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)
12/1994
12/07/1994	EP0627735A1 Optical system for information playback and/or recording
12/07/1994	EP0627734A1 Process for manufacturing optical recording medium
12/07/1994	EP0627733A1 Optical head device and optical information apparatus
12/07/1994	EP0627116A1 Optical memory
12/07/1994	EP0627113A1 Data recording medium, recorder, reader and recording method
12/07/1994	EP0627112A1 Disk recording medium and reproduction method and apparatus thereof
12/07/1994	EP0494889B1 Direction-determination logic
12/07/1994	EP0382154B1 Optical disc recording system
12/07/1994	CN1096126A Disk player with magazine
12/06/1994	US5371792 CD-ROM disk and security check method for the same
12/06/1994	US5371730 Optical memory and information processing apparatus
12/06/1994	US5371726 Velocity controlling apparatus
12/06/1994	US5371725 Position control system for a read-write head of a magneto-optical disc player having heads which move independently from each other
12/06/1994	US5371723 Recording and reproducing system for use with different arrangements of optical cards
12/06/1994	US5371722 Method for recording sector control information on magneto-optical disk
12/06/1994	US5371449 Servo control method for a servo system
12/06/1994	US5370970 Write-once-read-many optical disk
12/06/1994	US5370741 Dynamic semiconductor wafer processing using homogeneous chemical vapors
12/06/1994	CA2014698C Recording and reproduction system
12/06/1994	CA2013764C Optical diffraction grating element, and optical pick-up device and optical scan device that respectively comprise optical diffraction grating element
12/06/1994	CA1333422C Optical disk drive system
12/01/1994	DE4324309C1 Phototropic material for optical data storage and for radiation-induced, long-term, but radiation-reversible changing of material properties
11/1994
11/30/1994	EP0626689A2 Karaoke reproducing apparatus
11/30/1994	EP0626688A2 Karaoke reproducing apparatus
11/30/1994	EP0626687A1 Optical disk apparatus utilizing memory allocation
11/30/1994	EP0626683A1 Optical recording medium and process for producing the same
11/30/1994	EP0626682A1 Optical record medium
11/30/1994	EP0626681A1 Optical recording/reproduction apparatus
11/30/1994	EP0626680A2 Cutting apparatus for an optical disc
11/30/1994	EP0626679A2 Optical information recording media and optical information read/write device
11/30/1994	EP0626649A2 Shared data storage dispersal system and method, based on related data storage space reservation
11/30/1994	EP0626646A1 File management method for interchangeable storage media
11/30/1994	EP0440810B1 Optical recording medium and information recording apparatus
11/30/1994	EP0357780B1 Optical head
11/30/1994	CN1095838A Optical disc high speed data recording method and data acquisition and recording system
11/29/1994	US5369631 Recording/reproducing apparatus for optical tape
11/29/1994	US5369630 Optical information recording/reproducing apparatus having means for tracking adjustment and a method of use therefore
11/29/1994	US5369321 Optical recording medium
11/29/1994	US5368988 Optical recording medium
11/29/1994	US5368986 Inorganic protective layer in contact with surface and filling dents, synchronization of signals
11/29/1994	US5368908 Optical information recording medium
11/29/1994	US5368898 Treating surfaces with magnetism and solvent, fixing particles on surface
11/24/1994	WO1994027167A1 Optical scanning apparatus
11/24/1994	WO1994026533A1 Thermosensitive recording material
11/24/1994	DE4317190A1 Error rate reduction
11/24/1994	DE4316640A1 Polymers having non-linear optical properties
11/23/1994	EP0625779A1 Actuator for an optical head
11/23/1994	EP0625759A1 Medical information management system
11/23/1994	EP0500547B1 Automatic focussing control
11/23/1994	EP0497785B1 Automatic track control
11/23/1994	EP0494905B1 Counter
11/23/1994	EP0431194B1 Optical disk device
11/23/1994	CN1095540A Picture signal coding method, decoding method and picture signal recording medium
11/23/1994	CN1095512A Multi-layer magneto-optical recording medium
11/22/1994	US5367515 Optical recording/reproducing by reducing laser power when there is a track jump
11/22/1994	US5367514 Phase change optical recording device and method employing a laser beam with differently energized pulse portions
11/22/1994	US5367513 Optical disk apparatus
11/22/1994	US5367512 Multi-beam optical recording-reproduction device with independent error detection for each beam
11/22/1994	US5367511 Scanning lens mount using deflection and twisting for separate movements
11/22/1994	US5367509 Method for reproducing information recorded on a magneto-optical recording medium including servo controlling the dimension of the reproduction region of the recording medium by means of a recorded signal
11/22/1994	US5367403 Optical element and method of fabricating the same
11/22/1994	US5366812 Thermoplastic materials and article made therefrom
11/22/1994	US5366762 Method of manufacturing a recording medium
11/21/1994	EP0647345A4 High data rate optical tape recorder.
