| 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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| 02/28/1989 | US4809273 Device for verifying operation of a checking code generator |
| 02/28/1989 | US4809093 Apparatus for selectively controlling magnetic tape recorder's muting operation in response to detection of errors in the reproduced signal by one of two heads |
| 02/23/1989 | WO1989001660A1 Apparatus for computing multiplicative inverses in data encoding decoding devices |
| 02/21/1989 | US4807230 Frame synchronization |
| 02/21/1989 | US4807033 Method for correcting television signals |
| 02/14/1989 | US4805193 Protection of energy information in sub-band coding |
| 02/14/1989 | US4805174 Error correcting coder/decoder |
| 02/09/1989 | WO1989001265A1 Interleaving method and device therefor |
| 02/08/1989 | EP0302511A2 Sequential decoder having a short resynchronization interval |
| 02/08/1989 | EP0302330A2 Method and arrangement for evaluating branch and path metrics |
| 02/08/1989 | EP0097158B1 Information system using error syndrome for special control |
| 02/02/1989 | DE3724537A1 Method for obtaining a phase error signal, and an arrangement for this purpose |
| 02/02/1989 | DE3723343A1 Method for transmitting an additional digital signal in an FM broadcast signal |
| 02/01/1989 | EP0301191A2 PRML coding |
| 02/01/1989 | EP0301161A2 Method and apparatus for processing a convolutional code for transmission and for decoding the received code |
| 01/31/1989 | US4802174 Viterbi decoder with detection of synchronous or asynchronous states |
| 01/31/1989 | US4802173 Method of and device for decoding a block of code symbols which is distributed between code words in two ways, each code word being protected by a maximum distance separable code |
| 01/31/1989 | US4802172 Decoding apparatus |
| 01/31/1989 | US4802171 Method for error correction in digitally encoded speech |
| 01/31/1989 | US4802170 Error disbursing format for digital information and method for organizing same |
| 01/25/1989 | EP0300139A2 Error correcting code for B-bit-per-chip memory with reduced redundancy |
| 01/24/1989 | US4800570 Concatenated code-decode system for the protection against interference of digital transmissions through an intermediate regenerative repeater |
| 01/24/1989 | US4800515 Circuit for operating finite fields |
| 01/24/1989 | CA1249372A1 Self-checking microprogram control unit with on-line error detection capability, in mos technology |
| 01/12/1989 | WO1989000363A1 Galois field arithmetic unit |
| 01/12/1989 | DE3818881A1 Verfahren und anordnung zur verarbeitung von informationsdaten Method and arrangement for processing of information data |
| 01/10/1989 | US4797887 Sequential decoding method and apparatus |
| 01/10/1989 | US4797848 Pipelined bit-serial Galois Field multiplier |
| 01/10/1989 | CA1248634A1 Method for error detection and error correction |
| 01/10/1989 | CA1248603A1 Method to compensate for the truncation error in a sampled signal and a device for carrying out the method |
| 01/04/1989 | EP0297778A2 Apparatus including resonant-tunneling device having multiple-peak current-voltage characteristics |
| 01/04/1989 | EP0297375A2 Method for carrying out a Viterbi algorithm with parallel processing structures |
| 01/03/1989 | US4796260 Schilling-Manela forward error correction and detection code method and apparatus |
| 01/03/1989 | CA1248236A1 Viterbi decoder with the pipeline processing function |
| 01/03/1989 | CA1248182A1 Multidimensional, convolutionally coded communication systems |
| 12/28/1988 | EP0296828A2 Method and apparatus for decoding reed-solomon code |
| 12/28/1988 | EP0296664A1 Process and device for correcting errors in the numerical data of a television signal |
| 12/28/1988 | EP0296175A1 Method and installation for digital communication, particularly between and toward moving vehicles. |
| 12/27/1988 | US4794602 Method for error detection |
| 12/21/1988 | EP0295949A2 Method and apparatus for decoding Reed-Solomon code |
| 12/20/1988 | US4792954 Concurrent detection of errors in arithmetic data compression coding |
| 12/15/1988 | WO1988010035A1 Protection of energy information in sub-band coding |
| 12/15/1988 | WO1988010032A1 Method and apparatus for error correction |
| 12/15/1988 | WO1988009967A1 Method for error correction in digitally encoded speech |
| 12/15/1988 | WO1988009966A1 Multiple pass error correction process and apparatus for product codes |
