical recording medium by applying the apparatus
10/26/1999US5974010 Mirror signal arithmetic circuit in an optical disk drive
10/26/1999US5974009 Focus control device and method for use in multilayer optical disk reproduction system
10/26/1999US5974007 Apparatus for moving a carriage assembly from an initial position to a target position
10/26/1999US5974006 Method for reading CD-ROM
10/26/1999US5973806 System and method for steering Fresnel region data using cylindrical coordinates to access data locations in a holographic memory
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