| 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) |
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| 08/20/1985 | US4536742 Method of encoding a stream of data bits, device for carring out the method, and device for decoding a stream of data bits |
| 08/20/1985 | US4536741 For converting a digital input signal from first to second digital code |
| 08/20/1985 | CA1192309A1 Method and apparatus for encoding and decoding a binary digital information signal |
| 08/15/1985 | WO1985003585A1 System for compressing aircraft flight data utilizing a multilevel time format |
| 08/13/1985 | US4535320 Method and apparatus for digital Huffman decoding |
| 08/13/1985 | CA1191958A1 Delta-sigma modulator with switched capacitor implementation |
| 08/13/1985 | CA1191957A1 Method and apparatus for compressing and decompressing strings of electrical digital data bits |
| 08/06/1985 | US4534055 Code conversion system |
| 08/06/1985 | US4534037 Method and apparatus for scrambled pulse-code modulation transmission or recording |
| 08/06/1985 | CA1191560A1 Short-protected buffer |
| 07/31/1985 | EP0150082A2 Method of transmitting information, encoding device for use in the method, and decoding device for use in the method |
| 07/31/1985 | EP0149893A1 Apparatus for coding and decoding data |
| 07/31/1985 | EP0149724A1 Method and apparatus for coding digital signals |
| 07/30/1985 | EP0131005A4 Digital Decoder. |
| 07/30/1985 | CA1191265A1 Method and optical apparatus for converting residue numbers into positionally notated numbers |
| 07/24/1985 | EP0149122A2 A method for converting a bit map of an image to a run length or run end representation |
| 07/24/1985 | EP0149121A2 A method for converting an image from a run end or run length representation to a bit map |
| 07/23/1985 | US4531153 Method and apparatus for encoding and decoding a binary digital information signal |
| 07/09/1985 | USRE31942 High speed serial scan and readout of keyboards |
| 07/09/1985 | US4528551 Digital to analog converter employing sigma-delta modulation for use in telephone systems |
| 07/09/1985 | CA1190323A1 Adaptive predictive processing system |
| 07/03/1985 | EP0147090A2 Optical recording method; optical medium and method for reading said medium |
| 07/02/1985 | CA1189974A1 Code conversion system |
| 06/26/1985 | EP0145788A1 Method and apparatus for transmitting digital signal |
| 06/20/1985 | WO1985002732A1 Data compression method and apparatus |
| 06/20/1985 | WO1985002529A1 Data compression system and method for processing digital sample signals |
| 06/19/1985 | EP0145397A2 Detecting codewords |
| 06/19/1985 | EP0145396A2 Codeword decoding |
| 06/19/1985 | EP0145332A2 Digital audio transmission |
| 06/19/1985 | EP0145039A2 Pulse code modulation translators |
| 06/18/1985 | US4524447 Digital signal processing apparatus having digital dither |
| 06/12/1985 | EP0144066A2 Circuit arrangement for the swift detection of the greatest difference among three represented digital values |
| 06/11/1985 | US4523323 Digital signal communication system for multi-level modulation including unique encoder and decoder |
| 06/11/1985 | US4523181 Method and apparatus for producing a binary information for an information transmission |
| 06/05/1985 | EP0143553A1 Methods of and apparatus for digital data conversion |
| 06/05/1985 | EP0143269A2 Process and device for inserting a digial binary narrow-band signal in, or for extracting this narrow-band signal from a time division multiplex signal |
| 06/05/1985 | EP0143268A2 Process and device for inserting a digital binary narrow-band signal in, or for extracting this norrow-band signal from a time division multiplex signal |
| 06/04/1985 | CA1188423A1 Speech coding method and device for implementing the improved method |
| 05/29/1985 | EP0143005A2 Digital data converting methods and apparatus |
| 05/28/1985 | US4520491 Transmission system using differential pulse code modulation with adaptive prediction |
| 05/28/1985 | US4520480 Digital transmission system |
| 05/28/1985 | US4520347 Code conversion circuit |
| 05/28/1985 | US4520346 Method and apparatus for encoding an NRZI digital signal with low DC component |
| 05/22/1985 | EP0142439A2 Method of compressing a train of digital information, and apparatus therefor |
| 05/22/1985 | EP0141819A1 Short-protected buffer circuit |
| 05/21/1985 | US4518950 Digital code converter |
| 05/21/1985 | US4518872 MOS Transition detector for plural signal lines using non-overlapping complementary interrogation pulses |
