| Patents for G11B 20 - Signal processing not specific to the method of recording or reproducing; Circuits therefor (81,980) |
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| 08/12/1998 | CN1190314A Decoding method and deocder of D-VHS codec system |
| 08/12/1998 | CN1190313A Method and device for information anti-duplication |
| 08/12/1998 | CN1190290A Phase locked loop circuit and reproducing apparatus provided with thereof |
| 08/12/1998 | CN1190289A 数字信号处理 Digital Signal Processing |
| 08/11/1998 | US5794202 IC card memory having a specific recording format and method for recording/reproducing a digital voice therefrom |
| 08/11/1998 | US5793927 Methods for monitoring and modifying a trick play data stream to insure MPEG compliance |
| 08/11/1998 | US5793897 Adaptive variable-length coding and decoding methods for image data |
| 08/11/1998 | US5793873 Sound capturing method and device |
| 08/11/1998 | US5793872 Apparatus and method for reproducing data from a multi-scene recording medium having data units of program information items recorded alternatingly and continuously thereon |
| 08/11/1998 | US5793779 Optical disk and method and apparatus for recording and then playing information back from that disk |
| 08/11/1998 | US5793738 Optical disc |
| 08/11/1998 | US5793727 Array disk system and method of writing and reading data in array disk system |
| 08/11/1998 | US5793724 Optical disk error-correcting code system correlating error correction with sector address |
| 08/11/1998 | US5793723 Method and a system for adjusting optical recording device involving an optical recording medium of non-uniform heat characteristics |
| 08/11/1998 | US5793722 Optical disk apparatus, tracking control circuit therefor, and method of tracking groves and lands |
| 08/11/1998 | US5793556 High speed PES demodulator |
| 08/11/1998 | US5793552 Method and apparatus for high speed searching in arcuate scan tape drives |
| 08/11/1998 | US5793549 Methods and apparatus for synchronizing read out of data from multiple tracks of an optical storage device |
| 08/11/1998 | US5793548 Fault tolerant sync mark detector for comparing a sign and magnitude of a detected sequence to a target sync mark in sampled amplitude magnetic recording |
| 08/11/1998 | US5793547 Information signal reproducing apparatus with signal correcting function |
| 08/11/1998 | US5793546 Data transmitting apparatus and data reproducing apparatus using format compatibility to achieve upward and downward compatibility |
| 08/11/1998 | US5793444 Audio and video signal recording and reproduction apparatus and method |
| 08/11/1998 | US5793412 Data transmission apparatus of video-on-demand or near video-on-demand system |
| 08/06/1998 | WO1998034405A1 Vcr-like functions rendering video on demand |
| 08/06/1998 | WO1998034230A2 Recording of trick play signals on a record carrier |
| 08/06/1998 | WO1998034229A1 Data processing system, recording/reproducing device, data processing method, and file management method |
| 08/06/1998 | WO1998034228A2 Recording of a trick play signal in a helical scan type recording apparatus |
| 08/06/1998 | WO1998034227A2 Recording of a trick play signal on a record carrier |
| 08/06/1998 | WO1998034226A2 Recording of trick play signals on a record carrier |
| 08/06/1998 | WO1998034225A2 Sync block numbering of trick play signals during recording of such signals on a record carrier |
| 08/06/1998 | WO1998034224A2 Direction identifier for recording of trick play signals on a record carrier |
| 08/06/1998 | CA2250821A1 Recording of a trick play signal on a record carrier |
| 08/05/1998 | EP0856849A2 Audio disc of improved data structure and reproduction apparatus therefor |
| 08/05/1998 | EP0856848A2 Data demodulator and data demodulating method |
| 08/05/1998 | EP0856847A1 Information signal recording and reproducing apparatus and recording and reproducing method |
| 08/05/1998 | EP0856838A1 Method and device for controlling tracking of optical memory card |
| 08/05/1998 | EP0856225A1 Encryption and decryption of multi-media data |
| 08/05/1998 | EP0856224A1 Method and apparatus for removing or defeating effects of copy protection signals from a video signal |
| 08/05/1998 | EP0856172A1 Data storage system |
| 08/05/1998 | EP0500159B1 Transmission system, and receiver to be used in the transmission system |
| 08/05/1998 | CN1189953A Magnetic-tape recording/reproducing arrangment comprising a coding device |
| 08/05/1998 | CN1189740A DVD audio disk reproducing device and method |
| 08/05/1998 | CN1189667A 记录介质 Recording medium |
| 08/04/1998 | US5790937 Method and apparatus for the distribution of multi-media documents |
| 08/04/1998 | US5790773 Method and apparatus for generating snapshot copies for data backup in a raid subsystem |
| 08/04/1998 | US5790747 Digital video signal recording apparatus with shuffling across an entire high definition image |
| 08/04/1998 | US5790746 Multichannel digital-signal reproducing apparatus for switching access timing relative to reproducing timing based on a determination of recorded/reproduced information |
| 08/04/1998 | US5790613 Cycle slip detector and phase locked loop circuit and digital signal reproducing apparatus using the same |
| 08/04/1998 | US5790571 Coding data in a disc drive according to a code having desired algebraic characteristics |
| 08/04/1998 | US5790569 Method and apparatus for generating, recording and transmitting an error product code block having an improved check code arrangement |
| 08/04/1998 | US5790500 Apparatus for recording/reproducing converted four-channel audio signals |
