| 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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| 05/09/1995 | US5414719 Operating circuit for galois field |
| 05/09/1995 | CA2026021C Synchronization detector using path metric and branch metric values of a viterbi decoder |
| 05/04/1995 | WO1995012249A1 Pipelined viterbi recorder |
| 05/03/1995 | EP0651584A2 Data receiving apparatus and method |
| 05/02/1995 | US5412670 N-bit parity neural network encoder |
| 05/02/1995 | US5412669 Add, compare and select circuit |
| 05/02/1995 | US5412667 Decoder for cross interleaved error correcting encoded data |
| 05/02/1995 | US5412368 Digital signal comparison circuitry |
| 04/26/1995 | EP0650266A2 An error correction code decoder and a method thereof |
| 04/25/1995 | US5410556 Pipelined viterbi decoder |
| 04/25/1995 | US5410555 Viterbi decoding apparatus |
| 04/25/1995 | US5410546 Apparatus and method for CRC computation over fixed length blocks containing variable length packets of data received out of order |
| 04/25/1995 | US5410309 Method and system for communicating data |
| 04/20/1995 | DE4335305A1 Method and circuit arrangement for transmitting voice signals |
| 04/19/1995 | EP0649139A1 Apparatus for reproducing information |
| 04/19/1995 | EP0649136A2 A method for recording digital data, digital data recording device, digital data reproducing device, and digital data recording and reproducing device |
| 04/18/1995 | US5408531 Information recording/reproducing apparatus for converting and processing data exceeding error correction ability at recording |
| 04/18/1995 | US5408503 Transmission system |
| 04/18/1995 | US5408502 Apparatus and method for communicating digital data using trellis coded QAM with punctured convolutional codes |
| 04/18/1995 | US5408499 Multilevel code for transmission device |
| 04/18/1995 | US5408477 Error correction method |
| 04/18/1995 | US5408476 One bit error correction method having actual data reproduction function |
| 04/13/1995 | WO1995010140A1 Method and apparatus for code error correction |
| 04/13/1995 | WO1995008803A3 Programmable redundancy/syndrome generator |
| 04/12/1995 | EP0648021A2 Time domain algebraic encoder/decoder |
| 04/11/1995 | US5406570 Method for a maximum likelihood decoding of a convolutional code with decision weighting, and corresponding decoder |
| 04/11/1995 | US5406569 Error correcting apparatus for digital data and digital synchronizing detecting apparatus |
| 04/06/1995 | WO1995009421A1 Method and device for reproducing data |
| 04/06/1995 | DE4220196C2 Halbleiterspeichervorrichtung und Verfahren zum Korrigieren eines Datenfehlers in einer Halbleiterspeichervorrichtung entsprechend einer vorbestimmten Hamming-Matrix A semiconductor memory device and method for correcting a data error in a semiconductor memory device according to a predetermined Hamming matrix |
| 04/05/1995 | EP0647036A1 Method and means for detecting partial response waveforms using a modified dynamic programming Heuristic |
| 04/05/1995 | EP0647035A1 Method of processing code for error checking and code processing circuit |
| 04/05/1995 | EP0646300A1 Method of detecting errors in digitized data-reduced audio and data signals. |
| 03/30/1995 | WO1995008888A1 Multirate serial viterbi decoder for code division multiple access system applications |
| 03/30/1995 | WO1995008803A2 Programmable redundancy/syndrome generator |
| 03/30/1995 | WO1995005035A3 Ram based architecture for ecc circuits |
| 03/29/1995 | EP0645920A2 Method and device for one channel transmission of data telegrams |
| 03/29/1995 | EP0645894A1 Transmission system using trellis or block coded modulation receiver and decoder therefor |
| 03/28/1995 | US5402429 Error detection and correction device to detect and correct single bit errors in a transmitted sequence of bits |
| 03/23/1995 | WO1995008152A1 Method and apparatus for detecting bad frames of information in a communication system |
| 03/23/1995 | CA2147497A1 Method and apparatus for detecting bad frames of information in a communication system |
| 03/22/1995 | EP0643894A1 Qam signal encoding/decoding system |
| 03/22/1995 | EP0643889A1 Method and apparatus for coherent communication in a spread-spectrum communication system |
| 03/21/1995 | US5400348 Packet start detection using check bit coding |
| 03/21/1995 | US5400347 Apparatus and method for error correction |
| 03/21/1995 | US5400186 Apparatus and method for recording and reproducing digital signals by error-correcting-encoding of video and audio signals collectively |
| 03/15/1995 | EP0643542A1 Method for combining datastreams |
| 03/15/1995 | EP0643493A1 High performance error control coding in channel encoders and decoders |
| 03/15/1995 | EP0643492A1 Transmission system and modem using coded modulations |
