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)
03/1998
03/24/1998US5732185 Multi-scene recording medium and apparatus for reproducing data therefrom
03/24/1998US5732101 VCSEL device and optical pickup apparatus adopting the same
03/24/1998US5732066 Optical record carrier and method for recording and reproducing signals therefrom
03/24/1998US5732065 Optical information carrier including standard and high density layers
03/24/1998US5732062 Information recording apparatus, method and computer program product
03/24/1998US5732061 Recording method using trial write test pattern
03/24/1998US5732060 Optical pickup and optical recording medium reproducing apparatus having a wire grid unit
03/24/1998US5732055 Optical storage apparatus
03/24/1998US5732054 Combined tracking position and tilt sensor for optical recording actuator
03/24/1998US5732052 Optical information recording and/or reproducing apparatus capable of selecting one of focusing error signals depending upon operating mode
03/24/1998US5732051 Focusing control apparatus using dynamic target value in relation to land/groove
03/24/1998US5732050 Recording and reproducing apparatus
03/24/1998US5731901 Dual focusing optical pickup device
03/24/1998US5731890 Aromatic rings with rotated adjacent chromophores
03/24/1998US5731871 Light quantity measuring device that can accurately measure quantity regardless of polarization of measured light
03/24/1998US5731054 Mixtures of low K metallized formazan dyes with symmetrical and unsymmetrical cyanine dyes
03/24/1998US5730573 Clean transfer method and apparatus therefor
03/19/1998WO1998011542A1 Protective cover for an optical disc
03/19/1998WO1998011539A1 Machine-readable optical disc with reading-inhibit agent
03/19/1998WO1998011078A1 Materials for optical storage devices
03/19/1998WO1998011077A1 Materials for chirooptical devices
03/19/1998WO1998003973A3 Improvements in and relating to optically readable discs and disc recording apparatus
03/19/1998WO1998001854A3 Device for scanning information tracks on a record carrier
03/18/1998EP0829952A2 Colpitts type oscillator having reduced ringing and optical disc system utilizing same
03/18/1998EP0829869A2 Optical disc system having a current monitoring circuit for a magnetic bias coil and a controller for a laser driver and method for operating same
03/18/1998EP0829868A1 Method of manufacturing glass masters with a graphical image
03/18/1998EP0829867A2 Phase-change type optical recording medium and method of optically recording with the same
03/18/1998EP0829866A2 Optical information recording medium
03/18/1998EP0829865A2 Information recording and/or reproducing apparatus
03/18/1998EP0829864A2 Information recording and/or reproducing apparatus
03/18/1998EP0829863A2 Optical pickup
03/18/1998EP0829862A2 Optical head
03/18/1998EP0829861A2 Servo control system for information storage device
03/18/1998EP0829860A2 Focus capture method for optical disc system using detection of Quad Sum signal
03/18/1998EP0829859A2 Optical disc system including focus capture assembly with focus error signal circuit and method for operating same
03/18/1998EP0829858A2 Optical disc system having servo motor and servo error detection assembly operated relative to monitored Quad Sum signal
03/18/1998EP0829857A2 Focus error detection system for an optical head
03/18/1998EP0829856A1 Optical recording medium, recording and reproducing method and tracking error generating method
03/18/1998EP0829855A1 Optical recording medium, recording and reproducing method and tracking error generating method
03/18/1998EP0829854A1 Optical recording medium, recording and reproducing method and tracking error generating method
03/18/1998EP0829082A1 Optical data storage
03/18/1998EP0828709A1 Novel physically functional materials
03/18/1998CN1176705A Optical disk
03/18/1998CN1176454A Information recording carrier using surface and slot
03/18/1998CN1176453A Optical pickup tilt adjustable disk player
03/18/1998CN1176452A Optical recording and reproducing device
03/18/1998CN1176450A Apparatus for self-recording compact disk reproducing signal in video casette recorder/compact disk player complex system
03/17/1998US5729650 Multi-scene recording medium and apparatus for reproducing data therefrom
03/17/1998US5729533 Two-sided, light-readable information recording disc stacks and methods of making same
03/17/1998US5729525 Two-layer optical disk
03/17/1998US5729523 Recording medium, recording method, recording/reproducing apparatus, and cutting apparatus
03/17/1998US5729522 Optical pickup apparatus
