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)
04/2005
04/05/2005US6876613 Disc crack detection method and method of controlling speed of disc drive using the same
04/05/2005US6876612 Information recording apparatus and method
04/05/2005US6876611 Optical recording method and optical recording device
04/05/2005US6876609 System and method for controlling a spin motor
04/05/2005US6876608 Optical disc apparatus
04/05/2005US6876607 Data recording method and apparatus for reducing fluctuation in DC component
04/05/2005US6876606 Motor control apparatus, disk apparatus and acceleration detection device
04/05/2005US6876604 Optically assisted magnetic recording device, optically assisted magnetic recording head and magnetic disk device
04/05/2005US6876502 Optical system and optical pickup apparatus therewith
04/05/2005US6876501 Objective lens, coupling lens, light converging optical system, and optical pick-up apparatus
04/05/2005US6875833 Monomers with trinuclea groupings, which are capable of absorbing the electromagnetic radiation of visible light, and are structured so that in their thermodynamically stable state they are distended and strongly anisomteric
04/05/2005US6875491 Polycarbonate composition, write once read many optical disc substrate and write once read many optical disc using same and process for production of write once read many optical disc
04/05/2005US6875489 Optical recording medium
04/05/2005US6875488 Optical information recording medium
04/05/2005US6874686 Optical readout device
04/05/2005US6874350 Apparatus and method for testing mechanical endurance of a surface of an optical disc
04/05/2005US6874262 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
03/2005
03/31/2005WO2005029492A1 Recording/reproducing device and recording medium
03/31/2005WO2005029488A1 Information recording/reproduction device, information recording/reproduction method, and recording medium
03/31/2005WO2005029486A1 Optical information processor
03/31/2005WO2005029485A1 Recording head for magneto-optical recording device and magneto-optical recording device comprising the same
03/31/2005WO2005029484A1 High density readable only optical disc and method of preparing the same
03/31/2005WO2005029483A1 Recording media
03/31/2005WO2005029482A1 Two-layer phase-change information recording medium and its recording/reproducing method
03/31/2005WO2005029481A1 Photo diode ic
03/31/2005WO2005029480A1 Aberration adjuster, optical pickup, optical information recording medium, program, storage medium and aberration adjusting method
03/31/2005WO2005029479A1 Recording/reproducing method and recording/reproducing device
03/31/2005WO2005029478A1 Optical recording medium tilt compensating apparatus and method, and optical information processing apparatus
03/31/2005WO2005029477A1 Tracking device
03/31/2005WO2005029476A1 Information recording device and information recording/reproducing device
03/31/2005WO2005029475A2 Wobble signal demodulating method, wobble signal demodulating circuit, and optical disk device
03/31/2005WO2005029474A1 Information recorder and information recording system
03/31/2005WO2005029473A1 Recording condition setting method, recording method, recording medium, and optical disc device
03/31/2005WO2005029472A2 Optical record carrier recording method, optical record carrier and apparatus for writing information
03/31/2005WO2005029202A1 Holographic recording method, device thereof, and holographic recording/reproduction device
03/31/2005WO2005029164A1 Optical device
03/31/2005WO2005017886A3 Recordable optical record carrier for multilevel and method for writing thereon
03/31/2005WO2005015548A3 Optical disc device
03/31/2005WO2005004121A3 Recording method, recording apparatus, and recording medium
03/31/2005WO2004102551A3 Metal complexes for use in optical recording media
03/31/2005WO2004086385B1 Optical disc device
03/31/2005WO2004051634A3 Method of reading data from a multi-layer holographic memory
03/31/2005US20050070678 Homopolymers which exhibit a high level of photo-inducable birefringence
03/31/2005US20050069671 Information medium
03/31/2005US20050069669 Optical element, and manufacturing method thereof
03/31/2005US20050069344 CD recorder and printer
03/31/2005US20050069006 Monolithic multi-wavelength laser device including a plurality of lasing parts and method of fabricating the same
03/31/2005US20050069002 Laser driving device
03/31/2005US20050068883 Optical recording medium and method for production of optical recording medium
03/31/2005US20050068882 Optical disk apparatus and laser control method
03/31/2005US20050068881 Optical pick-up system, optical pick-up device, and optical information recording and/or reproducing apparatus
