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)
04/2008
04/08/2008US7355931 Optical disc center error amplitude calibration
04/08/2008US7355930 Method of opening/closing a disk tray in a disk drive
04/08/2008US7355929 Magneto-optical disk and recording and/or reproducing method and recording and/or reproducing apparatus using the magneto-optical disk
04/08/2008US7355798 Optical system for collimating elliptical light beam and optical device using the same
04/08/2008US7354694 Optical recording medium; organic dye compounds sensitive to a visible light, light-resistant improvers in a recording layer; light absorbents
04/08/2008US7354122 Printing of redundantly encoded distributed data
04/03/2008WO2008039587A1 Authenticatable polymer articles comprising benzoxazole and benzothiazole authentication compounds
04/03/2008WO2008039156A1 Optical focusing system and method
04/03/2008WO2008038765A1 Optical information recording medium and azo metal complex dye
04/03/2008WO2008038717A1 Azo metal chelate dye and optical recording medium
04/03/2008WO2008038603A1 Metal-chelate azo dye and optical recording medium
04/03/2008WO2008038414A1 Bonding method and bonding apparatus
04/03/2008WO2008038413A1 Bonding method and bonding apparatus
04/03/2008WO2008038412A1 Bonding method and bonding apparatus
04/03/2008WO2008038234A1 Optical holographic device and method with gain compensation
04/03/2008WO2008037303A1 Linear motor for laser beam recorder
04/03/2008WO2008015621A3 Optical recording parameter control
04/03/2008WO2008013775A3 Non-linear optical device sensitive to green laser
04/03/2008WO2007098344A3 Secure optical information disc having a recess for accommodating a security tag
04/03/2008US20080081287 Includes fumaric acid substituted by a first acid labile group released by an acid; a polymer in which an alkali-soluble polymer soluble in an alkaline solution is substituted by a second acid labile group; and a photo-acid generator for generating an acid through irradiation with light
04/03/2008US20080081286 Good solubility, recording/reproducing properties, high light fastness; thermal stability and reproduction durability
04/03/2008US20080081285 Good solubility, recording/reproducing properties, high light fastness; thermal stability and reproduction durability
04/03/2008US20080081284 Good solubility, recording/reproducing properties, high light fastness; thermal stability and reproduction durability
04/03/2008US20080081181 Coated product containing a scratch-resistant layer having a high refractive index
04/03/2008US20080080361 Optical Recording Medium
04/03/2008US20080080358 Optical head and optical disc drive
04/03/2008US20080080357 Objective lens element with peripheral diffraction structure and central phase step structure for optical disks and optical head device incorporating the same
04/03/2008US20080080356 Optical pickup unit capable of preventing a PD flexible printed circuit board from peeling from a main surface of an OPU circuit board
04/03/2008US20080080355 Photodetector capable of correctly carrying out phase adjustment
04/03/2008US20080080354 Optical disc playback equipment and optical disc playback method
04/03/2008US20080080353 Device and method for writing data
04/03/2008US20080080352 Optical information recording medium, method and apparatus for recording and reproducing for the same
04/03/2008US20080080350 Optical disc having tracking polarity information, and apparatuses and methods for recording and reproducing user data on the same
04/03/2008US20080080349 Optical-disc discrimination method and optical disc apparatus
04/03/2008US20080080348 Focus control method and optical disc drive
04/03/2008US20080080347 Information recording method and apparatus, information processing apparatus, information recording system and computer-readable storage medium
04/03/2008US20080080345 Optical recording medium drive apparatus and method of determining the number of layers
04/03/2008US20080080343 Optical information storage medium and method of and apparatus for recording and/or reproducing information using different modulation methods
04/03/2008US20080080340 Optical pickup unit capable of preventing a laser diode from destroying from static electricity
04/03/2008US20080080339 Method of accessing information stored in predetermined data area on optical disc and information reproducing apparatus thereof
04/03/2008US20080080338 Optical disc having tracking polarity information, and apparatuses and methods for recording and reproducing user data on the same
04/03/2008US20080080337 Optical pickup device
04/03/2008US20080080336 Optical disk reproducing apparatus and optical disk reproducing method
04/03/2008US20080080335 Optical Recording Medium Utilizing Holography and Method for Manufacturing the Same and Optical Recording and Reproducing Apparatus
