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
11/13/2003US20030210641 Object lens driving device and optical head having the same
11/13/2003US20030210639 Objective lens for optical pickup
11/13/2003US20030210638 Optical pickup using an optical phase plate and which is compatible with optical recording media of dirrerent types
11/13/2003US20030210637 Optical disc head including a bowtie grating antenna and slider for optical focusing, and method for making
11/13/2003US20030210636 Information recording method
11/13/2003US20030210634 Multi-value data recording and reproducing device
11/13/2003US20030210633 Optical information recording method and optical information recording medium
11/13/2003US20030210632 Optical disk apparatus
11/13/2003US20030210631 Determination of maximum storage capacity of optical information record medium
11/13/2003US20030210630 Optical disk having anti-piracy function and method of fabricating and authenticating the optical disk
11/13/2003US20030210628 Apparatus and method for compensating for tilt
11/13/2003US20030210627 Method of immediate writing or reading files on a disc like recording medium
11/13/2003US20030210625 Method for determining writing power of data recording devices
11/13/2003US20030210624 Method of controlling laser power of main beam by monitoring sub beam
11/13/2003US20030210622 Apparatus and method for generating tracking error signal
11/13/2003US20030210621 Rotation control circuit, semiconductor integrated circuit, optical disk drive and method for controlling the same
11/13/2003US20030210620 Optical disk medium and drive system
11/13/2003US20030210619 Optical disc drive and optical disc controller
11/13/2003US20030210615 Method for recording plural rows of record marks in one track in a magneto-optical recording device
11/13/2003US20030210489 Data eraser and data erasing program
11/13/2003US20030209304 Bonding apparatus and bonding method of optical disks
11/12/2003EP1361576A2 Write protect for rewritable compact disks and digital video disks
11/12/2003EP1361575A2 Replace processing method and replace processing apparatus
11/12/2003EP1361574A2 Multi-value data recording and reproducing device
11/12/2003EP1361573A2 System and method for detecting tracking error
11/12/2003EP1361572A1 Light spot advancing direction judging device and method, optical head device control device and method, and optical disk recording/reproducing device
11/12/2003EP1361571A1 A recording strategy generation method and an optical information recording medium
11/12/2003EP1361570A2 Information recording method information recording apparatus and optical information recording medium
11/12/2003EP1361569A2 Optical information recording method and optical information recording medium
11/12/2003EP1361461A1 Wavelength selective diffraction element and optical head device
11/12/2003EP1361041A2 Method of and apparatus for manufacturing multi-layer optical information recording medium
11/12/2003EP1360690A1 Record carrier, playback apparatus and information system comprising a record carrier and a playback apparatus
11/12/2003EP1360689A1 Data copy-protecting system for creating a copy-secured optical disc and corresponding protecting method
11/12/2003EP1360688A2 Medium for recording optically readable data, method for making same and optical system reproducing said data
11/12/2003EP1360687A1 Apparatus for writing an optical record carrier
11/12/2003EP1360238A2 Data storage media containing transparent polycarbonate blends
11/12/2003EP1208565B1 Optical information medium having separate recording layers
11/12/2003EP1066628B1 Record carrier and apparatus for scanning the record carrier
11/12/2003EP0888614B1 Optical recording medium
11/12/2003CN1455928A Head slider with actuator for fine positioning and method of manufacturing the head slider
11/12/2003CN1455924A Optical disk
11/12/2003CN1455923A Apparatus for writing an optical record carrier
11/12/2003CN1455922A Light spot shaping device and method, light pickup device, and optical disk apparatus
11/12/2003CN1455921A Track error signal generator, track error signal generation method, controller, and control method
11/12/2003CN1455920A 光学记录介质 The optical recording medium
11/12/2003CN1455825A ZnS-SiO2 sputtering target and optical recording medium having ZnS-SiO2 protective film for phase change type optical disk formed by using said target
11/12/2003CN1455482A Method for making semiconductor laser device
11/12/2003CN1455405A Method and apparatus for identifying optical record medium type
11/12/2003CN1455402A Optical recording medium and method of optical recording data therein
11/12/2003CN1455401A Optical recording medium and method of optical recording on same
