Patents
Sitemap › G11 - Information storage › G11B - Information storage based on relative movement between record carrier and transducer › G11B 20 - Signal processing not specific to the method of recording or reproducing; Circuits therefor
Patents for G11B 20 - Signal processing not specific to the method of recording or reproducing; Circuits therefor (81,980)
01/1983
01/11/1983CA1139434A1 Gcr data write control apparatus
01/11/1983CA1139433A1 Video signal recording and/or reproducing apparatus
01/11/1983CA1139432A1 Magnetic recording and reproducing device
01/05/1983EP0068535A2 Arrangement for generating a sequence of digital output signals corresponding to a frequency modulated signal
01/05/1983EP0068188A1 Videorecorder with improved sound signal recording
01/04/1983US4367497 Digital data formatting system for high density magnetic recording
01/04/1983US4367495 Method and apparatus for magnetic recording and reproduction of digital signal
01/04/1983CA1138995A1 Magnetic storage systems for coded numerical data with reversible transcoding into high density bipolar code of order n
12/1982
12/28/1982US4366564 Apparatus for writing digital information in a disc-shaped optically readable record carrier
12/28/1982US4366513 Tape recorder with noise blanking circuit
12/28/1982US4366512 Method and apparatus for dividing a track on a magnetizable information storage disc into sectors
12/28/1982US4366511 Method and apparatus for formatting a memory disk
12/28/1982US4366488 Read/write arrangement for a magnetic terminal
12/28/1982US4366471 Variable speed digital reproduction system using a digital low-pass filter
12/28/1982CA1138537A1 Synchronizing signal detecting apparatus
12/21/1982US4365115 Time-axis compression-expansion devices for sound signals
12/21/1982CA1138106A1 Optical disk and optical information processor
12/21/1982CA1138095A1 Method and apparatus for reducing interference components in a frequency modulated signal
12/21/1982CA1138057A1 Signal level detector
12/15/1982EP0066848A2 Television signal recording apparatus
12/15/1982EP0066590A1 Reading information stored in multiple frame format.
12/14/1982US4364118 Optical disk and optical information processor
12/14/1982US4364096 Apparatus for reproducing PCM magnetic recording tape
12/14/1982US4364081 Method and apparatus for processing a digital color video signal
12/14/1982US4364025 Format switch
12/14/1982CA1137638A1 Digital signal processor for use in recording and/or reproducing equipment
12/14/1982CA1137626A1 Device for recording and playing back information on an endless magnetic tape
12/14/1982CA1137625A1 Reproducing apparatus for a colour television signal recorded on a record carrier
12/14/1982CA1137571A1 Method of demodulating a quadphase coded data signal and receiver for carrying out the method
12/14/1982CA1137566A1 Phase lock loop preconditioning circuit
12/08/1982EP0066512A1 Binary data coding method and its application to a magnetic tape transfer system for a digital video signal
12/08/1982EP0066412A1 Method of processing analog signals
12/08/1982EP0066085A1 Disk file and method of transducing
12/07/1982US4363117 Video disc with dynamic stylus cleaning
12/07/1982US4363116 Method, apparatus and record carrier body for optically writing information
12/07/1982US4363053 Signal reproducing circuit
12/07/1982US4363050 Digitized audio record and playback system
12/07/1982US4363040 Signal transducer
12/07/1982US4363039 Automatic operation control apparatus for a PCM recording and reproducing system
12/07/1982US4363007 Noise reduction system having series connected low and high frequency emphasis and de-emphasis filters
12/07/1982US4363006 Noise reduction system having series connected variable frequency filters
12/01/1982EP0065630A1 Clocking arrangement for a data transmission system
11/1982
11/30/1982US4361898 Digital synchronizing system
11/30/1982US4361855 Fault location method in mass-storage system
11/30/1982US4361813 FM Audio demodulator with dropout noise elimination circuit
11/24/1982EP0065444A1 System for the reconstruction by filtering of an analogue signal from a pseudoanalogue signal obtained by double analogue/digital, digital/analogue conversion of said analogue signals with a possible processing of the digital signal
