| Patents for G11B 20 - Signal processing not specific to the method of recording or reproducing; Circuits therefor (81,980) |
|---|
| 05/11/1982 | US4329708 Digital signal processing apparatus |
| 05/04/1982 | US4328580 Apparatus and an improved method for processing of digital information |
| 05/04/1982 | US4328519 Reading secure magnetic documents |
| 04/27/1982 | US4327383 Read circuit for a floppy disk drive |
| 04/27/1982 | US4327382 Method and apparatus for editing digital signals recorded on a record medium |
| 04/27/1982 | CA1122711A1 Method and apparatus for encoding and recovering binary digital data |
| 04/20/1982 | US4326282 Apparatus for reproducing digitally coded information recorded on an optically readable disc-shaped record carrier |
| 04/20/1982 | US4326223 Video signal recording and/or reproducing apparatus with gain control |
| 04/15/1982 | WO1982001273A1 Method for processing an information signal and means for carrying out the method |
| 04/15/1982 | WO1982001271A1 Multitrack recording with minimal intermodulation |
| 04/13/1982 | US4325090 Device for synchronizing a clock pulse generator with a serial data signal |
| 04/07/1982 | EP0049136A2 Rotational speed controlling apparatus for recording disc |
| 04/07/1982 | EP0048937A1 Circuit arrangement for reading data on a magnetic recording medium |
| 04/07/1982 | EP0048933A1 Circuit for correcting error in digital information signal |
| 04/07/1982 | EP0048779A1 Prerecorded tapes, data storage and retrieval system for use therewith, and methods of storing and retrieving binary data words |
| 04/06/1982 | US4323934 Dropout compensation circuitry |
| 04/06/1982 | US4323932 Readback pulse compensator |
| 04/06/1982 | US4323931 Method and apparatus for encoding and recovering binary digital data |
| 04/06/1982 | US4323844 Test system for detecting a permanent defect and a temporary defect in magnetic recording tape |
| 04/06/1982 | CA1121471A1 Clocking system for servo signal having two or more harmonically related frequencies |
| 03/31/1982 | EP0048586A2 Random access memory arrangements |
| 03/30/1982 | CA1121059A1 Apparatus and method for providing error recognition and correction of recorded digital information |
| 03/24/1982 | EP0048152A1 A PCM signal processor |
| 03/24/1982 | EP0048151A1 A PCM signal processor |
| 03/24/1982 | EP0048150A1 A PCM signal processor |
| 03/24/1982 | EP0047955A2 Wave-shaping circuit |
| 03/23/1982 | US4321704 Parity checking circuitry for use in multi-bit cell PCM recording and reproducing apparatus |
| 03/23/1982 | US4321634 Endless magnetic tape video recorder/player with head centering means |
| 03/23/1982 | US4321622 Video track transfer system and method |
| 03/23/1982 | US4321618 Reproducing system for video tape recorders |
| 03/23/1982 | US4321460 Digital control apparatus |
| 03/23/1982 | CA1120584A1 Double density read recovery |
| 03/18/1982 | WO1982000912A1 System for coding and decoding binary data |
| 03/17/1982 | EP0047386A1 Process for eliminating acoustic interference signals |
| 03/16/1982 | US4320525 Self synchronizing clock derivation circuit for double frequency encoded digital data |
| 03/16/1982 | US4320510 Error data correcting system |
| 03/16/1982 | US4320488 Recording and playback system |
| 03/16/1982 | US4320465 Digital frequency modulation and modified frequency modulation read recovery with data separation |
| 03/09/1982 | US4319200 Multi-passband differentially controlled data rate synchronizer |
| 03/09/1982 | CA1119729A1 Error correcting system |
| 03/09/1982 | CA1119714A1 Method of and apparatus for recording and/or reproducing a video signal |
| 03/02/1982 | CA1119312A1 Recording of digital signals |
| 03/02/1982 | CA1119304A1 Apparatus and method for record reorientation following error detection in a data storage subsystem |
| 03/02/1982 | CA1119303A1 Transmission and/or recording of digital signals |
| 02/24/1982 | EP0046323A1 Method of writing and reading sector-organized information into and out of a record carrier body and device for performing the method |
| 02/24/1982 | EP0046231A1 Process for eliminating the phase error during the reproduction of self-clocking signals, e.g. for a digital audio disc |
| 02/23/1982 | US4317211 Manchester code decoding apparatus |
| 02/23/1982 | US4317189 Voice frequency signal actuated tape recorder |
| 02/23/1982 | US4317141 Data processor for recording and reading out check data and true data in a cassette tape |
