| 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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| 05/22/1979 | US4156111 Apparatus for transition between network control and link control |
| 05/15/1979 | US4155070 Code-converter with preservation of parity |
| 05/01/1979 | US4152697 Parallel run-length decoder |
| 05/01/1979 | US4152582 Compaction/expansion logic |
| 04/24/1979 | US4151421 Method for compressing pattern data and data compression processing circuit for radiant beam exposure apparatuses |
| 04/17/1979 | US4150400 Methods of a coarse-scan/fine-print character reproduction with compression |
| 04/10/1979 | US4149142 Signal transmission system with an error control technique |
| 04/10/1979 | US4148434 Method of producing a binary code and means for using the same |
| 03/27/1979 | US4146909 Sync pattern encoding system for run-length limited codes |
| 03/20/1979 | US4145686 Data compressor |
| 03/20/1979 | US4145622 Decoder circuit arrangement with MOS transistors |
| 03/13/1979 | US4144547 Apparatus and method for encoding halftone and line copy data |
| 03/06/1979 | US4143359 Decoder circuit |
| 02/27/1979 | US4142071 Quantizing process with dynamic allocation of the available bit resources and device for implementing said process |
| 02/20/1979 | US4141005 Data format converting apparatus for use in a digital data processor |
| 02/20/1979 | US4140924 Logic CMOS transistor circuits |
| 02/06/1979 | CA1048178A1 Digital multiplexing |
| 01/30/1979 | CA1047606A1 System comprising an integrating digital signal processing device |
| 01/16/1979 | US4134536 Electronic data processing equipment |
| 12/19/1978 | US4130886 Circuit for rearranging word bits |
| 12/19/1978 | US4130768 Low power true/complement driver |
| 12/19/1978 | CA1044810A1 Position measurement apparatus |
| 12/12/1978 | US4129751 PCM data throttle |
| 12/05/1978 | US4128832 Combined encoder/decoder |
| 11/14/1978 | US4125832 Digital information conversion system |
| 11/07/1978 | US4124778 Digital frame synchronizing circuit |
| 10/24/1978 | US4122440 Method and means for arithmetic string coding |
| 10/17/1978 | US4121259 Method for digital run-length coding with redundance reduction for transmission of binarily coded picture informations |
| 10/10/1978 | US4119961 CCD Binary-to-Gray code generator |
| 09/26/1978 | US4117470 Data bit compression system |
| 09/19/1978 | US4115815 Facsimile signal coding method |
| 09/19/1978 | US4115768 Sequential encoding and decoding of variable word length, fixed rate data codes |
| 09/12/1978 | CA1038499A1 Apparatus for data compression encoding and decoding |
| 08/29/1978 | CA1037607A2 Retrospective pulse modulation and apparatus therefor |
| 08/29/1978 | CA1037599A1 Time-division pulse-multiplex digital electric signal switching circuit arrangement |
| 08/22/1978 | CA1037168A1 Device for converting an incoming analog signal into an outgoing pcm signal |
| 08/15/1978 | US4107457 Transfer terminal with library phrase memory |
| 08/08/1978 | US4106053 Digital sampling rate conversion of color TV signal |
| 07/18/1978 | US4101881 Multiple state responsive delta-sigma converter and delay line |
| 07/04/1978 | US4099257 Markov processor for context encoding from given characters and for character decoding from given contexts |
| 07/04/1978 | US4099162 Decoder circuit |
| 07/04/1978 | US4099122 Transmission system by means of time quantization and trivalent amplitude quantization |
| 06/13/1978 | US4095283 First in-first out memory array containing special bits for replacement addressing |
| 06/06/1978 | US4093942 Matrix circuits |
| 05/23/1978 | US4091359 Modular logic circuit utilizing charge-storage transistors |
| 05/02/1978 | US4087811 Threshold decoder |
| 05/02/1978 | US4087754 Digital-to-analog converter for a communication system |
| 05/02/1978 | US4087044 Circuit arrangement for monitoring the function of a dynamic decoder circuit |
| 04/18/1978 | US4085288 Phase locked loop decoder |
| 04/11/1978 | US4084258 Apparatus for performing multiple operations in a shift register memory |
