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)
11/1997
11/18/1997US5689487 Verify-while-recording device for optical disk recording apparatus
11/18/1997US5689486 Optical disc reproducing apparatus
11/18/1997US5689485 Tracking control apparatus and method
11/18/1997US5689483 Controlling system for optical storage apparatus using pulse width modulator
11/18/1997US5689482 Disc drive device operable with different discs that may exhibit different linear velocities or circumferential recording densities
11/18/1997US5689480 Magneto-optic recording system employing near field optics
11/18/1997US5689479 Magneto-optical recording apparatus
11/18/1997US5689477 Method and apparatus for storing and presenting visual and audible information to an individual
11/18/1997US5689391 Magneto-optic multitrack reading head having a plurality of reflective rays
11/18/1997US5689329 Flying height altitude simulator
11/18/1997US5689108 Integrated optical pick-up
11/18/1997US5689057 Calibration disk with disk bumps for calibrating PZT sliders
11/18/1997US5688574 Comprising metallic layer, first protective layer, recording layer containing germanium, tellurium, antimony and selenium, second protective layer, reflecting layer on substrate; conformed to compact disk standard
11/18/1997US5688447 Mass production method for fabricating multi-layer CDs
11/13/1997WO1997042632A1 Optical pickup and disk player
11/13/1997WO1997042631A1 Optical pickup and disk player
11/13/1997WO1997042630A1 Information reproduction apparatus
11/13/1997WO1997042491A1 Device and method for measuring birefringence in an optical data carrier
11/12/1997WO1997047004A1 Optical disc, process for producing the optical disc and its manufacturing apparatus
11/12/1997EP0806768A2 Recording medium, optical information reproducing apparatus and seek method
11/12/1997EP0806767A1 Optical disk drive
11/12/1997EP0806766A1 Track cross signal correction apparatus
11/12/1997EP0806039A1 Lens device and an optical pickup apparatus using the lens device
11/12/1997EP0806038A1 Optical apparatus for scanning a tape-shaped record carrier
11/12/1997EP0582720B1 Disk reproducing apparatus
11/12/1997CN1164925A Multimedia optical disk capable of preserving freshness of image content for long time and its reproduction apparatus and method
11/12/1997CN1164924A Multimedia optical disk for easily realizing branch reproduction to parental lock section with little amount of control information and reproducing device therefor
11/12/1997CN1164923A Multimedia optical disk for which producer coordinates viewing/listening mode including special reproduction at will and reproducing device and reproducing method for the disk
11/12/1997CN1164921A Multimedia optical disk which realizes dynamic switching between reproduced outputs, and reproducing apparatus
11/12/1997CN1164918A Lens device and optical pickup apparatus using the lens device
11/12/1997CN1164917A Optical scanning apparatus for multi-layer record carrier, including focus control circuit
11/12/1997CN1164916A Multimedia optical disk capable of developing scenes with full unexpectedness on basis of interactive control, its reproduction apparatus and its reproduction method
11/12/1997CN1164736A Disk type recording medium
11/12/1997CN1164735A Three-axis moving actuator for optical pickup
11/12/1997CN1164734A Combined laser source and detector system
11/12/1997CN1164732A Infomation recording disk with management areas
11/12/1997CN1164731A Optical disk device and replacement processing method
11/11/1997US5687161 Apparatus and method for reproducing data from disk method for recording data on disk and disk
11/11/1997US5687159 Pickup assembly for a disk player
11/11/1997US5687158 Optical disk recording and reproducing apparatus for compressed signals
11/11/1997US5687156 Calibration of lasers that produce multiple power output levels of emitted radiation
11/11/1997US5687155 Optical integrating element and integration type optical pickup device using the same
11/11/1997US5687154 Optical pickup device which can be adapted to plurality of types of optical disks
11/11/1997US5687153 Optical head device and optical information apparatus using a lithium niobate hologram with divisional areas to diffract light to corresponding photo detector areas
11/11/1997US5687152 Optical pickup system
11/11/1997US5687150 Apparatus for and method of recording information, and apparatus for recording and reproducing information
11/11/1997US5687148 Optical disk having both constant linear and constant angular velocity recording regions and optical disk recording system
11/11/1997US5687147 Servo control method and apparatus for an opto magnetic disc
11/11/1997US5687146 Focus control device for use with an optical pickup comprising a refracting means
