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)
11/2003
11/04/2003US6641889 Optical data storage medium containing a triazacyanine dye as the light-absorbing compound in the information layer
11/04/2003US6641887 Optical recording medium
11/04/2003US6641886 Directory read inhibitor for optical storage media
11/04/2003US6641878 Optical pickup device holding container
10/2003
10/30/2003WO2003090222A1 Optical recording medium, magnetooptic recording medium, information recording/reproducing device, information recording/reproducing method and magnetic recording device
10/30/2003WO2003090221A1 Limited play data storage media and method for limiting access to data thereon
10/30/2003WO2003090220A1 Method for making limited play data storage media
10/30/2003WO2003090219A1 Limited play data storage media and method for limiting access to data thereon
10/30/2003WO2003090218A2 Optical recording medium
10/30/2003WO2003090217A1 Optical recording medium, magnetooptic recording medium and information recorder/reproducer
10/30/2003WO2003090216A1 Optical recording medium, manufacturing method thereof, optical recording method, optical reproduction method, optical recording device, optical reproduction device, and optical recording/reproduction device
10/30/2003WO2003090215A1 Optical information recording method, optical information recording device, and optical information recording medium
10/30/2003WO2003090214A1 Optical recording medium identifying device and optical recording medium identifying method
10/30/2003WO2003090210A2 Optical disc construction
10/30/2003WO2003089528A2 Coating formulations for data storage media
10/30/2003WO2003052751A3 Colored optical discs and methods for making the same
10/30/2003WO2003034146A3 Solvent composition and process for manufacturing an optical recording medium using said composition and optical recording medium
10/30/2003WO2003032298A3 Optical disc player with focus pull-in function
10/30/2003US20030204347 Method and apparatus for characterizing the microwaviness of a disk surface
10/30/2003US20030203148 High density optical recording media; photosensitivity, chemical resistance, heat resistance, stability
10/30/2003US20030203147 Optical information recording medium
10/30/2003US20030202778 Recording medium having recording program recorded therein and recording apparatus and method
10/30/2003US20030202636 Device for reading flexible storage foils
10/30/2003US20030202458 Benzoindole styryl compounds and their uses in high-density recording media
10/30/2003US20030202454 Optical pickup device
10/30/2003US20030202453 Optical pickup and a wedge beam splitter
10/30/2003US20030202452 Multilayer metallic structure; radiation with laser beams
10/30/2003US20030202451 Recording reproducing optical system, objective lens, and aberration correcting optical element
10/30/2003US20030202450 Optical pick-up apparatus
10/30/2003US20030202449 Detection apparatus, detection method and electron beam irradiation apparatus
10/30/2003US20030202445 Data reproduction control method and apparatus, and optical disk unit
10/30/2003US20030202444 Method and apparatus for identifying the type of optical recording medium
10/30/2003US20030202442 Optical disk recording/reproduction apparatus and write power control method
10/30/2003US20030202440 Optical disc and optical disc address reading apparatus and method
10/30/2003US20030202439 Data recording controller
10/30/2003US20030202438 System and method for detecting tracking error
10/30/2003US20030202437 Optical disc drive, method of moving beam spot and computer-executable program implementable by the optical disc drive
10/30/2003US20030202436 Recording disc and apparatus and method for reproducing recorded information
10/30/2003US20030202435 Objective lens unit
10/30/2003US20030202434 Optical head device
10/30/2003US20030202433 Method of compensating for variations in track pitches of optical discs
10/30/2003US20030202432 Method of compensating for seek errors of pickup assembly
10/30/2003US20030202431 Method for managing summary information of play lists
10/30/2003US20030202429 Magneto-optical recording method and apparatus for recording information by using pulsed laser and modulation magnetic field
10/30/2003US20030202270 Disc drive with reduced write latency
10/30/2003US20030202261 Tilting device for lens
10/30/2003US20030202255 Bi-convex solid immersion lens
10/30/2003US20030201383 Optical pickup
10/30/2003US20030201065 Optical information recording medium and its manufacturing method and apparatus
10/29/2003EP1357551A2 Optical recording medium and method for optically recording data in the same
10/29/2003EP1357550A1 Disc reproducer
10/29/2003EP1357549A2 Method of controlling tilt servo in DVD system
