| 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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| 07/26/1988 | US4760576 Error correction method |
| 07/19/1988 | CA1239479A1 Coded modulation system |
| 07/12/1988 | US4757506 Method of decoding binary signals and viterbi decoder as well as uses therefor |
| 07/06/1988 | EP0273676A2 Single track orthogonal error correction system |
| 07/05/1988 | US4755998 Coded modulation system |
| 06/30/1988 | WO1988004805A1 Computational method and apparatus for finite field multiplication |
| 06/28/1988 | US4754458 Method of transmission, with the possibility of correcting bursts of errors, of information messages and encoding and decoding devices for implementing this method |
| 06/21/1988 | US4752904 Efficient structure for computing mixed-radix projections from residue number systems |
| 06/16/1988 | WO1988004500A1 Digital signal coding |
| 06/15/1988 | EP0271082A2 Galois field arithmetic logic unit |
| 06/14/1988 | US4751704 Method and apparatus for decoding BCH code |
| 06/07/1988 | US4750178 Error correction method |
| 06/07/1988 | US4750146 Method and apparatus for compensating for the truncation error in a filtered signal by adding the error to the positive part of the signal and subtracting the error from the negative part of the signal |
| 05/31/1988 | US4748626 Viterbi decoder with reduced number of data move operations |
| 05/24/1988 | US4747105 Linear feedback sequence detection with error correction |
| 05/24/1988 | US4747104 Data transmission system employing a combination of block encoding and convolution encoding for error protection |
| 05/24/1988 | US4747103 Signal processing apparatus for correcting decoding errors |
| 05/18/1988 | EP0267836A1 Algebraic coder of Reed-Solomon and BCH block codes for use in digital telecommunication |
| 05/18/1988 | EP0267499A1 Methods for generating the parity and for monitoring the transmission during data shifting, and circuit arrangement for carrying out the methods |
| 05/17/1988 | US4745604 Method and apparatus for transferring data between a host processor and a data storage device |
| 05/17/1988 | US4745568 Computational method and apparatus for finite field multiplication |
| 05/10/1988 | US4744086 Process for the transmission in blocks of digital information words with error correction capability |
| 05/10/1988 | CA1236571A1 Shared encoder/decoder circuits for use with error correction codes of an optical disk system |
| 05/04/1988 | EP0265711A2 Concurrent detection of errors in arithmetic data compression coding |
| 05/04/1988 | EP0265639A2 ECC circuit failure verifier |
| 05/04/1988 | EP0265488A1 Digital data transmission with detection of errors, including word framing errors |
| 05/03/1988 | US4742519 Apparatus for decoding error correcting code |
| 05/03/1988 | US4742517 Interleaving circuit |
| 04/27/1988 | EP0265336A1 Galois field polynomial processing device and digital signal processor comprising such a device |
| 04/27/1988 | EP0265180A2 Multiplier in a galois field |
| 04/27/1988 | EP0265149A2 Decoding of convolutional encoded signals |
| 04/27/1988 | EP0264784A2 Convolutional encoder |
| 04/27/1988 | EP0264602A2 Fixed time gap format variable field length data transfer |
| 04/27/1988 | EP0163685B1 Apparatus for correcting frequency-dependent attenuation of the transmitting medium in signal transmission |
| 04/26/1988 | US4740968 ECC circuit failure detector/quick word verifier |
| 04/26/1988 | CA1235810A1 Error detection and correction in an optical storage system |
| 04/20/1988 | EP0264064A2 Word synchronizer |
| 04/19/1988 | US4739506 IC chip error detecting and correcting apparatus |
| 04/19/1988 | US4739505 IC chip error detecting and correcting apparatus with automatic self-checking of chip operation |
| 04/19/1988 | US4739504 IC chip error detecting and correcting method |
| 04/13/1988 | EP0263175A1 Apparatus and method for encoding and decoding attribute data into error checking symbols of main data |
| 04/12/1988 | US4737949 Transmission system for digital repeater supervisory code transmission |
| 04/12/1988 | CA1235189A1 Error correction encoding system |
| 04/06/1988 | EP0262944A2 Error correction apparatus |
| 04/05/1988 | US4736376 Self-checking error correcting encoder/decoder |
| 03/30/1988 | EP0261626A2 Error-correcting bit-serial decoder |
| 03/23/1988 | EP0260413A2 Circuit combining functions of cyclic redundancy check code and pseudo-random number generators |
| 03/16/1988 | CN85104100B Complex rotation code and decode device |
| 03/15/1988 | CA1234222A1 Method and apparatus for error correction |
| 03/09/1988 | EP0258702A2 Method and apparatus for linear feedback sequence detection with error correction |
