| 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) |
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| 04/23/2003 | EP1190418B1 USE OF Cu-PHTHALOCYANINE SULFONAMIDES AS A DYE FOR WRITE-ONCE OPTICAL DATA STORAGE MEANS |
| 04/23/2003 | EP0916135B1 Optical record carrier and apparatus for scanning such a record carrier |
| 04/23/2003 | EP0847544B1 System for photographically recording digital data and medium having digital data recorded thereon |
| 04/23/2003 | EP0823705B1 Optical pickup and optical element used therefor |
| 04/23/2003 | CN1413418A Picture gradual change function for digital optical disk |
| 04/23/2003 | CN1413412A DVD recorder pause feature utilizing variable read rate |
| 04/23/2003 | CN1413346A Delete and undelete for recordable DVD editing |
| 04/23/2003 | CN1413345A Buffer optimization for simultaneous encoding-decoding and pause-catch-up for real-time DVD recorder |
| 04/23/2003 | CN1413344A 放音设备和存储介质 Playback devices and storage media |
| 04/23/2003 | CN1412764A Device for controlling tracking magnetic disk |
| 04/23/2003 | CN1412763A Swing signal deteching circuit, information processing device, method and recording medium |
| 04/23/2003 | CN1412762A Swing signal detecting circuit, information processing device, method and recording medium |
| 04/23/2003 | CN1412761A Fetch channel device and its method |
| 04/23/2003 | CN1412759A Method for reducing buffer depletion and producing frequency |
| 04/23/2003 | CN1412756A High density optical disk |
| 04/23/2003 | CN1412755A Sheet for making optical disk |
| 04/23/2003 | CN1412754A Information recording carrier |
| 04/23/2003 | CN1412753A Laminated light waveguide three-D data memory and single beam recording and reading access method |
| 04/23/2003 | CN1412752A Optical element, its manufacturing method and optical head using said optical element |
| 04/23/2003 | CN1412751A Writing-in power control method for angular speed fixed optical disk drive |
| 04/23/2003 | CN1412750A Optical disk drive track-locking method |
| 04/23/2003 | CN1412749A Optical information recording medium, its measuring method and optical information recording/reproducing method |
| 04/23/2003 | CN1412748A CD-RW device and optical mfg. method |
| 04/23/2003 | CN1412747A Method for dynamically defining etch-recording speed of optical disk etch-recording machine |
| 04/23/2003 | CN1412746A Method for defining optical writing-in powder and its optical disk access system |
| 04/23/2003 | CN1412591A Objective lens and optical pickup head |
| 04/23/2003 | CN1412002A Method for forming image on disk by ink-jetting style |
| 04/23/2003 | CN1106705C Optical pickup device and method for making semiconductor laser |
| 04/23/2003 | CN1106642C Producer coordinating viewing/listening mode optical disk reproducing device and method |
| 04/23/2003 | CN1106641C Recording method suitable for recording AV data on disc, and information processing system |
| 04/23/2003 | CN1106640C Optical disk and optical drive device |
| 04/23/2003 | CN1106638C Magneto-optical recording materials system |
| 04/23/2003 | CN1106637C Optical disk and production method thereof |
| 04/23/2003 | CN1106636C Optical disk structure, and method and device for mfg. it |
| 04/23/2003 | CN1106266C Method and appts. for rendering optically encoded medium unreadable |
| 04/22/2003 | US6553179 Optical disc for coordinating the use of special reproduction functions and a reproduction device for the optical disc |
| 04/22/2003 | US6553178 Advertisement subsidized video-on-demand system |
| 04/22/2003 | US6553176 Data structure for representing two or more versions of program material |
| 04/22/2003 | US6552994 Optical reproduction apparatus |
| 04/22/2003 | US6552991 Micro mirror apparatus and optical memory disk apparatus |
| 04/22/2003 | US6552990 Optical head for two different disk thicknesses with a light beam diameter control device |
| 04/22/2003 | US6552988 Apparatus for reproducing information recorded on recording medium while adjusting middle level of detected signal corresponding to the information |
| 04/22/2003 | US6552987 Optical disk apparatus wherein recording clock signal is stopped being supplied to semiconductor laser drive circuit on optical pickup during reproduction operation |
| 04/22/2003 | US6552986 Apparatus for recording and reproducing data |
| 04/22/2003 | US6552985 Method of recording a multi-layer optically recordable information carrier |
| 04/22/2003 | US6552984 Liquid crystal tilt servo apparatus |
| 04/22/2003 | US6552983 Apparatus and method for detecting abnormal condition at the time of recording or reproducing information on information recording medium |
| 04/22/2003 | US6552982 Information recording medium, information recording and reproduction method, and information recording and reproduction apparatus |
| 04/22/2003 | US6552981 Data recording method for an optical recorder/player which can perform stable data recording by controlling a laser recording power of the optical recorder/player |