11/11/1997US5687143 Reproducing apparatus having an optical head system
11/11/1997US5687142 Disc apparatus having a plurality of reading/recording head driving manners for disc track seeking movement
11/11/1997US5687033 Supporting mechanism for allowing an object to make a pseudo-translational motion
11/11/1997US5687032 Optical device inclination angle adjuster
11/11/1997US5687030 Biaxial actuator
11/11/1997US5686941 Information recording apparatus having a vacuum system
11/11/1997US5686227 Optical disc exhibiting minimal defects and deterioration
11/11/1997US5686225 Method of manufacturing a multilayer information disc
11/11/1997US5686026 Process for manufacturing optical discs
11/06/1997WO1997041560A1 Information recording method, information recorder/reproducer and information recording medium
11/06/1997WO1997041557A1 Process for producing an optical information carrier and optical information carrier
11/06/1997WO1997041556A2 Optical flying head with solid immersion lens having raised central surface facing media
11/05/1997EP0805449A2 Optical disk having an evaluation pattern for evaluating the optical disk
11/05/1997EP0805443A2 Optical disc dubbing apparatus (II)
11/05/1997EP0805442A2 Optical disc dubbing apparatus (I)
11/05/1997EP0805441A1 High capacity optical recording medium containing xanthene dyes
11/05/1997EP0805440A1 Objective lens device and optical pickup adopting the same
11/05/1997EP0805439A1 Compensation for radial and vertical runout of an optical disc
11/05/1997EP0572616B1 Wide beam detector system for optical memories
11/05/1997EP0477373B1 Metal chelate compound and optical recording medium comprising the same
11/05/1997EP0464081B1 Method of manufacturing an optical disc
11/05/1997CN1164102A Optical disk apparatus
11/05/1997CN1164097A Binding information recording medium with multi-layer information recording film
11/05/1997CN1164096A Lens actuator for optical disk
11/05/1997CN1164095A Optical storage apparatus
11/05/1997CN1164094A Light detecting device
11/05/1997CN1164093A CD apparatus and substitution treating method
11/05/1997CN1164092A CD apparatus and substitution treating method
11/05/1997CN1164091A Information recording disc with substitution area
11/05/1997CN1164035A Objective lens device and optical pickup adopting same
11/04/1997US5684918 System for integrating video and communications
11/04/1997US5684900 Wavelength locking device, beam collimating device, and optical disk apparatus
11/04/1997US5684786 Record carrier having an information volume including audio information and an information volume including additional non-audio information
11/04/1997US5684785 Optical disk and method of preventing fraudulent use of optical disk rotation synchronous control system
11/04/1997US5684784 CAV recording/ reproducing apparatus for dividing input data in an amount proportional if the radial lengths of a plurality of recording areas
11/04/1997US5684783 Reproducing apparatus having a detector for simultaneously scanning adjacent tracks of an optical recording medium
11/04/1997US5684782 Use of a laser light source as a detector via a dithering modulation
11/04/1997US5684781 Optical pickup for recording/reproducing double-sided disc
11/04/1997US5684780 Optical pickup device having optical element exhibiting polarized light selectivity loaded thereon and optical apparatus having the optical pickup device loaded thereon
11/04/1997US5684779 Optical head with forward and reflected light beams propagating through a dual diffraction grating device along a common path
11/04/1997US5684778 Initialization process for a phase change recording medium with a zero level drop in flash light emission
11/04/1997US5684776 Cartridge-loading apparatus with improved parking arm
11/04/1997US5684774 Optical disk apparatus
11/04/1997US5684773 Digital data information reproducing apparatus
11/04/1997US5684772 Magneto-optical disc recording and reproducing system with level clamping
11/04/1997US5684771 Optical recording medium discriminating apparatus
11/04/1997US5684769 Optical recording/playback apparatus incorporating an address reproducing amplifier having a switchable gain for reproducing address data and MO recorded data
11/04/1997US5684768 Method and apparatus for forming unit from image data, sound data, and header data divided at predetermined positions therein, and method, apparatus, and recordig medium for reproducing unit
11/04/1997US5684767 Track jump control circuit of optical disk apparatus properly controlling timing of accelerating pulses and decelerating pulses, and performing stable track jump
11/04/1997US5684766 Optical disk library apparatus with automatic head cleaning function
11/04/1997US5684765 Optical recording method and control
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