| Patents for H03M 7 - Conversion of a code where information is represented by a given sequence or number of digits to a code where the same information is represented by a different sequence or number of digits (33,242) |
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| 02/20/1992 | WO1992002989A1 Compounds adaptive data compression system |
| 02/19/1992 | EP0471518A1 Data compression method and apparatus |
| 02/19/1992 | EP0471130A1 Coding method and apparatus for pipelined and parallel processing |
| 02/18/1992 | US5089889 Apparatus for inter-frame predictive encoding of video signal |
| 02/18/1992 | US5089818 Method of transmitting or storing sound signals in digital form through predictive and adaptive coding and installation therefore |
| 02/12/1992 | EP0470798A2 Dictionary searching system |
| 02/12/1992 | EP0470793A2 Digital signal orthogonal transformer apparatus |
| 02/12/1992 | EP0470773A2 Orthogonal transform coding apparatus |
| 02/12/1992 | EP0470110A1 Signal-processing system for digital signals. |
| 02/12/1992 | CN1058689A Data compression using feedforward quantization estimator |
| 02/11/1992 | US5087913 Short-record data compression and decompression system |
| 02/11/1992 | CA2047941A1 Assembly and method for binary tree-searched vector quantisation data compression processing |
| 02/11/1992 | CA1295735C Bipmos decoder circuit |
| 02/05/1992 | EP0469841A1 Data round-off device |
| 02/05/1992 | EP0469648A2 Data compression using a feedforward quantization estimator |
| 02/04/1992 | US5086471 Gain-shape vector quantization apparatus |
| 02/04/1992 | US5086436 Coded transmission system with initializing code |
| 01/29/1992 | EP0468910A2 Dynamic data compression utilization method and system |
| 01/29/1992 | EP0468656A1 Digital signal modulator |
| 01/28/1992 | US5084904 Signal transmission device |
| 01/23/1992 | WO1992001349A1 DEMODULATOR FOR AN m/n-CODE |
| 01/22/1992 | EP0467678A2 Variable length coding apparatus and variable length decoding apparatus |
| 01/22/1992 | EP0467054A2 Coding and decoding methods for a picture signal using overlapping blocks having variable block sizes and apparatuses therefor |
| 01/22/1992 | EP0467040A2 Adaptive motion compensation for digital television |
| 01/15/1992 | EP0466190A2 Quantizing error reducer for audio signal |
| 01/15/1992 | CN1015307B Sigma-delta modulator for d-to-a converter |
| 01/14/1992 | US5081533 Method and apparatus for encoding a television signal according to a number of processing operations providing different distributions of spatial and/or temporal resolution |
| 01/14/1992 | US5081450 Apparatus and method for compressing and expanding multibit digital pixel data |
| 01/09/1992 | DE4021343A1 Demodulator fuer einen m/n-code Demodulator for an m / n code |
| 01/08/1992 | EP0464191A1 Compressed data access. |
| 01/07/1992 | US5079551 ΔΣ digital-to-analog converter with bit grouping by significance for reducing feedback computation time |
| 01/07/1992 | US5079548 Data packing circuit in variable length coder |
| 01/07/1992 | US5079547 Method of orthogonal transform coding/decoding |
| 01/07/1992 | CA1294072C Speech processing system |
| 12/31/1991 | US5077798 Method and system for voice coding based on vector quantization |
| 12/31/1991 | US5077760 Encoding method adapted to the recognition of synchronization works in sequences of variable length encoded words |
| 12/31/1991 | US5077721 Data recording and/or reproducing method and data recording medium |
| 12/31/1991 | US5077495 Row decoder for a semiconductor memory device with fast turn-off |
| 12/31/1991 | CA1293828C P c m signal coding |
| 12/31/1991 | CA1293803C Data compaction method for microprocessor cards |
| 12/30/1991 | CA2044051A1 System and method for error detection and reducing simultaneous switching noise |
| 12/27/1991 | EP0462760A2 Code page identification system |
| 12/27/1991 | EP0462559A2 Speech coding and decoding system |
| 12/27/1991 | EP0462558A2 Speech coding system |
| 12/27/1991 | EP0462363A2 Apparatus and method for very high data rate-compression incorporating lossless data compression and expansion |
| 12/24/1991 | CA1293569C Method of and device for speech signal coding and decoding by subbband analysis and vector quantization with dynamic bit allocation |
| 12/19/1991 | CA2038414A1 Apparatus and method for very high data rate-compression incorporating lossless data compression and expansion |
| 12/17/1991 | US5073821 Orthogonal transform coding apparatus for reducing the amount of coded signals to be processed and transmitted |
| 12/17/1991 | US5073776 Data modulating system |
| 12/15/1991 | CA2018929A1 Code page identification system |
