| 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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| 06/28/1988 | US4754483 Data compression system and method for audio signals |
| 06/28/1988 | US4754258 Integrated digital circuit for processing speech signal |
| 06/23/1988 | DE3643379A1 Raising and code conversion circuit |
| 06/22/1988 | EP0272179A2 Decoding circuit |
| 06/21/1988 | US4752904 Efficient structure for computing mixed-radix projections from residue number systems |
| 06/21/1988 | US4752765 Apparatus, method and algorithm for encoding and decoding characters in a message to be transmitted between a first system and a second system |
| 06/16/1988 | DE3642071A1 Recoding circuit for recoding decimal digits from 5211 code into the 54321 code |
| 06/14/1988 | US4751572 High speed data compactor |
| 06/08/1988 | EP0270405A1 Method and device for the reduction of noise generated by a digital picture coder/decoder which operates in blocks |
| 06/08/1988 | EP0269974A2 Method and apparatus for detecting a predetermined bit pattern within a serial bit stream |
| 06/07/1988 | US4750190 Apparatus for using a Leroux-Gueguen algorithm for coding a signal by linear prediction |
| 06/07/1988 | US4750138 Method of transmitting information, encoding device for use in the method, and decoding device for use in the method |
| 06/07/1988 | US4750043 Decoding apparatus for image code |
| 06/07/1988 | US4749983 Compression of multilevel signals |
| 06/02/1988 | WO1988004117A1 Process for transmitting digital audio-signals |
| 05/31/1988 | US4748638 Data telecommunications system and method for transmitting compressed data |
| 05/31/1988 | US4748503 Data reduction circuit with a differential pulse code modulator for video signals |
| 05/25/1988 | EP0268069A2 Method of forming a message file in a computer |
| 05/25/1988 | EP0268065A1 Series-parallel conversion method |
| 05/24/1988 | US4747113 Process for the base band modulation of a data signal, as well as the corresponding modulation and demodulation apparatuses |
| 05/24/1988 | US4746918 Split bus system interface |
| 05/24/1988 | US4746902 Arrangement for compensating for non-linear distortion in an input signal to be digitized and an echo cancelling system comprising such a arrangement |
| 05/24/1988 | CA1237197A1 Sequential logic integrated circuit for pcm compression |
| 05/19/1988 | WO1988003729A1 Method and apparatus for reversible compression of information-carrying symbols |
| 05/18/1988 | EP0267581A2 Moving image signal coding system |
| 05/18/1988 | EP0267344A1 Process for the multi-rate encoding of signals, and device for carrying out said process |
| 05/11/1988 | DE3638127A1 Method for reducing the bit rate |
| 05/10/1988 | US4744085 Data processing device |
| 05/10/1988 | US4743899 Decoder/multiplexer circuit including multi-emitter transistors |
| 05/05/1988 | WO1988003346A1 Method and device for reducing the noise generated by a digital image coder/decoder operating by blocks |
| 05/04/1988 | EP0266049A2 Coding system for reducing redundancy |
| 05/04/1988 | EP0265711A2 Concurrent detection of errors in arithmetic data compression coding |
| 05/04/1988 | EP0131005B1 Digital decoder |
| 05/03/1988 | US4742391 DPCM video signal compression and transmission system and method |
| 05/03/1988 | CA1236218A1 Method and apparatus for digital huffman decoding |
| 04/27/1988 | EP0264999A2 System for transmitting or memorizing input signals |
| 04/26/1988 | US4740993 Digital companding circuit |
| 04/21/1988 | WO1988002975A1 Amplitude-adapted vector quantizer |
| 04/20/1988 | CN87106840A Method of and circuit arrangement for bitrute reduction |
| 04/19/1988 | US4739402 Protocol converting apparatus for videotex system |
| 04/19/1988 | US4739308 Method for the formatting and unformatting of data resulting from the encoding of digital information using a variable length code and a device for using this method |
| 04/06/1988 | EP0262827A1 Decoder/multiplexer circuit |
| 04/06/1988 | EP0262731A2 Data signal transcoding circuitry |
| 04/06/1988 | EP0262555A2 Circuit for the dicrete cosine transform |
| 04/05/1988 | CA1234920A1 Rom protection scheme |
| 03/29/1988 | US4734768 Method for transmitting differential pulse code modulation (DPCM) values |
