| Patents for G11B 20 - Signal processing not specific to the method of recording or reproducing; Circuits therefor (81,980) |
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| 04/15/1986 | US4583208 Sector mark decoder for an optical recorder |
| 04/15/1986 | US4583134 Coded control signal to control tape recorder |
| 04/15/1986 | US4583132 Recording/reproducing apparatus for selectively processing monaural, stereo and bilingual signals |
| 04/15/1986 | US4583129 Color TV signal playback apparatus |
| 04/15/1986 | US4583074 Expansion circuit for digital signals |
| 04/15/1986 | CA1203320A1 Detection of sequential data stream |
| 04/10/1986 | CN85108275A Method and apparatus for recording pcm signal |
| 04/09/1986 | EP0177235A1 Apparatus for recording audio and video signals |
| 04/09/1986 | EP0177185A1 Methods of recording audio signals for video tape recorder |
| 04/09/1986 | EP0176946A2 Sampling-frequency synchronisation |
| 04/09/1986 | EP0176685A2 Method for detecting the digital sum variation of a serial data signal |
| 04/08/1986 | US4581741 Error detection apparatus for data dependent coding circuitry |
| 04/08/1986 | US4581662 Position control apparatus for controlling positions of rotary heads with respect to a recording medium |
| 04/08/1986 | US4581660 Circuit arrangement for retrieving data contained in binary data signals |
| 04/08/1986 | CA1203020A1 Audio system having a time base error correction arrangement |
| 04/08/1986 | CA1203019A1 Apparatus for recording and reproducing a digital signal |
| 04/08/1986 | CA1203015A1 Recording and/or reproducing apparatus for a multi- channel digital signal |
| 04/02/1986 | EP0176257A2 Magnetic recording apparatus for intermittently recording a video signal |
| 04/02/1986 | EP0176218A2 Error correcting system |
| 04/02/1986 | EP0175941A2 Device and method for making and optionally compensating a temporary relation between digital signal sequences |
| 04/01/1986 | US4580278 Read clock producing system |
| 04/01/1986 | US4580255 Servo circuit for a signal reproducing apparatus |
| 04/01/1986 | US4580176 Adaptive equalization circuit for magnetic recording channels utilizing signal timing |
| 04/01/1986 | US4580100 Phase locked loop clock recovery circuit for data reproducing apparatus |
| 04/01/1986 | CA1202718A1 Process and device for generating synchronizing signals in an optical data carrier write - read apparatus |
| 04/01/1986 | CA1202715A1 Apparatus for decoding video address code signals |
| 03/27/1986 | WO1986001955A1 Method and apparatus for processing digital signals prior to recording |
| 03/26/1986 | EP0175308A2 Recording disk data playback apparatus |
| 03/25/1986 | US4578799 Method and apparatus for recovering data and clock information from a self-clocking data stream |
| 03/25/1986 | US4578722 Method for checking disk identity in a flexible disk recorder |
| 03/25/1986 | US4578721 Stress test for magnetic disc recording apparatus |
| 03/25/1986 | US4578720 Self-clocking code demodulator with error detecting capability |
| 03/25/1986 | US4577944 Lens mount with noise reducing means |
| 03/19/1986 | EP0174860A2 Information recording and readout |
| 03/19/1986 | EP0174822A2 Drop-out correcting apparatus |
| 03/19/1986 | EP0174807A2 Data storage and decoding apparatus |
| 03/19/1986 | EP0174666A2 Recording disk data playback apparatusand method |
| 03/19/1986 | EP0174636A2 Method for masking errors |
| 03/19/1986 | EP0174633A1 Method for Correcting Time Base Fluctuations in a Reproduced Video Signal |
| 03/18/1986 | US4577319 Error flag processor |
| 03/18/1986 | US4577305 Stereophonic motion picture photographic sound-tracks compatible with different sound projection formats and record and playback apparatus therefore |
| 03/18/1986 | US4577289 Hardware key-on-disk system for copy-protecting magnetic storage media |
| 03/18/1986 | US4577241 Digital video tape recorder apparatus |
| 03/18/1986 | US4577238 Circuit for reducing intermodulation distortion in a frequency-modulated signal |
| 03/18/1986 | US4577237 Error correction in digital television signals |
| 03/18/1986 | US4577236 Apparatus for reproducing a color video signal |
| 03/18/1986 | US4577180 Digital data converting method and apparatus thereof |
| 03/18/1986 | US4577155 Data extracting circuit |
| 03/12/1986 | EP0174095A2 Tracking control apparatus |
| 03/12/1986 | EP0173900A1 Error-protecting code for a digital video tape recorder |
