| 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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| 05/13/1997 | US5630011 Quantization of harmonic amplitudes representing speech |
| 05/13/1997 | US5629949 For rotating magnetic media |
| 05/09/1997 | WO1997016899A1 Data transmission method |
| 05/07/1997 | EP0772316A2 Asynchronous transfer mode type multimedia radiocommunication system |
| 05/07/1997 | EP0772303A2 Viterbi detector with path-memory of reduced size |
| 05/07/1997 | EP0771494A1 Generalized direct update viterbi equalizer |
| 05/07/1997 | EP0669025A4 A dual mode radio communication unit. |
| 05/07/1997 | EP0471085B1 Error-correcting encoding and decoding method and system using a product code and a superimposed code |
| 05/07/1997 | CN1149218A Method and apparatus of Vita rate decoding |
| 05/06/1997 | US5627995 Data compression and decompression using memory spaces of more than one size |
| 05/06/1997 | US5627846 Drop-out location detection circuit |
| 05/06/1997 | US5627845 Variable rate communication method and a variable rate communication system |
| 05/06/1997 | US5627844 Address generator for EFM decoder employing scrambling counters |
| 05/06/1997 | US5627843 Correcting up to two disc drive read errors and detecting the occurrence of more than two read errors |
| 05/02/1997 | EP0771083A2 Audio coding device and audio decoding device |
| 05/02/1997 | EP0771080A1 Maximum-likelihood decoding with soft decisions |
| 05/02/1997 | EP0771079A2 Data transmission device |
| 05/02/1997 | EP0770284A1 Encoding data with variable block lengths |
| 05/01/1997 | WO1997016011A1 Wide biphase digital servo information, detection, and estimation for disk drive using viterbi detection |
| 05/01/1997 | WO1997016010A1 Synchronous detection of wide bi-phase coded servo information for disk drive |
| 05/01/1997 | CA2208074A1 Synchronous detection of wide bi-phase coded servo information for disk drive |
| 05/01/1997 | CA2207899A1 Wide biphase digital servo information, detection, and estimation for disk drive using viterbi detection |
| 04/30/1997 | DE19603724A1 Verfahren zur Gewinnung einer Information über die Restfehler in einem übertragenen kanaldecodierten digitalen Signal A process for obtaining an information about the residual error in a transmitted channel-decoded digital signal |
| 04/29/1997 | US5625505 Method of and apparatus for regenerating partial-response record signal |
| 04/24/1997 | WO1997015120A1 Error correcting encoder, error correcting decoder, and communication system |
| 04/24/1997 | DE19539343A1 Digital data bit stream error detection and correction method |
| 04/23/1997 | EP0769854A1 System enabling correct decoding, in binary message form, of a magnetic code recorded on a magnetic track |
| 04/23/1997 | EP0769853A1 Logic block for a viterbi decoder |
| 04/23/1997 | EP0543907B1 Method of recovering lost bits in digital transmission |
| 04/22/1997 | US5623504 Methods and apparatus for encoding and/or decoding digital data elements with different degrees of error protection in accordance with a quasi-product code |
| 04/22/1997 | US5623459 Method and apparatus for error correcting reproduced data |
| 04/17/1997 | WO1997014235A1 Confidence and frame signal quality detection in a soft decision convolutional decoder |
| 04/17/1997 | WO1997014225A1 A coding system and method providing unequal error protection by puncturing less significant symbols |
| 04/17/1997 | WO1997014224A1 Cyclic code generation and error correction using sum of remainders |
| 04/17/1997 | WO1997014150A1 Apparatus for decoding a channel signal into an information signal and reproducing arrangement provided with the apparatus |
| 04/17/1997 | CA2233289A1 A coding system and method providing unequal error protection by puncturing less significant signals |
| 04/16/1997 | EP0632947A4 Method and apparatus of adaptive maximum likelihood sequence estimation using filtered correlation synchronization. |
| 04/16/1997 | EP0418885B1 Digital data transmitting apparatus |
| 04/16/1997 | CN1147883A Method of error protected transmission, method of error protected reception of data and transmission system for transmission of data |
| 04/15/1997 | US5621764 Soft decision signal outputting receiver |
| 04/15/1997 | US5621761 Rotationally invariant trellis coding incorporating transparent binary convolutional codes |
| 04/15/1997 | US5621467 Temporal-spatial error concealment apparatus and method for video signal processors |
| 04/15/1997 | CA2084037C Apparatus for concealing error of moving pictures transform coding |
| 04/10/1997 | WO1997013328A1 Device and method for error correcting coding, and device and method for error correcting decoding |
| 04/10/1997 | WO1997013327A1 Viterbi co-processor and method of operation therefor |
| 04/09/1997 | EP0767539A2 Highly parallel cyclic redundancy code generator |
| 04/08/1997 | US5619540 Transmission system using block-coded or trellis-coded modulations, receiver and decoder for such a system |
| 04/08/1997 | US5619539 Data detection methods and apparatus for a direct access storage device |
| 04/08/1997 | US5619533 Channel-independent equalizer device |
| 04/08/1997 | US5619516 Efficient CRC remainder coefficient generation and checking device and method |
