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)
03/1999
03/30/1999US5889750 System for adjusting the spot size in an optical recording system
03/30/1999US5889749 Optical pickup apparatus
03/30/1999US5889748 Object lens and optical head for reproducing data from optical disks in different thickness of substrate
03/30/1999US5889747 Automatic editing/recording device and dubbing system loaded with the device
03/30/1999US5889742 Writable optical disc having a plurality of chapters each having recording area, management area and partition area provided therein
03/30/1999US5889641 Magneto-resistive magneto-optical head
03/30/1999US5889278 Optical communication device
03/30/1999US5888680 Recording and erasing effected by phase changes; recording by directing pulse trains to form marks, each power pulse has a power lower than erasing power and has a longer duration than the last recording power pulse of the pulse train
03/30/1999US5888433 Method of correcting nonalignment of a storage disc
03/30/1999CA2174111C Display of motion picture subtitles in a selected language during play of a software carrier
03/25/1999WO1999014935A2 Optical disc, video data editing apparatus, computer-readable recording medium storing an editing program, reproduction apparatus for the optical disc, and computer-readable recording medium storing a reproduction program
03/25/1999WO1999014764A1 Optical recording medium and optical memory device
03/25/1999WO1999014755A2 Optical disc recording apparatus, computer-readable recording medium recording a file management program, and optical disc
03/25/1999WO1999014748A2 Sealed enclosure for shipping, storing and recording an optical disc master
03/25/1999WO1999014747A1 Optical data recording using irreversible crystallographic transitions, and resulting optical medium
03/25/1999WO1998058369A3 Method and device for recording information on a carrier
03/25/1999WO1998051819A9 Methods for electronic fluorescent perturbation for analysis and electronic perturbation catalysis for synthesis
03/25/1999DE19842639A1 Recording transfer system for use with compact disc player and mini-disc player
03/25/1999DE19741594A1 Optical recording playback method
03/24/1999EP0903744A2 Optical disc, video data editing apparatus, computer-readable recording medium storing an editing program, reproduction apparatus for the optical disc, and computer-readable recording medium storing a reproduction program
03/24/1999EP0903739A2 Optical disc and optical disc apparatus
03/24/1999EP0903733A2 Optical recording medium and dipyrromethene metal chelate compound for use therein
03/24/1999EP0903732A1 Anti-copy protection for digital optical disk by means of the addition of a zone having optical properties which can be modified during reproduction
03/24/1999EP0903731A2 Optical recording medium
03/24/1999EP0902947A1 Optical disk with copy protection
03/24/1999EP0902946A2 System for copy protection of recorded signals
03/24/1999EP0902945A1 System for adjusting the spot size in an optical recording system
03/24/1999CN1211790A CD unit
03/24/1999CN1211789A Optical information recording medium and its recording regenerating method
03/24/1999CN1211787A Information recording medium, enclosing casing of information recording medium, and information recording apparatus using the same
03/24/1999CN1211786A Manufacturing method of master disk for forming optical disk
03/24/1999CN1042674C Optical recording media
03/23/1999US5887010 Semiconductor laser control circuit which sets the optical output power of a laser by means of test light emission in an area other than ALPC areas
03/23/1999US5886985 Optical recording medium having a plurality of sectors separated by sync signals
03/23/1999US5886978 Optical head apparatus
03/23/1999US5886977 Disk unit and process for assembling transmission mechanism used for driving head carriage
03/23/1999US5886973 Optical disk and playback method for setting an optimum playback beam intensity based on read playback beam intensity data
03/23/1999US5886972 Recording information in a phase change optical medium with a vertical cavity surface emitting laser
03/23/1999US5886971 Optical head structures including support substrates adjacent transparent substrates and related methods
03/23/1999US5886970 Multiple focal lens multiple focal optical pickup and optical information reproducing apparatus
03/23/1999US5886969 High-density information recording/reproducing method
03/23/1999US5886966 Optical disk vibration sensing and reproducing device
03/23/1999US5886965 Information recording apparatus, information recording medium, and information reproduction apparatus using contents information signal
03/23/1999US5886964 Optical head tracking error detection device
03/23/1999US5886963 Gain control device for servo control
03/23/1999US5886962 Tilt control apparatus with tilt target value based on bit error rate signal
03/23/1999US5886960 Optical disc system using multiple optical heads for accessing information data
