| 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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| 06/07/1989 | CN1033339A Bandwidth limiting circuit with variable bandwidth |
| 06/06/1989 | US4837724 Discrete cosine transform arrangement |
| 06/06/1989 | US4837634 Apparatus for decoding image codes obtained by compression process |
| 06/06/1989 | US4837618 Moving image signal coding system |
| 06/06/1989 | US4837571 Circuit arrangement for converting a data signal |
| 06/06/1989 | CA1255361A1 Digital analysing and synthesizing filter bank with maximum sampling rate reduction |
| 05/30/1989 | CA1254999A1 Compression/decompression system and device for two-dimensional binary data from a picture field |
| 05/24/1989 | EP0317472A2 Logic redundancy circuit scheme |
| 05/23/1989 | US4833718 Compression of stored waveforms for artificial speech |
| 05/23/1989 | US4833473 Digital to analog converter with switch function compensation |
| 05/16/1989 | US4831575 Apparatus for conversion between IEEE standard floating-point numbers and two's complement floating-point numbers |
| 05/11/1989 | DE3736898A1 Arrangement for converting code words of different widths into data words of equal width |
| 05/09/1989 | US4829526 Data transmission |
| 05/09/1989 | US4829385 Data communication apparatus |
| 05/09/1989 | US4829300 Signal generation |
| 05/05/1989 | WO1989004090A1 Data compaction method for microprocessor cards |
| 05/03/1989 | EP0314512A2 Method for recording digital data |
| 05/03/1989 | EP0314182A2 Digital code converter formed of a decreased number of circuit elements |
| 05/03/1989 | EP0314018A2 Method and apparatus for multiplexed vector quantization |
| 05/02/1989 | US4827475 Transmitting a digital signal and an additional signal |
| 05/02/1989 | US4827336 Symbol code generation processing from interframe DPCM of TDM'd spatial-frequency analyses of video signals |
| 05/02/1989 | US4827261 Clock-controlled pulse width modulator |
| 04/26/1989 | EP0313191A2 Data compression system with expansion protection |
| 04/26/1989 | EP0313190A2 Performance-based reset of data compression dictionary |
| 04/20/1989 | WO1989003574A1 Digital adaptive transform coding process |
| 04/20/1989 | WO1989001690A3 Device for identifying news items |
| 04/19/1989 | EP0312030A2 Method and apparatus for encoding and decoding data in a residue number system |
| 04/18/1989 | CA1252896A1 Apparatus and algorithm for compressing and decompressing data |
| 04/18/1989 | CA1252895A1 Byte-wide encoder and decoder system for rll (1,7) code |
| 04/12/1989 | EP0310769A2 Method and device for processing (dynamically) compressed analog ton signal (ton) signals recorded on memory support and sampled therefrom |
| 04/11/1989 | US4821290 Decoder for digital signal codes |
| 04/06/1989 | WO1989003158A1 Digital video decompression system |
| 04/06/1989 | WO1989003084A1 A bit string compressor with boolean operation processing capability |
| 04/06/1989 | DE3732045A1 Method of compressing and decompressing data |
| 04/05/1989 | EP0310274A2 Digital signal processing apparatus |
| 04/05/1989 | CN1032273A Encode/decode method and apparatus of ternary codes with limited migration distance |
| 04/04/1989 | US4819079 Data processing apparatus |
| 04/04/1989 | US4818900 Predecode and multiplex in addressing electrically programmable memory |
| 04/04/1989 | CA1252199A1 Digital information signal encoding method |
| 03/29/1989 | EP0308963A2 Remainder computing system and method |
| 03/28/1989 | US4816914 Method and apparatus for efficiently encoding and decoding image sequences |
| 03/28/1989 | US4816805 Residue number system shift accumulator decoder |
| 03/21/1989 | US4815021 Multifunction arithmetic logic unit circuit |
| 03/21/1989 | US4814746 Data compression method |
| 03/21/1989 | CA1251558A1 Method of magnetically recording video signals and an apparatus therefor |
| 03/21/1989 | CA1251554A1 Highly efficient coding apparatus for a digital video signal |
| 03/15/1989 | EP0307122A1 Speech coding |
| 03/14/1989 | US4813059 Readback recovery of run length limited codes |
| 03/14/1989 | US4813056 Modified statistical coding of digital signals |
| 03/14/1989 | US4812816 Electronic circuit with complementary data line |