11/24/1982EP0065365A2 Digital television apparatus
11/24/1982EP0065148A2 Dictation recording and transcribing machine with variable playback sequence
11/23/1982US4360842 Data processor for recording and reading out check data and true data in a cassette tape
11/23/1982US4360841 Data correction circuit
11/23/1982US4360824 Systems for recording both information and pilot signals directly on recording medium
11/23/1982US4360781 Circuit for producing timing pulses in the regeneration of square signals
11/23/1982CA1136279A1 Method and means for encoding and decoding digital data
11/17/1982EP0064791A1 Method of transmitting an audio signal via a transmission channel
11/17/1982EP0064750A2 Gapless splicing of pitch altered waveforms
11/17/1982EP0064585A1 Parallel to serial converter for digital data
11/16/1982US4359691 Demodulator for frequency modulated signal accompanied by reference signal
11/16/1982CA1135842A1 Block sync signal extracting system
11/16/1982CA1135841A1 Digital tape recording
11/16/1982CA1135840A1 Apparatus for generating time code signals
11/16/1982CA1135835A1 Defect compensation for color television
11/10/1982EP0064395A1 Apparatus for reproducing an audio disc
11/10/1982EP0064196A1 Optical data recording and reproducing apparatus
11/09/1982US4358852 Method of modulation and demodulation of data and apparatus for carrying out the same
11/09/1982US4358786 Method and a circuit arrangement for the storage of video signals
11/09/1982CA1135399A1 Phase locking system for television signals
11/03/1982EP0063912A1 Encoding and decoding data in a data storage system
11/02/1982US4357707 Digital phase lock loop for flexible disk data recovery system
11/02/1982US4357702 Error correcting apparatus
11/02/1982US4357637 Preamplifier circuit
11/02/1982US4357635 Disc memory apparatus
11/02/1982US4357634 Encoding and decoding digital information utilizing time intervals between pulses
11/02/1982CA1134943A1 High density bias linearized magnetic recording system utilizing nyquist band-width partial response transmission
11/02/1982CA1134942A1 Format for digital tape recorder
11/02/1982CA1134941A1 Recording digital signals
10/1982
10/28/1982WO1982003719A1 Error correction coding method
10/27/1982EP0063443A2 A digital waveform conditioning circuit
10/27/1982EP0063242A2 Data handling systems with serial to parallel conversion interfaces
10/26/1982US4356566 Synchronizing signal detecting apparatus
10/26/1982US4356564 Digital signal transmission system with encoding and decoding sections for correcting errors by parity signals transmitted with digital information signals
10/26/1982US4356518 High frequency digital PCM decoding apparatus
10/26/1982US4356517 PCM Audio reproducing system
10/26/1982CA1134505A1 Quasi-vertical synchronizing signal generator
10/26/1982CA1134503A1 Method and apparatus for recording data without recording on defective areas of a data recording medium
10/26/1982CA1134462A1 Device for synchronizing a clock pulse generator with a serial data signal
10/20/1982EP0062783A1 Video recorder with processing of one or several modulated sound carriers
10/19/1982US4355408 System for extracting timing information from a digital waveform
10/19/1982US4355392 Burst-error correcting system
10/19/1982US4355383 Apparatus for scanning variable area optical sound tracks by parallel processing discrete photosensor outputs
10/19/1982US4355338 Duplicator
10/19/1982CA1134029A1 Video tape control time code reading
10/19/1982CA1134028A1 Video tape control time code reading
10/19/1982CA1134023A1 Process for the transmission of an audio-frequency analog signal during line-frame synchronization intervals of a television signal and apparatus for performing this process
10/13/1982EP0062541A1 Phase-locked oscillators
10/12/1982US4354210 Magnetic storage medium
10/12/1982US4354209 Recording/playing circuit
10/12/1982US4354208 Magnetic recording medium and digital storage device including same
10/12/1982US4354207 System for identifying and locating recorded analog information
10/12/1982CA1133639A1 Method and apparatus for editing digital signals recorded on a record medium
10/05/1982US4353099 Tape-recorded signal recovery method and apparatus
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