| 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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| 01/06/1994 | CA2115445A1 Device for and method of continuing bit errors and device for and method of identifying signals |
| 01/05/1994 | EP0577212A1 Adaptive viterbi detector |
| 01/04/1994 | US5276827 Data buffer for the duration of cyclically recurrent buffer periods |
| 01/04/1994 | US5276708 Coding method for reducing the D.C. component in the data stream of a digital signal |
| 12/29/1993 | EP0575997A2 Digital video cassette recorder signal processing apparatus |
| 12/29/1993 | EP0575422A1 Error burst detection. |
| 12/29/1993 | CN1080104A Qam signal encoding/decoding system |
| 12/23/1993 | WO1993026106A1 Maximum likelihood sequence estimating device and method therefor |
| 12/23/1993 | WO1993026105A1 Improved trellis coding technique to increase adjacent channel interference protection ratio in land mobile radio systems under peak power constraints |
| 12/23/1993 | WO1993026099A1 Method of detecting errors in digitized data-reduced audio and data signals |
| 12/23/1993 | CA2113919A1 Maximum likelihood sequence estimator and maximum likelihood sequence estimation method |
| 12/22/1993 | EP0574938A2 System for detecting non-coincidence of codes |
| 12/22/1993 | CN1023280C Digital transmission system using subband coding of digital signal |
| 12/21/1993 | US5272727 Adaptive maximum likelihood sequence estimator using channel estimators of respective order of impulse response |
| 12/21/1993 | US5272706 In a viterbi decoder |
| 12/21/1993 | US5272478 Method and apparatus for entropy coding |
| 12/21/1993 | CA2010825C Error correcting coder-decoder for a digital transmission installation |
| 12/16/1993 | DE4219400A1 Verfahren für die Fehlererkennung digitalisierter, datenreduzierter Ton- und Datensignale Method for error detection digitized, data-reduced audio and data signals |
| 12/15/1993 | EP0573621A1 Novel device and method for precoding |
| 12/15/1993 | EP0506761A4 Direct access storage device with independently stored parity |
| 12/14/1993 | US5271022 Digital optical sound system |
| 12/14/1993 | US5271021 Digital optical sound system |
| 12/14/1993 | US5271016 Shift-correcting code system with efficient symbol-to-channel bit transformation |
| 12/14/1993 | US5271012 Method and means for encoding and rebuilding data contents of up to two unavailable DASDs in an array of DASDs |
| 12/09/1993 | WO1993025034A1 Qam signal encoding/decoding system |
| 12/07/1993 | US5268908 Low data delay triple coverage code apparatus for on-the-fly error correction |
| 12/07/1993 | CA2003717C Method for establishing an inverted pilot sequence for undoing the interleaving in a digital transmission |
| 12/07/1993 | CA2003716C Digital transmission device interleaving process |
| 12/02/1993 | DE4217309A1 Transmission signal for binary data esp. for video tape recording - has table assembled so that with help of additional bit minimum and maximum run length in NRZI signal are maintained |
| 12/01/1993 | EP0572206A2 Coding method for correction and detection of skewed transitions in parallel asynchronous communication systems |
| 12/01/1993 | EP0169908B1 Method and circuit for decoding error coded data |
| 11/30/1993 | US5267249 Device and method for asynchronous cyclic redundancy checking for digital receivers |
| 11/30/1993 | US5267248 Method and apparatus for selecting an optimum error correction routine |
| 11/30/1993 | US5267244 Method and an apparatus for establishing the functional capabilities for wireless communications between a base unit and a remote unit |
| 11/24/1993 | EP0571350A2 Improved system and method for decoding tail-biting code especially applicable to digital cellular base stations and mobile units |
| 11/24/1993 | EP0571096A2 Data processing apparatus |
| 11/24/1993 | EP0571019A2 Extended error protected communication system |
| 11/24/1993 | EP0570648A1 Apparatus for generating and checking the error correction codes of messages in a message switching system |
| 11/24/1993 | EP0484412B1 Process and device for the decoding of a shortened cyclic binary code using error correction |
| 11/24/1993 | CN1078838A Carrier recovery processor for a qam television signal |
| 11/23/1993 | US5265105 Decoding circuit for inhibiting error propagation |
| 11/21/1993 | CA2095368A1 System and method for decoding tail-biting code especially applicable to digital cellular base stations and mobile units |
| 11/18/1993 | EP0570216A2 Carrier recovery processor for a QAM television signal |
| 11/18/1993 | EP0570214A2 Video signal recording/reproduction apparatus |
| 11/18/1993 | EP0569716A2 De-interleave circuit for regenerating digital data |
| 11/16/1993 | US5263052 Viterbi equalizer for radio receiver |