03/17/1998US5729521 Optical head unit for guiding a light beam more reliable to a center of a track of an optical disk
03/17/1998US5729520 Inspection of an optical disc with a light beam which is reflected by the disc and exposed to two photosensitive receivers
03/17/1998US5729519 Optical head including a semiconductor laser having a non-scatter area to diffuse incident light beams
03/17/1998US5729518 Digital signal reproducing apparatus and method for correctly reproducing recorded data even if both random noise and signal distortion co-exist
03/17/1998US5729515 Disc data reproducing apparatus and signal processing circuit for reproducing and processing disc data having a plurality of type data
03/17/1998US5729514 Cross talk removing device utilizing signal from main track to subtract amplitude adjusted signals from adjacent tracks
03/17/1998US5729513 Data storage apparatus for recording and reproducing information on a recording medium by rotating the recording medium at different angular velocities
03/17/1998US5729512 Magnification and tracking error correction system for multiple track optical disk reader
03/17/1998US5729511 Optical disc system having servo motor and servo error detection assembly operated relative to monitored quad sum signal
03/17/1998US5729510 Optical head used for recording on optical recording medium having various thicknesses, warpage and the like
03/17/1998US5729509 Track crossing control for double optical disk drive device
03/17/1998US5729406 Lightweight actuator in a computer mass memory storage device
03/17/1998US5729393 Optical flying head with solid immersion lens having raised central surface facing medium
03/17/1998US5729364 Ion and impurity concentration optimization in photorefractive media for dynamic and fixed holography
03/17/1998US5729122 Unit using IC device having constant-current circuitry
03/17/1998US5728441 Recordable/replayable optical recording medium and optical recording method therefor
03/17/1998US5728250 Method and apparatus for manufacturing bonded disks
03/17/1998US5728240 Portion made of material having shape memory effect
03/14/1998CA2185477A1 Protective cover for an optical disc
03/12/1998WO1998010419A1 Optical recording method and optical recorder
03/12/1998WO1998010418A1 Single surfaced super-density optical discs
03/12/1998WO1998010417A1 Injection molding of compact discs
03/12/1998WO1998010416A1 Optical recording medium comprising a cross-linked buffer layer
03/12/1998WO1998010415A1 Information carrier, reading/writing device and reading device for writing and/or reading information blocks
03/12/1998WO1998010268A1 Glass master surface inspector
03/12/1998WO1998009823A1 Optical information recording medium, its manufacturing method, optical information recording/reproducing method and optical information recorder/reproducer
03/12/1998WO1998009814A1 Prestressed bonding system for double-sided compact discs
03/12/1998WO1998009806A1 Stamper for two layered disc
03/12/1998DE19720156A1 Carrier system for optical scanning head
03/12/1998DE19636595A1 Optical reading method for optical discs
03/11/1998EP0828245A2 Optical recording medium
03/11/1998EP0828244A2 Optical pickup using an optical phase plate
03/11/1998EP0827974A1 Epoxy resin composition and optical information recording medium made by using the same
03/11/1998EP0827621A1 Optical mass storage device, with data recording light-sensitive layer
03/11/1998CN1176013A Optical disk drive
03/11/1998CN1175760A Optical disk and recording/reproducing device thereof
03/11/1998CN1175759A Information recording medium
03/11/1998CN1175758A Disc recording and/or reproducing apparatus and optical pickup apparatus
03/11/1998CN1175757A Coma aberration correcting method and apparatus in optical pickup
03/11/1998CN1175756A Disk discrimination method for digital versatile disk system
03/11/1998CN1175600A Low-birefringent organic optical component and spirobiindan polymer
03/11/1998CN1037717C Eccentricity compensator for optical disk player and compensating method therefor
03/11/1998CN1037688C Process for preparation of polycarbonates
03/10/1998US5727226 Method and apparatus for modulation of multi-dimensional data in holographic storage
03/10/1998US5727111 Optical pick-up and light detecting cover therefor
03/10/1998US5727009 Semiconductor laser apparatus and optical pickup apparatus using the same
03/10/1998US5726970 Multi-layer optical recording medium
03/10/1998US5726969 Optical recording medium having dual information surfaces
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