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)
11/1996
11/12/1996US5574704 Header searching method and apparatus in a data recording medium
11/12/1996US5573885 Image forming method and recording medium
11/12/1996US5573847 Magneto-optic disk exhibiting a phase shift between plus and minus twelve degrees and a reflectivity between fifteen and twenty-five percent
11/12/1996US5573831 Optical recording medium
11/12/1996US5573023 Single wafer processor apparatus
11/12/1996CA2071469C Amorphous phthalocyanine compound or mixture of amorphous phthalocyanine compounds, and method for preparing same
11/07/1996WO1996028816A3 Device for optically scanning a recording medium
11/07/1996DE19532110C1 Clamping frame esp. for holding compact discs when printing onto surface
11/06/1996EP0741508A2 Apparatus and method for suppression of electromagnetic interference
11/06/1996EP0741385A1 Compactdisc with high representative value
11/06/1996EP0741383A2 Optical information recording medium
11/06/1996EP0741382A1 Marking generating apparatus, method of forming laser marking on optical disk, reproducing apparatus, optical disk and optical disk producing method
11/06/1996EP0741343A1 Multiplex holography
11/06/1996EP0740831A1 Disc-like record carrier, recording and/or reading apparatus for recording/reading information in the record carrier
11/06/1996CN1135075A Optical pickup device
11/06/1996CN1135074A Lens Moving apparatus
11/06/1996CN1135072A ptical disk and optical disk reproduction apparatus
11/05/1996US5572508 Optical disc having square information pits arranged in symmetrical patterns
11/05/1996US5572507 Optical disc, device for checking optical disc, and device for recording information on optical disc
11/05/1996US5572506 Optical information recording medium with gap area capable for preformatting with a specified pattern
11/05/1996US5572504 Early brake driving method of disk system and circuit thereof
11/05/1996US5572503 Correcting non-linear distortions of optical information with a non-linear equalizer
11/05/1996US5572502 Optical disk apparatus
11/05/1996US5572501 Optical pickup actuator focus control with reference to a focus zero detection signal and a focus servo drive zero detection signal
11/05/1996US5572500 Optical filter with light transmittance dependency on incident angle
11/05/1996US5572495 Optical recording and reproducing system using servo control, switches and control circuitry
11/05/1996US5572494 Device for detecting traveling speed of pickup
11/05/1996US5572493 Optical disk information recording apparatus and reproducing apparatus having a plurality of read or write beams
11/05/1996US5572492 Optical recording and reproducing method utilizing recording medium including recording regions formed by localized co-melted mixture of non-reactant materials
11/05/1996US5572399 Information processing apparatus having CD-Rom device
11/05/1996US5572367 Aspheric lens for simultaneously collimating and shaping a laser diode beam
11/05/1996US5572323 Infinitesimal displacement measuring apparatus and optical pick-up unit
11/05/1996US5571629 Optical recording medium
11/05/1996US5571041 Method for repairing/refinishing an audio and video compact disk
11/05/1996CA2085756C Optical disk apparatus
10/1996
10/31/1996WO1996034389A2 System for storing and reproducing information
10/31/1996WO1996034065A1 Ultraviolet-curing adhesive composition
10/31/1996DE19616976A1 Diskette unit adaptable for different types of discs
10/31/1996DE19607166A1 Photoresist coating appts. for semiconductor integrated circuit mfr.