| 03/08/1988 | US4730322 Method and apparatus for implementing a maximum-likelihood decoder in a hypercube network |
| 03/08/1988 | US4730321 Disk drive with improved error correction code |
| 03/02/1988 | EP0257414A2 Fast error detection/correction for command signals |
| 02/25/1988 | WO1988000417A3 Method and installation for digital communication, particularly between and toward moving vehicles |
| 02/23/1988 | US4727547 Method and apparatus for decoding |
| 02/23/1988 | US4727546 Data processing system composed of three data processing modules |
| 02/23/1988 | CA1233233A1 Error correction scheme |
| 02/16/1988 | US4726029 Error-correcting modem |
| 02/16/1988 | US4726028 Method for error detection and error correction |
| 02/09/1988 | CA1232660A1 Fault detection arrangement for a digital conferencing system |
| 02/03/1988 | EP0254821A2 Apparatus for providing mixed radix projection data from residue number system data |
| 02/02/1988 | US4723245 IC chip error detecting and correcting method including automatic self-checking of chip operation |
| 02/02/1988 | US4723244 Method and apparatus for preserving the integrity of the error detection/correction word in a code word |
| 02/02/1988 | US4723243 CRC calculation machine with variable bit boundary |
| 01/27/1988 | EP0254140A1 Method for producing information in data blocks with protection for serial data bit streams using cyclic binary codes |
| 01/19/1988 | US4720831 CRC calculation machine with concurrent preset and CRC calculation function |
| 01/19/1988 | US4720830 CRC calculation apparatus having reduced output bus size |
| 01/19/1988 | US4720829 Error control encoding system |
| 01/14/1988 | WO1988000417A2 Method and installation for digital communication, particularly between and toward moving vehicles |
| 01/12/1988 | US4719642 Error detection and concealment using predicted signal values |
| 01/12/1988 | US4719628 Method and apparatus for decoding error correction code |
| 01/12/1988 | CA1231456A1 Extended error correction for package error correction codes |
| 01/12/1988 | CA1231451A1 Method and device for synchronous data transmission |
| 01/05/1988 | CA1231170A1 Teletext magazine code detector |
| 12/29/1987 | US4716567 Method of transmitting digital data in which error detection codes are dispersed using alternate delay times |
| 12/29/1987 | US4716566 Error correcting system |
| 12/29/1987 | US4716385 Multilevel modulator comprising a compact error correcting code producing unit |
| 12/23/1987 | EP0249982A2 Decoder |
| 12/22/1987 | US4715037 Viterbi decoder comprising a majority circuit in producing a decoded signal |
| 12/22/1987 | US4715036 Data encoder system |
| 12/15/1987 | US4713829 Coded modulation system with a simplified decoder capable of reducing the effects of channel distortion |
| 12/15/1987 | US4713817 Multidimensional, convolutionally coded communication systems |
| 12/08/1987 | US4712215 CRC calculation machine for separate calculation of checkbits for the header packet and data packet |
| 12/01/1987 | US4710746 Sequential decoding device for decoding systematic code |
| 11/25/1987 | EP0138981B1 Improved error protection of linearly coded digital signals |
| 11/24/1987 | US4709377 Viterbi decoder for wireline modems |
| 11/19/1987 | EP0245781A2 Concatenated code-decode system for the protection against interference of digital transmissions through an intermediate regenerative repeater |
| 11/10/1987 | US4706250 Method and apparatus for correcting multibyte errors having improved two-level code structure |
| 11/10/1987 | CA1229170A1 Decoding device for a stream of code symbols which are word-wise protected by a double reed-solomon code |
| 11/10/1987 | CA1229169A1 Fast decoder and encoder for reed-solomon codes |
| 11/04/1987 | EP0162076B1 A method to compensate for the truncation error in a sampled signal and a device for carrying out the method |
| 10/27/1987 | US4703485 Method and apparatus for computing and implementing error detection check bytes |
| 10/27/1987 | US4703353 Signal interpolators |
| 10/22/1987 | WO1987006368A1 Apparatus and method for encoding and decoding attribute data into error checking symbols of main data |
| 10/20/1987 | US4701923 Adaptively coded data communication system with half duplex and/or full duplex function |
| 10/20/1987 | US4701914 Apparatus for correcting cyclic code data stored in memory and method therefor |
| 10/14/1987 | EP0240921A2 BCH code signal correcting system |
| 10/13/1987 | US4700350 Multiple phase CRC generator |
| 10/13/1987 | US4700349 For sending digital symbols generated by a data source |
| 10/13/1987 | CA1228166A1 Method and apparatus for coding digital data to permit correction of one or two incorrect data packets (bytes) |