Patents
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)
07/1995
07/11/1995US5432032 Optical recording media
07/11/1995US5431978 Information recording medium and recording method using the same
07/11/1995US5431977 Optical recording medium
07/11/1995US5431975 Optical recording medium and optical recording/reproducing apparatus
07/11/1995US5431421 Semiconductor processor wafer holder
07/11/1995CA2013498C Speed detection apparatus, speed control motor, and track jump control circuit
07/11/1995CA2000597C Optical recording element
07/06/1995WO1995018445A1 Data storage media
07/06/1995WO1995018444A1 Optical device
07/06/1995WO1995018443A1 Optical recording medium, reproduction apparatus of optical disk, reproduction method of optical disk, production method of original disk of optical disk, and illegal program operation stop method
07/06/1995DE4446325A1 Optical scanner for recording information esp. on optical disc
07/05/1995EP0661700A1 Use of a quasi-amorphous or amorphous zirconia dielectric layer for optical or magneto-optic data storage media
07/05/1995EP0661699A2 Information recording medium
07/05/1995EP0661698A1 Super-resolution optical head using optical separator
07/05/1995EP0661697A1 Servo control technique for an optical recording and reproducing system
07/05/1995EP0661696A1 Information storage and retrieval device
07/05/1995EP0661562A2 Optical information detection device
07/05/1995EP0661350A1 Quinizarin compound, method for production thereof, and use therefor
07/05/1995EP0660959A1 Diffraction surface data detector
07/05/1995EP0609283B1 Optical scanning device with lens-holder
07/05/1995EP0426872B1 Optical disc recording device
07/05/1995CN1104652A A hard coat material comprising a high-hard transparent resin
07/04/1995US5430706 Magneto-optical disk having lands and grooves for recording information
07/04/1995US5430704 Reproducing system for an optical disc
07/04/1995US5430702 Calibration of readback threshold in an optical storage device
07/04/1995US5430701 Optical disk apparatus for optically recording or reproducing information on an optical recording medium
07/04/1995US5430700 Apparatus for playing optical recording medium with combination tracks and plural beams tracking servo
07/04/1995US5430699 Optical reading and writing device
07/04/1995US5430698 CD playing apparatus
07/04/1995US5430697 Intro-play method for compact disk graphic player
07/04/1995US5430281 Storage media for an optical information system having an identification code embedded therein
07/04/1995US5429045 Means for registering a compact disc for the silk-screen printing thereof
07/04/1995CA2007505C Method for recording and reproducing information and device for the same
07/01/1995CA2137644A1 Servo control technique for an optical recording and reproducing system
06/1995
06/29/1995WO1995017750A1 Method of masking data on a storage medium
06/29/1995WO1995017748A1 Holographic data storage system with disk based holographic storage media
06/29/1995WO1995017747A1 Optical method and system for reading/writing data on a recording medium
06/29/1995WO1995017476A1 Radiation-curable protective lacquer, especially for metallised surfaces
06/29/1995CA2175556A1 Method of masking data on a storage medium
06/28/1995EP0660322A2 Optical disc player and processing method for reproduction data of the optical disc player
06/28/1995EP0660315A1 Process and apparatus for production of a stamper
06/28/1995EP0660314A1 Method of manufacturing an optical information carrier, arrangement for carrying out the method, and optical information carrier obtained by means of the method
06/28/1995EP0660313A1 Draw optical disk and method for protecting undesirable writing and erasing using the same
06/28/1995EP0660312A1 Objective lens drive device and coil bobbin thereof
06/28/1995EP0660162A1 A motion picture film and a technique for recording and/or reproducing and/or reproducing data from such motion picture film
06/28/1995EP0659533A1 Injection mold
06/28/1995EP0610271B1 Actuator arrangement
06/28/1995EP0599901B1 Optical scanning device
06/28/1995EP0570410B1 Method of reading data off a rotating disk-shaped recording medium