| 12/14/1988 | EP0294533A1 Method for protecting coded signal integrity |
| 12/13/1988 | US4791643 Single track orthogonal error correction system |
| 12/13/1988 | US4791485 System for detecting a transmission error |
| 12/07/1988 | EP0294116A2 Digital adaptive receiver employing maximum-likelihood sequence estimation with neural networks |
| 12/07/1988 | EP0293728A2 Method of data-decoding |
| 12/06/1988 | US4789902 Image signal processing method |
| 12/06/1988 | CA1246230A1 Method of, and device for, decoding a repeatedly accessible information stream which is protected by a symbol-correction code |
| 12/01/1988 | DE3816203A1 Semiconductor circuit |
| 11/29/1988 | US4788694 Data transmitter |
| 11/23/1988 | EP0291961A2 Method of and device for decoding block-coded messages affected by symbol substitutions, insertions and deletions |
| 11/22/1988 | US4786890 Method and apparatus for implementing a PRML code |
| 11/17/1988 | WO1988009011A1 Real-time bch error correction code decoding mechanism |
| 11/17/1988 | WO1988009010A1 Reed solomon error correction code encoder |
| 11/17/1988 | WO1988009009A1 Byte write error code method and apparatus |
| 11/17/1988 | EP0291167A2 A code error detecting method |
| 11/15/1988 | US4785451 Generator for an error correcting code, a decoder therefore, and a method for the same |
| 11/09/1988 | EP0290349A2 Method and apparatus for encoding using a Reed-Solomon error correction code |
| 11/02/1988 | EP0289050A2 Interleave sequence method |
| 11/02/1988 | EP0288989A2 Address generating circuit |
| 11/01/1988 | US4782490 Method and a system for multiple error detection and correction |
| 11/01/1988 | US4782489 Method for decoding binary code words using estimated values |
| 10/20/1988 | WO1988008233A1 Data transmission method |
| 10/18/1988 | US4779276 Data transmission system |
| 10/18/1988 | CA1243356A1 Error control encoding system |
| 10/12/1988 | CN88101539A Encoding and decoding method |
| 10/11/1988 | US4777636 For decoding a received signal |
| 10/11/1988 | US4777635 Reed-Solomon code encoder and syndrome generator circuit |
| 10/04/1988 | CA1242766A1 Error-correction coding for multilevel transmission system |
| 09/28/1988 | EP0283686A2 Coding and decoding method |
| 09/22/1988 | WO1988007311A1 Error correction of digital image data by means of image redundancy |
| 09/14/1988 | EP0282298A2 Method and apparatus for combining encoding and modulation |
| 09/13/1988 | US4771429 Circuit combining functions of cyclic redundancy check code and pseudo-random number generators |
| 09/13/1988 | CA1242030A1 Computational method and apparatus for finite field multiplication |
| 09/07/1988 | EP0280914A2 Apparatus for data reception |
| 09/07/1988 | EP0280913A2 Apparatus for data reception |
| 09/06/1988 | US4769819 Two stage coding method |
| 09/06/1988 | US4769818 Method and apparatus for coding digital data to permit correction of one or two incorrect data packets (bytes) |
| 09/06/1988 | CA1241777A1 Channel quality monitoring apparatus |
| 08/31/1988 | EP0280013A1 Device for verifying proper operation of a checking code generator |
| 08/30/1988 | CA1241447A1 Method of transmitting information, encoding device for use in the method, and decoding device for use in the method |
| 08/17/1988 | EP0278700A2 Error correction methods and apparatus |
| 08/17/1988 | EP0278383A2 Error correction method using reed-solomon code |
| 08/16/1988 | US4764927 Code error correcting method |
| 08/11/1988 | WO1988005945A1 Viterbi decoder with reduced number of data move operations |
| 08/09/1988 | US4763332 Shared circuitry for the encoding and syndrome generation functions of a Reed-Solomon code |
| 08/09/1988 | US4763331 Method for decoding error correcting block codes |
| 08/09/1988 | US4763330 Syndrome calculating apparatus |
| 08/09/1988 | US4763328 Viterbi decoder and method for testing the viterbi decoder |
| 08/02/1988 | US4761784 Modem and method using multidimensional coded modulation |
| 08/02/1988 | US4761782 Error correction of digital image data by means of image redundancy |
| 08/02/1988 | CA1240065A1 Error detection and correction system |
| 08/02/1988 | CA1240060A1 Viterbi decoder comprising a majority circuit in producing a decoded signal |
| 07/28/1988 | WO1988005571A1 Modem and method using multidimensional coded modulation |
| 07/27/1988 | EP0275546A2 Error-correcting decoder for rapidly dealing with buffer overflow |
| 07/26/1988 | US4760599 For converting an input data digit |