| 04/08/1997 | US5619514 Integrated circuit for processing signals |
| 04/03/1997 | WO1997009789A3 Transmitter and receiver apparatus, method for transmitting and method for receiving and record carrier obtained by the method or the transmitter apparatus |
| 04/02/1997 | EP0766407A2 Method and apparatus for Reed-Solomon encoding an identification field using words of four bits |
| 04/02/1997 | EP0766246A1 Method for recording (sending)/reproducing (receiving) data, apparatus thereof, and data recording medium |
| 04/02/1997 | EP0766245A1 Data processing method for generating error correction product code block, data processing method for recording data in recording medium, and data processing device for data |
| 04/02/1997 | EP0624291B1 Error protection in a subband coder |
| 04/01/1997 | US5617432 Common error protection code for data stored as a composite of different data formats |
| 04/01/1997 | CA2062855C Cyclic redundancy check operating method and a head error checker synchronizing unit in an asynchronous transfer mode switching method |
| 03/27/1997 | WO1997011544A1 Apparatus and method for noise-predictive maximum-likelihood (npml) detection |
| 03/27/1997 | WO1997011542A2 Process and circuit for processing useful data |
| 03/27/1997 | WO1997011530A1 Method and device for decoding burst error of reed-solomon code |
| 03/26/1997 | CN1146266A Picture information encoding/decoding system |
| 03/26/1997 | CN1146102A Information transmission system utilizing at least two channels in redundancy mode |
| 03/25/1997 | US5615231 Fast automatic gain control |
| 03/25/1997 | US5615223 PPM decoder utilizing drop-out location information |
| 03/25/1997 | US5615221 Method and system which selectively uses different levels of error correction to achieve high data throughput |
| 03/25/1997 | US5615220 Polynomial divider which can perform Euclid's Algorithm to produce an error locator polynomial from an error syndrome polynomial, and apparatus including the polynomial divider |
| 03/25/1997 | US5614958 Image processing apparatus which conceals image data in accordance with motion data |
| 03/25/1997 | US5614953 Image signal decoding apparatus having an encoding error compensation |
| 03/19/1997 | EP0763948A2 Video data storing device |
| 03/19/1997 | EP0763901A2 A trellis demapper of a convolutional decoder |
| 03/19/1997 | EP0763284A1 Encoding/interleaving method and corresponding deinterleaving/ decoding method |
| 03/19/1997 | EP0763283A1 Data transmission system, data recording and reproducing apparatus and recording medium each having data structure of error correcting code |
| 03/19/1997 | EP0763239A1 Recording medium, data transmission method and apparatus, and data reproduction method and apparatus |
| 03/19/1997 | CN1145492A Bar code encoding system using four-state codes |
| 03/18/1997 | US5612974 Convolutional encoder for use on an integrated circuit that performs multiple communication tasks |
| 03/18/1997 | US5612910 Circuit for inverting elements of a finite field |
| 03/18/1997 | US5612694 Encoding data |
| 03/13/1997 | WO1997009789A2 Transmitter and receiver apparatus, method for transmitting and method for receiving and record carrier obtained by the method or the transmitter apparatus |
| 03/13/1997 | WO1997000564A3 Communication system for superimposing data onto a video signal |
| 03/12/1997 | EP0762659A2 Convolutional decoder using the Viterbi algorithm |
| 03/12/1997 | CN1145147A Decoding method |
| 03/12/1997 | CN1145131A A method and device for use with helical scan data recording by implementing a Reed-Solomon product code, a unitary medium comprising such data, and a cassette tape comprising such medium |
| 03/11/1997 | US5610929 Multibyte error correcting system |
| 03/06/1997 | WO1997008864A1 Forward error correction method using repeated data words |
| 03/06/1997 | WO1997008861A1 Apparatus and method for digital data transmission |
| 03/06/1997 | WO1997008853A1 Communication system using repeated data selection |
| 03/06/1997 | WO1997008836A1 Bit-interleaved rate 16/17 modulation code with three-way byte-interleaved ecc |
| 03/06/1997 | WO1997008613A1 A galois field polynomial multiply/divide circuit and a digital signal processor incorporating same |
| 03/06/1997 | CA2230132A1 Bit-interleaved rate 16/17 modulation code with three-way byte-interleaved ecc |
| 03/05/1997 | EP0760182A1 Method of error protected transmission, method of error protected reception of data and transmission system for transmission of data |
| 03/05/1997 | EP0522123B1 Method and apparatus for providing adjustable error correction |
| 03/05/1997 | CN1144442A Radio communication system using TDD mode |
| 03/04/1997 | US5608740 Error correcting method |
| 03/04/1997 | US5608739 Apparatus and method for error detection and correction in radio frequency identification device |
| 03/04/1997 | US5608738 Packet transmission method and apparatus |
| 03/04/1997 | US5608737 Maximum likelihood decoder and decoding method |
| 03/04/1997 | US5608397 Method and apparatus for generating DC-free sequences |
| 02/26/1997 | EP0759665A1 Method for interleaving data frames, forward error correcting device and modulator including such a device |
| 02/25/1997 | US5606569 Error correcting decoder and decoding method for receivers in digital cellular communication systems |