| Patents for G11B 20 - Signal processing not specific to the method of recording or reproducing; Circuits therefor (81,980) |
|---|
| 05/25/1983 | EP0079669A1 Optical type information read/write apparatus |
| 05/24/1983 | US4385395 Bit clock reproducing circuit |
| 05/24/1983 | US4385328 Data extracting circuit |
| 05/24/1983 | US4385327 Audio system having a time base error correction arrangement |
| 05/24/1983 | US4385326 Video disc systems with plural preemphasis/deemphasis networks |
| 05/24/1983 | US4385240 Audio device for motor vehicle |
| 05/24/1983 | CA1147058A1 Record carrier with sector address sections |
| 05/24/1983 | CA1147054A1 Buffered recording |
| 05/17/1983 | US4384346 Thin film magneto-resistive apparatus for effecting readout from magnetic memory devices |
| 05/11/1983 | EP0078653A1 Angle modulation circuit |
| 05/11/1983 | EP0078492A2 Method of controlling storage device |
| 05/11/1983 | EP0078426A1 Recorded data storing and translating apparatus |
| 05/10/1983 | US4383281 Method and arrangement for magnetic digital recording with high frequency biasing with suppression of DC components in the recording signals |
| 05/04/1983 | EP0078218A1 Method for the identification of illicit sound recordings, and duplicator using the method |
| 05/04/1983 | EP0078081A1 Vertical synchronizing information generating device in a video tape recorder |
| 05/04/1983 | EP0078059A2 Improved audio/video signal recording method |
| 05/03/1983 | US4382299 Disc record system employing signal redundancy |
| 05/03/1983 | US4382298 Binary digit or bit restoration circuit |
| 05/03/1983 | US4381910 Apparatus for molding pulley for toothed belts |
| 05/03/1983 | CA1145845A1 Optical information recording apparatus |
| 04/28/1983 | WO1983001533A1 Three beam optical memory system |
| 04/28/1983 | WO1983001532A1 Preformatted optical media for use in an optical memory system |
| 04/27/1983 | EP0077740A1 Magnetic disc device |
| 04/27/1983 | EP0077642A2 Three beam optical memory system |
| 04/27/1983 | EP0077641A2 Method for improved focusing control in an optical memory system |
| 04/27/1983 | EP0077631A1 Signal phase and amplitude equalising circuit |
| 04/27/1983 | EP0077558A1 Method and apparatus for speech recognition and reproduction |
| 04/26/1983 | US4381525 Synchronously operatable PCM recording processor |
| 04/26/1983 | US4381524 Self-clocking write head |
| 04/26/1983 | CA1145464A1 Programmed video record disc and related playback apparatus |
| 04/26/1983 | CA1145418A1 Data signal detection circuit |
| 04/20/1983 | EP0077075A1 Digital player for reproducing a digital signal sequence |
| 04/20/1983 | EP0076862A1 Error correction coding method |
| 04/19/1983 | US4380815 Simplified NRZ data phase detector with expanded measuring interval |
| 04/19/1983 | CA1145036A1 Method of addressing and/or locating information on a record carrier |
| 04/14/1983 | WO1983001334A1 Disk format for secondary storage system |
| 04/13/1983 | EP0076522A1 Magnetic disc unit controlling method |
| 04/13/1983 | EP0076415A1 Expander for noise reduction of compressed audio signals |
| 04/12/1983 | US4380080 Tri-level differential line receiver |
| 04/12/1983 | US4380071 Method and apparatus for preventing errors in PCM signal processing apparatus |
| 04/12/1983 | US4380069 Digital error detection using bracketing |
| 04/12/1983 | US4380068 Test unit for a high-rate multitrack digital recorder |
| 04/12/1983 | US4380047 Interface apparatus employing a video tape drive to back-up a disc drive and including error detecting and correcting circuitry |
| 04/12/1983 | US4380029 Data recording format and method and apparatus for producing same |
| 04/06/1983 | EP0076091A2 Magnetic recording and/or reproducing apparatus |
| 04/06/1983 | EP0075852A2 Pulse code modulation system |
| 04/05/1983 | US4379286 Digital signal processing circuit |
| 03/31/1983 | WO1983001141A1 Encoding and decoding system for binary data |
| 03/29/1983 | US4378593 Time base conversion apparatus |
| 03/29/1983 | US4378573 Magnetic recording and reproducing system with noise cancellation |
| 03/29/1983 | CA1143844A1 Decoding method and system for etab bar code |