| 03/11/1986 | US4575774 Disk subsystem read write control |
| 03/11/1986 | US4575773 Method and apparatus for selectively recording instrument quality data or composite instrument quality data and video signals on a commercial unmodified video tape recorder |
| 03/11/1986 | US4575772 Apparatus for recording additional video signals in a helical scan operation |
| 03/11/1986 | CA1201810A1 Error correction method for the transfer of blocks of data bits, a device for performing such a method, a decoder for use with such a method, and a device comprising such a decoder |
| 03/11/1986 | CA1201803A1 Information signal recording and reproducing apparatus |
| 03/05/1986 | EP0173538A2 Helical scanning type magnetic recording/reproducing method |
| 03/05/1986 | EP0173530A2 Variable speed replay of digital audio with constant output sampling rate |
| 03/05/1986 | EP0173483A2 Error concealment in digital television signals |
| 03/05/1986 | EP0173411A2 Computer memory back-up for digital and analogue information |
| 03/05/1986 | EP0172871A1 A system for recording images and relating sound |
| 03/04/1986 | US4574361 Apparatus for dividing the elements of a Galois field |
| 03/04/1986 | US4574234 System for measuring selected parameters of electrical signals and method |
| 03/04/1986 | US4574206 Wave-shaping circuit |
| 02/26/1986 | EP0172439A2 Copy protected disk |
| 02/25/1986 | US4573039 Digital to analog converter |
| 02/25/1986 | US4573034 Method of encoding n-bit information words into m-bit code words, apparatus for carrying out said method, method of decoding m-bit code words into n-bit information words, and apparatus for carrying out said method |
| 02/25/1986 | US4572965 Circuit for detecting existence of an information signal |
| 02/25/1986 | CA1201201A1 System for recording scrambled digital signals and playback system therefor |
| 02/25/1986 | CA1201070A1 Adaptive signal weighting system |
| 02/19/1986 | EP0171759A2 Signal-processing apparatus compensating the distortion in a transmitted or recorded signal |
| 02/18/1986 | US4571716 Method and apparatus for scanning a recording medium for defects |
| 02/18/1986 | US4571645 Floppy disk handling apparatus |
| 02/18/1986 | US4571575 Synchronization-promoting data coding method |
| 02/18/1986 | US4571572 Digital/analogue converter |
| 02/13/1986 | WO1986001026A1 Apparatus for recording and/or reproducing optical cards |
| 02/12/1986 | EP0171288A2 Method of magnetic recording |
| 02/12/1986 | EP0171234A2 Circuitry for characterizing speech for tamper protected recording |
| 02/12/1986 | EP0171022A2 Signal delay device |
| 02/12/1986 | EP0170804A1 Phase difference demodulator |
| 02/11/1986 | US4570252 Optical data retrieval system using multi-spectral light sources |
| 02/11/1986 | US4570193 Video signal processing device including emphasis and/or de-emphasis circuit |
| 02/11/1986 | US4570153 Signal conversion apparatus for use in PCM signal processing system |
| 02/11/1986 | CA1200600A1 Digital audio disc system |
| 02/11/1986 | CA1200598A1 Digital signal reproducing apparatus |
| 02/11/1986 | CA1200596A1 System for recording continuous-play and stop-motion signal |
| 02/05/1986 | EP0170328A1 Device for correcting and concealing errors in a data stream, and video and/or audio reproduction apparatus comprising such a device |
| 02/05/1986 | EP0170207A2 A write clock pulse generator used for a time base corrector |
| 02/05/1986 | EP0170032A1 Magnetic recording-reproducing apparatus |
| 02/05/1986 | EP0169910A1 Rotary head type magnetic image recorder/reproducer |
| 02/05/1986 | EP0169908A1 Method and circuit for decoding error coded data |
| 02/04/1986 | US4569051 Methods of correcting errors in binary data |
| 02/04/1986 | US4568987 Amplifier input circuit having a figure eight conductive pattern |
| 02/04/1986 | US4568936 Verification system for document substance and content |
| 02/04/1986 | US4568892 FM Modulator using an oscillating feedback circuit |
| 02/04/1986 | CA1200312A1 Control arrangement for electronic appliance |
| 01/30/1986 | WO1986000772A1 Process for storing digitally coded and image synchronized audio signals |
| 01/30/1986 | WO1986000745A1 Recorded information verification system |
| 01/29/1986 | EP0169540A2 Method and apparatus for recording and reproducing a digital signal with a stationary head |
| 01/28/1986 | US4567568 Apparatus for dividing the elements of a Galois field |
| 01/28/1986 | US4567535 Recording and/or reproducing apparatus |