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)
12/1999
12/01/1999CN1047003C Method for manufacturing liquid crystal display and liquid crystal display made thereby
11/1999
11/30/1999US5995727 Video decompression
11/30/1999US5995676 Comparator-based thresholding method for determining data values
11/30/1999US5995481 Light-readable recording disc utilizing half-wavelength pits or bumps and system for reading such discs
11/30/1999US5995479 Optical head adjusting apparatus
11/30/1999US5995478 Optical disk player having a phase adjusting device for optical pickup
11/30/1999US5995476 Optical pick-up apparatus
11/30/1999US5995475 Two dimensional laser diode array using multimode lasers
11/30/1999US5995474 Flying type optical head integrally formed with light source and photodetector and optical disk apparatus with the same
11/30/1999US5995473 Optical pickup system capable of selectively reading a multiple number of optical disks
11/30/1999US5995472 Laser beam forming temperature distribution of two peaks on a magneto-optical recording medium
11/30/1999US5995467 Disc recording and/or reproducing apparatus with a liftable optical pickup apparatus and coordinated lens shutter
11/30/1999US5995466 Optical pickup lens cleaning device for double-sided disk player
11/30/1999US5995465 Digital signal reproducing apparatus
11/30/1999US5995464 Transporting device for moving a reproducing head of an information recorded disk reproducing apparatus
11/30/1999US5995463 Recording/reproducing apparatus
11/30/1999US5995462 Method and apparatus for reading data from a disc carrier
11/30/1999US5995461 Method and system for simultaneous storage and/or retrieval (storval) of a plurality of data on a disk means
11/30/1999US5995460 Vibration-resistant playback device
11/30/1999US5995458 Method and apparatus for scanning an optical disk using track jumping
11/30/1999US5995457 Method of masking data on digital video disks (DVD)
11/30/1999US5995292 Apparatus for adjustable spherical aberration correction
11/30/1999US5995269 Optical unit for optically scanning an information surface, and optical scanning arrangement including the optical unit
11/30/1999US5995251 Apparatus for holographic data storage
11/30/1999US5995193 Self-contained device for recording data encoded either in visible or invisible form
11/30/1999US5993971 Optical information record medium
11/30/1999US5993930 Dual layer optical medium having multilayered spacer layer between reflecting layers
11/30/1999US5993592 Apparatus and method for gluing disc halves together during manufacturing of data-storage optical discs
11/30/1999CA2271543C Multiple data surface optical data storage system
11/30/1999CA2271542C Multiple data surface optical data storage system
11/30/1999CA2271541C Multiple data surface optical data storage system
11/30/1999CA2271540C Multiple data surface optical data storage system
11/25/1999DE19816278C1 Rotary drive transmission shaft
11/24/1999EP0959465A2 Laminated disk and method of producing the same
11/24/1999EP0959464A1 Optical pickup
11/24/1999EP0959463A1 Optical pickup device
11/24/1999EP0959462A2 Recording medium on which navigation information is recorded and information reproducing apparatus therefor
11/24/1999EP0958576A1 System for producing optical data carriers
11/24/1999EP0958575A1 Method and device for writing optical record carriers
11/24/1999EP0958065A1 Method and apparatus for spin-coating compact discs
11/24/1999CN1236473A Magnetic disc cartridge and adaptor
11/24/1999CN1236471A Optical record carrier and apparatus for scanning such a record carrier
11/24/1999CN1236470A Method and device for recording information on a carrier
11/24/1999CN1236467A Recording medium and reproducing apparatus therefor
11/24/1999CN1236166A Multi-layer disc reproducing apparatus and method
11/24/1999CN1236164A Reproducing and recording apparatus, decoding apparatus, recording apparatus, and its relative method
11/24/1999CN1236160A Disk drive with compensation of disk eccentricity
11/24/1999CN1236159A Metallic stamper and optical disk and manufacture method thereof
11/24/1999CN1236158A Optical disc apparatus and its producing method
11/24/1999CN1236157A Method and apparatus for identifying types of disc-shaped information storage media
11/24/1999CN1236156A Optical information recording medium, and recording and reproduction method and apparatus thereof
11/24/1999CN1236142A Optical head and optical information record generator using the same
11/24/1999CN1046813C 光学装置 Optical device
11/23/1999US5991259 Optical disk with tracking guide of wind and unwind portions
11/23/1999US5991258 Optical disk having data stored on a land portion and a groove portion with the land portion having a greater width than the groove portion