11/17/1994	EP0624870A2 Apparatus for making optical discs
11/17/1994	EP0356515B1 Optical recording medium, method for producing the same and method for producing an optical recording card provided with the same
11/15/1994	US5365535 Semiconductor laser and beam splitting devices, and optical information recording/reproducing, optical communication, and optomagnetic recording/reproducing apparatuses using semiconductor laser and beam splitting devices
11/15/1994	US5365507 Light-amount control device for an optical-disk recording-reproduction apparatus
11/15/1994	US5365506 Laser disk player
11/15/1994	US5365505 Information reproducing device
11/15/1994	US5365504 Optical disk apparatus, and construction of optical disk
11/15/1994	US5365503 Digital recording and reproducing apparatus
11/15/1994	US5365502 Optical disc player having a resume function
11/15/1994	US5365501 Information recording and reproducing device
11/15/1994	US5365060 Relative velocity sensing device
11/15/1994	US5365052 Optical information reading apparatus with controlled numerical aperture relationship between focusing and receiving optical systems
11/15/1994	US5364735 Multiple layer optical record medium with protective layers and method for producing same
11/15/1994	US5364708 Optical recording medium
11/15/1994	CA1333094C Optical card, a card holder and an apparatus for recording, reproducing, and erasing information on and from the optical card
11/15/1994	CA1333093C Optical recording element and driving system
11/09/1994	EP0623923A1 Optical recording medium
11/09/1994	EP0623922A1 Laser output control device for an optical information recording and reproducing apparatus
11/09/1994	EP0623921A1 Signal detecting method and signal detecting apparatus
11/09/1994	EP0623920A1 Optical disc, apparatus for reproducing the same, and method of recording and reproducing the same
11/09/1994	EP0623689A1 Carrier for optical recording substrates
11/09/1994	CN1026532C Disc recording and/or reproducing apparatus
11/08/1994	US5363365 Optical pickup apparatus including a moveable pickup driver using a multiplexer for reducing the number of signal lines
11/08/1994	US5363363 Apparatus and method for laser noise cancellation in an optical storage system using a front facet monitor signal
11/08/1994	US5363362 Apparatus for reproducing recorded data comprising interleaved clusters and cluster linking sectors
11/08/1994	US5363361 Information recording device having variable data transfer rates and verification of recording quality
11/08/1994	US5363359 Method and apparatus for generating velocity error signals
11/08/1994	US5363358 Optical disc apparatus with selection of three-beam and push-pull systems
11/08/1994	US5363357 Focus control system
11/08/1994	US5363356 Tracking apparatus for optical disk and tracking method of the same with tracking polarity invertor responsive to disk type
11/08/1994	US5363354 Disk player with variable level search time
11/08/1994	US5363353 Magneto-optical disk drive having multiple electromagnet elements
11/08/1994	US5363200 Buffering method and system for resonant scanner used to read and write data with respect to a storage medium
11/08/1994	US5363158 Camera including optical encoding of audio information
11/08/1994	US5363157 Camera utilizing variable audio film frame for optical encoding of audio information
11/08/1994	US5362538 Layer of tellurium alloy; high erasing speed; high erasability; storage stability

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