| 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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| 10/08/1987 | WO1987006081A1 Method of controlling path memory in viterbi decoder |
| 10/08/1987 | WO1987006036A1 Digital data transmission with detection of errors, including word framing errors |
| 10/07/1987 | EP0240363A2 Error correction methods |
| 10/06/1987 | US4698813 Arrangement for correcting burst errors in shortened cyclical block codes |
| 10/06/1987 | US4698811 Method and apparatus for generating error correction codes for digitized picture signal recording/reproducing |
| 10/05/1987 | EP0229112A4 Ic chip error detecting and correcting with automatic self-checkingand method therefor. |
| 09/29/1987 | US4697265 Error monitor circuit |
| 09/29/1987 | US4697248 Arithmetic circuit for obtaining the vector product of two vectors |
| 09/22/1987 | US4696007 Method of correcting errors in binary coded words |
| 09/16/1987 | EP0237186A2 Decoding of lattices and codes |
| 09/15/1987 | US4694455 Decoding method for multiple bit error correction BCH codes |
| 09/15/1987 | CA1226980A1 Arrangement for checking the parity of parity bit- containing bit groups |
| 09/09/1987 | EP0235477A1 Jamming resistant method and apparatus for radio transmission of coded information |
| 09/08/1987 | US4692922 Method for correcting and detecting errors |
| 09/08/1987 | CA1226677A1 Apparatus for encoding and decoding digital data to permit error correction |
| 09/02/1987 | EP0234577A1 Decoding apparatus |
| 09/02/1987 | EP0234558A2 Path trace viterbi decoder |
| 09/02/1987 | EP0234354A2 Apparatus for decoding a digital signal |
| 09/01/1987 | US4691319 Method and system for detecting a predetermined number of unidirectional errors |
| 09/01/1987 | CA1226368A1 Error correcting and detecting system |
| 08/26/1987 | EP0233788A2 Viterbi decoder and method |
| 08/19/1987 | EP0233075A2 Method and apparatus for generating error detection check bytes for a data record |
| 08/19/1987 | EP0232417A1 Process for correcting transmission errors. |
| 08/18/1987 | US4688207 Channel quality monitoring apparatus |
| 08/18/1987 | CA1225746A1 Error correction system for difference set cyclic code in a teletext system |
| 08/18/1987 | CA1225743A1 Soft decision convolutional code transmission system |
| 08/12/1987 | EP0232093A2 Data transmission and recording methods |
| 08/12/1987 | EP0231943A2 Sequential decoding device for decoding systematic code |
| 08/05/1987 | EP0230730A2 CRC calculation machines |
| 07/29/1987 | EP0230066A1 A method for decoding data transmitted along a data channel, and an apparatus for executing the method |
| 07/28/1987 | US4683572 Decoding device for code symbols protected by Reed-Solomon code |
| 07/28/1987 | US4683571 Digital signal decoding system |
| 07/23/1987 | DE3601473A1 Method of safeguarding data telegrams, and device for implementing the method |
| 07/22/1987 | EP0229698A2 Decoder for product codes and method of decoding such codes |
| 07/22/1987 | EP0229246A2 Method for decoding digital signals, as well as a Viterbi decoder and applications |
| 07/22/1987 | EP0229112A1 Ic chip error detecting and correcting with automatic self-checkingand method therefor. |
| 07/21/1987 | US4682343 Processing circuit with asymmetry corrector and convolutional encoder for digital data |
| 07/21/1987 | US4682334 Synchronous data transmission method and device implementing same |
| 07/21/1987 | US4682333 Decoder for decoding a two-stage encoded code |
| 07/14/1987 | US4680765 Autosync circuit for error correcting block decoders |
| 07/14/1987 | US4680764 Method and apparatus for transmitting digital data |
| 07/14/1987 | US4680763 Digital data recording and reproducing device |
| 07/09/1987 | DE3600164A1 Device for block-by-block transmission of binary signals |
| 07/01/1987 | EP0227473A2 Error correcting coder/decoder |
| 06/30/1987 | US4677627 Error correction scheme |
| 06/30/1987 | US4677626 Self-synchronizing interleaver for trellis encoder used in wireline modems |
| 06/30/1987 | US4677625 Distributed trellis encoder |
| 06/30/1987 | US4677623 Decoding method and apparatus for cyclic codes |
| 06/30/1987 | US4677480 System for detecting a transmission error |
