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)
11/1983
11/08/1983CA1156764A1 Circuit for compacting variable length into fixed word length data
11/01/1983US4413251 Method and apparatus for generating a noiseless sliding block code for a (1,7) channel with rate 2/3
11/01/1983CA1156368A1 Digital-to-digital code converter
10/1983
10/25/1983US4412306 System for minimizing space requirements for storage and transmission of digital signals
10/18/1983US4411001 Differential pulse code modulation transmission system
10/18/1983US4410877 Method of coding data bits on a recording medium, arrangement for putting the method into effect and recording medium having an information structure
10/11/1983US4409627 Video signal decoding circuit
10/05/1983EP0090186A2 Complementary logic circuit
10/04/1983CA1154873A1 Method and apparatus for reducing dc components in a digital information signal
09/1983
09/28/1983EP0089797A2 Digital image information compression and decompression method and apparatus
09/14/1983EP0088135A1 Insulated-gate field-effect transistor circuit for a one out of n system
09/13/1983US4404602 PCM Signal recording system
08/1983
08/24/1983EP0086482A2 Digital signal communication system
08/23/1983CA1152651A1 Method and apparatus for encoding a digital signal to have minimal dc component
08/23/1983CA1152650A1 Pcm and pam conversion circuit including signal level variation on the pcm portion of the circuit
08/23/1983CA1152649A1 Data encoding method and system employing two-thirds code rate with full word look-ahead
08/17/1983EP0085820A1 Method for multi-speed digital transmission and apparatus for carrying out said method
08/10/1983EP0085297A2 High quality delta modulator
08/04/1983WO1983002696A1 Adaptive differential pcm coding
08/02/1983US4396938 Controlled ram signal processor
08/02/1983US4396906 Method and apparatus for digital Huffman encoding
08/02/1983CA1151302A1 Graphical data encoding
07/1983
07/27/1983EP0084353A2 Delta-sigma modulator with switched capacitor implementation
07/27/1983EP0084125A2 Apparatus for efficient statistical multiplexing of voice and data signals
07/26/1983CA1150838A1 Decoder circuit
07/20/1983EP0083998A1 Scramble or unscramble byte generator
07/19/1983US4394641 Method and device for coding binary data and a device decoding coded data
07/13/1983EP0083412A2 Method and apparatus for encoding data
07/13/1983EP0083407A1 Method and apparatus for generating a noiseless sliding block code for a (2,7) channel with rate 1/2
07/13/1983EP0083393A2 Method of compressing information and an apparatus for compressing English text
07/12/1983US4393367 Digital compandor having nonlinear companding characteristics
06/1983
06/29/1983EP0082328A1 Device for decoding an operation code and providing a plurality of sequential output states
06/21/1983US4389726 Adaptive predicting circuit using a lattice filter and a corresponding differential PCM coding or decoding apparatus
06/21/1983CA1148659A1 Code converting circuits
06/14/1983CA1148268A1 Superconducting switch and amplifier device
06/07/1983US4387447 Column and ground select sequence in electrically programmable memory
06/07/1983US4387364 Method and apparatus for reducing DC components in a digital information signal
05/1983
05/31/1983US4386416 Data compression, encryption, and in-line transmission system
05/31/1983US4386237 NIC Processor using variable precision block quantization
05/31/1983CA1147475A1 Decoder circuit
05/31/1983CA1147470A1 Binary conversion device, particularly for image information transmitters and receivers with redundancy reduction
05/25/1983EP0079442A2 Data translation apparatus translating between raw and compression encoded data forms
05/25/1983EP0079333A1 High-speed arithmetic compression coding using concurrent value updating.
