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)
10/2002
10/03/2002US20020141735 Information record medium and apparatus for reproducing information according to navigation information
10/03/2002US20020141583 Copy protection using a preformed ID and a unique ID on a programmable CD-ROM
10/03/2002US20020141576 Validating keying material by using a validation area of read-only media to prevent playback of unauthorized copies of content stored on the media
10/03/2002US20020141469 Nitride semiconductor laser device and optical information reproduction apparatus using the same
10/03/2002US20020141468 Semiconductor laser device, method of fabricating the same and optical information reproduction apparatus
10/03/2002US20020141465 Semiconductor laser device and method for producing the same
10/03/2002US20020141329 Optical data recording medium
10/03/2002US20020141328 High density optical disk and a method of high density recording
10/03/2002US20020141325 Recording and reading method of optical disk
10/03/2002US20020141324 Laser driving apparatus
10/03/2002US20020141323 Optical pickup device
10/03/2002US20020141322 Optical component
10/03/2002US20020141321 Optical element, optical head, optical recording reproduction device and manufacturing method of optically active polymer film
10/03/2002US20020141320 Optical pickup
10/03/2002US20020141319 Optical pickup device capable of emitting small-diameter laser beam used with enhanced efficiency
10/03/2002US20020141317 Optical disk having wobble patterns and block identification marks
10/03/2002US20020141316 Optical recording method, optical recording medium and optical irradiating time controlling device
10/03/2002US20020141315 Optical information-recording medium and optical information recording/reproducing method
10/03/2002US20020141314 Apparatus for controlling a mirror signal and a method thereof
10/03/2002US20020141313 Power control circuit for optical information recording device
10/03/2002US20020141312 Tracking and focus servo system with direction sensor
10/03/2002US20020141311 Tracking and focus servo system with a media type boundary crossing detector
10/03/2002US20020141309 Tracking and focus servo system with write abort
10/03/2002US20020141308 Optical disc recording under adjustable conditions
10/03/2002US20020141307 Information reproduction apparatus, signal processing apparatus, and information reproduction method
10/03/2002US20020141306 Cross-talk removal apparatus and data reproduction apparatus
10/03/2002US20020141305 Data recording/reproducing method for optical disk and apparatus for the same
10/03/2002US20020141304 Kp and Ki lookup system and method
10/03/2002US20020141303 Optical disc player for compensating for eccentricity error
10/03/2002US20020141302 Digital tracking and focus servo system with TES to FES crosstalk calibration
10/03/2002US20020141301 Optical detector, signal processing circuit and optical information reproduction apparatus thereof
10/03/2002US20020141300 Focusing servo apparatus for optical pickup
10/03/2002US20020141299 System and method for controlling interrupts in a control system for an optical disc drive
10/03/2002US20020141298 Digital tracking servo system with multi-track seek with track zero crossing detection
10/03/2002US20020141297 Digital tracking servo system with a multi-track seeking and accelerated servo function for regaining a closed tracking loop
10/03/2002US20020141296 Method for reorganizing additional writing format storage media volume
10/03/2002US20020141293 Magneto-optical storage medium and optical disk drive
10/03/2002US20020141103 Multi-channel magnetic tape system having optical tracking servo
10/03/2002US20020140584 Method for recording information, method for reproducing information, and information recording apparatus
10/03/2002US20020140120 Method and apparatus of treating a disc plate
10/03/2002US20020139941 Tilt detector and tilt detection method in the radial and tangential directions
10/03/2002CA2439590A1 Device for joining substrates
10/02/2002EP1246183A2 Catalog merchandising using hybrid optical disc
10/02/2002EP1246181A2 Optical disk recording/reproducing apparatus
10/02/2002EP1246179A2 Optical recording material
10/02/2002EP1246178A2 Optical device for recording/reading optically recorded information
10/02/2002EP1246177A2 Optical recording medium and optical recording method
10/02/2002EP1246176A2 Optical recording medium and optical recording method
10/02/2002EP1246175A2 Optical recording medium and optical recording method
10/02/2002EP1246174A2 Optical recording method, optical recording medium and optical irradiating time controlling device
