| Patents for G11B 20 - Signal processing not specific to the method of recording or reproducing; Circuits therefor (81,980) |
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| 04/13/1994 | EP0591636A2 Partial ROM magneto-optical disk medium and computer system |
| 04/13/1994 | EP0591520A1 Disk storage system |
| 04/13/1994 | CN1085341A Data recorder using still framing technique for information retrieval and method |
| 04/12/1994 | US5303326 Broadcast digital sound processing system |
| 04/12/1994 | US5303278 Circuit for compensating waveform shaping error |
| 04/12/1994 | US5303219 Reclamation of dust contaminated sectors in optical disk apparatus |
| 04/12/1994 | US5303218 Digital recorder for reproducing only required parts of audio signals wherein a plurality of parts of audio signals are stored on a same track of a recording medium |
| 04/12/1994 | US5303217 Optical recording device wherein recording beam intensity is set in accordance with an optimum value of the DC component of a recorded signal |
| 04/12/1994 | US5303215 Self-timing optic lathe |
| 04/12/1994 | US5303107 System for holding a track counter active despite power suspension in rotating disk data storage apparatus |
| 04/12/1994 | US5303097 Disk synchronization control system and method |
| 04/12/1994 | US5303095 System and method of controlling data transfer rate in a magnetic tape drive |
| 04/12/1994 | US5303094 Apparatus for recording and/or reproducing digital and analog magnetic tape signals with A/D and D/A converters |
| 04/12/1994 | US5303093 Noise reduction/elimination apparatus for use with rotary head type recording/reproducing apparatus |
| 04/12/1994 | US5303091 Digital audio tape recorder for recording character data with digital data |
| 04/12/1994 | US5302986 Information recording control apparatus in a camera |
| 04/06/1994 | EP0590976A1 Radio frequency switching circuit for a video cassette recorder (VCR) |
| 04/06/1994 | EP0590881A2 Methods and apparatus for reproducing and decoding data recorded on a disk |
| 04/06/1994 | EP0590878A2 Data block sequencing using ID after embedded servo sector in disk drive |
| 04/06/1994 | EP0339930B1 Method and apparatus for recording and reproducing picture information, and recording medium |
| 04/06/1994 | CN1085001A Optimum recording/reproducing apparatus |
| 04/06/1994 | CN1085000A Optical disc and information treatment apparatus using same |
| 04/05/1994 | US5301304 Emulating records in one record format in another record format |
| 04/05/1994 | US5301205 Apparatus and method for data compression using signal-weighted quantizing bit allocation |
| 04/05/1994 | US5301181 Information dubbing apparatus with automatic ejecting of reproduced medium and restart of recording |
| 04/05/1994 | US5301172 Method of storing user information items and apparatus for reproducing stored items |
| 04/05/1994 | US5301071 Recording and reproducing apparatus using a bidirectional line to receive and transmit signals |
| 04/05/1994 | US5301032 Digital image compression and decompression method and apparatus using variable-length coding |
| 04/05/1994 | CA2041867C Current averaging data separator |
| 03/31/1994 | WO1994007331A1 Video multiplexing system |
| 03/31/1994 | WO1994007330A1 Data formats on optical video tape |
| 03/31/1994 | WO1994007240A1 Buffering method and system for resonant scanner |
| 03/31/1994 | WO1994003988A3 Dithered digital signal processing system |
| 03/30/1994 | EP0589670A1 Optical information recording/reproducing apparatus |
| 03/30/1994 | EP0589459A1 Recording and reproducing apparatus |
| 03/30/1994 | EP0589219A2 Method and system for non-specific data retrieval in a data processing system |
| 03/29/1994 | US5299267 Operating apparatus of an audio mixer |
| 03/29/1994 | US5299071 Multi-channel data recorder |
| 03/29/1994 | US5299070 Digital signal reproducing system for processing the reproduced digital signal with the most favorable error rate |
| 03/29/1994 | US5299069 Magnetic tape format for recording digital picture data |
| 03/29/1994 | US5299019 Image signal band compressing system for digital video tape recorder |
| 03/29/1994 | US5298999 Jitter detection circuit |
| 03/29/1994 | US5298897 Method and apparatus for decoding two frequency (f/sf) data signals |
| 03/29/1994 | US5298895 Data compression method and apparatus utilizing an adaptive dictionary |
| 03/29/1994 | CA1328133C Analog signal switching device for use in an optical memory device |
| 03/23/1994 | EP0588586A2 Apparatus and method for decoding a plurality of encoded video signals |
| 03/23/1994 | EP0588527A1 Disk drive synchronisation |
| 03/23/1994 | EP0588523A1 Signal reproduction apparatus and unit for detecting leading edge of signal |
| 03/23/1994 | EP0588476A2 Video data compression |
| 03/23/1994 | EP0588337A1 Method of recording and playback of data |
| 03/23/1994 | EP0587952A1 Method for controlling a tape system storage device |
| 03/23/1994 | EP0587733A1 Low computational-complexity digital filter bank. |
