Patents
Sitemap › H03 - Basic electronic circuitry › H03M - Coding, decoding or code conversion, in general › 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
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)
05/1990
05/23/1990EP0369707A2 Arrayed disk drive system and method
05/22/1990US4928288 Decoding method and device with erasure detection for multilevel transmission systems
05/22/1990US4928280 Fast processor for multi-bit error correction codes
05/15/1990US4926169 Coder-decoder for purged extended golay (22,7) codes
05/09/1990EP0367268A2 Apparatus for decoding BCH code
05/08/1990CA1268833A1 Linear feedback sequence detection with error correction
05/03/1990WO1990004905A1 Interframe deinterleave switching circuit
05/02/1990EP0366589A2 Method of maintaining integrity of data during message transmission in a data communication system
05/02/1990EP0365634A1 Method and apparatus for encoding consisting of forming a codeword by combining a first code sequence with a second code sequence.
05/01/1990US4922494 Method of and circuit for decoding block-coded messages affected by symbol substitutions, insertions and deletions
04/1990
04/25/1990EP0364627A1 Data processing apparatus for calculating a multiplicatively inverted element of a finite field
04/25/1990EP0364475A1 Multiple pass error correction process and apparatus for product codes.
04/18/1990EP0364229A2 Data recording method and apparatus
04/18/1990EP0364172A2 Error detection and correction for a data storage system
04/18/1990CN1041463A Method and system for correcting long bursts of consecutive errors
04/17/1990US4918638 Multiplier in a galois field
04/17/1990US4918446 Decoder with reduced synchronization capture time
04/11/1990EP0363145A2 Single chip error processor
04/10/1990US4916702 Error correction processor for interleaved codes
04/10/1990US4916701 Method and system for correcting long bursts of consecutive errors
04/03/1990US4914661 Method and apparatus for correcting errors in digital signals having phase fluctuations
04/03/1990US4914660 Method and apparatus for decoding error correcting code
03/1990
03/28/1990EP0360424A2 Methods of correcting multiple byte errors
03/21/1990CN1040698A Error correcting circuit
03/13/1990US4908827 Forward error correction system
03/07/1990EP0357461A2 Error correction circuit
03/06/1990US4907233 VLSI single-chip (255,223) Reed-Solomon encoder with interleaver
02/1990
02/28/1990EP0355988A2 Method and apparatus for transmitting and receiving characters using a balanced weight error correcting code
02/28/1990EP0355850A2 Sequential decoder
02/28/1990EP0204832B1 Error detection and correction system
02/27/1990US4905317 Path memory control method in Viterbi decoder
02/13/1990US4901319 Transmission system with adaptive interleaving
02/13/1990US4901318 Address generating circuit
02/13/1990US4901317 Efficient maximum-likelihood decoder for the golay (24,12) code
02/07/1990EP0354065A2 Digital data modulation circuit and method and digital data demodulation circuit
02/06/1990US4899341 Error correction circuit
02/06/1990CA1265621A1 Decoding apparatus
01/1990
01/31/1990EP0352937A2 Data error detection and correction
01/31/1990CN2052170U High-speed coding and decoding device capable of correcting two errors
01/30/1990US4897839 Coding and decoding method
01/30/1990CA1265253A1 Self-checking error-correcting encoder/decoder
01/30/1990CA1265252A1 Circuit combining functions of cyclic redundancy check code and pseudo-random number generators
01/30/1990CA1265250A1 Data transmission
01/10/1990EP0350368A1 Data coding and shaping device for a rotating-head recorder
01/10/1990EP0349687A2 Method and apparatus for encoding magnetic disk sector addresses
01/09/1990US4893312 Compact, real time tape drive system
01/03/1990EP0349325A2 Digital signal transmission apparatus
01/03/1990EP0348805A2 Transmission system with a transmission code for binary data
01/03/1990CN1038536A Method for transmitting digital data
01/02/1990US4891813 Passive bus communication using alternate CRC
12/1989
12/28/1989WO1989012933A1 Elongated burst trapping
12/27/1989EP0348305A2 Coded modulation communication system
12/27/1989CA1264091A1 Generator for error correcting code and decoder for the code
12/26/1989US4890287 On-the-fly error correction
12/26/1989US4890286 Method and apparatus for decoding error correcting code
12/19/1989US4888779 Matched spectral null trellis codes for partial response channels
12/19/1989US4888778 Algebraic coder-decoder for Reed Solomon and BCH block codes, applicable to telecommunications
12/19/1989US4888775 Trellis codes for partial response channels
12/19/1989US4888774 Error detection system
12/13/1989EP0345872A1 Device for reproducing digitized video pictures
12/06/1989EP0344303A1 Multiple error trapping
12/06/1989EP0344213A1 Viterbi decoder with reduced number of data move operations.
