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)
10/1995
10/31/1995US5463501 Objective-lens driving apparatus
10/31/1995US5462995 Hydrogenated products of thermoplastic norbornene polymers, their production, substrates for optical elements obtained by molding them, optical elements and lenses
10/26/1995WO1995028705A1 Substrate for optical recording media and stamper for manufacturing substrate for optical recording media
10/26/1995WO1995028704A1 Method and apparatus for preventing illegal copying and illegal installation of information on optical recording medium
10/25/1995EP0678982A2 Semiconductor light emitting element driving circuit
10/25/1995EP0678861A2 Optical information recording and/or reproducing apparatus and method with vibration wave driving device or vibration driven motor device
10/25/1995EP0678860A1 Method of and apparatus for recording and reproducing optical information
10/25/1995EP0358774B1 Novel spirooxazine compounds
10/25/1995CN1110823A 光学拾波装置 The optical pickup apparatus
10/24/1995US5461606 Lift device of laser disc player
10/24/1995US5461603 Disc recording/reproducing apparatus having temperature control of the recording/reproducing processes
10/24/1995US5461602 Optical recording and reproducing method and apparatus using light beams of two different wavelenghts
10/24/1995US5461600 High-density optical data storage unit and method for writing and reading information
10/24/1995US5461599 Optical disk system
10/24/1995US5461598 Balanced focus actuator for an optical storage system
10/24/1995US5461597 Mastering apparatus for producing compact disk and minidisk master disks
10/24/1995US5461596 Portfolio photo CD visual/audio display system
10/24/1995US5461483 Optical card having registered region for directory modified information and file management method for optical card
10/24/1995US5461239 Method and apparatus for coding and reading information in diffraction gratings using the divergence of diffracted light beams
10/24/1995US5461224 Optical pick-up device having light splitting means and focus error and tracking error detection
10/24/1995US5461220 Method of inhibiting information recording on specific region of recording medium or information reproduction therefrom and information processing system therefor
10/24/1995US5460877 Polymeric metal oxide materials and their formation and use
10/24/1995US5460766 Process of making substrate for an optical recording medium
10/24/1995CA2025884C Optical memory device
10/24/1995CA1337444C Transparent, thermoplastically processable polymer blends made of an aromatic polycarbonate and a methacrylate polymer
10/19/1995WO1995027979A1 Data storage, processing, and recovery method and system utilizing polychromatic lightwaves
10/18/1995EP0677848A1 Recording medium and reproducing device for special reproduction
10/18/1995EP0677842A1 Multi-scene recording medium and reproduction apparatus
10/18/1995EP0677840A1 Method for initializing an optical disk
10/18/1995EP0563034B1 Scanning device
10/18/1995CN1110487A Electronic apparatus using informtion memory medium
10/17/1995US5459712 Optical disk and optical disk apparatus where information is recorded having a specific track pitch and as a plurality of pit trains, each including a plurality of substantially trapezoidal pits
10/17/1995US5459711 Optical recording element and driving system
10/17/1995US5459710 Apparatus for recording information in data sections having number of bytes which increases with increase in circumference of tracks on medium
10/17/1995US5459708 Optical tape focal plane stabilizer
10/17/1995US5459707 Read/write CD ROM system using an electro-optic modulator to crosstalk
10/17/1995US5459706 Method and apparatus for detecting a signal
10/17/1995US5459705 Optical recording medium driving apparatus capable of accurately detecting position of optical head
10/17/1995US5459704 Optical reader for record carriers with different information densities
10/17/1995US5459703 Disc player having a slider to move a disc between a disc reproducing position and a disc holder
10/17/1995US5459570 Method and apparatus for performing optical measurements
10/17/1995US5459309 Focus acquiring method and optical disk drive
10/17/1995US5459019 Substrate of biaxially oriented polyester film having coating layer on one surface, optical recording layer on other, both surfaces having specified center-line average roughness
10/17/1995US5459018 Optical information recording medium, a manufacturing method thereof and an optical information recording and reproducing method using the medium
10/17/1995US5458985 Plastic substrate with minute pattern
10/17/1995US5458941 First recording layer comprises an alloy of a metal and at least one doping element; second recording layer is a semiconductor
10/17/1995US5458940 Optical disk with vibration dampening
