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)
05/2012
05/09/2012EP2450888A1 Power adjusting method, information recording method and information recording medium
05/09/2012EP2450387A1 Photopolymer formulation for producing holographic media
05/09/2012EP1647978B1 Focus controlling device and method, and focus control program
05/09/2012EP1488420B1 Usage management method and usage management apparatus
05/09/2012CN1750131B Swing signal generation system and method, swing detection circuit and optical storage device
05/09/2012CN102449693A Apparatus for using content, usage method of the content, computer program, recording medium and integrated circuit
05/09/2012CN102446530A Data detecting device, reproducing device, and data detecting method
05/09/2012CN102446522A Method for adjusting thickness of white sheet during production of optical disc
05/09/2012CN102446521A Multifunctional digital video disk and manufacturing method thereof
05/09/2012CN102446520A Thailand digital stamp
05/09/2012CN102446519A Optical pickup and optical information recording and reproducing apparatus
05/09/2012CN102446518A Method for controlling optical power
05/09/2012CN102446517A Optical pickup device
05/09/2012CN102442999A Photochromic pyrimidine-thiophene mixed octafluorocyclopentene compound, synthesis method and application thereof
05/09/2012CN102442776A Substrate glass for data storage medium and glass substrate
05/09/2012CN101517644B Method and apparatus for recording and/or reproducing data to and/or from a holographic storage medium
05/09/2012CN101477811B Optical storage device and process for eliminating write power transient
05/09/2012CN101473376B Optical pickup device, optical pickup control device and optical pickup control method
05/09/2012CN101295068B Objective lens for optical pick-up
05/08/2012US8176505 Method of manipulating data storage elements
05/08/2012US8174954 Optical information recording and reproducing method and optical information recording and reproducing apparatus
05/08/2012US8174953 Input current channel device
05/08/2012US8174952 Light source unit, optical detector unit, optical pickup device, and optical disk device
05/08/2012US8174951 Optical information recording method and apparatus
05/08/2012US8174950 Optical tape embossing drum and optical tape embossing drum shim
05/08/2012US8174949 Systems and methods for format efficient timing recovery in a read channel
05/08/2012US8174948 Optical recording medium, information recording method, and information reproducing method
05/08/2012US8174947 Evaluation apparatus and evaluation method
05/08/2012US8174946 Optical disk apparatus and method of controlling optical disk apparatus
05/08/2012US8174945 Multi-layered optical disk and optical disk device capable of addressing a focus lead-in operation
05/08/2012US8174944 Write strategy calibration for optical drives
05/08/2012US8174942 Data recording method capable of replacing defective data on different location in spare areas
05/08/2012US8174941 Optical disc apparatus, crosstalk correction method and integrated circuit
05/08/2012US8174940 Optical disc apparatus for executing recording or reproducing onto/from a multilayered optical disc having at least 3 layers
05/08/2012US8174939 Optical head and optical disc device
05/08/2012US8174938 Optical disc apparatus and method of controlling the same
05/08/2012US8173239 Information recording medium, method for producing the same, and sputtering target
05/08/2012CA2497770C Method and apparatus for preserving data-recording status of a write-once recording medium, and write-once recording medium therefor
05/03/2012WO2012056827A1 Optical pickup device
05/03/2012WO2012056616A1 Apparatus and method for manufacturing optical recording medium
05/03/2012WO2011118006A9 Transfer apparatus and method, and computer program
05/03/2012US20120106313 Optical Disk Device and Optical Disk Discriminating Method
05/03/2012US20120106312 Optical pickup device
05/03/2012US20120106311 Compatible optical pickup and optical information storage medium apparatus using the same
05/03/2012US20120106310 Optical head device and optical disc device
05/03/2012US20120106308 Optical recording medium and recording device
05/03/2012US20120106307 Optical disc apparatus and defocus correcting method
05/03/2012US20120106306 Integrated circuit and optical disc apparatus
05/03/2012US20120106305 Multilevel Recording Method and System Thereof
05/03/2012US20120105936 Micromirror unit and method of making the same
05/02/2012EP2447945A1 Optical recording medium
05/02/2012EP2446438A1 Data disc, method and system of forming the disc
