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)
12/1995
12/19/1995US5477522 Apparatus for controlling spindle motor of compact disc utilizing appliance
12/19/1995US5477521 Prism for an optical pickup of an optical recording and reproducing device
12/19/1995US5477520 System and method for high resolution optical recording using an induced shift in media absorption
12/19/1995US5477519 Data storage using pulsed optical domain reversal
12/19/1995US5477518 Detachable storage assembly
12/19/1995US5477516 Reproducing apparatus for accessing track segments in the forward and reverse directions
12/19/1995US5477514 Control apparatus for controlling focusing, accessing and spindle rotating circuits to operate simultaneously
12/19/1995US5477513 Information recording/reproducing apparatus for optical information recording medium using reference levels to control track jumps
12/19/1995US5477512 Detection apparatus for detecting sector marks of optical disk and optical disk access apparatus
12/19/1995US5477510 Optical disc playback and display apparatus
12/19/1995US5477386 Optical system for optical disc apparatus including anamorphic prisms
12/19/1995US5477347 Method and apparatus for isolating data storage regions in a thin holographic storage media
12/19/1995US5476700 Disc base and mold for molding the disc base
12/19/1995CA2005556C Recording/reproducing device
12/14/1995WO1995034112A2 Dimer laser, method and apparatus for data transmission, method and apparatus for storing and reading data, method and apparatus for detecting diatomic molecules, and laser projection microscope
12/14/1995WO1995034067A1 Optical recording medium exhibiting eutectic phase equilibria
12/14/1995WO1995034049A1 Information recording medium and information reproducing device
12/14/1995WO1995034016A1 Optical beam-splitting element
12/14/1995WO1995034015A1 Optical scanning device, and beam shaper and radiation source unit for use in the device
12/14/1995WO1995033971A1 Method and apparatus for acquiring images
12/14/1995WO1995033970A1 Rotating cam for optical systems
12/14/1995WO1995033786A1 Continuous process for making romp polycylic olefin polymers
12/13/1995EP0686970A2 Magneto-optical recording medium and reproducing method using the medium
12/13/1995EP0686969A1 Optical device
12/13/1995EP0686968A2 Optical information recording medium, optical information recording method, and optical information reproducing apparatus
12/13/1995EP0686674A1 Interference pigments from molecules fixed in a cholesteric arrangement and their use
12/13/1995EP0686298A1 Optical method and system for reading/writing data on a recording medium
12/13/1995EP0458968B1 Sealed-type optical card
12/13/1995CN1113338A Improved knife edge method for use in detecting a focussing error in an optical pickup system
12/13/1995CN1113337A Optical pickup apparatus
12/12/1995US5475673 Optical recording medium for use with a laser recording beam
12/12/1995US5475672 Variable-length information recording with reference marks for time reference during information reading
12/12/1995US5475671 Optical information detection circuit and detecting photoelectrically converted signal from light receiving means comprising at least two light receiving elements
12/12/1995US5475670 Deflection plate for optical pick-up device
12/12/1995US5475669 Information reproducing method and apparatus for counting the number of errors and warning
12/12/1995US5475667 Method for inspecting an optical disc
12/12/1995US5475666 Optically modulated overwritable recording device
12/12/1995US5475665 Optical information writing and reading apparatus having two light sources
12/12/1995US5475664 Focus servo circuit apparatus with automatic bias adjustments
12/12/1995US5475663 Information recording/reproducing apparatus
12/12/1995US5475662 Optical disc apparatus with tracking error compensation
12/12/1995US5475661 Objective lens actuator having frame-shaped leaf springs for minimizing focusing and tracking errors
12/12/1995US5475660 Optical information recording-reproducing method and apparatus including focusing and/or tracking control depending on a determined state of an optical spot
12/12/1995US5475656 Optical disk memory and information processing apparatus
12/12/1995US5475549 Made of stiff, lightweight alloy having low coefficient of thermal expansion
12/12/1995US5475537 Optical system for use in recording and reading information on an optical information medium
12/12/1995US5475518 Apparatus for optically transmitting data
12/12/1995US5475210 Noise reduction system for optical record and reproduction apparatus using auto-power controlled semiconductor laser device
12/12/1995US5475209 Displacement measurement apparatus having first and second servo control circuits and a zone decision circuit