06/28/1995EP0570409B1 Method of reading data off a rotating recording medium
06/28/1995EP0570408B1 Optical recording and/or replaying device
06/28/1995EP0569397B1 Process for reducing access time
06/28/1995EP0432278B1 Seek control apparatus
06/28/1995CN1104208A Optical lens containing transparent resin with high hardness
06/27/1995US5428599 Transparent substrate, light reflecting layer containing organic coloring material, deformable light absorbing layer containing organic coloring material
06/27/1995US5428598 Record carrier with copy bits
06/27/1995US5428597 Multi-layered optical disk with track and layer identification
06/27/1995US5428596 Optical pickup apparatus
06/27/1995US5428595 Optical information recording and reproducing device
06/27/1995US5428593 Digital audio signal transforming method and apparatus
06/27/1995US5428591 Track compensation apparatus of magnetooptical disk apparatus
06/27/1995US5428590 Information recording and reproducing apparatus and method in which an information recording or reproducing head seeks a desired track on a recording medium
06/27/1995US5428589 Apparatus and method for an electromagnetic actuator with two orthogonal axes of motion
06/27/1995US5428588 Optical head
06/27/1995US5428584 Pickup device for a magneto-optical information recording system
06/27/1995US5428481 Optical system supporting device
06/27/1995US5428473 Mirror driving apparatus for optical disk drive
06/27/1995US5428472 Optical scan device having an optical diffraction grating element
06/27/1995US5427893 Optical data recording medium
06/27/1995US5427892 With partially oxidized reflective layer containing bismuth and copper and transparent coating having one layer of oxynitrides (of zirconium, tantalum, or hafnium) and another of silicon carbohydride
06/27/1995US5427833 Magneto-optical recording medium and method for processing the surface
06/27/1995US5427599 System for stamping an optical storage disk
06/27/1995US5427520 Mold device for fabricating disc substrate
06/22/1995WO1995016988A1 Optical scanning means
06/22/1995WO1995016987A1 Optical scanning device
06/22/1995DE4444618A1 Halbleiterlaser Semiconductor laser
06/21/1995EP0658889A1 Information recording and reproducing apparatus having processor and information recording and reproducing method
06/21/1995EP0658887A1 Multiple data surface optical medium and data storage system
06/21/1995EP0658886A1 Optical recording medium and recording/reproducing method therefor
06/21/1995EP0658885A1 Optical data storage
06/21/1995EP0658884A1 Optical recording/reproduction apparatus
06/21/1995EP0658883A1 Optical scanning device, and recording and/or read apparatus comprising such a scanning device
06/21/1995EP0658813A1 Radiation-source unit for generating a beam having two directions of polarisation and two frequencies
06/21/1995EP0658373A1 Method of controlling a photoreaction with a laser beam
06/21/1995EP0423364B1 Optical recording/reproducing apparatus
06/21/1995CN2201712Y Mechanism adjusting device for laser visual disc player
06/21/1995CN1103980A Method for producing an objective lens actuator
06/21/1995CN1029041C Optical recording media
06/20/1995US5426632 Recordable of analogue color video signal
06/20/1995US5426630 Optical pickup system
06/20/1995US5426628 Drive for an optical information recording medium
06/20/1995US5426627 Optical information recording/reproducing apparatus
06/20/1995US5426626 Photodetecting system for a magneto-optical disk head system
06/20/1995US5426625 Masking of tracking error signal abnormalities due to media defects
06/20/1995US5426624 Optical disk apparatus for linking fragmented regions in a user table of contents
06/20/1995US5426623 Method for acquiring the track data from a multiple track image and optical disk
06/20/1995US5426143 Optical data storage films containing non-liquid crystalline polymer and infrared-activated dye either mixed with or covalently bonded to polymer
06/20/1995US5426018 Photochromic material
06/20/1995US5426015 Metallized azo dianion with two cationic dye counter ions for optical information recording medium
06/20/1995US5426013 Optical recording media containing uniform partially oxidized metal layer