| 11/16/1993 | US5263051 Device and method of interleaving for a trellis precoding system |
| 11/16/1993 | US5263033 Joint data and channel estimation using fast blind trellis search |
| 11/16/1993 | US5263030 Method and apparatus for encoding data for storage on magnetic tape |
| 11/16/1993 | US5263026 Maximum likelihood sequence estimation based equalization within a mobile digital cellular receiver |
| 11/16/1993 | CA1324437C Method and apparatus for encoding magnetic disk sector addresses |
| 11/11/1993 | WO1993022873A1 Reception process for teletext data |
| 11/11/1993 | WO1993022854A1 Radio communication modem for receiving and estimating a transmitted symbol |
| 11/11/1993 | WO1993022853A1 Optimum estimation of data and parameters for communication systems |
| 11/11/1993 | DE4214750A1 Verfahren zum Empfangen von Teletextdaten A method for receiving teletext data |
| 11/09/1993 | US5260976 Preamble recognition and synchronization detection in partial-response systems |
| 11/09/1993 | US5260971 Apparatus and methods employing distribution preserving tomlinson precoding in transmission of digital data signals |
| 11/09/1993 | US5260951 Digital data communication system |
| 11/09/1993 | US5260917 Signal reproduction apparatus |
| 11/03/1993 | EP0567799A1 Apparatus for data reception |
| 11/02/1993 | US5259003 Method of encoding two digital data signals |
| 11/02/1993 | US5258995 Wireless communication system |
| 11/02/1993 | US5258987 Multilevel coding using trellis-coded modulation and reed-solomon codes |
| 10/31/1993 | CA2094462A1 Maximum likelihood convolutional decoder |
| 10/28/1993 | WO1993021710A1 Coordinated coding for digital transmission |
| 10/27/1993 | EP0567148A2 Operating circuit for galois field |
| 10/27/1993 | EP0567144A2 Disk control system |
| 10/26/1993 | US5257272 Time-varying modulo N trellis codes for input restricted partial response channels |
| 10/26/1993 | US5257271 Sample data transmission apparatus |
| 10/26/1993 | US5257270 Shift-correction code rate-enhancing parity encoding/decoding |
| 10/26/1993 | US5257263 Circuit for decoding convolutional codes for executing the survivor path storage and reverse scanning stage of a Viterbi algorithm |
| 10/20/1993 | EP0566331A2 Coded modulation using a combination of convolutional and block codes |
| 10/20/1993 | EP0566330A2 Multilevel coding using trellis-coded modulation and reed-solomon codes |
| 10/20/1993 | EP0566215A2 Error correction apparatus |
| 10/20/1993 | EP0365634B1 Method and apparatus for encoding consisting of forming a codeword by combining a first code sequence with a second code sequence |
| 10/19/1993 | US5255272 Predictive tape drive error correction apparatus |
| 10/19/1993 | US5255136 High capacity submicro-winchester fixed disk drive |
| 10/19/1993 | US5255128 Apparatus for detecting digital data |
| 10/19/1993 | US5255127 Digital modulated signal demodulator/decoder apparatus |
| 10/19/1993 | CA1323456C Transmission error protection for tdma digital channels |
| 10/13/1993 | EP0214235B1 Error detection and concealment using predicted signal values |
| 10/06/1993 | EP0564283A2 Miller-squared decoder with erasure flag output |
| 10/06/1993 | EP0563491A1 Method and apparatus for implementing a triple error detection and double error correction code |
| 10/06/1993 | CN1077070A Error detection system |
| 10/05/1993 | US5251217 Time-division multiplex information transmission system having a variable structure |
| 10/05/1993 | US5251215 Modifying check codes in data packet transmission |
| 10/01/1993 | WO1993020620A1 Error detection system |
| 09/30/1993 | WO1993019418A1 Method and apparatus for reduced-complexity viterbi-type sequence detectors |
| 09/30/1993 | DE4208995A1 Verfahren zum Übertragen oder Speichern digitalisierter mehrkanaliger Tonsignale A method of transmitting or storing digitized multi-channel audio signals |
| 09/29/1993 | EP0562875A1 Multiresolution QAM system |
| 09/29/1993 | EP0562758A2 Position identification and error handling in data recording disk file |
| 09/29/1993 | CN1076816A System of communication |
| 09/28/1993 | US5249169 Apparatus for reproducing information |
| 09/28/1993 | CA2089797A1 System for encoding and decoding of convoltionally encoded data |
| 09/28/1993 | CA1322601C Circuit for encoding and formatting data for rotating head recorders |
| 09/22/1993 | EP0560931A1 Methods for speech quantization and error correction |
| 09/21/1993 | US5247702 Method and an apparatus for establishing a wireless communication link between a base unit and a remote unit |
| 09/21/1993 | US5247579 Methods for speech transmission |
| 09/21/1993 | US5247524 Method for generating a checksum |
| 09/21/1993 | US5247523 Code error correction apparatus |