| 04/04/1978 | CA1029103A1 Analog signal sample amplifier with automatic gain control and error compensation |
| 03/28/1978 | US4081859 Electronic calculator for feet-inch-fraction numerics |
| 03/28/1978 | US4081790 Code converter |
| 03/07/1978 | US4078258 System for arranging and sharing shift register memory |
| 02/21/1978 | US4075622 Variable-to-block-with-prefix source coding technique |
| 02/14/1978 | US4074254 Xy addressable and updateable compressed video refresh buffer for digital tv display |
| 01/17/1978 | US4069478 Binary to binary coded decimal converter |
| 12/20/1977 | US4064489 Apparatus for searching compressed data file |
| 12/06/1977 | US4062014 Natural binary to logarithmic binary conversion device with means for range selection |
| 12/06/1977 | US4062013 Non-linear type digital-to-analog converter |
| 11/29/1977 | US4060837 Variable cell width recording |
| 11/08/1977 | US4057797 All digital delta to PCM converter |
| 11/01/1977 | US4056809 Fast table lookup apparatus for reading memory |
| 10/25/1977 | US4055841 Optical Gray to binary code converter |
| 10/18/1977 | US4054951 Data expansion apparatus |
| 10/11/1977 | US4053930 Method and device for coding compressing video information |
| 09/27/1977 | US4051470 Process for block quantizing an electrical signal and device for implementing said process |
| 09/27/1977 | US4051457 System for generating a character pattern |
| 09/27/1977 | US4051358 Apparatus and method for composing digital information on a data bus |
| 09/27/1977 | US4051356 Keyboard controlled data converter |
| 09/20/1977 | US4049910 Digital signal transmission system |
| 09/13/1977 | US4048443 Digital speech communication system for minimizing quantizing noise |
| 08/23/1977 | US4044347 Variable-length to fixed-length conversion of minimum-redundancy codes |
| 08/23/1977 | US4044306 Digital converter from pulse code modulation to continuous variable slope delta modulation |
| 08/16/1977 | US4042915 MOS dynamic random access memory having an improved address decoder circuit |
| 08/02/1977 | US4040049 Tandem block digital processor for use with nonuniformly encoded digital data |
| 07/26/1977 | US4038652 Digital communications line terminal compacter/expander |
| 07/19/1977 | US4037226 Pulse code modulation compressor |
| 07/19/1977 | US4037196 Gearshift position indicator |
| 07/12/1977 | US4035724 Digital converter from continuous variable slope delta modulation to pulse code modulation |
| 07/05/1977 | US4034350 Information-transmitting apparatus |
| 06/28/1977 | US4032914 Analog to digital converter with noise suppression |
| 06/28/1977 | US4032913 Coding equipment providing compressed code |
| 06/21/1977 | US4031516 Transmission data processing device |
| 06/21/1977 | US4031515 Apparatus for transmitting changeable length records having variable length words with interspersed record and word positioning codes |
| 06/21/1977 | US4031511 CMOS comparator |
| 06/14/1977 | US4030093 Reversible code compander |
| 06/14/1977 | US4029970 Changeable decoder structure for a folded logic array |
| 06/07/1977 | US4028731 Apparatus for compression coding using cross-array correlation between two-dimensional matrices derived from two-valued digital images |
| 06/07/1977 | US4028672 Rewritable bubble domain decoder |
| 06/07/1977 | US4028535 Apparatus and method for generating a data code with a spectral null |
| 05/31/1977 | US4027335 DC free encoding for data transmission system |
| 05/31/1977 | US4027285 Decode circuitry for bipolar random access memory |
| 05/31/1977 | US4027174 Dynamic decoder circuit |
| 05/24/1977 | US4025799 Decoder structure for a folded logic array |
| 05/03/1977 | US4021782 Data compaction system and apparatus |
| 05/03/1977 | US4021652 Incrementally adjustable digital attenuator/amplifier |
| 05/03/1977 | US4021616 Interpolating rate multiplier |
| 04/26/1977 | US4020332 Interpolation-decimation circuit for increasing or decreasing digital sampling frequency |
| 04/05/1977 | US4016560 Fractional binary to decimal converter |