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)
12/2003
12/09/2003US6660985 Optical pick-up device and objective lens therefor
12/09/2003US6660867 Metal complex type squarylium compounds and optical recording media made by using the same
12/09/2003US6660451 Suppresses movement of material in phase change layer even with large number of land and groove recording repetitions
12/09/2003US6660356 Optical information recording medium, method for producing the same, and method and apparatus for recording/reproducing information thereon
12/09/2003US6660089 Substrate support mechanism and substrate rotation device
12/09/2003US6659759 Apparatus for the production of a recording medium
12/04/2003WO2003100784A1 Information recording device, information recording/reproduction device, information recording method, program and recording medium for the same, and information holding medium
12/04/2003WO2003100777A1 Optical information medium and production method therefor
12/04/2003WO2003100776A1 Optical disc and its recording/reproducing method
12/04/2003WO2003100775A1 Information storage medium, information recording device and method, information recording control program, and recording medium containing the information recording control program
12/04/2003WO2003100774A1 Optical data storage medium and use of such medium
12/04/2003WO2003100702A2 Disc-shaped recording medium, disc driving device and disc producing method
12/04/2003WO2003100472A2 Controllers for laser driving having audio signal input
12/04/2003WO2003100365A2 Optical detection device
12/04/2003WO2003099403A1 Collectable electronic multimedia trading card and portable card reader
12/04/2003WO2003040766A3 Optical medium with double recording level
12/04/2003US20030225467 Information recording/reproducing system, music recording/reproducing system, information recorded medium and music recording/reproducing method
12/04/2003US20030225215 Data storage media containing transparent polycarbonate blends
12/04/2003US20030225214 A miscible blends comprising polycarbonate homopolymers having monomer cycloalkyl-1,1-bis/4-hydroxypheny/, 1,1-bis(4-hydroxyphenyl)methylphenylmethane monomers; high density optical recording media
12/04/2003US20030224293 Thin film comprising an organic compound dye that can form pits when irradiated with a semiconductor laser beam and an indole-2-vinylene metallocene compound
12/04/2003US20030224292 Phase-change recording layer contains Sb as a main component and at least one element selected from the groups consisting of elements of other groups than group VIb and rare earth metal elements, as a sub- component.
12/04/2003US20030224215 Information recording medium, and apparatuses for reproducing, recording, and recording and reproducing thereof, and methods for reproducing, recording, and recording and reproducing thereof
12/04/2003US20030224136 Information recording medium
12/04/2003US20030224084 Method for manufacturing master substrate used for manufacturing grooved molding substrate, method for manufacturing stamper for manufacturing grooved molding substrate, method for manufacturing grooved molding substrate, grooved molding substrate, memory medium, memory device, and computer
12/04/2003US20030223351 Optical recording medium and method for optically recording data in the same
12/04/2003US20030223350 Bonding layer which is made of an ultraviolet cured resin bonding the recording layer, a transparent layer which is bonded to the bonding layer, and an overcoating layer which is formed on the transparent sheet and is made of the ultraviolet
12/04/2003US20030223349 Optical recordable medium and process of recording thereon
12/04/2003US20030223348 Scratch-off material layer applied on optical recording media
12/04/2003US20030223347 Optical disk having wobble patterns representing control information
12/04/2003US20030223346 Optical disk apparatus
12/04/2003US20030223345 Optical disk apparatus with different transmission factors for polarized light
12/04/2003US20030223344 High-density reproduction-only optical disc and method of recording and/or reproducing data on the same
12/04/2003US20030223342 Optical disc, and method of and apparatus for recording signal onto the same
12/04/2003US20030223341 Apparatus, method and recording medium for only reproducing or recording/reproducing information with approximate analyzer
12/04/2003US20030223340 Optical pickup apparatus
12/04/2003US20030223339 Information recording medium, information recording device and method therefor, and computer program product and storage medium therefor
12/04/2003US20030223338 Recording method, recording medium, program, information recording medium, and information recording device