| 02/23/1982 | US4317131 System and method for reproducing pictures and related audio information |
| 02/23/1982 | CA1118884A1 Method of and apparatus for recording and/or reproducing a video signal |
| 02/18/1982 | WO1982000540A1 Method of controlling step-transfer of an information medium |
| 02/16/1982 | US4316223 Recording of digital signals |
| 02/09/1982 | US4315331 Apparatus for providing drop-out compensation in recording and reproducing systems |
| 02/09/1982 | US4315277 Non-linear aperture correction circuit having a signal bypass arrangement |
| 02/09/1982 | US4315276 Video signal defect compensation system |
| 02/03/1982 | EP0044963A1 Circuit for correcting the distortion of read signals from a PCM transmission apparatus, particularly from a digital audio disc |
| 02/02/1982 | US4314372 Methods and means for producing and reproducing transmitted or recorded sound or video signals |
| 02/02/1982 | US4314369 Digital coding process for recording sound channels with a television signal and apparatus realizing this process |
| 02/02/1982 | US4314355 Apparatus and method for receiving digital data at a first rate and outputting the data at a different rate |
| 02/02/1982 | US4314289 Biased pulsed recording systems and methods |
| 02/02/1982 | US4314287 High storage density disc file |
| 02/02/1982 | CA1117648A1 Time-base error correction |
| 02/02/1982 | CA1117647A1 Video signal processing circuitry for compensating different average levels |
| 02/02/1982 | CA1117646A1 Color television system |
| 02/02/1982 | CA1117431A1 Syllabic compander with logarithmic chain |
| 01/27/1982 | EP0044713A1 Circuit arrangements for processing digital data |
| 01/26/1982 | US4313206 Clock derivation circuit for double frequency encoded serial digital data |
| 01/26/1982 | US4313136 Synchronizing signal separation system |
| 01/26/1982 | US4313129 Video signal time base error correction circuit |
| 01/26/1982 | CA1117211A1 Method of inserting an address signal in a video signal |
| 01/20/1982 | EP0044087A2 Scanning type magnetic cassette |
| 01/20/1982 | EP0044073A1 System for recording digital information in a pulse-length modulation format |
| 01/19/1982 | US4312019 Phase corrected video recording system |
| 01/19/1982 | CA1116749A1 Time base error correction system |
| 01/12/1982 | US4310860 Method and apparatus for recording data on and reading data from magnetic storages |
| 01/12/1982 | CA1116287A1 Defect detecting apparatus |
| 01/06/1982 | EP0042861A1 Automated conversation system |
| 01/05/1982 | US4309726 Muting circuit in a PCM recording and reproducing apparatus |
| 01/05/1982 | US4309721 Error coding for video disc system |
| 01/05/1982 | CA1115839A1 Random access storage device with a movable recording medium |
| 01/05/1982 | CA1115837A1 Error checking method and apparatus for digital data in optical recording systems |
| 01/05/1982 | CA1115826A1 Recording and reproducing apparatus for color video signals |
| 01/05/1982 | CA1115641A1 System for reducing noise transients |
| 12/30/1981 | EP0042776A1 Real-time fault correcting apparatus for data recorded on a magnetic carrier |
| 12/30/1981 | EP0042522A1 System for processing and/or transmitting PCM data signals |
| 12/29/1981 | US4308612 Optical information recording apparatus including error checking circuit |
| 12/29/1981 | US4308557 Video disc system |
| 12/29/1981 | US4308550 Reproducing apparatus with cross-talk suppression for a color television signal |
| 12/29/1981 | US4307946 Flutter compensator with variable oscillator |
| 12/29/1981 | CA1115410A1 Electronic time base error correction methods and arrangements |
| 12/23/1981 | EP0042121A1 System for processing and transmitting PCM signals |
| 12/22/1981 | US4307418 Video disc player system for correlating stylus position with information previously detected from disc |
| 12/22/1981 | US4307381 Method and means for encoding and decoding digital data |
| 12/15/1981 | US4306305 PCM Signal transmitting system with error detecting and correcting capability |
| 12/15/1981 | US4306201 Signal processing circuit |
| 12/15/1981 | US4306194 Data signal detection circuit |
| 12/10/1981 | WO1981003591A1 High speed magnetic tape inspection equipment |
| 12/09/1981 | EP0041310A1 An electronic circuit for signal compression and expansion |
| 12/09/1981 | EP0041138A1 Magnetic disk memory |