| Patents for H03M 13 - Coding, decoding or code conversion, for error detection or error correction; Coding theory basic assumptions; Coding bounds; Error probability evaluation methods; Channel models; Simulation or testing of codes (37,393) |
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| 10/19/1982 | CA1134047A1 Device for measuring the quality of a digital radio link |
| 10/19/1982 | CA1134023A1 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 |
| 10/12/1982 | US4354269 Apparatus for the processing of an information stream with the aid of an error-correcting convolutional code and apparatus for the detection of an error still irremediable in this processing |
| 10/06/1982 | EP0061616A2 Error checking of mutually-exclusive control signals |
| 09/29/1982 | EP0061345A2 Processing circuits for operating on digital data words which are elements of a Galois field |
| 09/29/1982 | EP0061288A2 Digital television signal processing |
| 09/21/1982 | CA1132256A1 Video player-recorder with non-linear mark length modulation |
| 09/15/1982 | EP0060095A2 Shuffling digital data |
| 09/07/1982 | CA1131363A1 Pcm signal transmitting system |
| 08/24/1982 | US4346474 Even-odd parity checking for synchronous data transmission |
| 08/24/1982 | US4346472 Method and apparatus for eliminating double bit errosion in a differential phase shift keying system |
| 08/03/1982 | CA1129030A1 Error correction on burst channels by sequential coding |
| 07/27/1982 | CA1128664A1 Memory, incorporating error detection and correction |
| 07/21/1982 | EP0056140A2 Signal copy device for digital record/reproduction system |
| 06/29/1982 | US4337457 Method for the serial transmission of binary data and devices for its implementation |
| 06/24/1982 | WO1982002103A1 Bit serial encoder |
| 06/22/1982 | US4336612 Error correction encoding and decoding system |
| 06/15/1982 | US4335458 Memory incorporating error detection and correction |
| 06/09/1982 | EP0053505A2 Pulse code modulated signal processing apparatus |
| 06/09/1982 | EP0053474A1 Pulse code modulated signal processing apparatus |
| 06/08/1982 | US4334309 Error correcting code system |
| 06/01/1982 | CA1124852A1 Method and apparatus employing an improved format for recording and reproducing digital audio |
| 05/26/1982 | EP0052463A1 Soft decision convolutional code transmission system |
| 05/26/1982 | EP0052433A2 Signal error detecting |
| 05/26/1982 | EP0052216A2 Data storage systems |
| 05/18/1982 | US4330860 Error correcting device |
| 05/18/1982 | CA1123958A1 System for transmitting binary data via a number of channels |
| 05/05/1982 | EP0050930A1 Improvements in or relating to data transmission systems |
| 05/04/1982 | CA1123105A1 Method and apparatus for an efficient error detection and correction system |
| 04/29/1982 | EP0034142A4 Galois field computer. |
| 04/20/1982 | US4326291 Error detection system |
| 04/07/1982 | EP0048933A1 Circuit for correcting error in digital information signal |
| 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 |
| 03/23/1982 | US4321704 Parity checking circuitry for use in multi-bit cell PCM recording and reproducing apparatus |
| 03/10/1982 | EP0046963A2 Circuit configuration for the recognition and correction of error bursts |
| 03/09/1982 | CA1119729A1 Error correcting system |
| 03/02/1982 | CA1119312A1 Recording of digital signals |
| 02/23/1982 | US4317202 Circuit arrangement for correction of data |
| 02/23/1982 | CA1118902A1 Apparatus for performing single error correction and double error detection |
| 02/16/1982 | US4316223 Recording of digital signals |
| 02/02/1982 | US4314369 Digital coding process for recording sound channels with a television signal and apparatus realizing this process |
| 02/02/1982 | CA1117661A1 Error correcting systm for serial by byte data |
| 01/19/1982 | US4312069 Serial encoding-decoding for cyclic block codes |
| 01/19/1982 | US4312068 Parallel generation of serial cyclic redundancy check |
| 01/13/1982 | EP0043432A2 Error detecting device for synchronous data transmission system |
| 01/06/1982 | EP0042966A1 Digital data storage error detecting and correcting system and method |
| 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 | US4308557 Video disc system |
| 12/23/1981 | EP0042121A1 System for processing and transmitting PCM signals |