04/03/2008US20080080334 Optical pickup actuator capable of preventing adhesive agent in supporting portions of a damper base from deteriorating in strength
04/03/2008US20080080333 Optical disk apparatus
04/03/2008US20080080332 Recording medium type identification method and device
04/03/2008US20080080331 Integrated Circuit for Optical Disc
04/03/2008US20080080330 Tilt adjusting mechanism for objective lens
04/03/2008US20080080329 Optical disk apparatus and data read-out control method
04/03/2008US20080080328 Optical pickup unit capable of easily fixing a PD holder to an optical base
04/03/2008US20080080327 Information leak-preventing apparatus, and information leak-preventing method
04/03/2008US20080080325 Optical recording/reproducing apparatus with label printing feature
04/03/2008US20080080324 Write-once disc, recording apparatus thereto, and method of reducing access time thereto
04/03/2008US20080080323 Recording-and-reproducing apparatus and content-managing method
04/03/2008US20080080322 Recording apparatus
04/03/2008DE102006046160A1 Coated product used in the production of a data memory contains a substrate and a coating having a real part and an imaginary part of a complex refractive index, a specified surface roughness and a specified scratch resistance
04/02/2008EP1906402A2 Optical information recording medium
04/02/2008EP1906401A2 Optical information recording medium and azo-metal complex dye
04/02/2008EP1906400A1 Ultraviolet-curable resin composition and optical information recording medium
04/02/2008EP1906399A1 Object lens for an optical pickup device
04/02/2008EP1906398A1 Optical disk apparatus
04/02/2008EP1906397A1 Objective lens actuator and optical pickup device having the same
04/02/2008EP1906396A1 Tilt adjusting mechanism for objective lens
04/02/2008EP1906395A1 Camera module
04/02/2008EP1906394A1 Linear motor for laser beam recorder
04/02/2008EP1906393A2 Optical information storage medium
04/02/2008EP1906392A2 Optical information storage medium
04/02/2008EP1906391A1 Optical recording medium utilizing holography and method for manufacturing the same and optical recording and reproducing apparatus
04/02/2008EP1906265A1 Volume phase hologram recording material, process for producing the same, and recorded material
04/02/2008EP1906214A1 Electrowetting device, droplet operation device, and optical devices
04/02/2008EP1905039A1 Speed-down during linking
04/02/2008EP1905029A1 Optical information recording medium, image-recording method and method of utilizing a dye
04/02/2008EP1905028A1 Active compensation device, and compatible optical pickup and optical recording and/or reproducing apparatus employing the active compensation device
04/02/2008EP1905027A1 Optimization of spherical aberration to determine current layer
04/02/2008EP1905026A1 Estimation of maximum available write power of an optical storage drive
04/02/2008EP1905025A1 Laser power algorithm for low power applications
04/02/2008EP1905024A2 Optical pick-up and/or recording device
04/02/2008EP1905023A1 Tangential disc tilt measurement and corrective action
04/02/2008EP1905022A2 Scanning of multi-layer optical record carriers
04/02/2008EP1905021A2 An optical apparatus capable of generating adaptive control signals
04/02/2008EP1905020A1 Optical pick-up and/or recording device
04/02/2008EP1905019A1 Single spot cross-correlation tracking
04/02/2008EP1905018A1 Track writing with radial error offset correction
04/02/2008EP1905017A2 A method for gradually closing down a focus control loop of an optical drive system
04/02/2008EP1905016A2 Disc-drive apparatus and method
04/02/2008EP1905015A2 Method and apparatus for optical disc writing
04/02/2008EP1905014A2 Optimum tracking error compensation for improved optical disk playability
04/02/2008EP1595255A4 Identifier tag to track layers in a multi-layer optical disc
04/02/2008EP1529287A4 Method of recording addresses onto high-density read-only recording medium, a high-density read-only recording medium containing addresses recorded by the method, and reproducing method of the high-density read-only recording medium
04/02/2008CN201044173Y Ultra-discrimination optics reading head
04/02/2008CN201044172Y Portable DVD
04/02/2008CN101156204A A method for preventing interchange of optical information carriers
04/02/2008CN101156203A 光记录介质 The optical recording medium
04/02/2008CN101156202A Optical head device and optical information processor
04/02/2008CN101156201A Objective lens driving device, control circuit, optical disc device and objective lens driving method
04/02/2008CN101156200A Servo control device, servo control method, and disc recording or reproducing device
04/02/2008CN101156199A Holographic recording and/or read-out device and holographic carrier
04/02/2008CN101156198A Media treatment device
04/02/2008CN101154924A Photoreceiver/amplifier circuit, optical pickup device, and optical disk device