03/23/1999US5886959 Thin-film electro-magnetic coil design for use in a flying magneto-optical head
03/23/1999US5886958 Information recording apparatus and method for modulated magneto-optical recording medium
03/23/1999US5886496 Tilt servo controlling apparatus
03/23/1999US5886335 Manual scanning apparatus for reading an optical code representing multimedia information
03/23/1999CA2116028C Motion picture digital sound system and method with primary sound storage edit capability
03/18/1999WO1999013470A1 Optical disc comprising a marking in particular anti-chipping, and method for making same
03/18/1999WO1999013468A1 Method for regulating a coating process
03/18/1999WO1999013467A1 Method and system for direct writing and/or editing of information carrier masters
03/18/1999WO1999013466A1 Dual data recorded compact disc
03/18/1999WO1999013465A1 Information recording medium
03/18/1999WO1999013464A1 Optical device
03/18/1999WO1999013463A2 Optical record carrier and apparatus for scanning such a record carrier
03/18/1999WO1999013462A1 Updatable optical data storage disc having reduced crosstalk between tracks, and drive for same
03/18/1999WO1998055996A3 Optical record carrier and apparatus for scanning such a record carrier
03/18/1999WO1998055995A3 Semi-manufactured stamper
03/18/1999WO1998049810A3 Data storage and/or retrieval methods and apparatuses and components thereof
03/18/1999DE19841343A1 Polymer film with helically twisted molecular structure
03/17/1999EP0902424A1 Information recording method and apparatus with suppressed mark edge jitters
03/17/1999EP0902423A2 Objective lens driving device for an optical pick-up unit
03/17/1999EP0902033A1 Spiro compound and photochromic material
03/17/1999CN1211334A Recorder
03/17/1999CN1211035A 盘驱动器 Disk drive
03/17/1999CN1211033A Optical disk molding apparatus
03/17/1999CN1211032A Column III metal nitride films as phase change media for optical recording
03/17/1999CN1211031A Signal detection method of phase-change optical disk
03/17/1999CN1211030A Record regenerating disc having saw teeth fan sector head and its record regenerating device
03/17/1999CN1211029A Method for discriminating reflectivity basic identical disk
03/16/1999US5884004 Method and an optical disc for generating a bitstream containing a plurality of video objects including video and audio data
03/16/1999US5883913 Optical device
03/16/1999US5883879 High density optical disc configuration
03/16/1999US5883878 Method of manufacturing a multilayered optical disc
03/16/1999US5883877 Optical disk having a high density recording layer and a low density recording layer
03/16/1999US5883875 Short coherent-length optical tomograph for high density volume optical data storage devices
03/16/1999US5883874 Optical pickup system for selectively reading a multiple number of optical disks
03/16/1999US5883873 Focusing distance of an objective lens according to a vertical deviation standard of optical recording media with different thicknesses
03/16/1999US5883872 Near field magneto-optical recording system employing slit illumination
03/16/1999US5883869 Optical disc reading device
03/16/1999US5883867 Optical disk device and method for replacing a defective sector within a block containing recording data and error correction data on an optical disk
03/16/1999US5883866 Disk driving system and disk driving method
03/16/1999US5883747 Recording and/or reproducing optical system and objective lens for optical information recording medium
03/16/1999US5883744 Chromatic aberration correcting element and its application
03/16/1999US5883741 Optical head device and birefringent diffraction grating polarizer and polarizing hologram element used therein
03/16/1999US5883709 Inclination monitoring system including reflection of collimated light
03/16/1999US5883660 Digital copier for two-sided reading using various writing modes
03/16/1999US5882760 Recordable optical disks with metallic interlayer
03/16/1999US5882759 Information recording medium and information memory storage
03/16/1999US5882758 Optical recording medium
03/16/1999US5882757 Phthalocyanine compound having a thermal decomposition temperature in a range of 250.degree c. to 350.degree. c., and (b) a phthalocyanine compound (ii) having a thermal decomposition temperature in a range of 350.degree. c. to
03/16/1999US5882700 Mold for molding disk, having air passages for blowing compressed air to facilitate removal of molded disk
03/16/1999US5882556 Manufacture of plastic optical articles such as video discs, ophthalmic lenses and the like, by contacting the partially cured polymer with the photochromic composition at or above the gelation point of the polymer, highly efficient and
03/16/1999US5882555 Apparatus and method for manufacturing compact discs having a non-round outer profile
03/16/1999US5882554 Method for exposing optical master disk
03/16/1999US5882493 Heat treated and sintered sputtering target
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