10/31/1996DE19605598C1 Substrate hold and release mechanism for vacuum chamber
10/30/1996EP0740295A1 Optical pickup apparatus and optical disk drive apparatus
10/30/1996EP0740294A1 Optical head
10/30/1996EP0740293A2 Tracking servo circuit
10/30/1996EP0740292A2 Digital servo circuit generating mirror detecting signal
10/30/1996EP0740291A2 Optical information recording medium; optical information recording/reproducing apparatus using the medium, and master disk exposure apparatus for producing the same
10/30/1996EP0740290A2 Recording medium having first tracks and second tracks at different levels and with different recording formats
10/30/1996EP0740289A1 Optical information recording medium
10/30/1996EP0302119B1 Method for recording and reproducing data for an optical card
10/29/1996US5570340 Disk recording medium and method which uses an order table to correlate stored programs
10/29/1996US5570339 Optical disc and a recording and/or reproducing apparatus having copy-protection function
10/29/1996US5570338 Optical information recording medium which uses diffraction grating
10/29/1996US5570335 Reproducing waveform correction circuit for optical information recording/reproducing system
10/29/1996US5570334 Optical pickup with a double refraction polarizing plate to split light beams into two polarized beams
10/29/1996US5570333 Head device for magneto-optical disk
10/29/1996US5570331 Method of and apparatus for detecting end of reproduction of main data recorded on information record medium, and system for reproducing information record medium
10/29/1996US5570330 Optical disk apparatus utilizing exclusively allocated servo signal processing registers
10/29/1996US5570328 Optical scanning device with coarse and fine scanning control
10/29/1996US5570009 Constant-Current circuitry, IC device driver using same, and unit using the device
10/29/1996US5569517 Diameter of beam spot is reduced, mask formed of a material that can undergo crystal to crystal transition
10/29/1996US5569504 Write once disk, phthalocyanine dye
10/29/1996CA2057967C Optical disk drive
10/24/1996WO1996033490A1 Data-reading process
10/23/1996EP0739099A1 Method and apparatus for decoding RLL modulated data using tables of reduced sizes
10/23/1996EP0739008A1 Apparatus for recording and reproducing information
10/23/1996EP0739003A2 Compatible recording and/or reproduction apparatus
10/23/1996EP0739002A1 Optical disk player with digital servo-control circuit
10/23/1996EP0738728A2 Ionic spiropyran compound and photochromic material conjugated it with clay
10/23/1996EP0738574A1 Molded article and process for producing the same
10/23/1996EP0738573A2 Stamper for forming sound recordings and method of manufacturing
10/23/1996EP0738563A2 Method for producing a cylindrical buff
10/23/1996CN1134012A Optical disk
10/23/1996CN1134011A Pit/track discriminating circuit
10/23/1996CN1133855A Dihydroxy compound mixtures and polymers thereof
10/22/1996US5568467 Information recording format having a plurality of bands with independent read and write control data
10/22/1996US5568465 Reading from record medium in either an inverted or non-inverted signal-processing mode
10/22/1996US5568464 Semiconductor laser driving apparatus utilizing three current sources to control read and write light power
10/22/1996US5568463 Semiconductor laser device to detect a divided reflected light beam
10/22/1996US5568462 Knife edge method for use in detecting a focussing error in an optical pickup system
10/22/1996US5568461 Optical information recording and reproducing apparatus
10/22/1996US5568460 Optical recording and/or reproducing apparatus and method utilizing stimulated photon echo
10/22/1996US5568459 Optical disk apparatus and optical disk having a hard address mark area
10/22/1996US5568458 Optical information recording and reproducing apparatus in which reproducing light is used to perform servo control having no offset at recording mode
10/22/1996US5568457 Optical pickup system for reading or writing information on disk using hologram device and wollaston prism
10/22/1996US5568456 Crosstalk Canceler
10/22/1996US5568454 Apparatus and method for detecting a defect on a magneto-optical disk
10/22/1996US5568417 Fluorescent method, fluorescent device, fluorescent recording method, flourescent recording media, fluorescent record reading method, fluorescent record reading device and fluorescent record deleting device
10/22/1996US5568315 Optical beamsplitter
10/22/1996CA2036853C Optical disk and optical information recording method
10/17/1996WO1996032736A1 Semiconductor processing spray coating apparatus
10/17/1996WO1996032721A1 Information holding/transmitting medium employing parental control
10/17/1996WO1996032720A1 Recording medium, device and method for recording data on the medium, and device and method for reproducing data from the medium
10/17/1996WO1996032716A1 Optical record carrier and method for recording and reproducing signals therefrom
10/17/1996WO1996032715A1 Optical disk having pattern for evaluating the optical disk
10/17/1996WO1996032666A1 Method for mitigating cross-talk in high-efficiency holograms
10/17/1996WO1996032658A1 Fabrication and applications of long-lifetime, holographic gratings in photorefractive materials
10/17/1996WO1996032521A1 Electroless plating method, and method and apparatus for producing stamper
10/17/1996WO1996011484A3 Actuator comprising a rotatable magnet body; actuator unit comprising the actuator and a control system; magneto-optical device comprising the actuator, and scanner comprising the actuator
10/16/1996EP0738078A2 Recording medium, apparatus and method for recording data on the recording medium, apparatus and method for reproducing data from the recording medium
10/16/1996EP0738038A1 Current amplifier
10/16/1996EP0737999A1 A magnetron sputtering system
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