| 06/30/1987 | CA1223649A1 Method for improving message reception from multiple sources |
| 06/24/1987 | EP0226353A2 CRC calculation apparatus |
| 06/23/1987 | US4675871 Digital data decoders |
| 06/23/1987 | US4675870 Method of and apparatus for decoding a data stream which is protected by a multi-symbol error protection code |
| 06/23/1987 | US4675869 Fast decoder and encoder for Reed-Solomon codes and recording/playback apparatus having such an encoder/decoder |
| 06/23/1987 | US4675868 Error correction system for difference set cyclic code in a teletext system |
| 06/19/1987 | DE3543976A1 Arrangement for generating check words for data blocks |
| 06/19/1987 | DE3539592A1 Method for secure data transmission |
| 06/16/1987 | EP0225763A2 CRC calculation machine and method for CRC calculation |
| 06/16/1987 | EP0225761A2 Apparatus and method for calculating cyclical redundancy codes |
| 06/16/1987 | CA1223076A1 Error correction system in a teletext system |
| 06/11/1987 | DE3543220A1 Data transmission process with error correction |
| 06/09/1987 | US4672612 Error correction system in a teletext system |
| 06/09/1987 | US4672362 Binary data encoding and decoding process |
| 06/09/1987 | CA1222829A1 Reed-solomon error correction apparatus |
| 05/26/1987 | US4669084 Error correction processing scheme for sequential codec |
| 05/21/1987 | DE3527726A1 Procedure for secure data transfers |
| 05/19/1987 | US4667327 Error corrector for a linear feedback shift register sequence |
| 05/19/1987 | US4667326 Method and apparatus for error detection and correction in systems comprising floppy and/or hard disk drives |
| 05/19/1987 | CA1222057A1 Dual channel partial response system |
| 05/13/1987 | EP0221558A2 Data converter |
| 05/13/1987 | EP0221507A2 Integrated viterbi decoder and method for testing the same |
| 05/12/1987 | US4665537 Data transmission method employing three-dimensional matrices including check words |
| 05/12/1987 | US4665523 Method and means for error detection and correction in high speed data transmission codes |
| 05/07/1987 | DE3616371A1 Arrangement for error protection in data transmission systems |
| 05/06/1987 | EP0220880A2 Signal interpolator |
| 05/06/1987 | EP0220876A2 Self-checking error-correcting encoder/decoder |
| 05/06/1987 | EP0220781A2 Decoding binary code words |
| 05/05/1987 | CA1221460A1 Apparatus for decoding error-correcting codes |
| 04/28/1987 | US4661955 Extended error correction for package error correction codes |
| 04/28/1987 | US4661954 Error protection of linearly coded digital signals |
| 04/21/1987 | US4660199 Majority logic circuit for digital error correction system |
| 04/21/1987 | US4660196 Digital audio satellite transmission system |
| 04/21/1987 | CA1220869A1 Decoding method and system for doubly-encoded reed- solomon codes |
| 04/21/1987 | CA1220865A1 Decoder and reading device for optically readable record carrier |
| 04/15/1987 | EP0218413A2 System and method for correcting errors in coded data recorded in blocks and sub-blocks |
| 04/09/1987 | WO1987002210A1 Process for correcting transmission errors |
| 04/08/1987 | EP0217570A2 Error-correcting modem |
| 04/08/1987 | EP0217292A2 A code error correcting method |
| 04/07/1987 | CA1220259A1 Integrated scrambler-encoder using pn sequence generator |
| 04/01/1987 | EP0052216B1 Data storage systems |
| 03/31/1987 | US4654854 Method and apparatus for decoding threshold-decodable forward-error correcting codes |
| 03/31/1987 | US4654853 Data transmission method |
| 03/24/1987 | US4653055 Method of correcting errors in bytes of teletext signals |
| 03/24/1987 | US4653052 Method for decoding double-encoding codes and apparatus using the same |
| 03/24/1987 | US4653051 Apparatus for detecting and correcting errors on product codes |
| 03/17/1987 | CA1219374A1 Error correction apparatus using a viterbi decoder |
| 03/10/1987 | US4649542 Digital signal transmission method providing high error correction capability |
| 03/10/1987 | US4649541 Reed-Solomon decoder |
| 03/10/1987 | US4649540 Error-correcting circuit having a reduced syndrome word |
| 03/03/1987 | US4648091 Apparatus and method for decoding error correction coded information |