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)
10/2007
10/25/2007DE102007003804A1 Optischer Messkopf An optical measuring head
10/25/2007DE102006019378A1 Electromagnetic ray beams focusing method for data storage medium, involves generating evanescent wave fields of pre-focused ray beams as input evanescent fields by utilizing non linear medium e.g. two-photon absorber
10/24/2007EP1847992A2 Optical Recording Medium, Information Recording and Reproducing Apparatus, and Information Recording and Reproducing Method
10/24/2007EP1847991A2 Optical element, optical pickup device and optical information recording and reproducing apparatus
10/24/2007EP1847990A1 Holographic storage medium
10/24/2007EP1847989A1 Optical disc recording medium, reproduction device and method and recording device and method for the recording medium
10/24/2007EP1846926A2 Spot size focus error detection for multiple beam optical scanning device
10/24/2007EP1846925A2 Method of focus capture in an optical drive
10/24/2007EP1846924A2 Controlling a stepping motor in application for reading/writing information
10/24/2007EP1846923A1 Method and assembly for confocal, chromatic, interferometric and spectroscopic scanning of optical, multi-layer data memories
10/24/2007EP1568025B1 Power failure recovery method
10/24/2007CN200965782Y A disk type password card
10/24/2007CN200965781Y Miniature compatible double wavelength optical head
10/24/2007CN101061546A Optical disc device
10/24/2007CN101061544A Reproducing information from an information carrier
10/24/2007CN101061541A Optical disk and method for manufacturing optical disk
10/24/2007CN101061540A Information recording medium and optical information recording/reproducing device
10/24/2007CN101061539A Optical head with switchable diameter of the radiation spot on the radiation detector
10/24/2007CN101061538A Optical pickup
10/24/2007CN101061537A Method of determining defects in information storage medium, recording/reproducing apparatus, and information storage medium
10/24/2007CN101061536A Information processing device, access device, recording medium, information processing method, and information processing program
10/24/2007CN101061184A Indolium compounds and optical recording materials
10/24/2007CN101060327A Phase-locked loop having aligning unit and its implementing method
10/24/2007CN101059991A Information recording medium, recording apparatus and method, and reproducing apparatus
10/24/2007CN101059990A Information recording medium, recording apparatus and method, and reproducing apparatus
10/24/2007CN101059985A Method of and apparatus for reproducing data from write-once disc
10/24/2007CN101059975A Optical information storage media
10/24/2007CN101059974A Optical information storage media
10/24/2007CN101059973A Optical information storage media
10/24/2007CN101059972A Optical pickup and optical disc apparatus
10/24/2007CN101059971A Optical disc eccentricity measuring method
10/24/2007CN101059970A Optical disk apparatus
10/24/2007CN101059969A Apparatus for optical pick-up
10/24/2007CN101059968A Optical regeneration device
10/24/2007CN101059967A Recording medium, method and apparatus of recording data
10/24/2007CN101059966A Dynamic write strategy modification method and apparatus
10/24/2007CN100345210C Device and method for determining short pulse series writing areas on rewritable DVD
10/24/2007CN100345201C Domain wall displacement detection system magneto-optical recording medium and its manufacturing method
10/24/2007CN100345200C Method for manufacturing a master and forming a pattern, a master, a stamper, an optical information recording medium and a resist
10/24/2007CN100345199C Optical information recording medium
10/24/2007CN100345198C Optical information recording medium and method of recording bar code-like marks
10/24/2007CN100345197C Wobbulation singnal checkout circuit and optical disk device
10/24/2007CN100345196C Optical head device
10/24/2007CN100345195C Optical pickup, optical recording and/or reproducing apparatus including the same, and method for realizing compatible tracking
10/24/2007CN100345194C 3d actuator for optical disc system
10/24/2007CN100345193C Method of automatically pausing optical pickup in DVD-RAM disc drive
10/24/2007CN100345192C Apparatus for detecting focusing, tracking and eccentric performances of DVD
10/24/2007CN100345191C Wobble signal extracting circuit and optical disk drive
10/24/2007CN100345190C Method for land pre-pit recovery
10/24/2007CN100345189C Sawtooth wave elementary value detecting circuits
10/24/2007CN100345188C Recording apparatus, recording method, and disc-shaped record medium
