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