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)
09/2003
09/02/2003US6612789 Compact disc shaping apparatus and method
09/02/2003US6612558 Apparatus for fixing substrates
08/2003
08/28/2003WO2003071642A1 Semiconductor light emitting device and optical disk unit using it
08/28/2003WO2003071539A1 Disk data storage media with edge track data surface
08/28/2003WO2003071536A1 Method for controlling access to disc data and method for identifying disc
08/28/2003WO2003071535A1 Data recording medium, data recording method and apparatus, data reproducing method and apparatus, data transmitting method, and data receiving method
08/28/2003WO2003071532A1 Magneto-optical recording medium and recording/reproduction apparatus thereof
08/28/2003WO2003071531A1 Sputtering target for phase-change memory, film for phase change memory formed by using the target, and method for producing the target
08/28/2003WO2003071530A1 Ultraviolet-curable resin composition for optical discs
08/28/2003WO2003071529A1 Optical pickup and disk drive unit
08/28/2003WO2003071528A1 Controlling the temperature of a laser diode in a disk drive
08/28/2003WO2003071527A1 Optical pickup apparatus capable of compensating thickness deviation of optical recording media
08/28/2003WO2003071526A1 Optical head device, and optical recording/reproducing device
08/28/2003WO2003071525A1 Optical recording medium initialization method
08/28/2003WO2003071524A2 Methods and devices for recording marks on a recording surface of an optical record carrier and optical record carriers therefor
08/28/2003WO2003071477A1 Record carrier comprising an integrated circuit
08/28/2003WO2003071356A1 Resist material and microfabrication method
08/28/2003WO2003070479A1 Optical recording medium and optical recording method
08/28/2003WO2003070444A2 Injection molding device
08/28/2003WO2003036629A3 Optical disc medium, data recording method, and data recording apparatus
08/28/2003WO2003034412A3 Optical record carrier and optical scanning device
08/28/2003WO2003030158A3 Optical data medium containing; in the information layer, a dye as a light-absorbing compound
08/28/2003WO2002082438A3 Optical recording materials having high storage density
08/28/2003US20030162963 Novel expanded porphyrins and process for the synthesis thereof
08/28/2003US20030162124 Compound which performs non-resonant two-photon absorption, non-resonant two-photon light-emitting compound and non-resonant two-photon absorption induction method and process for emitting light thereby, optical data recording medium and process for recording data thereon, and two-photon polymerizable composition and process for polymerization thereof
08/28/2003US20030162031 Polycarbonate articles and adhesive composition therefor
08/28/2003US20030161988 High density optical disk
08/28/2003US20030161987 Optical recording medium
08/28/2003US20030161257 Optical disk and method of producing the same
08/28/2003US20030161256 Optical disk
08/28/2003US20030161255 Optical record medium and its manufacturing method, and injection molding machine
08/28/2003US20030161254 Dual density disc with associated properties
08/28/2003US20030161252 Objective lens driving unit
08/28/2003US20030161251 Objective lens drive device, and optical pickup device using objective lens drive device
08/28/2003US20030161249 Optical head and its adjusting method and optical disk device using the same
08/28/2003US20030161248 Optical recording medium and recording method onto the optical recording medium
08/28/2003US20030161247 Multi-layered holographic read-only memory and data retrieval method
08/28/2003US20030161246 Holographic disc recording system
08/28/2003US20030161245 Phase-change microhead array chip hard disk drive
08/28/2003US20030161238 Optical disk recording and/or reproducing apparatus, and recording and/or reproducing method
08/28/2003US20030161237 Optical disk device
08/28/2003US20030161235 Information-reproducing apparatus equipped with PLL circuit
08/28/2003US20030161234 Apparatus for and method of detecting phase difference between phase reference signal and wobble
08/28/2003US20030161233 Data recording medium data recording apparatus and method, and data reproducing apparatus and reproducing method
08/28/2003US20030161232 Tilt control device for optical disk and tilt control method
08/28/2003US20030161231 Disk type determining apparatus, optical disk reproducing apparatus and tracking error signal generating apparatus
08/28/2003US20030161230 Method and device for timely outputting focusing completion signal to realize focusing condition of optical pickup head
08/28/2003US20030161229 Optical recording device, and method of determining optimum focus offset value for the device
