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)
12/2004
12/01/2004	CN1178226C Write protection method of disk recording medium comprising write protection information
12/01/2004	CN1178224C Information recording apparatus and information reproducing apparatus
12/01/2004	CN1178217C Optical recording/replaying device, rotar yoptical recording media and design method therefor
12/01/2004	CN1178216C Optical pick-up head device
12/01/2004	CN1178215C Method for quickly regulating focusing servo error signal level of optical disc drive
12/01/2004	CN1178214C Optical pick-up device and its manufacture
12/01/2004	CN1178213C Optical recording regenerator
12/01/2004	CN1178212C Information disk recording/reproducing device, and method for detecting vibration of information disk recording/reproducting device
12/01/2004	CN1178211C Optical recording method and optical recorder
12/01/2004	CN1178210C Apparatus and method for checking swing fault
12/01/2004	CN1178209C Optical head, optical detector, recording and reproducing device and focus error detecting method
12/01/2004	CN1178208C State detectnig device and optical disk device
12/01/2004	CN1178207C Optical disc discriminating system and method
12/01/2004	CN1177939C Signal detecting method and device for biochip
11/2004
11/30/2004	US6826773 Disc cartridge
11/30/2004	US6826769 Recording and reproducing device having a stabilizing board and vertically-oscillating slider
11/30/2004	US6826737 Recursive partitioning placement method and apparatus
11/30/2004	US6826353 Specially formatted optical disk and method of playback
11/30/2004	US6826144 Optical recording medium, optical recording and/or reproducing method, and optical recording and/or reproducing system
11/30/2004	US6826143 Multi-dimensional optical disk
11/30/2004	US6826142 Method of and apparatus for reproducing data recorded on an optical disc
11/30/2004	US6826141 Optical element supporting device in an apparatus for recording/reproducing information
11/30/2004	US6826140 Multichannel digital recording system with multi-user detection
11/30/2004	US6826139 Hybrid disc and method and apparatus for discriminating same
11/30/2004	US6826138 Method for aligning actuator assembly to a base in a miniature optical disk drive
11/30/2004	US6826137 Apparatus and method for authentication/copy protection of optical storage medium and the optical storage medium
11/30/2004	US6826136 Apparatus and method for controlling reproduction speed of an optical disk
11/30/2004	US6826135 Method of compensating for an eccentricity of an optical disk and apparatus for doing the same
11/30/2004	US6826134 Optical disk device with tracking adjustment and sled adjustment of optical pickup and method for controlling the device
11/30/2004	US6826133 Optimizing a distance between lenses of a two objective lens for minimizing wavefront aberration and offsetting focus control
11/30/2004	US6826002 Measuring apparatus and measuring method for measuring performance characteristics of recording unit including circular recording medium
11/30/2004	US6825999 Lens driving apparatus and coil substrate therefor
11/30/2004	US6825992 Single component aspheric apodizer
11/30/2004	US6825960 System and method for bitwise readout holographic ROM
11/30/2004	US6825257 Polymer blends with mould-release agents
11/25/2004	WO2004102569A1 Method and device for storing information
11/25/2004	WO2004102563A1 Information carrier having wobble pre-groove
11/25/2004	WO2004102560A1 Optical disc drive, and method of measuring the nominal linear speed v1x of an optical disc
11/25/2004	WO2004102553A1 Silver alloy sputtering target for forming reflection layer of optical recording medium
11/25/2004	WO2004102552A2 Optical data storage medium for write once recording
11/25/2004	WO2004102551A2 Metal complexes for use in optical recording media
11/25/2004	WO2004102550A1 Extended focus control
11/25/2004	WO2004102549A1 Optical pick-up unit
11/25/2004	WO2004102548A1 Optical pick-up unit
11/25/2004	WO2004102547A1 Apparatus for reading and/or writing optical recording media
11/25/2004	WO2004102546A1 Method and device for adjusting an amplification for producing a focus error signal
11/25/2004	WO2004102545A1 Method for gain adjustment for production of a lens position signal, and a corresponding appliance for reading from and/or writing to an optical recording medium
11/25/2004	WO2004102544A1 Optical recording medium, recording/reproduction method and device thereof
11/25/2004	WO2004102543A2 Record carrier for the optical storage and retrieval of information
11/25/2004	WO2004102542A1 Optical information recording/reproduction device and method
11/25/2004	WO2004102541A1 High data density volumetric holographic data storage method and system
11/25/2004	WO2004102540A1 Information reproduction device and information reproduction method
11/25/2004	WO2004102253A1 Variable shape lens
11/25/2004	WO2004102252A1 A variable refractive surface
11/25/2004	WO2004102250A1 Variable lens
11/25/2004	WO2004101258A1 Method of producing a plurality of bodies