10/29/2003EP1357548A2 Optical disc drive, method of moving beam spot and computer-executable program therefor
10/29/2003EP1357547A1 Optical record medium, optical record medium matrix, apparatus for manufacturing optical record medium, and optical recording/reproducing apparatus
10/29/2003EP1357546A1 Optical disk, recording device for optical disk, reproducing device for optical disk, method of reproducing optical disk and method of producing optical disk
10/29/2003EP1357545A1 Signal shaping circuit
10/29/2003EP1356467A1 Optical information medium and a method of manufacturing the medium
10/29/2003EP1356466A2 Servo circuitry for counting tracks on an optical storage medium
10/29/2003EP1356465A1 Positioning control for read and/or write head
10/29/2003EP1356464A1 Record carrier of the optical type and a device for recording and/or playback for use with such a record carrier
10/29/2003EP1356364A1 Method and device for generating a synchronisation variable and the corresponding integrated circuit and digital disc drive
10/29/2003EP1356361A2 Data storage media
10/29/2003EP1242997B1 Photorefractive holographic recording media
10/29/2003CN2583767Y Bar code optical disk
10/29/2003CN2583766Y Optical disk display device having focus pull-in function
10/29/2003CN1452771A Reflecting layer, optical recording medium having same and sputtering target for forming reflecting layer
10/29/2003CN1452770A Optical disk with pattern and its mfg. methods
10/29/2003CN1452642A Method for preparation of polycarbonates
10/29/2003CN1452240A Integrated circuit element installation structure and method
10/29/2003CN1452171A Device and method for changing recording speed on optical recording medium during recording operating
10/29/2003CN1452168A Increased accuracy data processing method, circuit and apparatus
10/29/2003CN1452167A Device and method for detecting sector synchronous signal on optical memory medium
10/29/2003CN1452164A Improved encoding device and method for CD R & W device
10/29/2003CN1452163A Multilayer film information storage medium capable of covering and writing
10/29/2003CN1452162A Disposable high-density multifunction digital storage medium and mfg. method thereof
10/29/2003CN1452161A Device and method for compensation of wow flutter in holographic digital data memory system
10/29/2003CN1452160A Information recording and reproducing device
10/29/2003CN1452067A Device and method for ready to change data to prevent intial data for unauthorized being readed/executed
10/29/2003CN1452053A Data input method for holographic digital data memory system
10/29/2003CN1126102C Writing device, method of writing information blocks and reading device for reading information blocks
10/29/2003CN1126101C Writing device and method and reading device for reading information blocks
10/29/2003CN1126097C CD playing back device
10/29/2003CN1126095C 数据信号重现方法和系统 Data signal reproduction method and system
10/29/2003CN1126085C Optical pick-up
10/29/2003CN1126084C Optical pickup and optical pickup objective lense assembling method
10/29/2003CN1126083C Optical disk and method of playback thereof
10/29/2003CN1126082C Optical recording medium, reproduction apparatus of optical disk, reproduction method of optical disk, production method of original disk of optical disk and illegal program operation stop method
10/29/2003CN1126081C Device for amplifying and converting current sygnals into voltage signals
10/29/2003CN1126079C Optical disk marking generating appts. and method, reproducing appts. optical disk and optical disk producing method
10/29/2003CN1126078C Method and apparatus for preventing illegal copying and illegal installation of information on optical recording medium
10/29/2003CN1126062C Output device for digitally stored data on data carrier
10/28/2003US6639892 Optical data recording medium excellent in recording sensitivity and recording property
10/28/2003US6639891 Data recording/reproduction apparatus having tilt angle adjustment mechanism
10/28/2003US6639890 Optical disk drive for precisely adjusting the intensity of laser light irradiated onto an optical disk
10/28/2003US6639889 Recording/reproducing apparatus including an optical pickup having an objective lens compatible with a plurality of optical disk formats
10/28/2003US6639888 Information reading and recording device for optical disk
10/28/2003US6639887 Optical apparatus with laser light receiver and focus error generator in the same layer
10/28/2003US6639884 Method and apparatus for controlling high-speed rotation of optical disc
10/28/2003US6639882 Pre-pit detecting apparatus
10/28/2003US6639878 Method and apparatus for characterizing and improving optical drive performance
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