11/23/1999US5991257 Disk with zones of tracks segmented into data frames, with tracks closer to the disk edge having more frames, and a data recording/reproducing method and apparatus using such disk
11/23/1999US5991255 Optical head using a light blocking device to lower the numerical aperture of an incident beam
11/23/1999US5991254 Optical pickup having a multi-coated polarization holographic element
11/23/1999US5991253 Optical disk device and replacement processing method
11/23/1999US5991252 Method and apparatus for reducing the width of marks written in optical media
11/23/1999US5991251 Method and apparatus for changing laser beam power of an optical storage device for various types of compact disks
11/23/1999US5991250 Optical disc recording method and apparatus for recording clock stabilization information on a portion of a unit block adjacent a discontinuous recording position
11/23/1999US5991249 Optical track sensing device
11/23/1999US5991248 Apparatus and method for controlling a tracking balance of an optical disk player
11/23/1999US5991247 Optical information recording/reproducing apparatus and method wherein an elastic member supporting an objective lens holder is set in a neutral state
11/23/1999US5991243 Data playback device to control a laser illuminating position by comparing phase of a laser drive signal and a laser tracking error detection signal
11/23/1999US5990596 Optical information recording and/or reproducing apparatus and method with vibration wave driving device or vibration driven motor device
11/23/1999US5990246 A hydrogenated copolymer of a 5-cyanonorborn-2-ene and a polycyclic unsaturated hydrocarbon, e.g. 1,4:5,8-dimethano-naphthalene; lenses; optical data storage, e.g.compact disks; low birefringence; mechanical properties; moisture resistance
11/23/1999US5989778 Initiator, phenol-based antioxidant, photocuring components: a bifunctional urethane acrylate, an epoxy acrylate having bisphenol a skeleton, and an n-vinyl lactam of given formula; protective coatings for digital versatile disks (dvd)
11/23/1999US5989777 Improved mechanical properties; comprising a transparent support, a thin metallic recording layer, an adhesive layer, a polymeric resin layer and a top layer of roughening agent in specific amount
11/23/1999US5989671 Optical recording medium and manufacturing method thereof
11/23/1999US5989670 Multilayer optical disk
11/23/1999US5989669 Optical information recording disc
11/23/1999US5989654 Method for manufacturing an optical information recording medium
11/23/1999US5989379 Method for manufacturing a composite optical device
11/23/1999US5987924 Lens mold and method of manufacturing a lens
11/18/1999WO1999059149A1 Near-field optical head
11/18/1999WO1999059148A2 Device for optically scanning a record carrier
11/18/1999WO1999059147A1 Near field optical head and reproduction method
11/18/1999WO1999059143A2 Rewritable optical information medium
11/18/1999WO1999059142A2 Organic dye-in-polymer (dip) medium for write-once-read-many (worm) optical discs with fluorescent reading
11/18/1999WO1999058327A1 Directed energy assisted in vacuo micro embossing
11/18/1999DE19921818A1 Optical head system with light source power monitoring
11/18/1999CA2328868A1 Directed energy assisted in vacuo micro embossing
11/17/1999EP0957481A1 Drive disk with compensation of disk eccentricity
11/17/1999EP0957480A1 Disk drive with compensation of disk eccentricity
11/17/1999EP0957478A1 Disk bonding method and system
11/17/1999EP0957477A2 Optical information recording medium, recording and reproducing method therefor and optical information recording and reproduction apparatus
11/17/1999EP0957476A1 Phase-change type optical recording medium
11/17/1999EP0957475A1 Optical recording method and optical recorder
11/17/1999EP0956555A1 Method and device for recording audio, a record carrier and playback device
11/17/1999EP0956554A1 Amplitude detector for signals having a periodical character, recorded on a recording medium, and optical tape recorder comprising such an amplitude detector
11/17/1999CN1235689A 光拾波装置 The optical pickup device
11/17/1999CN1235350A Error compensation device for disk signal reproduction apparatus
11/17/1999CN1235347A Recording/reproducing apparatus and method and program offering medium
11/17/1999CN1235342A Recording apparatus and method, and reproducing apparatus and method
11/17/1999CN1235341A Optic pick-up device
11/17/1999CN1235340A CD device and computer equipped therewith
11/17/1999CN1235339A Disc reproducing apparatus and method
11/16/1999USRE36393 Two-dimensional random access scanner for optical disks
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