| 03/14/1989 | CA1251282A1 Hierarchical test system architecture |
| 03/09/1989 | WO1989002196A1 Method and apparatus for digital encoding and decoding |
| 03/09/1989 | WO1989002147A1 Speech coding |
| 03/09/1989 | EP0204763A4 Data compressing computer system and process thereto. |
| 03/08/1989 | EP0305677A2 Optical arithmetic unit, device for converting residue numbers into positional notation numbers and method of operating the device and the arithmetic unit |
| 03/07/1989 | US4811398 Method of and device for speech signal coding and decoding by subband analysis and vector quantization with dynamic bit allocation |
| 03/07/1989 | US4811265 Basic cell type full search vector quantization coder |
| 03/07/1989 | US4811212 Address transformation circuit arrangement |
| 03/07/1989 | CA1250946A1 Method and apparatus for transforming codes |
| 03/01/1989 | EP0305301A1 Signal compressor circuit, in particular for telephone set |
| 03/01/1989 | EP0304608A2 Multi-mode dynamic code assignment for data compression |
| 02/28/1989 | US4809274 System for processing audio signals |
| 02/28/1989 | US4809256 Optical demultiplexer |
| 02/28/1989 | US4809246 Sound illustrated book having page indicator circuit |
| 02/28/1989 | US4809227 Read only memory device having memory cells each storing one of three states |
| 02/28/1989 | US4809081 Method and apparatus for decompressing encoded data |
| 02/23/1989 | WO1989001727A1 System for producing pixel image data from ccitt encoded pixel data |
| 02/23/1989 | WO1989001690A2 Device for identifying news items |
| 02/23/1989 | DE3827131A1 Verfahren und schaltung zum codieren und decodieren komprimierter videoinformationen Method and circuit for encoding and decoding of compressed video information |
| 02/21/1989 | US4807298 Method of and system for digital signal coding by vector quantization |
| 02/21/1989 | US4807250 Coding device selectively connected to a transmission line |
| 02/21/1989 | US4807042 Method of image signal encoding by orthogonal transformation |
| 02/16/1989 | DE3826828A1 Verfahren zur numerischen codierung von gegebenen groessen einer grundgesamtheit Method for the numerical coding of given quantities of a population |
| 02/16/1989 | DE3726498A1 Special nine's complement circuit for 54321 code |
| 02/15/1989 | EP0303126A1 Circuit arrangement with a counter stage operating cyclically, followed by a converter stage |
| 02/15/1989 | CN1031144A Storage method and application system for literal word and graphic |
| 02/14/1989 | US4805128 Computer system |
| 02/01/1989 | EP0301191A2 PRML coding |
| 02/01/1989 | CN1030832A Digital-to-digital code converter |
| 01/31/1989 | US4802222 Data compression system and method for audio signals |
| 01/31/1989 | US4802221 Digital system and method for compressing speech signals for storage and transmission |
| 01/26/1989 | WO1989000790A1 Pcm signal coding |
| 01/25/1989 | EP0300771A1 PCM signal coding |
| 01/25/1989 | EP0300684A2 A digital-to-digital code converter |
| 01/24/1989 | US4800441 Binary data compression and expansion processing apparatus |
| 01/24/1989 | CA1249371A1 Pulse code modulation translators |
| 01/18/1989 | EP0299711A2 An audio signal recording and reproducing apparatus |
| 01/17/1989 | US4799242 Multi-mode dynamic code assignment for data compression |
| 01/17/1989 | US4798976 Logic redundancy circuit scheme |
| 01/11/1989 | EP0298546A1 System for the transmission of a series of digital samples coded by binary words with variable lengths |
| 01/10/1989 | US4797902 Digital signal transmission device |
| 01/10/1989 | US4797739 Method of compressing and reconstructing image signals by vector quantization |
| 01/10/1989 | US4797653 DPCM encoder |
| 01/03/1989 | US4796003 Data compaction |
| 01/03/1989 | CA1248235A1 Code converting system and method for band compression of digital signals |
| 12/29/1988 | WO1988010537A1 Apparatus and method for real time data compression |
| 12/27/1988 | US4794627 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 |
| 12/20/1988 | US4792954 Concurrent detection of errors in arithmetic data compression coding |
| 12/20/1988 | US4792793 Converting numbers between binary and another base |
| 12/14/1988 | EP0295024A2 Method and apparatus for decompressing encoded data |