05/02/2012EP2446437A1 Master disc having a ptm layer and a nickel undercoat
05/02/2012EP2166535B1 Sheet material for multilayer optical recording medium, multilayer structural body for optical recording medium, and multilayer optical recording medium
05/02/2012CN202210411U Motor and worm assembling device of DVD movement
05/02/2012CN202210410U Wire arrangement structure for optical-header data lines of movement
05/02/2012CN102439663A Prerecorded optical recording medium
05/02/2012CN102439662A Optical memory device and method of recording/reproducing information by using the same
05/02/2012CN102436831A Recording apparatus, recording method, recording medium, reproducing apparatus and reproducing method
05/02/2012CN102436828A Turkey digital stamp
05/02/2012CN102436827A Combined digital stamp
05/02/2012CN102436826A Philippine digital stamp
05/02/2012CN102436825A Portugal digital stamp
05/02/2012CN102436824A Chinese digital stamp
05/02/2012CN102436823A Semiconductor laser device, optical pickup apparatus, and method of manufacturing semiconductor laser device
05/02/2012CN102081938B Glue feeding device and feeding method
05/02/2012CN101853686B Method and apparatus for recording management information on a recording medium and the recording medium
05/02/2012CN101847422B Optical pickup device
05/02/2012CN101816043B 光盘装置和聚焦控制方法 The optical disc device and focus control method
05/02/2012CN101783152B CD-fixing device
05/02/2012CN101727923B Multilayer-optical-disc data-erasure method and optical disc apparatus
05/02/2012CN101727921B Optical disk device and optical disk processing system
05/02/2012CN101714360B Method for performing track-seeking in an optical disk drive, method for processing multiple commands and optical disk player
05/02/2012CN101552011B Laser driving circuit, its recording compensation method and optical-disk apparatus
05/02/2012CN101546569B Focus servo method, optical reproducing method, and optical reproducing apparatus
05/02/2012CN101414468B Optical pickup and disc drive apparatus
05/02/2012CN101383163B Optical disc and reading and recording method
05/02/2012CN101359489B Object lens, optical pickup, and optical disc device
05/02/2012CN101325066B Recording apparatus and recording method
05/02/2012CN101320574B Optical system adjusting method
05/02/2012CN101261867B Defect management information management method for write-once optical recording medium
05/02/2012CN101191194B Sputtering target and manufacturing method therefor, and optical recording medium and manufacturing method therefor
05/02/2012CN101131316B System and device for measuring the thickness an optical disc and corresponding machine-readable medium
05/02/2012CN101075447B Apparatus and method for recording and/or reproducing data to/from recording medium
05/02/2012CN101042887B Recording medium, method of configuring control information thereof, recording and reproducing method using the same, and apparatus thereof
05/02/2012CN101025980B Apparatus for recording management information on write-once optical disc
05/01/2012USRE43337 Method for decoding disc information
05/01/2012US8171506 Optical-system driving device effecting switchover between objective lenses for achieving focal spots
05/01/2012US8169883 Optical disk, method for manufacturing the same, and method for recording and method for reproducing data using optical disk
05/01/2012US8169881 Thermally assisted recording head having recessed waveguide with near field transducer and methods of making same
05/01/2012US8169880 Optical pickup having radially arranged lenses in a low profile construction
05/01/2012US8169879 Optical recording system to record information with light
05/01/2012US8169878 Optical pickup apparatus, objective optical element and optical information recording reproducing apparatus
05/01/2012US8169877 Optical disc apparatus
05/01/2012US8169876 Optical information recording method, optical information reproducing method, optical information recording apparatus and optical information reproducing apparatus
05/01/2012US8169875 Optical pickup device and method of manufacture therefor
05/01/2012US8169874 Optical recording medium, information recording method, and information reproducing method
05/01/2012US8169873 Optical recording medium, information recording method, and information reproducing method
05/01/2012US8169872 Optical recording medium, information recording method, and information reproducing method
05/01/2012US8169871 Hybrid laser diode drivers that include a state machine
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