| 12/12/1991 | DE4018133A1 Decoder for data stream with data words of same width - has series-connected parallel registers, with first register, receiving data word of constant width |
| 12/11/1991 | EP0460353A2 Symmetrical ratio decoders for binary division |
| 12/11/1991 | EP0460188A1 High speed compression of imagery data |
| 12/10/1991 | US5072302 System for reducing the information transmitted in the variable length encoding of numerical data blocks with encoding of values and string lengths |
| 12/10/1991 | US5072295 Adaptive quantization coder/decoder with limiter circuitry |
| 12/10/1991 | US5072219 Digital-analog conversion system including a digital modulator having several quantification levels, associated with a digital-analog converter |
| 12/05/1991 | DE4017447A1 Converting code words for high speed transmission - using circuit to provide intermediate data words before conversion into data words of equal width |
| 12/04/1991 | EP0187812B1 Data compression apparatus |
| 12/03/1991 | CA1292806C Sigma-delta modulator for d-to-a converter |
| 11/28/1991 | WO1991018361A1 Method and apparatus for encoding and decoding using wavelet-packets |
| 11/27/1991 | EP0458645A2 Subband digital signal encoding apparatus |
| 11/27/1991 | EP0458490A2 Look-ahead for coded signal processing channels |
| 11/27/1991 | EP0458210A2 Method and apparatus for cryptographic transcoding of messages |
| 11/27/1991 | EP0198924B1 Signal processing system |
| 11/26/1991 | US5068895 Encryption and decryption methods using bit-length preservation decryptor |
| 11/26/1991 | US5068724 Adaptive motion compensation for digital television |
| 11/26/1991 | US5068723 Frame or sub-frame rate adaptive vector quantizer for moving images |
| 11/26/1991 | CA2043133A1 Digital signal encoding device |
| 11/26/1991 | CA1292589C Signal compression circuit, particularly for a telephone set |
| 11/21/1991 | EP0457391A1 Encoding method and encoding system comprising a subband coder, and a transmitter comprising an encoding system |
| 11/21/1991 | EP0457390A1 Encoding system comprising a subband coder, and a transmitter comprising an encoding system |
| 11/21/1991 | EP0456893A2 Data compression method |
| 11/21/1991 | EP0393087A4 A bit string compressor with boolean operation processing capability |
| 11/19/1991 | US5067152 Method and apparatus for vector quantization |
| 11/19/1991 | US5066952 Non-linear data conversion system for dynamic range digital signal processing |
| 11/13/1991 | EP0455743A1 Method and apparatus for vector quantization |
| 11/13/1991 | EP0455738A1 Low bit rate transform coder, decoder and encoder/decoder for high-quality audio. |
| 11/12/1991 | WO1991018477A1 A hierarchical entropy coded lattice threshold quantization encoding method and apparatus for image and video compression |
| 11/12/1991 | CA2082641A1 Hierarchical entropy coded lattice threshold quantization encoding method and apparatus for image and video compression |
| 11/12/1991 | CA1292070C Arithmetic coding data compression/de-compression by selectively employed, diverse arithmetic coding encoders and decoders |
| 11/06/1991 | CN1056030A Communication scheme of chinese-character syllable encode |
| 11/05/1991 | CA1291829C Data compression method |
| 11/05/1991 | CA1291824C Adpcm encoding and decoding circuits |
| 11/05/1991 | CA1291823C High efficiency technique for coding a digital video signal |
| 11/05/1991 | CA1291821C Arithmetic coding encoder and decoder system |
| 11/05/1991 | CA1291820C Probability estimation based on decision history |
| 10/31/1991 | WO1991017604A1 Multiaccumulator sigma-delta fractional-n synthesis |
| 10/31/1991 | WO1991016769A1 Adaptive-block-length, adaptive-transform, and adaptive-window transform coder, decoder, and encoder/decoder for high-quality audio |
| 10/31/1991 | WO1991016710A1 Transmission process for a binary signal |
| 10/30/1991 | EP0454234A2 Processing picture signals |
| 10/30/1991 | EP0453828A2 Improved data compression system and method |
| 10/30/1991 | EP0453552A1 Digital compression method and system with improved coding efficiency |
| 10/30/1991 | CN1055830A Adaptive-block-lenght, adaptive-transform, and adaptive-window transform coder, decoder, and encoder/decoder for high-quality audio |
| 10/29/1991 | US5062152 Pcm signal coding |
| 10/29/1991 | US5062125 Statistic coding arrangement for producing code words comprising a variable number of bits |
| 10/29/1991 | US5061925 Phase equalization system for a digital-to-analog converter utilizing separate digital and analog sections |
| 10/29/1991 | US5061924 Efficient vector codebook |
| 10/29/1991 | CA1291561C Asymmetric rll coding |
| 10/23/1991 | EP0453282A2 Digital subband encoding apparatus |
| 10/23/1991 | EP0453113A1 Coding and decoding apparatus of variable length date |