Patents
Sitemap › H03 - Basic electronic circuitry › H03M - Coding, decoding or code conversion, in general › 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
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)
12/1988
12/14/1988EP0294614A2 m bit to n bit code converting circuit
12/14/1988EP0294533A1 Method for protecting coded signal integrity
12/13/1988US4791654 Resisting the effects of channel noise in digital transmission of information
12/13/1988US4791403 Log encoder/decorder system
12/08/1988DE3717399A1 Method for bit rate reduction
12/07/1988EP0294012A2 Resisting the effects of channel noise in digital transmission of information
12/07/1988EP0293533A2 Method and apparatus employing offset extraction and companding for digitally encoding and decoding high-fidelity audio signals
12/07/1988EP0293415A1 Method and apparatus for reversible compression of information-carrying symbols
12/06/1988US4790015 Multirate digital transmission method and device for implementing said method
12/06/1988US4789852 Method and apparatus for converting data in a binary format
12/06/1988CA1246234A1 Circuitry for complementing binary numbers
12/06/1988CA1246230A1 Method of, and device for, decoding a repeatedly accessible information stream which is protected by a symbol-correction code
12/01/1988WO1988009586A1 A method of processing a text in order to store the text in memory
11/1988
11/30/1988EP0292943A2 Digital input/output circuit capable of sending and receiving data in different modes
11/29/1988US4788457 CMOS row decoder circuit for use in row and column addressing
11/22/1988US4786890 Method and apparatus for implementing a PRML code
11/17/1988EP0290581A1 Process for transmitting digital audio-signals.
11/15/1988US4785356 Apparatus and method of attenuating distortion introduced by a predictive coding image compressor
11/15/1988US4785349 Decoding apparatus
11/15/1988CA1244950A1 Method and apparatus for encoding and decoding an nrzi digital signal with low dc component and minimum low frequency components
11/15/1988CA1244948A1 Data communication with modified huffman coding
11/09/1988EP0289893A2 Bipmos decoder circuit
11/02/1988EP0289080A1 System for subband coding of a digital audio signal
11/02/1988EP0288963A2 Image coding and transmitting apparatus
11/01/1988US4782326 ADPCM transcoder data interface circuit having an encoded enable signal
11/01/1988US4782325 Arrangement for data compression
10/1988
10/26/1988EP0288281A2 ADPCM encoding and decoding systems
10/26/1988EP0287891A2 Apparatus and method of attenuating distortion introduced by a predictive coding image compressor
10/26/1988EP0287679A1 Amplitude-adapted vector quantizer
10/26/1988EP0287578A1 Digital coding process.
10/25/1988CA1243738A1 Method and system for enciphering and deciphering information between a transmitting device and a receiving device
10/19/1988EP0287154A1 System of orthogonal code generators, radios provided with a code generator and code generators of such a system
10/19/1988EP0286719A2 Text compression and expansion method and apparatus
10/18/1988US4779072 Channel encoder
10/12/1988EP0286166A1 Arrangement for converting a first electric signal into a second electric signal
10/12/1988EP0285916A1 Method and device for coding binary numbers
10/12/1988CN86102403B Facsimile coding circuit
10/11/1988US4777390 Gate array circuit for decoding circuits
10/11/1988CA1243123A1 Method of transmitting information, encoding device for use in the method, and decoding device for use in the method
10/06/1988DE3709957A1 Method of saving memory capacity for digital information storage
10/06/1988DE3643837A1 Adder circuit using 5211 code
10/05/1988EP0285276A2 Coding of acoustic waveforms
10/05/1988EP0056402B1 Adaptive reconstruction of information signals in a plural channel system
10/05/1988CN86102400B Facsimile decoding circuits
10/04/1988US4776028 Apparatus for and method of compressing form data
10/04/1988US4775986 DPCM decoding circuit for digital samples
10/04/1988US4775985 Method of dc-free 8/9 nrz coding using a unique sync word pattern
10/04/1988CA1242799A1 On-the-fly data compression system
09/1988
09/29/1988DE3708502A1 Code conversion circuit for converting decimal digits from 51111 code to 5211 code
09/28/1988EP0283908A1 Integrated multistage decoder
09/28/1988EP0283798A2 Compression and decompression of column-interlaced, row-interlaced graylevel digital images
