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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03/07/1991 | DE4022396A1 Matching ADC output to computing system input - converts binary ADC output signal into two's complement form with doubled resolution |
03/07/1991 | DE3928676A1 Schaltung zur erkennung eines nutzsignals in einem binaeren signal Circuit for detecting a useful signal in a binary signal |
03/06/1991 | WO1991003880A1 Improved data compression apparatus |
03/06/1991 | EP0415675A2 Constrained-stochastic-excitation coding |
02/28/1991 | DE3924927A1 Dual code converter circuit - has two decadic branch circuits in input section, and one such circuit in output section |
02/28/1991 | DE3923348A1 Electronic code converter circuit - has decadic branch circuit in output stage, without correction circuit for adding correction digit of 6. |
02/28/1991 | DE3922786A1 Code conversion circuit for binary digits - has single decadic branch circuit in input stage |
02/28/1991 | DE3920502A1 Electronic code conversion circuit for digital prods. - has no correction circuit and no branch circuit in output stage |
02/27/1991 | EP0414368A2 Method and apparatus for data and forward error correction coding for low DC-offset and short run length |
02/27/1991 | EP0414193A2 Adaptive quantization coder/decoder |
02/27/1991 | EP0414113A2 Method for movement compensation in a moving-image encoder or decoder |
02/27/1991 | EP0216813B1 Data transmission |
02/27/1991 | CN1049580A Data and forward error control coding techniques for digital signals |
02/26/1991 | US4996527 Pipelined residue to mixed base converter and base extension processor |
02/24/1991 | WO1991003128A1 Control system for encoding image |
02/20/1991 | EP0413570A2 Picture data compression |
02/20/1991 | EP0413076A1 Data coding for fast start-up of PRML receivers |
02/20/1991 | EP0413017A1 Process and device for compressing data designed for the compatible decoding of a group of television signals with an increasing degree of resolution. |
02/20/1991 | CN1049431A Coding program-controlled circuit |
02/19/1991 | US4995036 Multichannel data compressor |
02/12/1991 | US4992954 Method of storing character patterns and character pattern utilization system |
02/10/1991 | WO1991002412A1 Apparatus for run and string data compression |
02/06/1991 | EP0412047A1 Method and system for arithmetic coding and decoding |
02/06/1991 | EP0411692A2 Last-in first-out memory and data repacker for use therein |
02/06/1991 | EP0411675A2 Interframe coding apparatus |
02/06/1991 | EP0411655A2 Vector quantization encoder and vector quantization decoder |
02/06/1991 | EP0411504A2 Digital signal processing circuit |
02/06/1991 | EP0411264A2 Compression method |
02/05/1991 | US4991214 Speech coding using sparse vector codebook and cyclic shift techniques |
02/05/1991 | US4990910 Variable length code conversion system |
01/30/1991 | EP0410060A2 Entropy encoder/decoder including a context extractor |
01/30/1991 | EP0242258B1 Device for the execution of an algorithm (leroux-gueguen) for the coding of a signal by linear prediction |
01/30/1991 | CN1011459B Method of and circuit arrangement for bitrute reduction |
01/30/1991 | CN1011455B Bandwidth limiting ciruit with variable bandwidth |
01/29/1991 | US4989264 Bandwidth limiting circuit with variable bandwidth |
01/29/1991 | US4989246 Adaptive differential, pulse code modulation sound generator |
01/29/1991 | US4989000 Data string compression using arithmetic encoding with simplified probability subinterval estimation |
01/29/1991 | US4988998 Data compression system for successively applying at least two data compression methods to an input data stream |
01/23/1991 | EP0409248A2 Signal encoding apparatus |
01/23/1991 | EP0409239A2 Speech coding/decoding method |
01/23/1991 | EP0397686A4 Apparatus for efficiently packing data in a buffer |
01/23/1991 | EP0145788B1 Method and apparatus for transmitting digital signal |
01/22/1991 | CA1279405C Data compression using block list transform |
01/18/1991 | CA2021072A1 Data and forward error control coding techniques for digital signals |
01/17/1991 | DE3922787A1 Multiplier circuit containing dual multiplier and code converter - has only one correction circuit and partial direct result circuit in input stage |