12/05/1989US4885757 Digital adaptive receiver employing maximum-likelihood sequence estimation with neural networks
12/05/1989US4885750 Method and apparatus for error correction
11/1989
11/29/1989EP0343742A2 Decoders for Hamming encoded data
11/29/1989EP0343740A2 Teletext decoders
11/29/1989EP0343739A2 Teletext decoders
11/29/1989EP0343639A2 Bit and symbol timing recovery for sequential decoders
11/22/1989CN1037436A Sequence code
11/21/1989US4882733 Method and apparatus for combining encoding and modulation
11/21/1989US4882731 Data processing device composed of four data processing modules of identical construction, with protection both against simultaneous single-bit failures in the data processing modules and against failure of a single data processing module
11/15/1989EP0341863A2 Sector mis-synchronization detection method
11/15/1989EP0341862A2 Error location system
11/15/1989EP0341851A2 Method and apparatus for interleaved encoding
11/15/1989EP0341256A1 Modem and method using multidimensional coded modulation.
11/14/1989US4881232 Method and apparatus for error correction
11/07/1989US4879720 Decoder ring system
11/07/1989US4879675 Parity generator circuit and method
11/02/1989EP0340139A2 Fast processor for multi-bit error correction codes
11/02/1989EP0339166A1 Extended errors correcting device having single package error correcting and double package error detecting codes
10/1989
10/31/1989US4878221 Error-correcting decoder for rapidly dealing with buffer overflow
10/26/1989DE3812639A1 Generation of parity bits from a high bit-rate binary digital signal
10/25/1989EP0338496A2 Method and circuit for detecting data error
10/25/1989EP0337985A1 Computational method and apparatus for finite field multiplication.
10/24/1989US4876595 Device for reproducing digitized video pictures using an improved restoration method
10/19/1989WO1989010029A1 Method and apparatus for encoding consisting of forming a codeword by combining a first code sequence with a second code sequence
10/19/1989WO1989009965A1 Error detection method for sub-band coding
10/18/1989EP0337702A2 Code-error correcting device
10/17/1989US4875211 Galois field arithmetic logic unit
10/10/1989US4873689 Method and apparatus for collecting errors in the digital data of a television signal
10/10/1989US4873688 High-speed real-time Reed-Solomon decoder
10/04/1989EP0334868A1 Digital signal coding.
09/1989
09/26/1989US4870646 Word synchronizer
09/26/1989US4870417 Error correction circuit suitable for thermometer or circular code
09/26/1989US4870414 Even mark modulation coding method
09/26/1989CA1260615A1 Method of decoding binary signals and viterbi decoder as well as uses therefor
09/26/1989CA1260143A1 Path trace viterbi decoder
09/26/1989CA1260142A1 Sequential decoding device for decoding systematic code
09/21/1989WO1989008884A1 Decoder ring system
09/21/1989WO1989008882A1 Adjustable-parameter multiplier/summer in galois bodies, and its use in a digital signal processor
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