08/28/2003US20030161228 Optical pickup
08/28/2003US20030161227 Optical pickup actuator and optical recording and/or reproducing apparatus using the same
08/28/2003US20030161224 Methods and apparatuses for forming visible labels on objects using a writable optical disc drive
08/28/2003US20030161223 Head transfer apparatus, head transfer method, and reproducing apparatus
08/28/2003US20030161056 Objective lens unit and method of assembling objective lens unit
08/28/2003US20030161018 Holographic data memory
08/28/2003US20030160213 Photo-responsive liquid crystal composition, information-recording medium and information-recording process
08/28/2003DE29824955U1 Optical pickup system for DVD and CD-R disks uses holographic ring lens to differentially diffract two wavelengths into suitable spots
08/28/2003CA2476874A1 Injection molding device
08/28/2003CA2476408A1 Disk data storage media with edge track data surface
08/28/2003CA2444008A1 Data recording medium, data recording method and apparatus, data reproducing method and apparatus, data transmitting method, and data receiving method
08/27/2003EP1339085A2 System and method for electron beam irradiation
08/27/2003EP1339084A2 Electron beam irradiation apparatus and method
08/27/2003EP1339062A2 Recording method of recording medium
08/27/2003EP1339058A2 Apparatus for recording information and method for retracting the head
08/27/2003EP1339057A1 Recording medium, its controller and controlling method
08/27/2003EP1339054A1 Optical record medium and its manufacturing method, and injection molding machine
08/27/2003EP1339053A1 Optical power level-controlling device for reduced reproduction jitter
08/27/2003EP1339052A2 Actuator, optical pickup employing the actuator, and optical recording and/or reproducing apparatus employing the pickup
08/27/2003EP1339051A2 Optical pickup actuator and optical recording/reproducing apparatus using the same
08/27/2003EP1339050A1 Optical disk medium and signal reproduction method
08/27/2003EP1339049A2 Optical disk apparatus, optical recording method, optical recording program and storage medium for optimizing emitting light power
08/27/2003EP1339048A2 Method and apparatus for recording data on optical recording medium
08/27/2003EP1339047A2 Apparatus and method for recording and/or reproducing optical information
08/27/2003EP1339016A1 Digital data carrier
08/27/2003EP1338639A1 Photo-responsive liquid crystal composition, information-recording medium and information-recording process
08/27/2003EP1338009A1 Optical head
08/27/2003EP1338008A2 Optical scanning device
08/27/2003EP1338007A1 Methods, optical recording apparatus using such methods and optical recording medium for use by the methods and the apparatus
08/27/2003EP1338006A1 Optical scanning device and optical player comprising such a scanning device
08/27/2003EP1058245B1 Actuator for objective lenses
08/27/2003CN2568485Y Anti-robbing image recorder for vehicle
08/27/2003CN1439159A Focus control device and focus control method
08/27/2003CN1438771A Optical receiver ampeifier and optical pick-up device adopting said circuit
08/27/2003CN1438639A Otical recording material
08/27/2003CN1438638A Optical information recording medium and its making method, and optical information record reproducing method
08/27/2003CN1438637A 光学头 The optical head
08/27/2003CN1438636A 光学头装置 The optical pickup apparatus
08/27/2003CN1438635A Optical disc capable of permanently keeping fresh feeling of image content
08/27/2003CN1438634A Write-in control device and method of optical storage device
08/27/2003CN1438633A Apparatus comprising equipment for writing data in recording medium and method thereof
08/27/2003CN1438632A Method and apparatus for generating write-in clock in optical-disc etching machine
08/27/2003CN1119802C Optical head
08/27/2003CN1119801C Optical disc recording device and method for setting optimized power value thereof
08/27/2003CN1119800C Electric appliance
08/26/2003US6611820 Recording medium, recorder, reproducer, cryptocommunication system and program license system
08/26/2003US6611492 Optical recording medium and master disc for preparation thereof
08/26/2003US6611491 Optical recording medium having dual recording layers
08/26/2003US6611489 Information reproducing method for an optical medium having grooves and lands
08/26/2003US6611488 Optical head, optical part, and optical memory apparatus having controlled optical intensity
08/26/2003US6611487 Flying type optical head integrally formed with light source and photodetector and optical disk apparatus with the same
08/26/2003US6611486 Recording medium recognition information recording method, recording medium recognition information recording apparatus, and recording disc