12/12/1995US5474874 Transparent substrate, high refractive index layer of sintered mixture of zinc sulfide and silica, saturable absorption dye layer comprising naphthalocyanine dye in polymeric binder, reflecting layer
12/12/1995US5474873 Optical recording material and method for producing same
12/12/1995US5474826 Multilayer; transparent substrate, interior protective coating, recording material, exterior protective coating and reflection coating
12/12/1995US5474825 Having specified phthalocyanine dye, gold light reflection film of specified thickness
12/12/1995CA2072261C Halogenated phthalocyanine compound, method for preparing same and optical recording medium using same
12/07/1995WO1995033261A1 Data recorder
12/07/1995DE19508256A1 Optischer Abtaster, der eine "Vertical Cavity" - oberflächenstrahlende Laserdiode verwendet An optical pickup of a "Vertical Cavity" - used surface emitting laser diode
12/06/1995EP0685845A2 Recording medium and reproducing apparatus thereof
12/05/1995US5473614 Method of recording information on optical record medium
12/05/1995US5473594 Optical pickup device using optical lens coated with antireflection film whose spectral reflectance changes in accordance with wavelength
12/05/1995US5473591 Method for recording and reproducing data on recording mediums
12/05/1995US5473587 Track retrieval system for optical disk
12/05/1995US5473586 Optical pickup for an optical disc
12/05/1995US5473584 Recording and reproducing apparatus
12/05/1995US5473581 Magneto-optical data recording system continuously irradiating optical pulsers
12/05/1995US5473480 Disc-like recording medium and apparatus for producing it
12/05/1995US5473471 Complex lens with diffraction grating
12/05/1995US5473154 Optical pickup apparatus employing nonpolarization beam splitter and quarter wavelength plate
12/05/1995US5472815 Process for storing information and a material having information written thereon
12/05/1995US5472758 Optical recording medium for short-wavelength of laser beam and read/write/erase method using the medium
12/05/1995US5472334 Injection molding die for injection-molding base boards
12/05/1995CA2006808C Optical recording media
11/1995
11/30/1995DE4418747A1 Classifying quality of running gear of optical disc playing appts.
11/29/1995EP0684606A2 Disc data reproducing apparatus and signal processing circuit
11/29/1995EP0684599A2 Monitoring and adjusting laser write power in an optical data recorder
11/29/1995EP0684598A2 Thermal recording medium capable of keeping width of mark train constant and recording method for the same
11/29/1995EP0684565A1 Medical image archiving of lossy and lossless images on a recordable CD
11/29/1995EP0684506A1 Soundtrack interface for motion picture projector
11/29/1995EP0684058A1 Video data processing system with dual processors
11/29/1995EP0299073B1 Optical recording medium and production thereof
11/29/1995CN1112797A Polarizing beam splitter and magneto-optic reading device using the same
11/29/1995CN1112752A Semiconductor light emitting element driving circuit
11/29/1995CN1112712A Control circuit for disk player
11/29/1995CN1112708A Magnetooptic disk player
11/29/1995CN1112707A Optical system for optical pick-up device
11/29/1995CN1112706A Optical pick-up apparatus, optical disc recording and/or reproducing apparatus, method for compensating coma aberration
11/29/1995CN1112675A Temperature detecting circuit
11/28/1995US5471548 Segmented waveguide gratings used as optical recording sensors
11/28/1995US5471490 Device in which electromagnetic radiation is raised in frequency and apparatus for optically scanning an information plane, comprising such a device
11/28/1995US5471457 Methods and devices for recording one or more signals which have been encoded by on error detection and correction algorithm on a record carrier by means of an optimal recording intensity
11/28/1995US5471456 Optical medium recording apparatus with a rotatable optical beam deflector
11/28/1995US5471455 High density optical storage system
11/28/1995US5471454 Optical head having semiconductor laser
11/28/1995US5471453 Information recording-reproducing apparatus
11/28/1995US5471451 Disk apparatus including notifying of cleaning timing and control method thereof
11/28/1995US5471450 Digital data reproducing apparatus and method employing buffer memories for error compensation and accomodating differences in reproduction and processing rates
11/28/1995US5471449 Apparatus for recording defective-position indicating signal on disk medium
11/28/1995US5471448 Tracking servo apparatus for use in an optical disk player
11/28/1995US5471447 Seek control for information storage disc drive
11/28/1995US5471446 Optical disk player having beam correction means
11/28/1995US5471444 Seek circuit for optical disc
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