Patents
Sitemap › G11 - Information storage › G11B - Information storage based on relative movement between record carrier and transducer › 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)
08/2000
08/29/2000US6111832 Disk discrimination method and device
08/29/2000US6111831 Methods and apparatus for simultaneously reading multiple tracks of an optical storage medium
08/29/2000US6111829 Apparatus and method for adjusting a reference voltage to detect a traverse signal based on the types of optical medium
08/29/2000US6111828 Focus error signal generation using confocally filtered detection
08/29/2000US6111827 Optical pickup, and optical disc player
08/29/2000US6111826 Optical disk drive capable of controlling the rotation speed of the disk based on detecting the vibration
08/29/2000US6111823 Method for recording information data on magneto-optical recording medium without cross-erasing
08/29/2000US6111647 Detection of focal point of objective lens by means of a two-split sensor
08/29/2000US6111645 Grating based phase control optical delay line
08/29/2000US6110610 Photomagnetic recording medium and film forming method
08/29/2000US6109324 Method and apparatus for preparing labelled digital disc
08/29/2000US6108933 Device for curing an adhesive between two layers of an information carrier
08/29/2000CA2221723C Optical card
08/24/2000WO2000049803A1 Medium on which stream data is recorded, its recording method, and its reproducing method
08/24/2000WO2000049611A1 Forming optical recording layers
08/24/2000WO2000049609A2 Optical recording medium and entertainment system that employs it
08/24/2000WO2000049603A1 Method and apparatus for reading and writing a multilevel signal from an optical disc
08/24/2000WO2000049465A1 Erasable/rewritable optical data storage with photorefractive polymers
08/24/2000WO2000049445A1 Objective lens
08/24/2000WO2000049078A1 Vinylcyclohexane-based polymer/copolymer mixture and stabilizer system
08/24/2000WO2000049057A1 Polymers based on vinylcyclohexane
08/24/2000WO2000020517A3 Radiation-curable compositions comprising maleimide compounds and method for producing a substrate with a cured layer
08/24/2000CA2362902A1 Objective lens
08/24/2000CA2362829A1 Polymers based on vinylcyclohexane
08/24/2000CA2362824A1 Vinylcyclohexane-based polymer/copolymer mixture and stabilizer system
08/24/2000CA2356858A1 Method and apparatus for reading and writing a multilevel signal from an optical disc
08/24/2000CA2329066A1 Optical recording medium and entertainment system that employs it
08/23/2000EP1030304A2 Optical disk, method for manufacturing optical disk, and entertainment system featuring the optical disk
08/23/2000EP1030299A2 Magneto-optical recording medium
08/23/2000EP1030298A2 Optical recording/reproducing apparatus
08/23/2000EP1030297A1 An optical disk and an optical disk recording method
08/23/2000EP1030296A2 Information recording and reproducing apparatus
08/23/2000EP1030295A2 Optical information recording/reproducing apparatus
08/23/2000EP1030294A2 Optical information memory apparatus and optical head
08/23/2000EP1030293A2 Multiple data surface optical medium and data storage system
08/23/2000EP1030292A1 Optical recording medium and method for its initialization
08/23/2000EP1029942A1 Drive mechanism for vacuum device and vacuum device
08/23/2000EP0895226B1 Optical disc and recording/reproducing apparatus therefor
08/23/2000CN2393193Y Scuffing-proof CD.