11/25/2004	WO2004086369A3 Multilayer optical disc having wobble pits
11/25/2004	WO2004081919A3 Dual-speed optical record carrier recording apparatus
11/25/2004	WO2004077410A3 Multi-stack information carrier
11/25/2004	US20040236904 Data recording method and data reproducing method
11/25/2004	US20040234867 Ferroelectric material, two-color holographic recording medium, and wavelength selection filter
11/25/2004	US20040234720 Artificial finger print liquid, testing method for optical information medium using it and optical information medium
11/25/2004	US20040234243 Record medium and its reproducer, reproducing mehtod, record medium manufacturing apparatus, record medium manufacturing method, and recorder
11/25/2004	US20040233832 Recording medium, recording method, information transmission method, terminal device, and server device
11/25/2004	US20040233831 Holographic recording medium
11/25/2004	US20040233830 Forming optical layers on substrates radiation curable mixture
11/25/2004	US20040233829 Optical disc drive having a function for estimating double refraction in disc
11/25/2004	US20040233828 Optical disk drive
11/25/2004	US20040233827 Optical pickup and optical recording and reproducing apparatus using the same
11/25/2004	US20040233826 Laser power control device, information recording apparatus, optical disk apparatus, laser power source drive current value determining method, information recording method, optical disk recording method
11/25/2004	US20040233825 Optical disc apparatus, camera apparatus, and method for controlling light emission operation
11/25/2004	US20040233824 Non-erasable optical data storage
11/25/2004	US20040233823 Optical lens and optical information recording and reproducing apparatus
11/25/2004	US20040233822 Plastic lens, manufacturing method thereof, production tracing management method thereof, and optical pickup device
11/25/2004	US20040233821 Optical pickup device and optical recording medium driving apparatus
11/25/2004	US20040233820 Drive apparatus for tape-like optical recording medium
11/25/2004	US20040233819 Optical information recording medium and method for manufacturing the medium
11/25/2004	US20040233818 Disc type recording medium on which additional information is recorded by forming disc track, method of forming disc track, and recoding medium for recording programs executing the method
11/25/2004	US20040233816 Method and apparatus for modulating data to be recorded on disc-type recording medium, and recording medium for recording programs for realizing the method
11/25/2004	US20040233815 Method and format for reading and writing in a multilevel optical data systems
11/25/2004	US20040233814 Laser driver and optical disk system
11/25/2004	US20040233813 Optical recording medium, method and apparatus for recording information on optical recording medium
11/25/2004	US20040233812 Disc recording medium, disc drive apparatus, reproduction method, and disc manufacturing method
11/25/2004	US20040233811 Sequence counter for an audio visual stream
11/25/2004	US20040233810 Dual format hybrid storage medium and data backup method using the same
11/25/2004	US20040233809 Recording medium with restricted playback feature and apparatus and methods for forming, recording, and reproducing the recording medium
11/25/2004	US20040233808 Optical disk recording apparatus
11/25/2004	US20040233805 Information recording apparatus and method, information reading apparatus and method, and computer program product
11/25/2004	US20040233804 Recording medium with restricted playback feature and apparatus and methods for forming, recording, and reproducing the recording medium
11/25/2004	US20040233803 Information recording method and recording apparatus
11/25/2004	US20040233801 Method and system for forming main and side beams of light for multiple disc formats
11/25/2004	US20040233800 Optical pickup device
11/25/2004	US20040233798 Information recording method and apparatus, information reproducing method and apparatus, information recording medium, program storage medium and program
11/25/2004	US20040233564 Flexible cable and disk drive with the same
11/25/2004	US20040233553 Form variable mirror element and method for producing form variable mirror element and form variable mirror unit and optical pick-up
11/25/2004	US20040233534 Diffractive optical element that polarizes light and an optical pickup using the same
11/25/2004	US20040233533 Diffraction element, optical head device including the diffraction element, optical information apparatus including the optical head device, system including the optical information apparatus and method of designing diffraction grating of the diffraction element
11/25/2004	US20040233486 Recording material for holograms, manufacturing method thereof, recording medium for holograms, hologram recording method and hologram reproduction method
11/25/2004	US20040233251 Ink jet printhead chip with planar actuators
11/25/2004	US20040232868 Motor positioning servo loop using oversampling bitstream DAC

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