| 04/22/2003 | US6552980 Method of setting power for a reproducing beam to be applied to a magneto-optical disc, and method of reproducing data from a magneto-optical disc |
| 04/22/2003 | US6552978 Information recording apparatus |
| 04/22/2003 | US6552977 Information reproducing apparatus enabling equalization processing with equalization coefficient for reproduced information |
| 04/22/2003 | US6552975 Methods for establishing recording rates of optical media recorders |
| 04/22/2003 | US6552974 Compatible optical pickup |
| 04/22/2003 | US6552973 Apparatus and method for servo control in an optical disk driver |
| 04/22/2003 | US6552972 Information recording and reproduce apparatus |
| 04/22/2003 | US6552971 Disk drive apparatus for a recording medium having plural recording surfaces in a layered structure |
| 04/22/2003 | US6552970 Optical disk apparatus |
| 04/22/2003 | US6552969 Optical disk, an optical disk barcode forming method, an optical disk reproduction apparatus, a marking forming apparatus, a method of forming a laser marking on an optical disk, and a method of manufacturing an optical disk |
| 04/22/2003 | US6552968 Optical recording medium, method of producing same, and optical recording and reproduction device |
| 04/22/2003 | US6552967 Optical output adjusting apparatus based on shortest recording marks |
| 04/22/2003 | US6552966 Recording head for optical recording system |
| 04/22/2003 | US6552858 Objective lens system and optical disk apparatus using the same |
| 04/22/2003 | US6552851 Achromatic beam shaping prism |
| 04/22/2003 | US6552317 Optical pickup device |
| 04/22/2003 | US6552158 Dimensionally stable polycarbonate articles |
| 04/22/2003 | US6551728 Compensation layer having a thickness of 3 to 15 nm, and being made of cobalt or a cobalt alloy with a Curie temperature of 30-150 degrees C; high density recording |
| 04/22/2003 | US6551682 Proper tracking error signals to be adapted to high density information recording and has various characteristics |
| 04/22/2003 | US6551681 Optical recording medium |
| 04/22/2003 | US6551680 Optical recording medium |
| 04/22/2003 | US6551679 Optical recording medium |
| 04/22/2003 | US6551472 Electroforming apparatus |
| 04/22/2003 | US6550678 High capacity card and reader system |
| 04/17/2003 | WO2003032455A1 Light emitting element drive circuit |
| 04/17/2003 | WO2003032308A1 Information storage device and defect detecting circuit |
| 04/17/2003 | WO2003032306A1 Method of manufacturing multilayer optical recording medium and multilayer optical recording medium |
| 04/17/2003 | WO2003032305A1 Photo-curable transfer sheet, laminate, optical information recording substrate, method for manufacture thereof, and optical information recording medium |
| 04/17/2003 | WO2003032304A1 Optical information processor, semiconductor light-emitting device, and its manufacturing method |
| 04/17/2003 | WO2003032303A1 Optical disk device |
| 04/17/2003 | WO2003032302A1 Disc recording medium, disc drive apparatus, reproduction method, and disc manufacturing method |
| 04/17/2003 | WO2003032301A1 Magneto-optical recording medium |
| 04/17/2003 | WO2003032300A2 Method and apparatus for the encryption of data |
| 04/17/2003 | WO2003032299A2 Integrated cd/dvd recording and labeling |
| 04/17/2003 | WO2003032298A2 Optical disc player with focus pull-in function |
| 04/17/2003 | WO2003031273A2 Commonplace object with a surface that comprises a data track |
| 04/17/2003 | US20030073031 Dye precursor molecules chemically reactive with the light-altered form of light-sensitive molecules to form stable fluorescent dye, particularly for optical memories including two-photon three-dimensional optical memories |
| 04/17/2003 | US20030072908 Pre-written marking on optical disc with opto-mechanically writable marking surface |
| 04/17/2003 | US20030072361 Method and circuit of digital measurement of the phase of a sinusoidal signal |
| 04/17/2003 | US20030072251 Information recording medium |
| 04/17/2003 | US20030072250 Optical recording material |
| 04/17/2003 | US20030072248 Optical scanning device |
| 04/17/2003 | US20030072247 Object lens for optical pickup, optical pickup and optical information processing device |
| 04/17/2003 | US20030072246 Optical disk device |
| 04/17/2003 | US20030072245 Optical head and disk unit |
| 04/17/2003 | US20030072244 Objective lens supporting apparatus and optical pickup |
| 04/17/2003 | US20030072242 Data recording apparatus, data reproducing apparatus, and data recording/reproducing apparatus |
| 04/17/2003 | US20030072241 Phase-change optical information recording medium |
| 04/17/2003 | US20030072240 Information recording medium which records information that pertains to integrity |
| 04/17/2003 | US20030072239 Optical disc device |
| 04/17/2003 | US20030072238 Optical disc |