| Patents for G11B 20 - Signal processing not specific to the method of recording or reproducing; Circuits therefor (81,980) |
|---|
| 03/18/1980 | CA1074005A1 Recording and playback system |
| 03/18/1980 | CA1073820A1 System for reducing noise transients in recorded sound signals |
| 03/11/1980 | US4193084 Video recorder having means for maintaining constant the amplitude of the frequency-modulated signal |
| 03/04/1980 | US4191976 Circuit indicating phase relationship |
| 03/04/1980 | CA1073115A1 Apparatus, including delay means, for sampling and recovering data recorded by the double transition recording technique |
| 03/04/1980 | CA1073108A1 Multi-media production programmer |
| 03/04/1980 | CA1073107A1 Color killer enhancement in a video signal recording/playback system |
| 03/04/1980 | CA1073096A1 Time base error corrector |
| 02/26/1980 | US4190806 Circuit arrangement for the selective compression or expansion of the dynamic range of a signal |
| 02/26/1980 | US4190801 Digital encoding circuitry |
| 02/26/1980 | CA1072638A1 Transceiver audio system |
| 02/20/1980 | EP0008009A1 Method and circuit arrangement for storing video signals |
| 02/19/1980 | US4189757 System for decoding data on a magnetic medium |
| 02/19/1980 | US4189756 Apparatus for generating bi-phase coded characters |
| 02/19/1980 | US4189745 Defect detecting apparatus |
| 02/12/1980 | US4188620 Phase decoder |
| 02/12/1980 | US4188616 Method and system for transmitting and receiving blocks of encoded data words to minimize error distortion in the recovery of said data words |
| 02/12/1980 | CA1071766A1 Color-picture/multichannel-sound record |
| 02/05/1980 | US4187478 Noise reduction system having specific encoder circuitry |
| 02/05/1980 | US4187477 Noise reduction system |
| 01/29/1980 | US4186411 Recording and playback modulation method and apparatus |
| 01/29/1980 | US4186375 Magnetic storage systems for coded numerical data with reversible transcoding into high density bipolar code of order n |
| 01/29/1980 | CA1070843A1 Method and apparatus for detecting a preamble in a bi-phase data recovery system |
| 01/29/1980 | CA1070835A1 Security cards |
| 01/29/1980 | CA1070827A1 Apparatus and method for recording and reproducing digital-data |
| 01/29/1980 | CA1070826A1 Circuit for demodulating a pulse width modulated signal |
| 01/22/1980 | US4185305 Video information recording and reproducing methods and apparatus |
| 01/22/1980 | US4185273 Data rate adaptive control device for Manchester code decoders |
| 01/22/1980 | US4184631 Device for reading information magnetically coded on a carrier |
| 01/22/1980 | CA1070425A1 Reproducing apparatus with drop out suppression circuit |
| 01/15/1980 | US4184178 Drop-out compensator for sound reproducing apparatus during tape reversal |
| 01/15/1980 | US4184055 Scanning system for reproduction of optical sound tracks with clear area noise discriminator delay means |
| 01/15/1980 | CA1070013A1 Circuit arrangement for a dropout detector |
| 01/15/1980 | CA1070012A1 Circuit arrangement for a dropout detector |
| 01/15/1980 | CA1070009A1 Method and circuit for detecting and compensating for drop-out and distortion of f.m. video signals |
| 01/08/1980 | USRE30187 Plural channel error correcting apparatus and methods |
| 01/08/1980 | US4183066 Technique for recording data on magnetic disks at plural densities |
| 01/08/1980 | CA1069612A1 Magnetic recording and/or reproducing system |
| 01/01/1980 | US4181919 Adaptive synchronizing circuit for decoding phase-encoded data |
| 12/25/1979 | US4180839 Information reproducing apparatus |
| 12/25/1979 | US4180837 Magnetic coding method |
| 12/18/1979 | US4179720 Magnetic recorded information reproducing apparatus |
| 12/11/1979 | US4178607 PAL color television signal generator for control of time base corrector |
| 12/11/1979 | CA1067998A1 Plo phase detector and corrector |
| 12/04/1979 | US4177481 Magnetic recording and/or reproducing apparatus with chrominance crosstalk elimination |
| 12/04/1979 | CA1067622A1 Recorder memory with different read and write rates |
| 11/28/1979 | EP0005532A1 Apparatus mounted on a vehicle for recording of accidents |
| 11/27/1979 | US4176380 Adaptive speed/interblock gap control for tape drive |
| 11/27/1979 | US4176259 Read apparatus |
