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)
10/2000
10/25/2000CN1271165A Optic recording medium without storage data and method for treating defect area of medium
10/25/2000CN1271161A Optical disc
10/25/2000CN1271160A Optical pick up device and optical disc driver
10/25/2000CN1271159A Optical pick-up system and its producing method
10/24/2000US6138203 Information processing apparatus and method enabling a write-once recording medium to be utilized as a rewriteable recording medium
10/24/2000US6137954 Information record medium, apparatus for recording the same and apparatus for reproducing the same
10/24/2000US6137952 Apparatus and method for degrading the quality of unauthorized copies of color images and video sequences
10/24/2000US6137926 Hybrid optical multi-axis beam steering apparatus
10/24/2000US6137770 Disk cartridge which has a recess whose height indicates the type of disk contained by the cartridge
10/24/2000US6137769 Optical recording medium and method of information recording/reading an optical recording medium
10/24/2000US6137768 Optical disc having oscillating lands and grooves
10/24/2000US6137766 Multi-layer disc reproducing apparatus and method
10/24/2000US6137765 Optical disc drive apparatus with inclination angle correcting mechanism
10/24/2000US6137764 Optical disc recording/reproducing apparatus recording/reproducing information to/from optical discs according to different standards
10/24/2000US6137763 Method and apparatus for buffering data in a multi-beam optical disk reader
10/24/2000US6137758 Optical disc discriminating apparatus
10/24/2000US6137757 Disc reproducing method and apparatus for reproducing data from a disc using a CAV system and a CLV system
10/24/2000US6137756 Information recording using technique for detecting erroneous recording
10/24/2000US6137755 Deriving a tracking error signal from a time difference between detector signals
10/24/2000US6137754 Search method for information record medium
10/24/2000US6137753 Runout calibration for disc drive system
10/24/2000US6137752 Optical pickup device
10/24/2000US6137751 Method for controlling moving time of sled depending on deviation between decks during initialization of optical disk reproducing apparatus
10/24/2000US6137640 Program controlled beam focus to compensate for thermal changes
10/24/2000US6137637 Prism-type objective lens for the pickup head of an optical disc drive capable of driving two types of optical discs
10/24/2000US6137632 Method and apparatus for lossless beam shaping to obtain high-contrast imaging in photon tunneling methods
10/24/2000US6137580 Autofocus system
10/24/2000US6137102 Optoelectronic sensor module
10/24/2000US6136402 Optical recording medium having disconnected lands and grooves forming control signal portion
10/24/2000US6136133 Method of producing optical disc of bonded type
10/24/2000CA2222085C Optical data storage medium and methods for its writing and reading
10/24/2000CA2049768C Apparatus for recording compressed digital information to an optical disc
10/24/2000CA2045052C Disc recording/reproducing apparatus
10/19/2000WO2000062332A1 ARRANGEMENT FOR STORING OBJECTS, PARTICULARLY FOR STORING DISKLIKE OBJECTS SUCH AS WAFERS, FLAT PANELS OR CDs
10/19/2000WO2000062294A1 Optical disc direct copier
10/19/2000WO2000062287A1 Optical data storage media
10/19/2000WO2000062286A1 Multilayer optical disk, and method and device for recording optical information thereon
10/19/2000WO2000062285A2 Laser device for the emission and collimation of a laser beam
10/19/2000WO2000062284A1 Optical information recording / reproducing method and device therefor
10/19/2000WO2000062249A2 Dual smart/optical card
10/19/2000WO2000062164A1 Reproducing system
10/19/2000WO2000061687A1 Cyanine dye
10/19/2000DE19961724A1 Increasing storage capacity using optical data carriers by reading discs through openings in discs at front of stack
10/19/2000DE10016281A1 Optical storage apparatus inserts offset into focus error signal and detects change in level when focus servo controller has performed focus servo pull-in
10/18/2000EP1045392A2 Sampling clock apparatus for a data reproduction system
10/18/2000EP1045391A1 Method and device for recording information in units
10/18/2000EP1045380A2 Near field optical recording/reproducing device
10/18/2000EP1045379A1 Optical disc
10/18/2000EP1045378A2 Method of and apparatus for recording information