| 12/15/1981 | US4306305 PCM Signal transmitting system with error detecting and correcting capability |
| 12/08/1981 | CA1114067A1 Error detection system |
| 11/11/1981 | EP0039565A1 Methods of and apparatuses for processing binary data |
| 11/04/1981 | EP0039150A2 Methods of and apparatuses for processing binary data |
| 11/03/1981 | US4298981 Decoding shortened cyclic block codes |
| 10/20/1981 | US4296495 Device for measuring the quality of a digital radio link |
| 10/13/1981 | US4295218 Error-correcting coding system |
| 10/06/1981 | US4293951 Method and apparatus for encoding/decoding a convolutional code to a periodic convolutional code block |
| 09/29/1981 | CA1109964A1 Error-rejecting data transmission system |
| 09/22/1981 | US4291406 Error correction on burst channels by sequential decoding |
| 09/08/1981 | CA1108766A1 Digital signal transmitting system |
| 08/26/1981 | EP0034142A1 Galois field computer. |
| 08/25/1981 | CA1107863A1 Programmable polynomial generator |
| 08/20/1981 | WO1981002352A1 Serial encoding-decoding for cyclic block codes |
| 08/19/1981 | EP0034036A2 Encoders and decoders for cyclic block codes |
| 08/11/1981 | US4283787 Cyclic redundancy data check encoding method and apparatus |
| 07/15/1981 | EP0032055A1 Document processing system |
| 07/07/1981 | US4277807 Recording digital signals |
| 07/01/1981 | EP0031183A2 Multi-processor computer system |
| 06/30/1981 | US4276647 High speed Hamming code circuit and method for the correction of error bursts |
| 06/16/1981 | CA1103360A1 Plural channel error correcting methods and means using adaptive reallocation of redundant channels among groups of channels |
| 06/09/1981 | CA1102880A1 Method and apparatus to permit substantial cancellation of interference between a received first and second signal |
| 06/02/1981 | US4271517 Circuit arrangement for the formation of check bits for binary data |
| 04/30/1981 | WO1981001209A1 Method and device for detecting errors in mass data represented in p-code |
| 04/08/1981 | EP0026516A1 Apparatus for the processing of an information stream with the aid of an error-correcting convolutional code and for the detection of an error still irremediable in this processing |
| 04/07/1981 | CA1099023A1 Method and system for transmitting and receiving interleaved blocks of encoded data words to minimize error distortion in the recovery of said data words |
| 04/07/1981 | CA1099022A1 Parallel calculation of serial cyclic redundancy check |
| 04/01/1981 | EP0026050A1 Improvements in or relating to interleavers and de-interleavers |
| 03/24/1981 | CA1098212A1 Code transmission method and apparatus therefor |
| 02/24/1981 | US4253182 Optimization of error detection and correction circuit |
| 02/24/1981 | US4253115 Process for the transmission of an audiofrequency analog signal during line-frame synchronization intervals of a television signal and apparatus for performing this process |
| 02/18/1981 | EP0024020A1 Sequential decoder and system for error correction on burst noise channels by sequential decoding |
| 02/05/1981 | WO1981000316A1 Galois field computer |
| 01/07/1981 | EP0020669A1 A process and an apparatus for transferring binary information representing at least two parameters. |
| 01/07/1981 | EP0020531A1 Error recognition and correction of digital information |
| 01/06/1981 | CA1093213A1 Apparatus and method for the storing parity encoded data from a plurality of input/output sources |
| 12/30/1980 | US4242752 Circuit arrangement for coding or decoding of binary data |
| 12/23/1980 | US4241446 Apparatus for performing single error correction and double error detection |
| 12/16/1980 | US4240156 Concatenated error correcting system |
| 12/10/1980 | EP0019689A1 Method and circuit for checking the presence of a marking signal on only one of the signal wires of line bundles comprising m signal wires |
| 12/09/1980 | US4238852 Error correcting system |
| 12/09/1980 | CA1091353A1 Vital digital communication system |
| 10/15/1980 | EP0016823A1 Data processing system having error detection and correction circuits |
| 09/09/1980 | US4222072 Video player/recorder with non-linear mark length modulation |
| 09/09/1980 | CA1085506A1 Variable cyclic redundancy character detector |
| 09/02/1980 | CA1085057A1 Method of transmitting digital signals |
| 08/12/1980 | US4217660 Method and apparatus for the coding and decoding of digital data |