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)
08/1982
08/24/1982US4346475 Data transmission system operating on the spread spectrum principle
08/18/1982EP0058081A2 Methods and apparatus for encoding binary data
08/18/1982EP0057753A1 Method of converting linear PCM words into non-linear PCM words and reversely non-linear PCM words into linear PCM words according to a 13 segments characteristic obeying the A-law
08/17/1982CA1129989A1 Method and apparatus for pcm-encoding ntsc color television at sub-nyquist rate
08/11/1982EP0057274A2 Digital image data compression apparatus
08/10/1982US4344154 Programming sequence for electrically programmable memory
08/10/1982US4344005 Power gated decoding
08/03/1982US4343023 Magnetic recording and reproduction of digital information
08/03/1982CA1129101A1 Decoder having a true and a complement output
07/1982
07/28/1982EP0056402A1 Adaptive reconstruction of information signals in a plural channel system.
07/27/1982US4342027 Radix conversion system
07/27/1982US4342026 Number conversion apparatus
07/21/1982EP0056187A1 Complementary metal-insulator semiconductor memory decoder
07/06/1982CA1127310A1 Quantizing process with dynamic allocation of the available bit resources and device for implementing said process
07/06/1982CA1127309A1 Optimized digital delta modulation compander having truncation effect error recovery
07/06/1982CA1127307A1 .mu.-LAW TO FLOATING POINT CONVERTER
06/1982
06/29/1982US4337458 Data encoding method and system employing two-thirds code rate with full word look-ahead
06/23/1982EP0054338A2 Logic circuit using a two-phase MOS technique
06/22/1982US4336612 Error correction encoding and decoding system
06/22/1982CA1126404A1 Apparatus for generating bi-phase coded characters
06/16/1982EP0053958A1 Process for the parallel/series conversion of a digital parallel sequence
06/08/1982US4334246 Data decompressor circuit
06/08/1982US4334158 Superconducting switch and amplifier device
05/1982
05/26/1982EP0052519A2 Pulse code modulation signal recording and reproducing
05/25/1982US4331951 BCD-to-Binary converter
04/1982
04/27/1982US4327379 Hardware implementation of 4-pixel code encoder
04/27/1982CA1122712A1 Method for transmitting video signals with the aid of dpc modulation and controlled quantizer
04/27/1982CA1122711A1 Method and apparatus for encoding and recovering binary digital data
04/20/1982CA1122326A1 Data bit compression system
04/13/1982US4325056 BCD To binary converter
04/07/1982EP0049039A1 Data processing apparatus for processing sparse vectors
04/06/1982US4323974 Method of restoring a picture through estimation
03/1982
03/24/1982EP0048115A1 Decoder circuit utilising Josephson devices
03/17/1982EP0047382A2 Adaptive compression encoding of a binary-source symbol string
03/16/1982US4320416 Technique for optimally encoding digitally encoded video signals
03/09/1982US4319130 Device for the automated digital transcription and processing of quantities and units
03/02/1982CA1119303A1 Transmission and/or recording of digital signals
02/1982
02/24/1982EP0046231A1 Process for eliminating the phase error during the reproduction of self-clocking signals, e.g. for a digital audio disc
02/24/1982EP0046197A1 FET convolved logic
02/16/1982US4316222 Method and apparatus for compression and decompression of digital image data
02/10/1982EP0045680A1 Method of transcoding information, and transmission system using such a method
02/09/1982US4315252 Apparatus for detecting the relative position of two movable bodies
02/09/1982CA1118091A1 Block length multiple plus run length residue codes for run length encoding
02/04/1982WO1982000396A1 Adaptive reconstruction of information signals in a plural channel system
02/03/1982EP0045075A1 Conversion of linear coded digital signals in non-linear coded digital signals corresponding to the A-law multisegmented characteristic curve
02/02/1982US4314362 Power down sequence for electrically programmable memory
01/1982
01/27/1982EP0044436A1 Circuit arrangement for producing indicating signals
01/19/1982US4312018 Demodulator in a facsimile system
01/19/1982US4311989 Binary converter in particular for transmitters and receivers of reduced redundancy image data
01/05/1982US4309694 Zero disparity coding system
12/1981
12/29/1981US4308526 Binary to one of N decoder having a true and a complement output
12/22/1981US4307377 Vector coding of computer graphics material