10/23/2007US7287264 Objective lens drive apparatus with objective lens portion movable along support member axial direction
10/23/2007US7287263 Disc apparatus
10/23/2007US7287262 Disc drive apparatus, disc drive unit and optical pickup device
10/23/2007US7286750 Digital video system
10/23/2007US7286596 Training method for recording medium reproduction equalizer and recording medium reproduction apparatus
10/23/2007US7286465 Sync frame structure, information storage medium, information recording method, information reproduction method, information reproduction apparatus
10/23/2007US7286464 Optical element and optical pick-up device
10/23/2007US7286463 Objective lens and optical pickup device using it
10/23/2007US7286462 Method and device for generating a stable power control signal
10/23/2007US7286461 Optical disk driving apparatus and method, and recording medium and program used therewith
10/23/2007US7286460 Recording medium for storing version information for maintaining recording and/or reproducing compatibility, and method and apparatus for managing the same
10/23/2007US7286459 Optical disc reproduction apparatus determining whether optical disc to be reproduced is read-only or recordable
10/23/2007US7286458 Quality-testing apparatus and method
10/23/2007US7286457 Information storage medium
10/23/2007US7286456 Information storage medium, method and apparatus reproducing data there from
10/23/2007US7286455 Information recording medium, recording apparatus, recording method and reproduction method utilizing test areas of respective layers provided at different radial positions
10/23/2007US7286454 Information storage medium
10/23/2007US7286453 Rotation control device, method thereof, program thereof, recording medium storing the program, and information processing apparatus
10/23/2007US7286452 Apparatus and method for detecting synchronization of address in pre-groove for optical storage device
10/23/2007US7286451 Copy control using digital speed bumps
10/23/2007US7286450 Light pickup device with center axis and light balancing adjustment
10/23/2007US7286449 Optical pickup device
10/23/2007US7286448 Actuator for use in pickup device in reducing lens distortion
10/23/2007US7286447 Recording and/or reproducing apparatus and method of controlling the same
10/23/2007US7286273 Light deflecting device
10/23/2007US7286153 Three-dimensional recording and reproducing apparatus
10/23/2007US7285879 Autofocus actuator
10/23/2007US7285332 Laminate roll
10/18/2007WO2007117504A2 Substrate having dye layers that locationally change in color upon exposure to beam
10/18/2007WO2007117082A2 Recording and reproducing apparatus, recording and reproducing method, and method of determining type of recording medium
10/18/2007WO2007116877A1 Process for producing raw material for optical disk and raw material for optical disk produced by the process
10/18/2007WO2007116810A1 Optical disc device, optical head control method and optical head control device
10/18/2007WO2007116723A1 Optical recording head and optical recording device
10/18/2007WO2007116684A1 Objective lens driving apparatus
10/18/2007WO2007116631A1 Optical disc device
10/18/2007WO2007116604A1 Label image editing apparatus, label image editing plotting system, and label image editing program storage medium
10/18/2007WO2007116565A1 Method and equipment for processing optical recording medium, and optical recorder/reproducer
10/18/2007WO2007116564A1 Semiconductor laser device and method for manufacturing the same
10/18/2007WO2007116401A1 Secured optical information carrier, and data encryption method and apparatus for recording data in the optical information carrier
10/18/2007WO2007116340A1 Optical discs with identification code
10/18/2007WO2007115721A1 Storage medium, preferably for a carrier, and reading device and method for reading the storage medium
10/18/2007WO2007115719A1 Holographic storage material
10/18/2007WO2007075951A3 Methods for storing holographic data and articles having enhanced data storage lifetime derived therefrom
10/18/2007WO2007050354A3 Methods for making holographic data storage articles
10/18/2007US20070245364 Disk device
10/18/2007US20070245363 Information Carrier, System for Reading Said Information Carrier, Method of Manufacturing Said Information Carrier
10/18/2007US20070245362 Recording apparatus and recording control program
10/18/2007US20070245078 Information recording method and apparatus, information reproducing method and apparatus
10/18/2007US20070243489 Optical information-recording medium, method for recording information, and compound