| Patents for G11B 20 - Signal processing not specific to the method of recording or reproducing; Circuits therefor (81,980) |
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| 01/28/1986 | US4567464 Fixed rate constrained channel code generating and recovery method and means having spectral nulls for pilot signal insertion |
| 01/28/1986 | US4567448 Variable frequency oscillator |
| 01/28/1986 | EP0090040A4 Disk format for secondary storage system. |
| 01/28/1986 | CA1200013A1 Digital to analog converter |
| 01/28/1986 | CA1200007A1 Subscription television system |
| 01/22/1986 | EP0169137A1 Method for storing on a disc several series of data for different users, and disc manufactured by this method |
| 01/22/1986 | EP0169013A2 Video signal recording and reproducing apparatus |
| 01/22/1986 | EP0168793A1 Method and apparatus for decoding |
| 01/22/1986 | EP0077740B1 Magnetic disc device |
| 01/21/1986 | US4566092 Process and device for generating synchronizing signals in an optical data carrier write-read apparatus |
| 01/21/1986 | US4566091 Process and device for regenerating the phase of synchronizing signals in a data carrier optical write-read apparatus |
| 01/21/1986 | US4566044 Direction-constrained ternary codes using peak and polarity detection |
| 01/15/1986 | EP0168291A1 Analogous device for storing a picture using charge transfer |
| 01/15/1986 | EP0168155A1 Method for testing components of a magnetic storage system |
| 01/15/1986 | EP0168076A1 Interface circuit of the slave type |
| 01/15/1986 | EP0167826A2 Diskette drive and media type determination mechanism |
| 01/15/1986 | EP0167806A1 Handling of media defects of mass storage discs |
| 01/14/1986 | US4564945 Error-correction code for digital data on video disc |
| 01/14/1986 | US4564941 Error detection system |
| 01/14/1986 | US4564914 Method for machining three dimensional contours utilizing a numerically controlled lathe |
| 01/14/1986 | US4564870 Signal detector of magnetic disk apparatus |
| 01/14/1986 | US4564869 Zoned equalization for a magnetic disc |
| 01/14/1986 | CA1199411A1 Syndrome processing unit for multibyte error correcting system |
| 01/08/1986 | EP0167284A1 Method for testing components of a magnetic storage system |
| 01/08/1986 | EP0167093A2 Multiple system disk |
| 01/08/1986 | EP0166785A1 Disk reproducing apparatus |
| 01/08/1986 | EP0166749A1 Phase regulation circuit. |
| 01/02/1986 | EP0166373A1 Disk subsystem read write control |
| 01/02/1986 | EP0166310A2 Data processing system |
| 01/02/1986 | EP0166023A2 Method and system for data compression and restoration |
| 12/31/1985 | US4562582 Burst signal receiving apparatus |
| 12/31/1985 | US4562578 Method for data transmission |
| 12/31/1985 | US4562577 Shared encoder/decoder circuits for use with error correction codes of an optical disk system |
| 12/31/1985 | US4562549 Digital player using a pulse width detector |
| 12/31/1985 | US4562495 Multiple system disk |
| 12/31/1985 | US4562492 Noise reduction circuit |
| 12/31/1985 | US4562491 Multichannel digital magnetic recording apparatus |
| 12/31/1985 | US4562490 Jackpot-resistant magnetic card encoding |
| 12/31/1985 | US4562489 Apparatus for recording of digital data |
| 12/31/1985 | US4562488 Device for reproduced sound pitch modification in a tape player |
| 12/27/1985 | EP0165320A1 Disk-shaped recording medium and apparatus for reproducing the same |
| 12/24/1985 | US4561083 Memory circuit write-in system |
| 12/24/1985 | US4561027 Rotating D.C. coupled record amplifier for digital magnetic recording |
| 12/24/1985 | US4561026 Reproducing apparatus for reproducing recorded signals from a rotary recording medium |
| 12/24/1985 | CA1198517A1 Disc players |
| 12/24/1985 | CA1198516A1 Data reproducing apparatus for reproducing digital data recorded on multi-tracks |
| 12/24/1985 | CA1198515A1 Method and apparatus for recording digital information in alternate recording tracks |
| 12/19/1985 | WO1985005747A1 Digital signal transmission device |
| 12/19/1985 | WO1985005723A1 Process for reducing the noticeability of errors in a digital audio signal |
| 12/19/1985 | WO1985005719A1 Self-timed runout correction pattern |
| 12/18/1985 | EP0164891A1 Methods of and apparatus for use in decoding digital data |
| 12/18/1985 | EP0164746A2 Optical information recording and reproducing apparatus and optical disc |