09/28/1988EP0283735A2 Adaptive data compression method and apparatus
09/27/1988US4774686 Serial digital signal processing circuitry
09/27/1988US4774500 Data compaction method for microprocessor cards
09/27/1988US4774496 Digital encoder and decoder synchronization in the presence of data dropouts
09/21/1988EP0282975A1 Multi-stage integrated decoder device
09/20/1988US4773033 Binary data identification circuit
09/07/1988EP0281061A2 Circuitry for the compression of digital data words by means of a scale factor
09/06/1988CA1241760A1 File compressor
08/1988
08/31/1988EP0280574A2 Method and apparatus for predictive coding
08/31/1988EP0280549A2 Data compression method and apparatus
08/31/1988EP0280314A2 Image signal compressing method by vector quantization
08/31/1988EP0279909A2 Variable lenght code and devices for high frequency transmission
08/30/1988CA1241454A1 Integrated circuit comprising capacitances of different capacitance values
08/30/1988CA1241447A1 Method of transmitting information, encoding device for use in the method, and decoding device for use in the method
08/25/1988WO1988006384A1 An encoder/decoder system and methodology utilizing conservative coding with block delimiters, for serial communication
08/24/1988EP0279799A2 Method and means for variable length coding
08/23/1988US4766562 Digital analyzing and synthesizing filter bank with maximum sampling rate reduction
08/23/1988CA1241121A1 Process for the parallel-series code conversion of a parallel digital train and a device for the transmission of digitized video signals using such a process
08/16/1988US4764749 CMOS encoder circuit
08/16/1988CA1240799A1 Technique for synchronous near-instantaneous coding
08/16/1988CA1240798A1 Sampling rate converter for delta modulated signals
08/11/1988DE3703178A1 Adder circuit in 5211 code
08/11/1988DE3703177A1 Code conversion circuit, using which decimal digits are converted from 51111 code to 5211 code and from 54321 code to 5211 code
08/09/1988US4763108 Digital-to-analog conversion system
08/03/1988EP0277067A2 Data compression apparatus and method for data recorder with waveform envelope display
08/03/1988EP0276753A2 Method and apparatus for transmitting digital information and/or for recording and reproducing
08/03/1988EP0276603A1 Digital signal coding and transmission method by way of timed selective refreshing of a vectorial quantizer
08/02/1988CA1240063A1 Digital companding circuit
08/02/1988CA1240062A1 Encoder with selective indication of compression encoding and decoder therefor
08/02/1988CA1240020A1 Telesignalling method and device for a digital transmission link
07/1988
07/27/1988EP0275585A1 Method of transmitting n-bit information words, information transmission system for carrying out the method, and encoding device and decoding device for use in the information-transmission system
07/27/1988EP0275273A1 Method and system for compressing speech signal data.
07/26/1988US4760461 Binary data compression and expansion processing apparatus
07/21/1988DE3700312A1 Code conversion circuit to convert decimal digits from 5211 code to 1-out-of-10 code
07/21/1988DE3700288A1 Encoder circuit for decimal 5211-code to 54321-code - has two stages with one OR-gate and one AND-gate and three AND-gates and three inverters
07/19/1988US4759038 PCM transmission system
07/19/1988US4758973 Apparatus for processing floating-point data having exponents of a variable length
07/19/1988US4758744 Decoder circuitry with reduced number of inverters and bus lines
07/19/1988CA1239480A1 Wideband adaptive prediction
07/13/1988EP0274440A2 Printing device with data memory
07/13/1988CN86103162B Circuits for detecting changing picture elements
07/12/1988US4757517 System for transmitting voice signal
07/12/1988US4757478 Decoder circuit for a static random access memory
07/12/1988US4757383 Method of image signal encoding by orthogonal transformation
07/06/1988EP0273820A2 Data compression apparatus and method for data recorder
07/05/1988US4755960 Waveform data compressing circuit
07/05/1988US4755794 Digital-to-digital code converter
06/1988
06/29/1988EP0272969A1 Method and programmable apparatus for transcribing strings of characters
06/29/1988EP0272505A2 Adaptive graylevel image compression system
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