| 05/15/1985 | EP0141520A2 Sub-band coding method |
| 05/15/1985 | EP0141464A2 Digital code detector circuits |
| 05/15/1985 | EP0141127A1 Arrangement for bidimensional differential pulse code modulation |
| 05/14/1985 | US4517552 Method and apparatus for N-to-M encoding |
| 05/08/1985 | EP0140158A2 Apparatus and method for converting a number in binary format to a decimal format |
| 05/07/1985 | US4516246 Data compression system |
| 05/07/1985 | US4516241 Bit compression coding with embedded signaling |
| 05/07/1985 | US4516173 Image data conversion method and character code/character pattern conversion apparatus |
| 05/02/1985 | EP0139207A2 Circuit for CSD coding of a complement of two biniary numbers |
| 04/25/1985 | WO1985001814A1 Method and apparatus for data compression |
| 04/24/1985 | EP0138229A2 Apparatus for transcribing digital data |
| 04/24/1985 | EP0138080A2 Communication system using variable length character code and coding method |
| 04/24/1985 | EP0138061A1 Method of determining speech spectra with an application to automatic speech recognition and speech coding |
| 04/24/1985 | EP0137991A1 Code control system in terminal equipment |
| 04/23/1985 | CA1186057A1 Image data conversion method and character code/character pattern conversion apparatus |
| 04/16/1985 | US4511758 Reduction of message length in a communication system |
| 04/09/1985 | US4509901 Method and apparatus for detecting problems in sucker-rod well pumps |
| 04/02/1985 | US4509038 Code-converting system for band compression of digital signals |
| 03/27/1985 | EP0135290A2 Analog-to-digital-converter and related encoding technique |
| 03/20/1985 | EP0134543A2 Method and apparatus for context redundancy text compression and decompression |
| 03/19/1985 | US4506172 Decoder circuit utilizing josephson devices |
| 03/19/1985 | CA1184304A1 Apparatus for attenuating and/or amplifying a binary- represented signal |
| 03/19/1985 | CA1184128A1 Spectrum division/multiplication communication arrangement for speech signals |
| 03/14/1985 | WO1985001171A1 Facsimile device for run length coding |
| 03/06/1985 | EP0133697A2 Method of transmitting digital sound signals and apparatus for receiving a sound signal transmitted according to this method |
| 03/05/1985 | US4503510 Method and apparatus for digital data compression |
| 03/05/1985 | US4503420 Arrangement for encoding and decoding information signals |
| 02/26/1985 | CA1183262A1 System for transmitting digital information |
| 02/26/1985 | CA1183218A1 Optical data transmission system |
| 02/19/1985 | US4500871 Method for coding binary data and a device decoding coded data |
| 02/19/1985 | US4500869 Method for conversion of linearly encoded into non-linearly encoded digital signals |
| 02/14/1985 | WO1985000686A1 Apparatus and methods for coding, decoding, analyzing and synthesizing a signal |
| 02/12/1985 | US4499548 Data compression apparatus |
| 02/12/1985 | US4499498 Run length decoding apparatus |
| 02/12/1985 | US4499454 Method and apparatus for encoding a digital signal with a low DC component |
| 02/05/1985 | US4498177 M Out of N code checker circuit |
| 02/05/1985 | US4498147 Methodology for transforming a first editable document form prepared with a batch text processing system to a second editable document form usable by an interactive or batch text processing system |
| 01/29/1985 | US4497042 Magnetic bubble logic apparatus |
| 01/29/1985 | CA1181876A1 Method and apparatus for efficient statistical multiplexing of voice and data signals |
| 01/29/1985 | CA1181867A1 Data compression process |
| 01/29/1985 | CA1181862A1 Gray scale image data compression with code words a function of image history |
| 01/29/1985 | CA1181855A1 Method and apparatus for time domain compression and synthesis of unvoiced audible signals |
| 01/22/1985 | US4495639 Electronic data compressor |
| 01/16/1985 | EP0131005A1 Digital Decoder. |
| 01/15/1985 | US4494151 4-Pixel run-length code for data compression |
| 01/15/1985 | US4494150 Word autocorrelation redundancy match facsimile compression for text processing systems |
| 01/15/1985 | US4494108 Machine implementable method |
| 01/15/1985 | US4494017 Complementary decode circuit |
| 01/15/1985 | CA1181169A1 Pcm signal recording system |
| 01/09/1985 | EP0130324A1 Circuit arrangement for generating modulus-N residues |
| 01/01/1985 | US4491953 For use in a digital transmission system |
| 01/01/1985 | US4491934 Data compression process |
| 01/01/1985 | US4491869 Pulse code modulation system suitable for digital recording of broadband analog signals |