10/02/2002EP1246173A2 Optical recording medium, optical recording device and optical recording method
10/02/2002EP1246104A1 Credit or debit copy-protected optical disc
10/02/2002EP1245571A1 Benzbisazole compound and optical recording medium containing the compound
10/02/2002EP1245370A2 Method and apparatus of treating a disc plate
10/02/2002EP1245027A2 USAGE OF AN SDRAM AS STORAGE FOR CORRECTION AND TRACK BUFFERING IN FRONTEND ICs OF OPTICAL RECORDING OR REPRODUCTION DEVICES
10/02/2002EP1245026A1 Method for regulating the tracking of a scanning device and drive for the same
10/02/2002EP1244726A1 Method of producing polycarbonates
10/02/2002EP1244719A1 Compositions and articles made therefrom
10/02/2002EP0875007B1 Electronic article surveillance markers for direct application to optically recorded media
10/02/2002DE10210237A1 Objective lens for optical receiver has refractive lens with area divided into common region via which low numerical aperture beam enters, exclusive region via large aperture beam enters
10/02/2002DE10116121A1 Small format, stabilized optical data medium and/or protective casing has additional stabilizing coating in addition to data coating and bearer material and/or in protective casing
10/02/2002DE10116110A1 Optically readable data medium, especially a DVD plus, where the reflective surfaces of the recording tracks are curved to increase the optical path length of the laser light focussed on the tracks
10/02/2002CN2514459Y Anti-forge CD entrance ticket
10/02/2002CN2514458Y Cd
10/02/2002CN1372684A Optic disk medium and optical disk identification method and optical disk device
10/02/2002CN1372580A Method of producing optical media discs from hydrogenated block copolymers
10/02/2002CN1372260A Phase change optical recording meidum
10/02/2002CN1372259A Optical component and optical sensor using same
10/02/2002CN1372258A Optical sensor and high-frequency laminating module
10/02/2002CN1372257A Method for dynamic determining disc optimum burn writing speed
10/02/2002CN1372256A Laser head
10/02/2002CN1372255A Optical recording and/or reproducing equipmentand aberration regulation method
10/02/2002CN1372254A Optical recording/reproducing equipment and method for testing track error signal
10/02/2002CN1372253A Method for detecting optical driven horizontal and vertical operation
10/02/2002CN1372252A Information recording medium, recording device and information reproducing device
10/02/2002CN1372251A Optical disc device for regulating recording speed and laser power
10/02/2002CN1372250A Optical disc device
10/02/2002CN1091929C Optical CD replaying apparatus
10/02/2002CN1091924C Original disc producing device for optical disc and optical disc producing device and method
10/02/2002CN1091923C Information recording medium
10/02/2002CN1091922C Optical recording medium and mehtod of producing same
10/02/2002CN1091921C Data reproducing method and apparatus
10/02/2002CN1091918C Copy protectable optical media device and method thereof
10/01/2002US6460155 Information reproducing system capable of manually reading an optically readable code and repeatedly reproducing voice information included in the code
10/01/2002US6459672 Optical head and optical disc device
10/01/2002US6459670 Optical information recording method and optical information recording device
10/01/2002US6459669 Information reproducing apparatus and information reproducing method
10/01/2002US6459668 Disk type reproducing apparatus and revolution control method
10/01/2002US6459667 Optical disc recording and reproducing apparatus having automatic gate signal generation modes
10/01/2002US6459666 Information recording apparatus and method
10/01/2002US6459665 Signal compensation for high-speed optical storage device
10/01/2002US6459664 Optical disc tilt control apparatus
10/01/2002US6459663 Correction of tracking-error signal for information reproducing system
10/01/2002US6459662 Optical disk device
10/01/2002US6459661 Optical disk and optical disk device
10/01/2002US6459660 Dual half-aperture focusing and push-pull tracking using a 3-beam wollaston prism for magneto-optical data storage
10/01/2002US6459659 Recording medium having planar aperture array and fabrication method thereof, and near-field optical recording/reproducing device using same and method therefor
10/01/2002US6459315 Wave reforming circuit
10/01/2002US6458021 Polishing apparatus with a balance adjusting unit
09/2002
09/26/2002WO2002075742A1 Record carrier and apparatus for scanning the record carrier
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