| 11/20/1979 | US4175272 Video signal processing circuitry for compensating different average levels |
| 10/30/1979 | US4173027 Write precompensation system |
| 10/30/1979 | US4173026 Self clocking speed tolerant magnetic recording method and apparatus |
| 10/30/1979 | CA1065477A1 Computer to tape deck interface |
| 10/23/1979 | US4171765 Error detection system |
| 10/23/1979 | CA1065052A1 Diagnostic testing apparatus and method |
| 10/17/1979 | EP0004718A1 Method of and apparatus for decoding shortened cyclic block codes |
| 10/17/1979 | EP0004657A2 Method for tape recording time-spaced segments of video information and apparatus for carrying out this method |
| 10/16/1979 | US4171479 Method and device for the reading of data |
| 10/16/1979 | CA1064615A1 Phase equalized readback apparatus and methods |
| 10/16/1979 | CA1064609A1 Magnetic record member for use with rotating head magnetic recording apparatus |
| 10/09/1979 | US4170786 Corrective method of reproducing magnetic memory signals and apparatus for carrying out the same |
| 10/09/1979 | CA1064159A1 Phase locked circuits |
| 10/02/1979 | US4170022 Apparatus and process for recording with variable correction of a television signal having three components |
| 10/02/1979 | CA1063722A1 Pilot signal processing means for video recording apparatus |
| 10/02/1979 | CA1063719A1 Phase locked loop decoder |
| 10/02/1979 | CA1063718A1 High density magnetic storage system |
| 10/02/1979 | CA1063717A1 Programmable binary amplifier |
| 10/02/1979 | CA1063711A1 Defect detection and compensation methods and apparatus |
| 09/25/1979 | CA1063231A1 Three-mode signal defect compensation |
| 09/18/1979 | CA1062806A1 Pilot signal luminance correction means for video recording apparatus |
| 09/11/1979 | US4167761 Precedent and subsequent minor transitions to alleviate pulse crowding |
| 09/11/1979 | US4167760 Bi-phase decoder apparatus and method |
| 09/11/1979 | CA1062365A1 Magnetic-tape cartridge-loaded portable video camera |
| 09/04/1979 | US4167027 Stabilizing circuit for phase locked loop |
| 09/04/1979 | CA1061893A1 Self-clocking, error correcting low bandwidth digital recording system |
| 08/21/1979 | US4165531 Data generator for disc file addresses |
| 08/21/1979 | US4165524 Velocity error control apparatus |
| 08/21/1979 | US4165518 Video signal recording and/or reproducing apparatus |
| 08/21/1979 | US4165495 Circuit system for reproducing a signal from a moving record carrier |
| 08/21/1979 | CA1060960A1 Phase locked oscillator |
| 08/14/1979 | US4164763 Time sequenced multiplexing method of recording and translating data |
| 08/14/1979 | CA1060579A1 Apparatus and method for data recording with peak shift compensation |
| 08/14/1979 | CA1060578A1 Video signal recording/reproducing apparatus wherein the phase of the recorded signal is synchronized with the scanning head |
| 08/14/1979 | CA1060576A1 Write clock pulse signal generator for digital time base corrector |
| 08/14/1979 | CA1060574A1 Television system comprising a video storage device and a television receiver |
| 08/14/1979 | CA1060548A1 Variable rate clock signal recovery circuit |
| 08/08/1979 | EP0003444A1 Method and apparatus for video signal recording |
| 08/07/1979 | CA1060108A1 Test code generator |
| 07/31/1979 | US4163264 Noise improvement by capacitor bank in magnetic recording and playback apparatus |
| 07/31/1979 | US4163263 Method and apparatus for tape recording time-spaced segments of video information from a video camera |
| 07/31/1979 | US4163253 Method of and apparatus for modifying a video signal to prevent unauthorized recording and reproduction thereof |
| 07/31/1979 | CA1059636A1 Apparatus and method employing modified zero modulation data code |
| 07/31/1979 | CA1059617A1 Magnetic recorder test article and methods |
| 07/31/1979 | CA1059615A1 Write clock generator for digital time base corrector |
| 07/24/1979 | US4162462 Noise reduction system |
| 07/24/1979 | CA1059238A1 Code converter |
| 07/17/1979 | US4161753 Video recording disk with interlacing of data for frames on the same track |
| 07/17/1979 | CA1058758A1 Digital frequency shift key modulator |
| 07/03/1979 | US4160236 Feedback shift register |
| 07/03/1979 | CA1057860A1 Two mode harmonic and nonharmonic phase detector |