01/17/1991 | DE3920897A1 Binary coded decimal circuit displaying up to 81 - uses only two full full adder circuits, three half adders and common gate circuit |
01/15/1991 | US4985923 High efficiency voice coding system |
01/15/1991 | US4985866 Compound semiconductor memory device having redundant circuit configuration |
01/15/1991 | US4985701 Time-division bit number conversion circuit |
01/15/1991 | US4985700 Variable-length coding/decoding device |
01/10/1991 | WO1991000652A1 Process and device for coding a sequence of elements |
01/10/1991 | WO1990013182A3 Digital coding process |
01/09/1991 | EP0406508A1 Device for reducing the redundancy in blocks of digital video data in DCT encoding |
01/09/1991 | EP0406507A1 Block coding scheme for fractional-bit transmission |
01/09/1991 | CN1048461A Recording and reproducing device |
01/08/1991 | US4983966 High-speed universal scaler |
01/08/1991 | CA1278867C Method of and a device for digital signal coding by vector quantization |
01/02/1991 | EP0405885A1 Recording device and reproducing device |
01/02/1991 | EP0405836A2 Data encoding and demodulation system |
01/02/1991 | EP0405824A2 Decoding apparatus for digital signals |
01/02/1991 | EP0405591A2 Varaible length block coding with changing characteristics of input samples |
01/02/1991 | EP0405584A2 Gain-shape vector quantization apparatus |
01/02/1991 | EP0405572A2 Voice coding/decoding system |
01/01/1991 | US4982285 Apparatus for adaptive inter-frame predictive encoding of video signal |
12/28/1990 | CA2016957A1 Data encoding and demodulation system |
12/27/1990 | EP0404535A2 Bandwidth compression device |
12/27/1990 | CA2019079A1 Decoding apparatus for digital signal |
12/19/1990 | EP0403154A2 Vector quantizer search arrangement |
12/19/1990 | EP0403000A1 Television signal encoding |
12/19/1990 | EP0402742A2 Noise shaping requantization circuit |
12/18/1990 | US4979187 Predictive coding device |
12/18/1990 | US4979039 For data compression of a signal represented by binary signal vectors |
12/18/1990 | CA1278096C High efficiency coding apparatus |
12/13/1990 | WO1990015505A1 Frame-to-frame compression of vector quantized signals and other post-processing |
12/13/1990 | WO1990015485A1 Nearest neighbor search algorithm and its application to vector quantization |
12/13/1990 | DE3919171A1 Dual-8421-code change circuit - has extra branch circuit for digit 10 branching already in input region when a value 4 appears twice |
12/12/1990 | EP0402149A2 Coding device |
12/12/1990 | EP0402058A2 Predictive decoding device correcting code errors |
12/12/1990 | EP0402016A2 Encoding/decoding in the decomposition and recomposition of a high resolution image |
12/12/1990 | EP0152473B1 facsimile device for run length coding |
12/12/1990 | CN1010825B Method and apparatus for channelized serial transmission of redundantly encoded binary data |
12/11/1990 | CA1277786C Optical signal processing |
12/05/1990 | EP0400913A2 Adaptive probability estimator for entropy encoding/decoding |
12/05/1990 | EP0400755A1 Digital transmission system using subband coding of a digital signal |
12/05/1990 | EP0400729A2 Improved circuit for performing the S-transform |
12/05/1990 | EP0400551A2 Coded transmission system with initializing sequence |
12/05/1990 | EP0400473A2 Digital signal processing apparatus |
12/05/1990 | EP0400222A1 Digital transmission system using subband coding of a digital signal |
12/04/1990 | US4975698 For use in an analog-to-digital converter |
11/29/1990 | WO1990014719A1 Process for transmitting a signal |
11/29/1990 | DE3909044A1 Multiplication circuit |
11/28/1990 | EP0399487A2 Transformation coding device |
11/27/1990 | US4974235 Method of adaptive quantization in differential pulse code modulation and a system for transmitting quantized data |
11/27/1990 | US4974078 Digital compression method and system with improved coding efficiency |
11/27/1990 | US4973973 Code converter and encoder for converting a unipolar binary coded signal into a bipolar binary coded signal |
11/27/1990 | US4973961 Method and apparatus for carry-over control in arithmetic entropy coding |
11/22/1990 | EP0397686A1 Apparatus for efficiently packing data in a buffer. |
11/20/1990 | US4972484 Method of transmitting or storing masked sub-band coded audio signals |
11/20/1990 | US4972483 Speech processing system using adaptive vector quantization |
11/20/1990 | US4972380 Decoding circuit for functional block |