12/04/2003US20030223337 Optical disk apparatus, tilt compensation method, program, and information recording medium
12/04/2003US20030223336 Apparatus and method for compensating for tilt
12/04/2003US20030223335 Method of defect detection for optical disc drives
12/04/2003US20030223333 High density optical disc and method for reproducing and recording data thereof
12/04/2003US20030223332 Optical disk recording apparatus and optical disk recording method
12/04/2003US20030223331 Data recording controller
12/04/2003US20030223330 Recorded information reproducing apparatus
12/04/2003US20030223326 Apparatus and method for optical storage system focus control
12/04/2003US20030223325 Optical reproducing apparatus
12/04/2003US20030223323 Ejecting device
12/04/2003US20030223322 Production of master recording media
12/04/2003US20030223319 Optical disc player providing user-management function for MP3 files and method thereof
12/04/2003US20030223318 Digital contents playback apparatus
12/04/2003US20030223316 Information recording and reproducing head, information recording and reproducing apparatus, and information recording method
12/04/2003US20030223145 Method and apparatus detecting a defect signal of optical disc
12/04/2003US20030223124 Objective lens for optical recording medium and optical pickup device using it
12/04/2003US20030223101 System and method for bitwise readout holographic ROM
12/04/2003US20030223100 Disk with holographic security label applied thereto and method of applying label
12/04/2003US20030222965 Method and materials for entitling compact discs
12/04/2003US20030222928 CD recorder and printer
12/04/2003US20030222926 Cd recorder and printer
12/04/2003US20030222600 Power controller
12/04/2003US20030222195 Optical disc apparatus and method for controlling focus of the same
12/04/2003US20030221781 Milling apparatus
12/04/2003CA2487278A1 Optical data storage medium and use of such medium
12/03/2003EP1367586A1 Positioning control device and positioning control method
12/03/2003EP1367585A1 Disk device
12/03/2003EP1367577A1 Optical recording medium and method for optically recording data in the same
12/03/2003EP1367576A2 Lens driving apparatus and coil substrate thereof
12/03/2003EP1367575A2 Multi-beam semiconductor laser unit and optical head device
12/03/2003EP1367574A2 Pickup device
12/03/2003EP1367573A1 Optical pickup device
12/03/2003EP1367572A1 Optical pickup actuator
12/03/2003EP1367571A1 Method and apparatus for controlling movement of objective lens
12/03/2003EP1367570A2 Method of forming an image on an optical disk by radially vibrating a laser beam under focus control
12/03/2003EP1367569A2 Information recording apparatus and information recording method
12/03/2003EP1367568A1 An optical power calibration method for calibrating the writing optical power of optical disk drive
12/03/2003EP1367111A1 Photochromic material
12/03/2003EP1367087A2 Polyester film and recording tape
12/03/2003EP1366493A1 Method of embedding a secondary signal in the bitstream of a primary signal
12/03/2003EP1366389A1 Use of a data carrier for storing micro-images
12/03/2003EP1365918A1 Flooded nozzle detection
12/03/2003EP1365905A1 Method and installation for injection moulding a plastic article
12/03/2003EP1206774B1 Optical data carrier in the form of a disk
12/03/2003EP0939955B1 Flying optical head with dynamic mirror
12/03/2003EP0831471B1 Optical head and optical recorder
12/03/2003CN2590128Y Secondary servo system for mini disk driver
12/03/2003CN2590127Y Mini disk drive
12/03/2003CN1460265A Thrust load applying mechanism, and disk device having thrust load applying mechanism
12/03/2003CN1460264A Skew adjusting mechanism for pickup indisk device, and disk device having skew adjusting mechanism
12/03/2003CN1460257A Stamper for optical disk, method of mfg. optical disk, and optical disk
12/03/2003CN1460256A Optical recording medium and method of producing same
12/03/2003CN1460255A Offset measuring method
12/03/2003CN1460254A Information disk device and method for detecting direction of installed information disk device
12/03/2003CN1460253A Vibration detecting device and optical disk device having vibration detecting device
12/03/2003CN1460252A Optical disc apparatus
12/03/2003CN1460251A 光盘装置 CD-ROM device
12/03/2003CN1460191A Lens, combination lens and its mfg. method, optical pickup
12/03/2003CN1460071A Multi-layered optical disc
12/03/2003CN1459787A Apparatus and method for updating filter tap coefficient of balancer
12/03/2003CN1459786A Optical recording medium for recording power information of erasing mode
12/03/2003CN1459785A Optical system for recording regenerating, objective lens and optical pick device
12/03/2003CN1459784A Optical mechanism driving device