12/10/1981WO1981003560A1 Data compression,encryption,and in-line transmission system
12/08/1981US4305063 Automatic digital gain ranging system
12/01/1981CA1113609A1 Code converters
12/01/1981CA1113402A1 Apparatus and method for encoding halftone and line copy data
11/1981
11/25/1981EP0040309A2 A recursively operating information handling system and apparatus for recursively decoding an instantaneous FIFO binary arithmetic number string
11/24/1981US4302631 Decimator apparatus for decreasing the word rate of a digital signal of the type employed in digital telephone systems
11/18/1981EP0040025A1 Real time data compression/decompression scheme for facsimile transmission system
11/04/1981EP0039258A2 Apparatus for the memorisation of logic states of a process
11/03/1981CA1111923A1 Store and forward type of text processing unit
10/1981
10/27/1981US4297727 Facsimile apparatus
10/27/1981CA1111547A1 Facsimile transmission apparatus with reduced redundancy
10/13/1981US4295126 MOS-Binary-to-decimal code converter
10/13/1981US4295125 Method and means for pipeline decoding of the high to low order pairwise combined digits of a decodable set of relatively shifted finite number of strings
10/13/1981US4295124 Communication method and system
09/1981
09/15/1981US4290051 Device for reducing irrational-base codes to minimal form
09/09/1981EP0035326A2 Decoder circuit
08/1981
08/25/1981US4286256 Method and means for arithmetic coding utilizing a reduced number of operations
08/25/1981CA1107822A1 System and method of modulation and demodulation for optical fibre digital transmission
08/11/1981CA1106975A1 Markov processor for context encoding from given characters and for character decoding from given contexts
08/04/1981CA1106503A1 Apparatus for transition between network control and link control
07/1981
07/28/1981US4281391 Number theoretic processor
07/28/1981US4281318 Digital-to-digital code converter
07/15/1981EP0032107A1 Enciphering and deciphering system
07/14/1981CA1105143A1 Parallel analog-to-digital converter
07/08/1981EP0031681A2 Decoder circuit
07/08/1981EP0031450A1 Digital delta modulation compander
06/1981
06/30/1981US4276544 Code converting circuits
06/30/1981US4276485 Monolithic digital semiconductor circuit comprising a plurality of bipolar transistors
06/23/1981US4275312 MOS decoder logic circuit having reduced power consumption
06/17/1981EP0030437A1 Method and apparatus for compression and decompression of digital image data
06/16/1981CA1103373A1 Parallel decoding system and method for converting binary data to video form
06/16/1981CA1103355A1 Method for digital ru-length coding with redundance reduction for transmission of binarily coded picture informations
06/16/1981CA1103354A1 No translation available
06/10/1981EP0030118A2 A decoder circuit
06/10/1981EP0029967A2 Apparatus for generating an instantaneous FIFO binary arithmetic code string, apparatus for reconstructing a binary symbol string from such a code string, and a method for recursively encoding, and a method for recursively decoding, an instantaneous FIFO binary arithmetic number string
06/09/1981US4272648 Gain control apparatus for digital telephone line circuits
06/09/1981CA1102916A1 Sync pattern encoding system for run-length limited codes
06/03/1981EP0029490A1 Method of converting linear-coded digital signals into non-linear coded digital signals according to a multiple segment characteristic responding to the A law or the mu law
05/1981
05/26/1981US4270027 Telephone subscriber line unit with sigma-delta digital to analog converter
05/26/1981US4270026 Interpolator apparatus for increasing the word rate of a digital signal of the type employed in digital telephone systems
04/1981
04/29/1981EP0027541A1 Mos circuit for the conversion of the code of a binary number into that of the equivalent decimal number
04/28/1981US4264974 Optimized digital delta modulation compander having truncation effect error recovery
04/14/1981CA1099411A1 Threshold decoder
04/08/1981EP0026699A1 Method and device for coding digital data, device for decoding digital data and a transmission system comprising such a device
04/08/1981EP0026267A1 Method and apparatus for compressing and decompressing strings of electrical binary data bits
04/07/1981US4261043 Coefficient extrapolator for the Haar, Walsh, and Hadamard domains
03/1981
03/24/1981CA1098216A1 Loop decoder for josephson memory arrays
03/17/1981US4257069 Data compression apparatus