05/24/1983US4385393 Adaptive prediction differential PCM-type transmission apparatus and process with shaping of the quantization noise
05/24/1983US4385370 Decoder circuit
05/17/1983CA1146672A1 Zero disparity coding/decoding system
05/11/1983EP0078581A1 Differential PCM transmission system with adaptive prediction
05/03/1983US4382286 Method and apparatus for compressing and decompressing strings of electrical digital data bits
04/1983
04/26/1983US4381525 Synchronously operatable PCM recording processor
04/06/1983EP0075852A2 Pulse code modulation system
03/1983
03/29/1983CA1143832A1 Group coded recording data recovery system
03/23/1983EP0074656A2 Method and apparatus for encoding a binary digital information signal
03/15/1983US4376933 Circuit for compacting data
03/15/1983CA1143067A1 Digital output expander
03/08/1983US4376275 Very fast BCD-to-binary converter
02/1983
02/16/1983EP0071680A1 Data recording or transmission system using run length limited coding
02/16/1983EP0016050B1 Apparatus and method for compressing data
02/15/1983US4374304 Spectrum division/multiplication communication arrangement for speech signals
02/09/1983EP0070949A1 Transmission method for voice and digital data and arrangement for carrying out said method
02/09/1983EP0070948A1 Voice coding method and arrangment for carrying out said method
02/08/1983US4373196 Decoder circuit
02/08/1983CA1140999A1 Dc free encoding for data transmission
02/01/1983US4371951 Apparatus for converting serial input sparse vector format to parallel unpacked format for input to tandem arithmetic logic units
01/1983
01/26/1983EP0070387A2 Method and apparatus for generating a noiseless sliding block code for a (1,7) channel with rate 2/3
01/18/1983US4369503 Decoder circuit
01/18/1983US4369464 Digital video signal encoding and decoding system
01/18/1983US4369463 Gray scale image data compression with code words a function of image history
01/18/1983US4369434 Enciphering/deciphering system
01/04/1983CA1138995A1 Magnetic storage systems for coded numerical data with reversible transcoding into high density bipolar code of order n
12/1982
12/28/1982US4366506 Picture transfer method and apparatus therefor
12/28/1982CA1138567A1 Data compressor
12/21/1982US4365273 Picture data compressing method
12/15/1982EP0066697A1 A method and system for compressing grey scale image data
12/14/1982US4364025 Format switch
12/08/1982EP0066512A1 Binary data coding method and its application to a magnetic tape transfer system for a digital video signal
12/07/1982US4363036 Method and apparatus for compressing digital data using non-adaptive predictive techniques
12/07/1982CA1137229A1 Binary coded decimal correction apparatus
12/01/1982EP0065667A2 CMOS selection circuit
12/01/1982EP0065665A1 Method for the compression of redundant sequences of serial data elements
11/1982
11/24/1982EP0065460A1 Parallel counter in a MOS integrated circuit configuration and its use in a binary adder
11/23/1982US4360840 Real time data compression/decompression scheme for facsimile transmission system
11/23/1982CA1136279A1 Method and means for encoding and decoding digital data
11/17/1982EP0064791A1 Method of transmitting an audio signal via a transmission channel
11/10/1982EP0064406A1 Encoding binary data
11/10/1982EP0064119A2 Speech coding methods and apparatus for carrying out the method
11/09/1982US4358852 Method of modulation and demodulation of data and apparatus for carrying out the same
10/1982
10/27/1982EP0063485A2 Digital data companding
10/26/1982US4356517 PCM Audio reproducing system
10/26/1982US4356413 MOSFET Convolved logic
10/19/1982US4355306 Dynamic stack data compression and decompression system
10/14/1982WO1982003514A1 High-speed arithmetic compression coding using concurrent value updating
10/05/1982CA1133142A1 Digital compandor having nonlinear companding characteristic
09/1982
09/28/1982CA1132712A1 Code converting method and system
09/22/1982EP0060694A2 Apparatus and method for compressing digital data
09/21/1982US4350905 Complementary MOS logic decoder circuit
09/21/1982CA1132264A1 Conversion of analogue signals to digital signals
09/15/1982EP0060101A2 Image data conversion and character code/character pattern conversion
09/14/1982US4349913 Method and apparatus for reducing the demand on the number of transferred bits when transferring PCM information
09/14/1982US4349895 Decoder circuit of a semiconductor memory device
09/07/1982US4348659 Method and apparatus for encoding a digital signal to have minimal DC component
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