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)
06/1987
06/23/1987US4675809 Data processing system for floating point data having a variable length exponent part
06/23/1987US4675650 Run-length limited code without DC level
06/19/1987DE3536481A1 Tetrad adder in 5211 code
06/16/1987US4673987 Compressed block code for facsimile transmission
06/16/1987US4673977 Method of spatially thresholding a discrete color image
06/16/1987EP0225729A1 Image encoding and synthesis
06/16/1987EP0225488A2 Log encoding/decoding method
06/10/1987EP0225181A2 High efficiency coding apparatus
06/10/1987EP0224753A2 Probability adaptation for arithmetic coders
06/09/1987US4672679 In an information processing system
06/09/1987US4672670 Apparatus and methods for coding, decoding, analyzing and synthesizing a signal
06/09/1987US4672539 File compressor
06/09/1987US4672441 Method and apparatus for picture data reduction for digital video signals
06/09/1987US4672362 Binary data encoding and decoding process
06/09/1987US4672360 Apparatus and method for converting a number in binary format to a decimal format
06/03/1987CN86105497A Fixed-coefficient serial multiplication and digital circuits therefor
06/02/1987US4670797 Method of magnetically recording coded digital video signals and an apparatus therefor
05/1987
05/27/1987EP0222943A1 Variable word length encoder
05/27/1987EP0222942A1 Variable word length decoder
05/26/1987US4669093 PCM compression by encoding runs of zeroes
05/20/1987EP0222592A2 High efficiency technique for coding a digital video signal
05/20/1987EP0222084A2 Hierarchical test system architecture
05/19/1987CA1222059A1 Symmetrical adaptive data compression/decompression system
05/19/1987CA1222057A1 Dual channel partial response system
05/14/1987DE3530224A1 Code conversion for the conversion of a four-field code into decimal one-out-of-ten code
05/13/1987EP0221238A2 Error tolerant thermometer-to binary encoder
05/06/1987EP0220449A1 Circuit arrangement for transforming 2n global addresses used in a bus system with several participants into 2m local addresses used by one of the system participants
04/1987
04/30/1987DE3538134A1 Code-converting circuit for code conversion from 5211 code into decimal 1-out-of-10 code
04/29/1987CN86106162A Decoding apparatus for image code
04/28/1987US4661946 Digital switch module having encoding law conversion capability
04/28/1987US4661724 Row decoder
04/22/1987EP0218918A1 Multidimensional DPCM coder with a high processing speed
04/22/1987EP0218917A1 Multidimensional DPCM coder with a high-processing speed
04/21/1987US4660178 Multistage decoding
04/21/1987US4660171 Apparatus and method using a programmable logic array for decoding an operation code and providing a plurality of sequential output states
04/21/1987US4660145 System for compressing aircraft flight data utilizing a multilevel time format
04/21/1987CA1220868A2 Movable medium containing binary code
04/21/1987CA1220866A1 Interface method and apparatus
04/15/1987EP0218113A1 Protocol converting apparatus for videotex system
04/14/1987CA1220429A1 Method for converting an image from a run end or run length representation to a bit map
04/08/1987EP0217412A2 Coding device selectively connected to a transmission line
04/08/1987EP0217104A1 Decoder realisable as an integrated circuit
04/08/1987EP0217017A2 Signal coding process and system for implementing said process
04/08/1987EP0217009A2 Thermometer-to-adjacent binary encoder
04/08/1987EP0216839A1 Optical signal processing.