10/18/2000EP1045377A2 Optical disk, and information recording/reproduction apparatus
10/18/2000EP1044450A1 Tracking method and track format based on radial cross-talk from adjacent tracks
10/18/2000EP1044449A1 Method and apparatus for determining the provenance of a data carrying disc
10/18/2000EP1044427A1 Digital data carrier
10/18/2000EP1012569A4 Coherent interaction of optical radiation beams with optical-electronic materials of generalized crystal symmetry
10/18/2000EP1003804A4 Cross-linkable polymeric composition
10/18/2000EP0944479B1 Use of hydride-containing aluminium oxide for producing optically detectable markings and inscriptions
10/18/2000CN1270693A Optical disk, reproduction apparatus, and reproduction method
10/18/2000CN1270692A Method for playing back a recording medium
10/18/2000CN1270691A Disc reproduction apparatus
10/18/2000CN1270392A Pickup device
10/18/2000CN1270389A Optical disc with super-resolution photochromic shielding film layer
10/18/2000CN1270388A 3D multi-colour storing optical head
10/18/2000CN1270387A Optical recording media
10/18/2000CN1270386A Optical recording media
10/18/2000CN1270385A Information recording method and device
10/18/2000CN1270384A Optical pickup device and CD recording and/or reproducing device
10/18/2000CN1270319A Optical element for optical detection and optical detection apparatus
10/18/2000CN1270307A Method for searching, locating and tracking eavelength of optical waves
10/18/2000CN1270089A Method for machining device and method for machining slide contacts
10/18/2000CN1057629C Disk recording medium and reproducting method and apparatus thereof
10/17/2000US6134695 Code image data output apparatus and method
10/17/2000US6134626 Method and apparatus for recording data using multiple buffers
10/17/2000US6134435 Cellular radiotelephone system with remotely programmed mobile stations
10/17/2000US6134251 Surface emission semiconductor laser
10/17/2000US6134214 Method for substituting defective recording of discoid recording medium and discoid recording medium recording and reproducing device
10/17/2000US6134211 Crosstalk removing device for use in recorded information reproducing apparatus
10/17/2000US6134210 Laser beam emitting device and an optical pickup provided with the laser beam emitting device
10/17/2000US6134209 Producing optical recording using optimum write power
10/17/2000US6134208 Optical pickup device with a plurality of laser couplers
10/17/2000US6134207 Optical data storage system having optical microswitch
10/17/2000US6134204 Method of reducing formatting time for rewritable compact disks by formatting less than the entire logical format
10/17/2000US6134203 Optical disk signal processing apparatus
10/17/2000US6134201 Data recording apparatus, method therefor, data reproducing apparatus, method therefor and record medium
10/17/2000US6134199 Closed loop servo operation for focus control
10/17/2000US6134198 Optical disc apparatus and tracking error signal calculation circuit
10/17/2000US6134197 Optical disk drive apparatus
10/17/2000US6134196 Carriage controller for multi-layer disc
10/17/2000US6134195 Optical pickup device
10/17/2000US6134058 Object lens driving device
10/17/2000US6134055 Objective lens and optical pickup device
10/17/2000US6134003 Method and apparatus for performing optical measurements using a fiber optic imaging guidewire, catheter or endoscope
10/17/2000US6133562 Optical disk apparatus
10/17/2000US6133472 Oxyvinyl groups separated from fluorine containing groups by at least one alkylene group having 2-8 carbon atoms and by at least one oxygen atom in addition to the oxygen on the oxyvinyl; readily radiation curable
10/17/2000US6132932 Optical recording medium comprising first and second metallic layers formed as opposed to an energy beam incident side of the recording layer and having different compositions; provide a good recording sensitivity and a reproduced signal
10/17/2000US6132927 Thin metal recording layer coated from aqueous medium
10/17/2000US6132545 Method of producing an optical video disc
10/17/2000US6131816 Data system with support surfaces for reciprocating data head
10/17/2000US6131807 Information recording medium and information reproduction system
10/12/2000WO2000060829A1 Method and apparatus for protecting maintenance system of transmission device against illegal login
10/12/2000WO2000060593A1 Erasable worm optical disk and method of writing thereto multiple times