11/12/2003CN1455400A Short wavelength erasable rewrite optical information memory material and method of preparing the same
11/12/2003CN1455399A Optical pick-up device and its making method
11/12/2003CN1455398A Optical pick-up device
11/12/2003CN1455397A Optical pick-up device and wedge spectroscope
11/12/2003CN1455396A Apparatus for driving object-glass of optical pick-up head
11/12/2003CN1455395A Information recording and reproducing apparatus and information recording method
11/12/2003CN1455394A Holographic optical-disk memory device of optical-fiber guide polarized complexing
11/12/2003CN1455393A Write-recording speed regulating method of data recording device
11/12/2003CN1127732C Gimbal spring and suspension assembly for head gimbal assembly
11/12/2003CN1127726C Objective lens driving device and method for manufacturing the same
11/12/2003CN1127725C Optical read-out device and CD player
11/12/2003CN1127724C Apparatus and detection unit for scanning optically readable record carrier
11/12/2003CN1127722C Method and device for regulating optical axle angle of CD device
11/12/2003CN1127721C Optical disc device
11/11/2003US6646978 Optical storage medium with improved substrate structure to provide uniform signal quality
11/11/2003US6646977 Resonance removing mechanism
11/11/2003US6646976 Optical pickup apparatus capable of reducing cross talk by adjacent tracks and a method therefor
11/11/2003US6646975 Semiconductor laser array and its manufacturing method, optical integrated unit and optical pickup
11/11/2003US6646972 Optical pickup device and optical disc device
11/11/2003US6646970 Thermomagnetic writing of pulse sequences of controlled magnitude and variably controlled duration
11/11/2003US6646969 Information recording medium which records information that pertains to integrity
11/11/2003US6646968 Magneto-optical recording apparatus and method including method for presetting optimum recording power of recording apparatus
11/11/2003US6646967 Method for making copy protected optical discs
11/11/2003US6646965 Method and apparatus for establishing manufacturing-specific test writing parameters for writing of writable optical storage media
11/11/2003US6646964 Harmonic correction in phase-locked loops
11/11/2003US6646963 Optical recording medium, method for recording/reproducing the optical recording medium and apparatus for recording/reproducing the optical recording medium including a wobbled groove
11/11/2003US6646962 Apparatus for detecting dropout, an error signal extracting unit, and unit for identifying type of dropout in an optical pickup
11/11/2003US6646961 Optical recording medium driving apparatus
11/11/2003US6646817 Objective lens for optical recording media and optical pickup apparatus using the same
11/11/2003US6646574 Method for recording information, method for reproducing information, and information recording apparatus
11/11/2003US6646132 Information recording medium and novel oxonol compound
11/11/2003US6646098 5% weight reduction start temperature measured by thermogravimetric analysis of </= 400 degrees C in a total of </= 1 wt%
11/11/2003US6645793 Manufacturing method and manufacturing device of microstructure
11/11/2003US6645596 Optical disk and ultraviolet-curing composition for optical disk
11/11/2003US6645595 Optical medium
11/11/2003US6645594 Formazan metal complex
11/11/2003US6645352 For manufacturing data storage disks
11/11/2003US6644821 Galvanometer mirror
11/11/2003CA2220062C Cationically polymerizable epoxy resins and optical information recording medium made therefrom
11/06/2003WO2003092003A1 Optical disc device and optical disc recording method
11/06/2003WO2003091999A1 Optical pickup
11/06/2003WO2003091998A1 Optical information storage medium and method of recording thereon
11/06/2003WO2003091997A1 Holographic data storage system
11/06/2003WO2003091995A1 Parallel recording and reading of diffractive memory using multiple object beams
11/06/2003WO2003091994A1 Optical recording medium judgment device and optical recording medium judgment method
11/06/2003WO2003091992A1 Optical recording medium judgment device and optical recording medium judgment method
11/06/2003WO2003091991A1 Optical data-storage apparatus employing optical media with three-dimensional data pattern
11/06/2003WO2003091935A2 Device for recording data on a medium, method implemented in such a device and recording medium obtained from said device.
11/06/2003WO2003091809A1 Fast duplication of diffractive storage device for mass production
11/06/2003WO2003091805A1 Method, device and computer program product for lithography
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