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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07/15/1999 | CA2318350A1 Magnetic engraving method, in particular for magnetic or magneto-optical recording |
07/14/1999 | EP0929066A2 Information recording medium, apparatus and control method therefor |
07/14/1999 | EP0928971A1 Automatically adapting forward or reversed biased photodiode detection circuit |
07/14/1999 | EP0928816A2 Phthalocyanine compound, its intermediate, process for producing the compound, and use thereof |
07/14/1999 | EP0928482A2 Multi-surfaced, single sided optical disc |
07/14/1999 | EP0928481A2 Integrated optical head apparatus and associated methods |
07/14/1999 | EP0928243A1 Method and apparatus for glueing together disc elements |
07/14/1999 | EP0807346A4 Cd-prom |
07/14/1999 | CN1222990A Storage medium and manufacture thereof |
07/14/1999 | CN1222731A Disk recording or playback device and method of controlling pickup of device |
07/14/1999 | CN1222728A Real-time regulating apparatus and method for objective optical-axis of optical pick-up device |
07/14/1999 | CN1222727A Optical pickup and optical disk unit |
07/14/1999 | CN1222725A Disc apparatus |
07/14/1999 | CN1222724A Recording and/or reproduction apparatus, file management method and providing medium |
07/14/1999 | CN1222723A Recording/reproducing apparatus and method recording medium |
07/13/1999 | US5923869 Method and an apparatus for reproducing bitstream having non-sequential system clock data seamlessly therebetween |
07/13/1999 | US5923640 Optical disc with a rewritable area and a read-only area |
07/13/1999 | US5923639 Phase-change optical recording medium having an additive related to the writing line speed |
07/13/1999 | US5923636 Optical pickup |
07/13/1999 | US5923635 Optical information recording or playbacking system, optical head apparatus used in the system and method for recording or playbacking optical information |
07/13/1999 | US5923634 Optical disc having surface portions configured to each represent at least two bits of data |
07/13/1999 | US5923633 Optical reproducing device compatible with multiple media recording densities |
07/13/1999 | US5923632 Optical pick-up device for a multi-layer recording medium with a photodetector arrangement for focusing and tracking control |
07/13/1999 | US5923631 Optical information recording/reproducing apparatus including a beam axis adjusting device for adjusting a position of a beam incident to a diffraction grating |
07/13/1999 | US5923627 For providing video signals |
07/13/1999 | US5923626 Recording or playback devices for optical information carriers having a different track width |
07/13/1999 | US5922504 Optical recording elements having recording layers containing mixtures of no k metallized formazan and cyanine dyes |
07/13/1999 | US5922430 Compact disk protector |
07/13/1999 | US5922429 Optical recording elements having recording layers containing mixtures of low k metallized formazan and cyanine dyes |
07/13/1999 | US5922177 Magneto-optical recording medium and producing method thereof |
07/13/1999 | CA2151670C Optical tape cartridge |
07/13/1999 | CA2045512C Data recording method and data reproducing apparatus |
07/09/1999 | CA2258382A1 Disk recording or playback device and method of controlling pickup of the device |
07/08/1999 | WO1999034362A1 Optical recording medium and process for producing the same |
07/08/1999 | WO1999034361A1 Optical recording medium and process for producing the same |
07/08/1999 | WO1999034360A1 Actuator for objective lenses |
07/08/1999 | WO1999034359A2 Optical record carrier and scanning device |
07/08/1999 | WO1999034358A2 Multidimensional optical recording medium and recording and playback apparatus of the same |
07/08/1999 | WO1999034355A2 Method for reading information and device for realising the same |
07/08/1999 | WO1999014755A3 Optical disc recording apparatus, computer-readable recording medium recording a file management program, and optical disc |
07/07/1999 | EP0927996A2 Optical disk drive capable of playing card type optical disk |
07/07/1999 | EP0927995A1 Optical recording medium and method of its manufacture |
07/07/1999 | EP0927994A1 Optical information recording medium |
07/07/1999 | EP0927993A2 Track loss signal generating apparatus used in optical disc drive and optical disc drive equipped wih the apparatus, as well as optical disc drive equipped with amplitude adjusting apparatus for tracking error signal |
07/07/1999 | EP0927888A1 Automatically adapting forward or reversed biased photodiode detection circuit |
07/07/1999 | EP0927419A1 Optical recording medium comprising a cross-linked buffer layer |
07/07/1999 | CN1221951A Optical pickup actuator for both compact disc and digital video disc |
07/07/1999 | CN1221950A Focus position regulator and CD driving device |