08/23/2000CN1264487A Moulding-die and method for manufacturing the same
08/23/2000CN1264486A Copy protection system and method for optical disks and copy protected optical disk
08/23/2000CN1264485A Optical disc, its recording method, its recording device, its reproducing method, and its reproducing device
08/23/2000CN1264116A Optical disk and production method thereof
08/23/2000CN1264115A Adhesive system and adhesive method
08/23/2000CN1264114A Optical information medium and optical information recording method
08/23/2000CN1264113A Optical disk drive optical disk drive method and optical disk device
08/23/2000CN1264112A Optical recognition device in recording regenerative device for optical disk
08/23/2000CN1264111A Recording medium for using swining signal and servo control device and control method
08/23/2000CN1264110A Digital colour multi-layer multi-order write-in/read-out method for optical disk
08/23/2000CN1264109A Recording medium and system for recording and reproducing the recording medium
08/22/2000US6108297 Optical disk with a uniform film thickness by having different angles of inclination for the side surfaces of grooves
08/22/2000US6108296 Optical recording disc capable of preventing illegal copy
08/22/2000US6108295 An optical disk with periodically wobbling guide grooves, and a lower protective layer, a phase-change type recording layer, an upper protective layer and a reflective layer
08/22/2000US6108293 Gain control of a reproduced signal amplifier for precise monitoring of a reproduced signal during recording
08/22/2000US6108292 Optical scanning unit comprising a first and a second lens unit
08/22/2000US6108291 Optical disc apparatus accessing method and system therefor
08/22/2000US6108290 Method and apparatus for writing and reading optical recording medium
08/22/2000US6108289 Optical disc recording apparatus for overwriting information on a previously recorded packet of an optical disc
08/22/2000US6108288 Method and apparatus for writing and reading optical recording medium
08/22/2000US6108287 Method and apparatus for writing and reading optical recording medium
08/22/2000US6108284 Apparatus and method for generating a reference level to detect a traverse signal
08/22/2000US6108283 Optical head having focus error detection and tracking error detection sensors arranged on substantially the same plane
08/22/2000US6108282 System for creating, reading and writing on rotatable information storage media, an apparatus for multilayer laser source positioning
08/22/2000US6108281 Accessing control for optical recording device capable of performing time search
08/22/2000US6108280 Optical information storage unit
08/22/2000US6108231 Solid state director for beams
08/22/2000US6108143 Optical pick-up
08/22/2000US6108139 Optical head device and method of information reproduction using the same
08/22/2000US6108138 Optical beam shaper, and radiation source unit and scanning device including said beam shaper
08/22/2000US6108135 Planar proximity lens element and disk drive using same
08/22/2000US6108110 Optical relay for pixel-based holographic storage and retrieval
08/22/2000US6108088 Apparatus and method for testing steerable mirrors mounted on optical heads
08/22/2000US6107646 Variable light source and optical pickup apparatus for different-type optical disc using the same
08/22/2000US6106919 Substrate, reflective layer, dielectric layer, a phase change information carrying layer, a second dielectric layer and a lubricant layer; phase change layer protected from mechanical damage due to impact and heat generated by impact
08/22/2000US6106918 Optical quality polycarbonates
08/22/2000US6106657 System and method for dispensing a resin between substrates of a bonded storage disk
08/17/2000WO2000048197A1 Electroluminescent multilayer optical information storage medium with integrated readout and composition of matter for use therein
08/17/2000WO2000048179A1 Inexpensive safe light beam recorder
08/17/2000WO2000048178A2 Optical recording medium for fluorescent worm discs
08/17/2000WO2000048177A1 Method of increasing fluorescent signal of optical discs with fluorescent reading
08/17/2000WO2000048176A1 Optical pickup and hologram device
08/17/2000WO2000048175A1 Multilayer optical information storage medium based on incoherent signal
08/17/2000WO2000048172A2 Data storage media
08/17/2000DE19961097A1 Optical signal detector, includes controller which changes the incident light output by a second optical detector based on the output of a first optical detector
08/17/2000DE19904454A1 Measuring head for fetching out information stored in an image plate has a channel stretched inside a base unit with a receiving fibre-optic light guide and a red-light-source light.
08/16/2000EP1028454A2 Wafer support apparatus
08/16/2000EP1028423A1 An optical disk, an optical 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 manufactoring an optical disk
08/16/2000EP1028422A1 An optical disk, an optical disk reproduction apparatus
08/16/2000EP1028421A2 Multi-layered optical disc
08/16/2000EP1028419A1 Optical device
08/16/2000EP1028418A1 Light guide path element and optical pickup
08/16/2000EP1028417A2 Rotation servo circuit in disk player
08/16/2000EP1028416A2 Low power consumption disk player
08/16/2000EP1028415A2 Rotation servo circuit in disk player
08/16/2000EP1028414A1 Optical recording medium
08/16/2000EP1028413A2 Optical recording medium, stamper for use to produce the optical recording medium, and method of producing the stamper
08/16/2000EP1028412A1 Optical pickup apparatus for reducing cross talk between adjacent tracks
08/16/2000EP1027978A2 Optical disk and method of producing the same
08/16/2000EP1027705A1 Method for real time recording / playback of data to/from an optical recording medium and method for managing files thereof
08/16/2000EP1027703A1 A method for manufacturing an optical memory device
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