Patents
Patents for G11B 20 - Signal processing not specific to the method of recording or reproducing; Circuits therefor (81,980)
07/1986
07/01/1986US4598357 Cache/disk subsystem with file number for recovery of cached data
07/01/1986US4598326 Digital recording apparatus with disparity reducing encoder
07/01/1986US4598325 Apparatus for transmitting digital signals across a rotary gap
07/01/1986US4598324 Audio evaluation under control of video picture frame number
07/01/1986US4598288 Apparatus for controlling the reception of transmitted programs
07/01/1986US4598267 Method and apparatus for converting a digital signal
06/1986
06/25/1986EP0185412A1 Circuit arrangement for reducing the occurrence of spurious signals on an output of an electronic circuit when the circuit power supply is switched on and off
06/25/1986EP0185095A1 Digital signal transmission device
06/24/1986US4597021 Video recording and reproducing apparatus with noise reduction
06/24/1986US4597020 Digital video tape recorder apparatus
06/24/1986US4596981 Synchronizing signal detecting circuit in a digital signal transmitting system
06/24/1986CA1206614A1 Disc record with tapered groove
06/24/1986CA1206609A1 Circuit arrangement for generating the vertical synchronizing information in a magnetic video tape apparatus
06/17/1986US4595959 Wide bandwidth constant gain peak detector
06/17/1986US4595950 Method and apparatus for marking the information content of an information carrying signal
06/17/1986CA1206257A1 Method and apparatus for reproducing an information signal comprised of a video signal and audio signal
06/11/1986EP0184446A2 PCM signal recording and/or reproducing apparatus
06/11/1986EP0184195A2 Optical disc recording apparatus
06/11/1986EP0184190A1 Digital information recording and reproducing apparatus
06/10/1986US4594703 Clock-signal reproducing circuit including voltage controlled oscillator
06/10/1986US4594621 Rotary head type digital information signal recording and reproducing apparatus and tracking control method therein
06/10/1986CN85108604A 信号录制和/或再现设备 Signal recording and / or reproducing apparatus
06/10/1986CN85106804A Nonlinear signal processing apparatus
06/10/1986CN85103945A Rapid-audio device for tone frequencies
06/10/1986CA1205905A1 Digital clocking and detection system for a digital storage system
06/10/1986CA1205904A1 Information format for storing data on magnetic media
06/04/1986EP0182970A1 Method for the magnetic recording and reproduction of telecommunication signals, particularly of teletext and/or cable text signals
06/04/1986EP0182864A1 Magnetic stripe and wand reader interface
06/03/1986US4593395 Error correction method for the transfer of blocks of data bits, a device and performing such a method, a decoder for use with such a method, and a device comprising such a decoder
06/03/1986US4593394 Method capable of simultaneously decoding two reproduced sequences
06/03/1986US4593392 Error correction circuit for digital audio signal
06/03/1986US4593375 Read-write processor with internal diagnostic data path
06/03/1986US4593354 Disk cache system
06/03/1986US4593337 Video cassette play counting, storing and reading system
06/03/1986US4593267 Digital data code conversion circuit for variable-word-length data code
05/1986
05/28/1986EP0182701A2 Phase-locked loop for MFM data recording
05/28/1986EP0182465A2 Method and apparatus for reproducing digital audio signals
05/28/1986EP0182458A2 Method and apparatus for time axis control
05/27/1986US4592036 Disc player with search noise suppression
05/27/1986US4591939 Waveform equivalent circuit
05/27/1986US4591929 Interactive learning programming and like control circuitry
05/27/1986US4591927 Magnetic tape having multiple tracks and recording apparatus therefor
05/27/1986US4591926 Technique for editing interleaved digital audio data
05/27/1986US4591925 Encoded dropout compensator system
05/27/1986US4591924 Multiplex magnetic recording and reproduction system
05/27/1986US4591798 FM signal demodulation circuit
05/27/1986CA1205186A1 Apparatus for recording and/or reproducing video and audio signals
05/27/1986CA1205185A1 Apparatus for recording and reproducing digital signals