07/07/1999 | CN1221949A Audio information recording medium and audio information reproducing apparatus |
07/07/1999 | CN1221948A Information record medium,and apparatus for and method of reproducing the same |
07/07/1999 | CN1221947A Optical disk drive capable of playing card type optical disk |
07/07/1999 | CN1221946A 数据信号重现方法和系统 Data signal reproduction method and system |
07/07/1999 | CN1221944A Method for processing data of deffct sector in DVD-RAM system |
07/07/1999 | CN1221883A Automatically adapting forward or reversed biased photodiode detection circuit |
07/07/1999 | CN1221685A Admission document |
07/07/1999 | CN1044045C Tracing system and method using servo-data magnetic sensor and photolithoyraphic magnetic disc track |
07/06/1999 | US5920661 Information recording medium and information reproducing apparatus |
07/06/1999 | US5920585 Laser diode package having an optical power monitoring function |
07/06/1999 | US5920540 Optical disk having address information in lands and grooves, and an information recording/reproduction method |
07/06/1999 | US5920539 Apparatus and method for suppression of electromagnetic emissions having a groove on an external surface for passing an electrical conductor |
07/06/1999 | US5920538 Magneto-optical readout method and magneto-optical readout head and method for making same |
07/06/1999 | US5920537 Correction element of lower light intensity around an optical axis of an optical head with a plurality of focal points |
07/06/1999 | US5920536 Method and apparatus for holographic data storage system |
07/06/1999 | US5920535 Automatic editing/recording device and dubbing system loaded with the device |
07/06/1999 | US5920534 Optical disk apparatus |
07/06/1999 | US5920533 Clock signal extraction system for high density recording apparatus |
07/06/1999 | US5920532 Information pick-up apparatus and optical disk apparatus |
07/06/1999 | US5920530 Rotation control apparatus operating with a sync signal having variable intervals |
07/06/1999 | US5920528 Optical disc apparatus and method of tracking control of optical disc apparatus |
07/06/1999 | US5920527 Apparatus and method for accessing multiple recording layers of a disk |
07/06/1999 | US5920526 Method for detecting a boundary between recorded and unrecorded areas on an optical disc |
07/06/1999 | US5920441 Method and apparatus for controlling a multiple-stage actuator for a disk drive |
07/06/1999 | US5920438 Programmable digital centerline tracking threshold apparatus and method |
07/06/1999 | US5920437 Objective lens driving apparatus |
07/06/1999 | US5920329 Optical information medium and method for printing on the surface of the medium |
07/06/1999 | US5919950 Squarylium compounds, and processes and intermediates for the synthesis of these compounds |
07/06/1999 | US5919928 Phenanthridine derivatives and metal complexes thereof used for transparent recording medium or optical recording medium |
07/06/1999 | US5919607 Photo-encoded selective etching for glass based microtechnology applications |
07/06/1999 | CA2120740C Optical data storage disc |
07/01/1999 | WO1999033093A1 Vacuum treatment installation |
07/01/1999 | WO1999033053A1 Method and apparatus for maximum likelihood detection |
07/01/1999 | WO1999033052A1 Optical recording medium and method of producing the same, and recording signal reproducing device for the medium |
07/01/1999 | WO1999031956A2 Automated servo gain adjustment using fourier transform |
07/01/1999 | WO1999026243B1 System and method of encoding for identifying a given surface among several identically patterned disk surfaces |
07/01/1999 | DE19860054A1 Optical head for optical disc system |
07/01/1999 | DE19859529A1 Rewritable optical disk comprises recording area divided into groups by annular boundaries with spare area with sectors to be allocated in place of defective sections |
07/01/1999 | DE19843153A1 Read circuit for disc player |
06/30/1999 | EP0926669A1 Method for controlling rotary storage medium having electronic circuit and system therefor |
06/30/1999 | EP0926667A2 Disk player |
06/30/1999 | EP0926666A2 Optical pickup position control device |
06/30/1999 | EP0926665A2 Optical information recording/reproducing apparatus |
06/30/1999 | EP0926664A2 Optical disk and optical disk apparatus |
06/30/1999 | EP0926663A2 Optical storage medium and reproduction of data therefrom |
06/30/1999 | EP0926662A2 Optical disc device |
06/30/1999 | EP0926575A1 Automatic setting of gain in control loops |
06/30/1999 | EP0926258A2 Getter system for purifying the working atmosphere in physical vapor deposition processes |
06/30/1999 | EP0926180A2 A polycarbonate copolymer and applications thereof |
06/30/1999 | EP0925582A2 Device for curing an adhesive between two layers of an information carrier |
06/30/1999 | EP0925581A1 Machine-readable optical disc with reading-inhibit agent |
06/30/1999 | CN2327046Y Light-disk repairing machine |