| 03/29/1983 | CA1143832A1 Group coded recording data recovery system |
| 03/23/1983 | EP0074841A2 Recording and using cue data |
| 03/23/1983 | EP0074810A2 Subscription television system |
| 03/23/1983 | EP0074793A1 Phase-locked loop circuit |
| 03/23/1983 | EP0074656A2 Method and apparatus for encoding a binary digital information signal |
| 03/23/1983 | EP0074644A2 A PCM type recording and reproducing apparatus having a dropout-immune data recording format |
| 03/22/1983 | US4377863 Synchronization loss tolerant cyclic error checking method and apparatus |
| 03/22/1983 | US4377806 Parallel to serial converter |
| 03/22/1983 | US4377805 Magnetic recording |
| 03/22/1983 | CA1143474A1 Disc-shaped optically readable record carrier used as a data storage medium |
| 03/22/1983 | CA1143467A1 System for recording electrical signals, displayed on a moving support |
| 03/16/1983 | EP0074039A1 PCM Signal recording and reproducing apparatus |
| 03/15/1983 | US4376958 Modified frequency modulation |
| 03/15/1983 | US4376916 Signal compression and expansion system |
| 03/15/1983 | US4376874 Real time speech compaction/relay with silence detection |
| 03/15/1983 | CA1143052A1 Recording and/or reproducing colour television signals |
| 03/09/1983 | EP0073519A2 Optical disc player |
| 03/09/1983 | EP0073468A1 Dropout compensation system |
| 03/09/1983 | EP0073330A2 Hierarchical storage systems adapted for error handling |
| 03/08/1983 | US4376289 Self-enabling dropout corrector |
| 03/08/1983 | US4376268 Phase locked loop having automatic-input tuning and phase control circuits |
| 03/07/1983 | EP0042861A4 Automated conversation system. |
| 03/01/1983 | USRE31166 Recovery of normally illegible, magnetically recorded information |
| 02/23/1983 | EP0072704A2 Method and apparatus for optically recording and reproducing information |
| 02/23/1983 | EP0072640A1 Methods of data error correction |
| 02/22/1983 | US4375101 System for formatting data on video tape for high accuracy recovery |
| 02/22/1983 | US4375100 Method and apparatus for encoding low redundancy check words from source data |
| 02/22/1983 | US4375088 Optically readable record carrier with track variations which provide clock and tracking signals and apparatus for recording and/or reproducing data from such a record carrier |
| 02/22/1983 | US4375069 Programmable format sequencer for disk drive |
| 02/16/1983 | EP0071680A1 Data recording or transmission system using run length limited coding |
| 02/09/1983 | EP0071325A2 Method of and apparatus for demultiplexing a composite signal containing a plurality of data streams |
| 02/08/1983 | US4373154 Data encoding and/or decoding |
| 02/08/1983 | CA1141025A1 Code signal reading apparatus |
| 02/08/1983 | CA1141022A1 Time base compensator |
| 02/08/1983 | CA1140999A1 Dc free encoding for data transmission |
| 02/08/1983 | CA1140998A1 Dc free encoding for data transmission including limited look-ahead means |
| 02/01/1983 | US4371270 Block signal forming digital processor with error correction |
| 01/26/1983 | EP0070387A2 Method and apparatus for generating a noiseless sliding block code for a (1,7) channel with rate 2/3 |
| 01/25/1983 | US4370643 Apparatus and method for compressively approximating an analog signal |
| 01/25/1983 | US4370524 Circuit for time compression and expansion of audio signals |
| 01/25/1983 | CA1140256A1 Circuit arrangement for detecting a switching phase |
| 01/18/1983 | US4369509 Gain control circuit for noise reduction system |
| 01/18/1983 | US4369472 Method and apparatus for encoding digital data |
| 01/18/1983 | CA1139860A1 Error correction in a digital signal transmission system |
| 01/12/1983 | EP0069561A1 Data transmission system |
| 01/12/1983 | EP0069550A1 Method and apparatus for normalizing servo-positioning signals, particularly for transducers for recording tracks |
| 01/11/1983 | US4368533 Error data correcting system |
| 01/11/1983 | CA1139442A1 System, method and record medium for reproducing pictures and related audio information |
| 01/11/1983 | CA1139435A1 Reader for data recorded on magnetic disks at plural densities |