| 03/23/1994 | EP0587615A1 Signalization of types of defects of an optical information carrier. |
| 03/22/1994 | US5297236 Low computational-complexity digital filter bank for encoder, decoder, and encoder/decoder |
| 03/22/1994 | US5297185 Pattern detection and synchronization circuit |
| 03/22/1994 | US5297184 Gain control circuit for synchronous waveform sampling |
| 03/22/1994 | US5297181 Method and apparatus for providing a digital audio interface protocol |
| 03/22/1994 | US5297131 Eccentricity detection and compensation of a disk by a preformatted encoding pattern |
| 03/22/1994 | US5297129 Waveform shaping method and apparatus for optical recording |
| 03/22/1994 | US5297124 Tape drive emulation system for a disk drive |
| 03/22/1994 | US5297113 Jump operation in two-head-type video disc player |
| 03/22/1994 | US5296995 Method of magnetically recording and reading data, magnetic recording medium, its production method and magnetic recording apparatus |
| 03/22/1994 | US5296978 Information signal reproducing apparatus |
| 03/17/1994 | WO1994006118A1 On-the-fly splitting of disk data blocks |
| 03/17/1994 | WO1994006117A1 Reproduction technique for sounds, pictures or both |
| 03/17/1994 | WO1994006116A1 A process for the identification of films, masters of videotapes |
| 03/17/1994 | WO1993026005A3 Arcuate scanning tape drive |
| 03/16/1994 | EP0587437A2 Data compression/decompression and storage of compressed and uncompressed data on a single data storage volume |
| 03/16/1994 | EP0587373A1 Recording media, recording methods, recording/reproducing apparatus, and recording media cutting apparatus |
| 03/16/1994 | EP0587019A2 Optical disk system and information processing system using the same |
| 03/16/1994 | EP0586565A1 Improved signal encode/decode system |
| 03/16/1994 | CN1083961A Method and circuit for recording and reproducing analog signals and anti-copy of tape |
| 03/16/1994 | CN1083957A Method and system for adaptive digital linearizati on of magnetoresistive head output |
| 03/16/1994 | CN1024053C Method of and device for providing a record carrier with information patterns |
| 03/15/1994 | US5295163 Synchronization method for a run length-limited (1,7)-code, and circuit arrangement for said method |
| 03/15/1994 | US5295130 Apparatus and method for signal reproduction |
| 03/15/1994 | US5295128 Clock controller employing a discrete time control loop method for clocking data in an asynchronous channel |
| 03/15/1994 | US5295127 Optical data recorder with segment synchronization marks |
| 03/15/1994 | US5295126 Information recording apparatus for recordable optical disc |
| 03/15/1994 | US5295124 Optical recording apparatus |
| 03/15/1994 | US5295023 Digital signal recording apparatus for analog/digital input |
| 03/15/1994 | US5294997 Image signal with pilot signal recording apparatus |
| 03/15/1994 | US5294995 Video disc reproducing apparatus with phase shifter to eliminate inter-modulation distortion between reproduced audio and video signals |
| 03/15/1994 | US5294844 Sampling signal generation circuit |
| 03/15/1994 | US5294745 Information storage medium and apparatus for reproducing information therefrom |
| 03/15/1994 | CA2078190A1 Data file format and method of storing and retrieving data files |
| 03/10/1994 | DE4329841A1 Magnetic disc recording and playback of video signals - separates and processes video signal to remove jitter component followed by modification of original signal |
| 03/10/1994 | DE4329840A1 Video signal magnetic disc recording and playback appts. - processes input signal to provide modifying action to that is added to original signal to improve quality when speed variations exist. |
| 03/09/1994 | EP0586253A2 Optimum recording/reproducing apparatus |
| 03/09/1994 | EP0586236A2 Clock generators for magnetic disk drives |
| 03/09/1994 | EP0586228A2 Circuit for calculating DC value in digital recording and reproducing system |
| 03/09/1994 | EP0585991A1 Arrangement for reproducing a digital signal from a record carrier, comprising a variable equalizer |
| 03/09/1994 | EP0585979A1 Miniature disk drive having embedded sector servo with split data fields and automatic on-the-fly data block sequencing |
| 03/09/1994 | EP0585497A1 Tape dubbing apparatus and divided master tapes producing apparatus |
| 03/09/1994 | EP0321314B1 Optical disc |
| 03/08/1994 | US5293566 Information recording and reproducing apparatus |
| 03/08/1994 | US5293565 Fortmat for data-storing disk media wherein addressable track angular length is independent of disk revolutions |
| 03/08/1994 | US5293549 Digital signal apparatus for correctly demodulating data despite a fluctuation in reading rate or variation in regenerated pulse duration due to abnormalities in a recording medium from which data is being read |
| 03/08/1994 | US5293388 Compression/decompress with ECC data flow architecture |
| 03/08/1994 | US5293369 Asynchronous sampling digital detector system for magnetic and optical recording channels |