| Patents for G11B 20 - Signal processing not specific to the method of recording or reproducing; Circuits therefor (81,980) |
|---|
| 09/06/1983 | US4403262 Audio signal muting circuit for magnetic recording and reproducing apparatus |
| 09/06/1983 | US4403261 Method and apparatus for editing digital signal |
| 09/06/1983 | US4403244 Apparatus for correcting a variation in the time base of a reproduced video signal |
| 09/06/1983 | CA1153315A1 Signal compression and expansion system |
| 08/31/1983 | EP0087249A2 Apparatus for reproducing video and audio signals |
| 08/31/1983 | EP0087174A1 Control system for an optical data recording apparatus |
| 08/31/1983 | EP0087154A2 Method and apparatus for the universal recording and playback of encoded digital video data |
| 08/31/1983 | EP0086877A1 Method of preparing a calibrated drop-out disk |
| 08/30/1983 | US4402061 Preformatted optical media for use in an optical memory system |
| 08/30/1983 | US4402021 Method and apparatus for recording digitized information on a record medium |
| 08/30/1983 | CA1153108A1 Digital read recovery with variable frequency compensation using read only memories |
| 08/24/1983 | EP0086659A2 Apparatus for recording and reproducing a digital signal |
| 08/24/1983 | EP0086658A2 Time base correcting apparatus |
| 08/24/1983 | EP0086566A2 Apparatus for error correction |
| 08/24/1983 | EP0086496A1 Magnetic recording/reproducing apparatus |
| 08/23/1983 | US4400810 Processing binary data |
| 08/23/1983 | US4400742 Magnetic recording and reproducing apparatus for color video signals |
| 08/23/1983 | US4400732 PCM Signal extracting circuit |
| 08/23/1983 | US4400666 Fixed rate delay circuit |
| 08/23/1983 | CA1152651A1 Method and apparatus for encoding a digital signal to have minimal dc component |
| 08/23/1983 | CA1152649A1 Data encoding method and system employing two-thirds code rate with full word look-ahead |
| 08/23/1983 | CA1152637A1 Apparatus for recording and/or reproducing digital signal |
| 08/23/1983 | CA1152599A1 Processing binary data |
| 08/23/1983 | CA1152597A1 Method and apparatus for preventing errors in pcm signal processing apparatus |
| 08/16/1983 | US4399474 Automatic threshold tracking system |
| 08/10/1983 | EP0085615A2 Phase-locked loop circuit |
| 08/10/1983 | EP0085578A2 Apparatus for recording an information signal comprising a video signal and an audio signal |
| 08/10/1983 | EP0085517A2 Apparatus for recording digital signals |
| 08/10/1983 | EP0085297A2 High quality delta modulator |
| 08/09/1983 | US4398292 Method and apparatus for encoding digital with two error correcting codes |
| 08/09/1983 | US4398225 Combined serializer encoder and decoder for data storage system |
| 08/09/1983 | US4398224 Time base correcting apparatus |
| 08/09/1983 | US4398219 Switching apparatus for the recording and reproducing of PCM or video signals |
| 08/09/1983 | CA1151742A1 Method and apparatus for communicating digital information words by error-correction encoding |
| 08/03/1983 | EP0084969A1 Method of and apparatus for reproducing an information signal |
| 08/03/1983 | EP0084952A2 Digital signal recording apparatus |
| 08/03/1983 | EP0084950A2 Data storage system using video tape |
| 08/03/1983 | EP0084945A2 Direct digital to digital sampling rate conversion method and apparatus |
| 08/03/1983 | EP0084913A1 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 |
| 08/03/1983 | EP0084778A2 Multiple variable rate audio message recording and playback |
| 08/03/1983 | EP0084777A1 Recovering and playing back selected audio messages from a block of messages on a recording medium |
| 08/02/1983 | US4396991 Long term response enhancement for digital phase-locked loop |
| 08/02/1983 | US4396955 Muting device |
| 07/27/1983 | EP0084449A1 Apparatus for recording and/or reproducing video and audio signals |
| 07/27/1983 | EP0084358A2 Method and circuit arrangement for identifying the read-signals from a magnetic storage medium |
| 07/26/1983 | US4395768 Error correction device for data transfer system |
| 07/26/1983 | US4395738 Helical scan tape recording and/or replay apparatus |
| 07/26/1983 | CA1150638A1 Gain control circuit for noise reduction system |
| 07/20/1983 | EP0083755A1 Method for the determination of noise pulses in signals recorded on sound carriers |
| 07/20/1983 | EP0083686A1 Audio/video quality monitoring system |
| 07/19/1983 | US4394762 Pulse-code modulation signal processing circuit |
| 07/19/1983 | US4394695 Method and apparatus for evaluating recording systems |