05/21/1986EP0181784A1 Digital signal processing system and method
05/21/1986EP0181517A1 Demodulator for an asynchronous binary signal
05/20/1986US4590559 Data disc system for a computed tomography X-ray scanner
05/20/1986US4590531 System for compensating signal interference in a PCM audio transmission
05/20/1986US4590524 Multitrack PCM reproducing apparatus
05/20/1986US4590522 Apparatus for recording and reproducing a digital information signal with different sampling frequencies
05/20/1986CA1204874A1 Multibyte error correcting system involving a two- level code structure
05/20/1986CA1204870A1 Demodulator with error detecting capability
05/14/1986EP0181020A1 Apparatus for reproducing information from a record carrier
05/14/1986EP0180971A2 Wave shaping circuit
05/14/1986EP0180764A2 Method and apparatus for processing an error flag of a PCM signal
05/13/1986US4588905 Digital waveform conditioning circuit
05/13/1986CA1204506A1 Apparatus for recording and reproducing a digital signal
05/13/1986CA1204505A1 Reduction of crosstalk effects in modulated audio signals carried in adjacent tracks of recorded media
05/13/1986CA1204504A1 Apparatus for connecting digital data
05/10/1986CN85106362A Tracking control apparatus
05/07/1986EP0180477A2 Signal recording and/or reproducing apparatus
05/07/1986EP0180470A2 Control system for deinterleaving memories in digital audio reproducing apparatus
05/07/1986EP0180403A2 Apparatus and method for encoding and decoding a binary data stream
05/07/1986EP0180100A2 Apparatus and method for recording and recovering a binary symbol sequence using an intermediate step of converting the binary sequence into a ternary sequence
05/07/1986EP0179923A1 System for correcting error in digital data
05/07/1986EP0179920A1 Apparatus for recording data signals
05/06/1986US4587643 Disc playback apparatus
05/06/1986US4587576 Video signal processing apparatus with pre-emphasis and de-emphasis for use in a recording and reproducing system
05/06/1986US4587573 Coded signal reproducing apparatus
05/06/1986US4587558 Address signal generating circuit for a memory circuit
05/06/1986CA1204211A1 Method for formatting optically encoded digital data on a substrate and the data record carrier formed thereby
05/06/1986CA1204210A1 Recording and/or reproducing apparatus
04/1986
04/30/1986EP0179653A1 Thin-film magnetic head
04/30/1986EP0179560A1 Error concealment in digital television signals
04/30/1986EP0179299A2 Alignment disk and method for producing it
04/29/1986US4586183 Correcting errors in binary data
04/29/1986US4586161 Permanent thermo-magnetic recording of binary digital information
04/29/1986US4586093 Method and apparatus for synchronizing playback of tapes recorded in different formats
04/29/1986US4586091 System and method for high density data recording
04/29/1986US4586027 Method and system for data compression and restoration
04/29/1986US4585952 Digital waveform shaping circuit
04/29/1986CA1203909A1 Run length limited data encoder
04/29/1986CA1203856A1 Frequency modulating circuit
04/23/1986EP0178906A2 Magnetic recording and reproducing apparatus
04/23/1986EP0178905A2 Magnetic recording and reproducing apparatus
04/23/1986EP0178657A2 Apparatus for recording and/or reproducing data signal on or from disk sharped recording medium
04/23/1986EP0178589A2 Method and apparatus for recording pcm signal
04/22/1986US4584619 Programmable servo pattern generator
04/22/1986US4584617 Method and apparatus for improving the transfer time in rotating data storage systems
04/22/1986US4584616 Format for storing data on magnetic media
04/22/1986CA1203632A1 Method and apparatus for transferring digital data
04/22/1986CA1203619A1 Process and device for regenerating the phase of synchronizing signals in a data carrier optical write - read apparatus
04/16/1986EP0178075A1 Methods of recording and reproducing audio signals
04/16/1986EP0178027A2 Method of transmitting information, encoding devide for use in the method, and decoding device for use in the method
04/16/1986EP0177950A2 A digital information signal encoding method
04/15/1986US4583211 Frequency detecting circuit for digital information reproducing system