10/17/1995US5458821 Method of making a plurality of optical record disc substrates
10/17/1995US5458818 Insulated mold structure for injection molding of optical disks
10/12/1995WO1995027282A1 Control system utilizing an adaptive predictor
10/12/1995DE19513626A1 Optical scanner for recording media
10/12/1995DE19513273A1 Opto-magnetische Kopfanordnung Opto-magnetic head assembly
10/12/1995CA2186490A1 Control system utilizing an adaptive predictor
10/11/1995EP0676895A2 Method of and apparatus for recording/reproducing video data in data units as a unit of data corresponding to a predetermined number of pictures
10/11/1995EP0676894A2 Reproducing recording media
10/11/1995EP0676758A1 Method and apparatus for forming unit from image data, sound data, and header data divided at predetermined positions therein, and method, apparatus, and recording medium for reproducing unit
10/11/1995EP0676757A2 Recording medium having correlation information that represents correlation between physical sectors and logical sectors, recording method for recording data thereto, and reproducing apparatus thereof
10/11/1995EP0676755A1 Recording medium reproduction apparatus and recording medium reproduction method for selecting, mixing and outputting arbitrary two streams from medium including a plurality of high efficiency-encoded sound streams recorded thereon
10/11/1995EP0676752A2 Electrostatic information recording medium and electrostatic information recording and reproducing method
10/11/1995EP0676751A1 Optical recording media
10/11/1995EP0676750A2 Optical pickup system
10/11/1995EP0676749A2 Information reproducing device and method
10/11/1995EP0676711A2 Method and apparatus for monitoring and status labeling disk carriers
10/11/1995EP0676299A1 Optical information recording medium and near-infrared absorbing material used therein
10/11/1995EP0676079A1 Waveform shaping method and apparatus for optical recording
10/11/1995EP0676074A1 Identity card with a visible authenticating mark and a process for manufacturing the same
10/11/1995CN1109983A Method and apparatus for monitoring and status labeling disk carriers
10/10/1995US5457675 Video image updating and reproducing device with image selecting key input means
10/10/1995US5457674 Optical disc recording apparatus
10/10/1995US5457673 CD-ROM reproduction apparatus
10/10/1995US5457672 Audio reproducing apparatus having a playback resume function after a halt request
10/10/1995US5457671 Method and circuit for correcting track zero crossing signal in optical track
10/10/1995US5457670 Optical disk information recording apparatus and reproducing apparatus having a plurality of read or write beams
10/10/1995US5457669 For a digital signal processor
10/10/1995US5457667 Data recording/reproducing apparatus with alternating access of compressed works
10/10/1995US5457666 Light modulation method for forming a mark in magneto-optical recording system
10/10/1995US5457314 Mount for positioning a photodetector on an optical apparatus
10/10/1995US5457006 Adhesion of non-light transmitting thin film
10/10/1995US5456961 High density optical disk
10/10/1995US5456866 Process for manufacturing a substrate sheet for information recording mediums
10/10/1995US5456169 Process and apparatus for printing on flat individual articles
10/08/1995CA2146052A1 Optical scanning system
10/05/1995WO1995026550A1 Optical recording medium
10/05/1995WO1995026549A1 Optical recording medium and method of manufacturing the same
10/05/1995WO1995026548A1 High density information recording and reproducing method
10/05/1995WO1995026381A1 Substituted phthalocyanines
10/04/1995EP0675493A2 Method of recording/reproducing optical disk by sector link data including address information of unit data or a program related to sectors, disk including the sector link data, and apparatus for and method of reproducing the disk
10/04/1995EP0675489A1 Optical recording medium
10/04/1995EP0675488A2 Optical disk recording device and optical disk drive
10/04/1995EP0675398A1 Data recording device for motion picture film
10/04/1995EP0675346A1 Temperature detecting circuit generating an output signal according to the temperature
10/04/1995EP0674722A1 Protective film for articles and method
10/03/1995US5455818 Optical recording medium
10/03/1995US5455817 Second harmonics generating optical recording layer
10/03/1995US5455815 Pattern data generator
10/03/1995US5455813 Digital signal reproducing apparatus
10/03/1995US5455811 Electromagnetic driving apparatus including objective lens holder having directly plated reflecting surfaces
10/03/1995US5455712 Optical element and method of fabricating the same
10/03/1995US5455094 Optical recording medium
10/03/1995US5454920 Sputtering method and apparatus for optimum saturation magnetostriction