04/02/1987DE3533605A1 Integratable decoding circuit
03/1987
03/31/1987US4654863 Wideband adaptive prediction
03/31/1987US4654633 Method and apparatus for transforming PRESTEL codes to NAPLPS codes
03/26/1987DE3533033A1 Code-converting circuit for code conversion from a 4-field code into decimal 1-out-of-10 code
03/25/1987EP0215086A1 Line transmission systems
03/24/1987US4652942 Method and system for converting binary data using bit-divided encoding
03/24/1987US4652856 Multiplication-free multi-alphabet arithmetic code
03/24/1987CA1219678A1 Apparatus and method for converting a number in binary format to a decimal format
03/17/1987US4650927 Processor-assisted communication system using tone-generating telephones
03/12/1987DE3530255A1 Code conversion circuit for the conversion of excess-three code into decimal one-out-of-ten code
03/12/1987DE3529224A1 Code-converting circuit for translating from a 4-field code into decimal 1-out-of-10 code
03/11/1987EP0213854A2 Fixed-Coefficient serial multiplication and digital circuits therefor
03/10/1987CA1219085A1 Radiation image signal compression method and apparatus
03/05/1987DE3530455A1 Code conversion circuit combined with negator complement circuit
03/05/1987DE3530208A1 Code conversion circuit for the conversion of BCD-8421 code into decimal one-out-of-ten code
03/04/1987EP0212905A2 Decoding apparatus for image code
03/03/1987US4647908 Codeword decoding
02/1987
02/26/1987DE3530209A1 Code conversion circuit for the conversion of Aiken code into decimal one-out-of-ten code
02/25/1987EP0211757A1 Baseband modulation method for a data signal, modulation and demodulation device therefor
02/25/1987EP0211673A2 Signal conversion circuits
02/24/1987US4646356 Method for converting a bit map of an image to a run length or run end representation
02/24/1987US4646148 Process of compressing a succession of digital data and device for carrying out the same
02/24/1987US4646061 Data communication with modified Huffman coding
02/17/1987US4644545 Digital encoding and decoding apparatus
02/17/1987CA1218163A1 Code control system in terminal equipment
02/04/1987EP0210738A2 A signal converter
02/03/1987US4641128 Method of encoding a stream of data bits, arrangement for performing the method and arrangement for decoding the stream of channel bits obtained in accordance with this method
02/03/1987CA1217563A1 Code converting circuit
01/1987
01/29/1987WO1987000714A1 Process for compressing and expanding structurally associated multiple-data sequences, and arrangements for implementing the process
01/28/1987EP0209839A2 Apparatus and method for decoding a sequence of pseudo-ternary digital signals
01/22/1987DE3524587A1 Circuit layout for conversion of information sent in ASCII code
01/21/1987EP0209441A1 Transcoding method of a video text image to render it compatible with several video text systems
01/21/1987EP0209308A2 Circuitry for complementing binary numbers
01/21/1987EP0209226A2 Waveform data compressing circuit and method
01/20/1987US4638300 Central processing unit having built-in BCD operation
01/13/1987US4636856 Arrangement for two-dimensional DPCM coding
01/13/1987CA1216676A1 Matrix transcoding system for dynamically redefineable characters and matrix videotext systems
01/10/1987CN85101048A Digital data converting method and apparatus thereof
01/08/1987DE3622205A1 Integrated digital circuit for logarithmic signal processing
01/07/1987EP0207575A2 Arrangement for predictive coding
01/07/1987EP0207171A1 Digital signal transmission device
01/02/1987DE3523247A1 Device for the data reduction of binary data streams
12/1986
12/30/1986US4633505 Character compression technique
12/30/1986US4633490 Symmetrical optimized adaptive data compression/transfer/decompression system
12/30/1986US4633483 Near-instantaneous companding PCM involving accumulation of less significant bits removed from original data
12/30/1986US4633220 Decoder using pass-transistor networks
12/30/1986EP0205944A2 Method of spatially thresholding a discrete color image
12/30/1986CA1216069A1 Decoder of adaptive differential pulse code modulation
12/23/1986US4631696 Fixed-point data/floating-point data converting apparatus
12/17/1986EP0205009A2 System for encoding a data stream into a run length limited symbol string
12/17/1986EP0204992A2 Method for compressing and decompressing data
12/17/1986EP0204763A1 Data compressing computer system and process thereto
12/17/1986CN86103162A Circuits for detecting changing picture elements
12/17/1986CN85106794A Method and apparatus for converting a run length limited code
12/16/1986US4630030 Compression of data for storage