03/31/2005US20050068880 Optical disk device
03/31/2005US20050068879 Optical scanning device
03/31/2005US20050068878 Data recording apparatus
03/31/2005US20050068877 Optical disc having variable spare area rates and method for variably setting the rate of spare areas in the optical disc
03/31/2005US20050068875 Method of detecting data structure of non-return-to-zero data in an optical storage device
03/31/2005US20050068874 Record carrier
03/31/2005US20050068873 Optical disc identification apparatus and method
03/31/2005US20050068872 Apparatus and method for detecting optical disc type and/or adjusting track balance
03/31/2005US20050068871 System and method of determining optimum power for writing to an optical disc
03/31/2005US20050068870 Optical information recording method, optical information recording equipment and optical information recording medium
03/31/2005US20050068869 Information record apparatus and method, information record and reproduction apparatus and method, and computer program product
03/31/2005US20050068866 Single VCO/loop filter to control a wobble and read circuit of a DVD and/or CD recorder
03/31/2005US20050068865 Recording apparatus and recording method
03/31/2005US20050068864 Method and apparatus for tracking error detection in optical disk driver
03/31/2005US20050068863 Method for controlling pick-up head during a long seek
03/31/2005US20050068862 Method and apparatus for achieving a short seek with a stepping motor
03/31/2005US20050068861 Track-locking method and apparatus for optical disk drive
03/31/2005US20050068860 Optical disc device
03/31/2005US20050068859 Focus pull-in apparatus and method thereof
03/31/2005US20050068858 Generating notifications by powered-down devices
03/31/2005US20050068857 Optical disc reproducing apparatus
03/31/2005US20050068856 Method of on-line adjusting a sled motor control signal (FMO)
03/31/2005US20050068854 Optical recording/reproducing method and optical recording medium
03/31/2005US20050068642 Optical head device and manufacturing method therefor
03/31/2005US20050068622 Polarizing beam splitting film and polarizing beam splitting prism
03/31/2005US20050068412 Enhancing optical density
03/31/2005US20050067087 Manufacturing method of prism having multilayer film on its surface
03/31/2005US20050066825 Method for manufacturing stamper for information medium manufacture, stamper, and photoresist original disk
03/31/2005DE10339318A1 Laufwerk Drive
03/31/2005DE10333447A1 Receiver e.g. for quadrature amplitude modulation, includes device for determining reference magnitude in the form of reference magnitude and/or reference phase from digitalized input signal
03/31/2005CA2539308A1 Optical record carrier recording method, optical record carrier and apparatus for writing information
03/30/2005EP1519379A1 Optical recording medium, information processing device using the recording medium, and data recording method
03/30/2005EP1519370A1 Information medium with printable surface layer
03/30/2005EP1519369A1 Information medium having printable layer
03/30/2005EP1519368A2 Hologram recording and reproduction apparatus, hologram recording and reproduction method and holographic recording medium
03/30/2005EP1519367A2 Information record apparatus and method, information record and reproduction apparatus and method, and computer program product
03/30/2005EP1519366A2 Optical information recording method, optical information recording equipment and optical information recording medium
03/30/2005EP1519365A2 Optical recording/reproducing method and apparatus
03/30/2005EP1518899A2 Photocurable adhesive and bonding process employing same
03/30/2005EP1518880A1 Optical recording medium
03/30/2005EP1518236A1 Optimized medium with anisotropic dipole emission for fluorescent single or multi layer storage
03/30/2005EP1518235A1 Corrosion resistive silver metal alloys for optical data storage and recordable optical storage media containing same
03/30/2005EP1518234A1 Multi-layer optical storage using pre-orientation in a glass matrix
03/30/2005EP1518233A1 Optical scanning device including a tilt tolerant objective system
03/30/2005EP1518232A1 Intrinsically safe pick-up for reproduction or recording devices for different optical recording media
03/30/2005EP1518231A1 Method and device for determining a set of recording pulse series parameters for optical carrier recording, and optical record carrier
03/30/2005EP1518230A1 Information storage medium and method of recording and/or reproducing data thereon
03/30/2005EP1518229A1 Optical data storage medium and use of such medium
03/30/2005EP1518228A1 Multi-layered high-density recording medium and optical power adjusting method therefor
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