| 07/19/1983 | US4394686 Method and system for correcting time base errors in broadband signals stored in or transmitted through a plurality of narrow-band channels |
| 07/19/1983 | US4394641 Method and device for coding binary data and a device decoding coded data |
| 07/19/1983 | US4394621 Electronic velocity measurement especially for self-clocking write head |
| 07/19/1983 | CA1150399A1 Method and apparatus for magnetic recording and reproduction of digital signal |
| 07/19/1983 | CA1150398A1 Digital frequency modulation and modified frequency modulation read recovery with data separation |
| 07/13/1983 | EP0083475A1 Optical data recording and reproducing apparatus |
| 07/13/1983 | EP0083412A2 Method and apparatus for encoding data |
| 07/13/1983 | EP0083407A1 Method and apparatus for generating a noiseless sliding block code for a (2,7) channel with rate 1/2 |
| 07/12/1983 | USRE31311 DC Free encoding for data transmission system |
| 07/12/1983 | US4393502 Method and apparatus for communicating digital information words by error-correction encoding |
| 07/12/1983 | US4393489 Audio processor for single, channel, matrixed two-channel and un-matrixed two-channel signals |
| 07/12/1983 | US4393458 Data recovery method and apparatus using variable window |
| 07/12/1983 | US4393445 Information-signal recording apparatus employing record volume oriented identification signals |
| 07/12/1983 | US4393419 Synchronizing signal detection protective circuit |
| 07/12/1983 | US4393414 Horizontal-rate phase-change of TV pixel distribution among multiple recorder tracks for dropout concealment |
| 07/12/1983 | US4393413 Velocity error compensator for time base error corrections of periodic information signals |
| 07/12/1983 | US4393301 Serial-to-parallel converter |
| 07/12/1983 | CA1149935A1 Test control circuit for multichannel apparatus such as tape recorders and the like |
| 07/06/1983 | EP0083207A1 Automatic adjustment of recording conditions for tape recorders having auto reverse function |
| 07/05/1983 | US4392164 Method of and apparatus for controlling the gain of circuitry responsive to read head of a memory |
| 07/05/1983 | US4392162 Digital video signal reproducing apparatus |
| 07/05/1983 | US4392161 Recorded tape, speed-change reproducing system |
| 07/05/1983 | US4392159 Method and apparatus for digital video signal processing |
| 07/05/1983 | CA1149510A1 Process for coding binary signals for numbering images or pictures stored on a recording medium and audio visual signal transmission apparatus incorporating such a device |
| 06/28/1983 | US4390980 Demultiplexing plural data streams |
| 06/28/1983 | US4390977 Apparatus for maintaining rotational speed in disk reproducing device |
| 06/28/1983 | US4390912 Transducer positioning system and data disk therefor |
| 06/28/1983 | US4390910 Phase-lock oscillator |
| 06/28/1983 | US4390907 Magnetic recording system |
| 06/28/1983 | US4390906 Magnetic recording and/or reproducing system for television and audio signal |
| 06/28/1983 | US4390905 Magnetic card recording apparatus |
| 06/28/1983 | US4390801 Circuit for reproducing a clock signal |
| 06/22/1983 | EP0081757A1 Circuit for extracting or regenerating frame synchronizing signals |
| 06/21/1983 | US4389682 Magnetic recording systems |
| 06/21/1983 | US4389681 Method and apparatus for recording digitized information on a record medium |
| 06/21/1983 | CA1148653A1 Automatic phase-controlled oscillator circuit |
| 06/15/1983 | EP0081387A1 Apparatus for selectively compensating burst errors of variable length in successive data words |
| 06/15/1983 | EP0081064A1 Optical disc defect measurement by refraction |
| 06/14/1983 | US4388656 Multitrack recording with minimal intermodulation |
| 06/14/1983 | US4388654 Video disc player with selectively enabled audio signal expander circuitry |
| 06/14/1983 | CA1148261A1 Digital coding process for recording sound channels with a television signal and apparatus realizing this process |
| 06/08/1983 | EP0080897A1 Method of, and apparatus for recording and/or reproducing an information signal |
| 06/07/1983 | US4387364 Method and apparatus for reducing DC components in a digital information signal |
| 06/07/1983 | CA1147858A1 System for recording digital information in a pulse-length modulation format |
| 06/01/1983 | EP0080297A1 Magnetic tape recording and reproducing arrangements |
| 05/31/1983 | US4386378 High gain, current mode preamplifier |
| 05/26/1983 | WO1983001859A1 Track identification code recording method |
| 05/26/1983 | WO1983001858A1 Recording of transducer positioning information |