| 12/18/1985 | EP0164723A2 Apparatus for regenerating original signals |
| 12/17/1985 | US4559568 Apparatus for re-recording a digital signal on a record medium and for reproducing the same therefrom |
| 12/17/1985 | US4559567 Apparatus for recording and/or reproducing video and audio signals |
| 12/17/1985 | US4559566 FM demodulating circuit having an insensitive frequency point |
| 12/11/1985 | EP0164253A1 Sound reproducing apparatus |
| 12/11/1985 | EP0164131A2 Information recording medium disc and method and apparatus for recording/reproducing information |
| 12/11/1985 | EP0164027A2 Method and apparatus for coding digital data to permit correction of one or two incorrect data packets (bytes) |
| 12/11/1985 | EP0163736A1 Apparatus for processing pcm signal |
| 12/10/1985 | US4558446 Memory system |
| 12/10/1985 | US4558441 Data recording and reproducing apparatus and method |
| 12/10/1985 | US4558380 Digital tape transport for selectively recording in either a parallel or serial mode |
| 12/10/1985 | US4558378 Method and apparatus for a magnetic recording/reproducing |
| 12/10/1985 | US4558377 Digital television apparatus |
| 12/10/1985 | US4558362 Digital video signal transmitting apparatus |
| 12/10/1985 | US4558302 High speed data compression and decompression apparatus and method |
| 12/10/1985 | US4558213 Pickup level control device for a system for reading out recorded information |
| 12/04/1985 | EP0163504A2 Video apparatus for correcting time-base errors and for compensating drop-outs |
| 12/04/1985 | EP0163481A2 Disc drive control apparatus for recording and/or reproducing digital data |
| 12/04/1985 | EP0163428A1 Rotary head type magnetic recording and/or reproducing apparatus |
| 12/03/1985 | US4556983 Method and apparatus for pre-emphasis counteraction of variations in amplitude of received or reproduced serial binary signals |
| 12/03/1985 | US4556917 Magnetic recording/reproducing apparatus for video and sound |
| 12/03/1985 | US4556869 Multi-function data signal processing method and apparatus |
| 12/03/1985 | CA1197589A1 Coded data on a record carrier and method for encoding same |
| 11/27/1985 | EP0162689A2 Magnetic disc reproducing apparatus |
| 11/27/1985 | EP0162635A2 Signal simulator for magnetic recording head |
| 11/27/1985 | EP0162558A2 Method and apparatus for generating a run length limited code |
| 11/27/1985 | EP0162454A2 Single revolution disk sector formatter |
| 11/27/1985 | EP0162407A1 Method and device for determining error signals in a disc drive and test magnetic disc therefor |
| 11/27/1985 | EP0162071A1 Antipiracy device and method for cinematographic and video carriers |
| 11/26/1985 | US4555737 Method of providing smooth transition from one to another of two sequences of digitally coded sound signals (fading) |
| 11/26/1985 | US4555734 Video time base and drop out corrector |
| 11/26/1985 | US4555679 Detection circuit for detecting synchronous and asynchronous states in a phase-locked loop circuit |
| 11/21/1985 | WO1985005211A1 System for correcting error in digital data |
| 11/21/1985 | WO1985005210A1 Process and circuit for storing frequency-modulated signals |
| 11/21/1985 | WO1985005200A1 Magnetic stripe and wand reader interface |
| 11/21/1985 | EP0161496A1 Digital magnetic recording circuit |
| 11/21/1985 | EP0119201A4 An improved automatic head position tracking servo for a rotary head magnetic tape recording and reproducing apparatus. |
| 11/19/1985 | US4554654 Optical memory device with means for detecting erroneous data writing |
| 11/19/1985 | US4554652 Optical information processor |
| 11/19/1985 | US4554598 Single revolution disk sector formatter |
| 11/19/1985 | US4554597 Write-in and read-out control apparatus |
| 11/19/1985 | US4554529 Method for converting binary data train |
| 11/12/1985 | US4553178 Magnetic recording system with peak shift compensation |
| 11/12/1985 | US4553177 Method and apparatus for recording data |
| 11/12/1985 | US4553131 Method and apparatus for encoding a binary data stream into a binary code stream |
| 11/12/1985 | US4553130 Variable-length encoding-decoding system |
| 11/07/1985 | WO1985004979A1 Apparatus for recording data signals |
| 11/06/1985 | EP0160549A2 Circuit for producing a video combine from multiple video images |