| 03/14/1995 | US5398284 Cryptographic encoding process |
| 03/14/1995 | US5398258 Wireless communication system |
| 03/14/1995 | US5398254 Error correction encoding/decoding method and apparatus therefor |
| 03/14/1995 | US5398073 Concatenated coded vestigial sideband modulation for high definition television |
| 03/11/1995 | CA2131674A1 High performance error control coding in channel encoders and decoders |
| 03/09/1995 | DE4431349A1 Adaptive filtering of digital image signals |
| 03/08/1995 | EP0642273A2 Image processing apparatus concealing errors in motion image data |
| 03/08/1995 | EP0642228A2 Apparatus for transmitting and receiving interleaved error correction coded data on a transmission frame |
| 03/07/1995 | US5396518 Apparatus and method for communicating digital data using trellis coding with punctured convolutional codes |
| 03/07/1995 | US5396504 Error correction system of digital data |
| 03/07/1995 | US5396502 Single-stack implementation of a Reed-Solomon encoder/decoder |
| 03/07/1995 | US5396236 Converting method of vertical data/horizontal data and a circuit therefor |
| 03/02/1995 | WO1995006368A1 Information transmission system and method of operation |
| 03/01/1995 | EP0641110A1 Combined equaliser and demultiplexer |
| 03/01/1995 | EP0641101A2 Digital communications system with symbol multiplexers |
| 03/01/1995 | EP0641087A2 Concatenated Reed-Solomon code and trellis coded modulation |
| 03/01/1995 | EP0332662B1 Byte write error code method and apparatus |
| 02/28/1995 | US5394440 High speed modem systems incorporating distribution preserving Tomlinson encoding and decoding for secondary channels |
| 02/28/1995 | US5394388 Multiple microprobe arrays for recording and reproducing encoded information |
| 02/25/1995 | CA2124711A1 Concatenated reed-solomon code and trellis coded modulation |
| 02/23/1995 | DE4327777C1 Method and system for transmitting signals |
| 02/22/1995 | EP0639913A1 Apparatus for resolving phase ambiguities in a DPSK radio link |
| 02/22/1995 | EP0639316A1 Reception process for teletext data |
| 02/21/1995 | US5392316 Decoding method and apparatus with maximum likelihood sequence estimation |
| 02/21/1995 | US5392300 Dual mode radio communication unit |
| 02/21/1995 | US5392299 Triple orthogonally interleaed error correction system |
| 02/21/1995 | US5392294 Diagnostic tool and method for locating the origin of parasitic bit faults in a memory array |
| 02/21/1995 | US5392270 Information recording reproducing apparatus using data conversion to provide for accurate reproduction of high density recording using an optical recording medium |
| 02/21/1995 | US5392129 Digital VCR signal processing apparatus for concealing uncorrectable errors |
| 02/21/1995 | US5392037 Method and apparatus for encoding and decoding |
| 02/16/1995 | WO1995005035A2 Ram based architecture for ecc circuits |
| 02/14/1995 | US5390215 Multi-processor demodulator for digital cellular base station employing partitioned demodulation procedure with pipelined execution |
| 02/14/1995 | US5390199 Advanced code error detection apparatus and system using maximal-length pseudorandom binary sequence |
| 02/14/1995 | US5390198 Soft decision viterbi decoder for M-ary convolutional codes |
| 02/14/1995 | US5390196 Byte-wise determination of a checksum from a CRC-32 polynomial |
| 02/14/1995 | US5390195 Miller-squared decoder with erasure flag output |
| 02/14/1995 | CA2030510C Maximum-likehood sequence estimation apparatus |
| 02/08/1995 | EP0329789B1 Galois field arithmetic unit |
| 02/07/1995 | US5388105 Method of recording/reproducing optical disk data |
| 02/01/1995 | EP0637024A2 Magnetic reproducing apparatus with partial response decoder |
| 02/01/1995 | EP0636291A1 Coordinated coding for digital transmission |
| 02/01/1995 | EP0341256B1 Modem and method using multidimensional coded modulation |
| 01/31/1995 | US5386436 Synchronization system for use in digital transmission system |
| 01/31/1995 | US5386425 Two-dimensional error correcting method and decoder |
| 01/31/1995 | US5386420 Coding method for correction and detection of skewed transitions in parallel asynchronous communication systems |
| 01/25/1995 | EP0624275A4 Method and system for the arrangement of vocoder data for the masking of transmission channel induced errors. |
| 01/25/1995 | EP0494267B1 Digital optical sound system |
| 01/25/1995 | EP0364229B1 Data recording method and apparatus |
| 01/24/1995 | US5384810 Modulo decoder |
| 01/24/1995 | US5384790 Magnetic recording system with pulse qualification and error correction circuitry |
| 01/24/1995 | US5384786 Fast and efficient circuit for identifying errors introduced in Reed-Solomon codewords |
| 01/24/1995 | US5384782 Digital radio receiver with decoding of confidence level information substituted for interleaved data |