| 08/04/1998 | US5790499 Method for protecting data recorded on a partial read-only memory (ROM) medium from unauthorized copying |
| 08/04/1998 | US5790498 Apparatus for self-recording a compact disk reproduced signal on a video tape in a video cassette recorder/compact disk player complex system |
| 08/04/1998 | US5790495 Data generator assembly for retrieving stored data by comparing threshold signal with preprocessed signal having DC component |
| 08/04/1998 | US5790494 Digital audio recorder and digital audio recording and reproducing system |
| 08/04/1998 | US5790492 Crosstalk canceler with digital filter for producing pseudo crosstalk component |
| 08/04/1998 | US5790491 Calibrating optical disk lasers using a minimal amount of write-once data storage space |
| 08/04/1998 | US5790489 Smart compact disk including a processor and a transmission element |
| 08/04/1998 | US5790488 Optical disk having both constant linear and constant angular velocity recording regions and optical disk recording system |
| 08/04/1998 | US5790487 Optical information recording medium, optical information recording method, and optical information reproducing apparatus utilizing the same |
| 08/04/1998 | US5790484 Disc recording/reproducing apparatus having memory control which allows recording immediately upon loading of the disc |
| 08/04/1998 | US5790482 Optical disk apparatus for recording information using a light intensity modulation method with a partial response detector |
| 08/04/1998 | US5790427 Event history data acquisition |
| 08/04/1998 | US5790340 Head position controller of magnetic disk unit |
| 08/04/1998 | US5790335 Asymmetrical signal detector and signal regenerating apparatus using the same detector |
| 08/04/1998 | US5790333 Disk drive having optimized off-track compensation |
| 08/04/1998 | US5790332 Method and apparatus for generating clock signals having count closure and deterministically optimized phase closure |
| 08/04/1998 | US5790330 Method of recording magnetic information on a roll of film using a secondary recording medium |
| 08/04/1998 | US5790264 Information reproduction apparatus |
| 08/04/1998 | US5790056 Method of converting a series of m-bit information words to a modulated signal, method of producing a record carrier, coding device, device, recording device, signal, as well as a record carrier |
| 08/04/1998 | US5789913 Method for analyzing and equalizing signals |
| 07/30/1998 | WO1998033325A2 Method and system for transferring content information and supplemental information relating thereto |
| 07/30/1998 | WO1998033324A2 Embedding supplemental data in an encoded signal |
| 07/30/1998 | WO1998033176A2 System for copy protection of recorded signals |
| 07/30/1998 | WO1998033174A2 Disk drive failure analysis apparatus and method |
| 07/30/1998 | WO1998033105A1 Method and apparatus for encrypting and for decrypting data arranged in a data sector |
| 07/29/1998 | EP0855837A2 Information signal duplication control |
| 07/29/1998 | EP0855836A2 Video signal transmission method, superimposed information transmission method, video signal output device, video signal reception device, and video signal recording medium |
| 07/29/1998 | EP0855715A2 DVD audio disk reproducing device and method thereof |
| 07/29/1998 | EP0855711A2 Digital recording/reproduction apparatus |
| 07/29/1998 | EP0855710A2 Data modulator and data modulating method |
| 07/29/1998 | EP0855638A1 Method and apparatus for encrypting and for decrypting data arranged in a data sector |
| 07/29/1998 | CN1189233A Multimedium optical disk storing image titles in such manner that whether they need AV functions for reproduction can be instantly judged, and apparatus for and method of reproducing the same |
| 07/29/1998 | CN1189226A Interactive transaction management multimedia system |
| 07/29/1998 | CN1189053A Information output device, information recording device, informaion duplication control system and recording medium of the same |
| 07/29/1998 | CN1189049A Coding method and coder of D-VHS codec system |
| 07/29/1998 | CN1188964A System decoder having error correcting memories and method for controlling same |
| 07/29/1998 | CN1188963A Data decoding system and method, transfer device and method, and receiving device and method |
| 07/29/1998 | CN1188962A Storate and transmission of one-bit data |
| 07/29/1998 | CN1188929A Method for transmitting data, and apparatus for transmitting data and medium |
| 07/28/1998 | US5787445 Operating system including improved file management for use in devices utilizing flash memory as main memory |
| 07/28/1998 | US5787296 Machine implemented method |
| 07/28/1998 | US5787292 Memory storage device |
| 07/28/1998 | US5787222 Information recording apparatus and information reproducing apparatus |
| 07/28/1998 | US5787170 Database system with local information remotely supported with dynamic information |
| 07/28/1998 | US5787068 Method and arrangement for preventing unauthorized duplication of optical discs using barriers |
| 07/28/1998 | US5787005 Method and apparatus for signal threshold adjustment that compensates for signal asymmetry |
| 07/28/1998 | US5786957 Magnetic disk device using non-aligned read and write heads with tracking servos and a rotary actuator |
| 07/28/1998 | US5786954 Magnetic disk recording and playback apparatus using independently positioned recorded pattern sets for clock generation |
| 07/28/1998 | US5786953 Arrangement for reproducing n digital signals having n phase-locked loops each including a phase shifter, controlled by an integrating element, arranged between a VCO output and a phase detector |