| 03/29/1988 | US4734767 Encoder capable of faithfully and adaptively encoding a moving image |
| 03/29/1988 | CA1234643A1 Digital switch module |
| 03/29/1988 | CA1234633A1 Compression of data for storage |
| 03/24/1988 | WO1988002201A1 Digital audio companding and error conditioning |
| 03/24/1988 | WO1988002144A1 Arrangement for data compression |
| 03/24/1988 | DE3631252A1 Method for reducing bit rates |
| 03/23/1988 | EP0260748A2 Bitrate reduction method and circuitry |
| 03/23/1988 | EP0260462A2 Arithmetic coding for data compression/de-compression by selectively employed, diverse arithmetic coding encoders and decoders |
| 03/23/1988 | EP0260461A2 Arithmetic coding encoding and decoding method |
| 03/23/1988 | EP0260460A2 Arithmetic coding with probability estimation based on decision history |
| 03/22/1988 | US4733298 Method of coding a video signal whereby pictures can be reproduced with a high quality and a device therefor |
| 03/22/1988 | US4733220 For converting digital signals |
| 03/22/1988 | US4733219 Converter circuit |
| 03/16/1988 | EP0259932A1 Electronic circuit having complementary signal-carrying data lines |
| 03/16/1988 | CN85107067B Circuit for converting integer into residue code block |
| 03/10/1988 | WO1988001811A1 Digital coding process |
| 03/09/1988 | EP0258341A1 Method for digital data transmission. |
| 03/08/1988 | US4730348 Adaptive data compression system |
| 03/08/1988 | US4730133 Decoder circuit of a semiconductor memory device |
| 03/08/1988 | CA1233901A1 Arrangement for two-dimensional dpcm-coding |
| 03/03/1988 | DE3728514A1 Verfahren und vorrichtung zum erzeugen eines differenz-pulscodemodulations (dpcm)-signals A method and apparatus for generating a differential pulse code modulation (DPCM) signal |
| 03/03/1988 | DE3629434A1 Digitales codierverfahren Digital coding |
| 03/01/1988 | US4729112 Digital sub-band filters |
| 03/01/1988 | US4729021 High efficiency technique for coding a digital video signal |
| 02/24/1988 | EP0256935A2 Read only memory device having memory cells each storing one of three states |
| 02/23/1988 | US4727540 Apparatus for remote signalling on a digital transmission link |
| 02/23/1988 | US4727354 System for selecting best fit vector code in vector quantization encoding |
| 02/16/1988 | US4725885 Adaptive graylevel image compression system |
| 02/09/1988 | US4724535 Low bit-rate pattern coding with recursive orthogonal decision of parameters |
| 02/09/1988 | US4724341 CMOS decoder circuit resistant to latch-up |
| 02/03/1988 | EP0254821A2 Apparatus for providing mixed radix projection data from residue number system data |
| 02/02/1988 | US4723298 Image compression technique |
| 02/02/1988 | CA1232357A1 Data compression method and apparatus |
| 02/02/1988 | CA1232356A1 Method for converting a bit map of an image to run a length or run end representation |
| 01/28/1988 | WO1988000754A1 Method and system for compressing speech signal data |
| 01/28/1988 | DE3624665A1 Circuit arrangement for switching various electrical loads on and off |
| 01/26/1988 | US4722003 High efficiency coding apparatus |
| 01/14/1988 | DE3622718A1 Code conversion circuit to convert 51111 code into decimal 1-out-of-10 code |
| 01/14/1988 | DE3621887A1 Code conversion circuit to convert 54321 code into decimal 1-out-of-10 code |
| 01/12/1988 | US4719592 Sequence generator |
| 01/12/1988 | US4719461 Method of selective control of electrical circuits and a circuit arrangement for carrying out the method |
| 01/12/1988 | US4719451 In a video digital imaging system |
| 01/12/1988 | US4719450 Method and system for binary-to-decimal interconversion |
| 01/07/1988 | EP0251758A2 Digital-to-analog conversion system |
| 01/05/1988 | US4718087 Method and system for encoding digital speech information |
| 01/05/1988 | CA1231176A1 Group coding system for serial data transmission |
| 12/29/1987 | US4716471 Data decoding apparatus |
| 12/23/1987 | EP0250049A1 Channel encoder |
| 12/16/1987 | EP0249538A1 Analogous-digital encoder |
| 12/16/1987 | EP0249106A2 Asymmetric rll coding |
| 12/15/1987 | US4713828 Data reduction circuit |
| 12/15/1987 | CA1230419A1 Toon code for optical recording |
| 12/10/1987 | DE3618660A1 Circuit for generating a duobinary-coded signal for the D2 MAC television transmission system |
| 12/09/1987 | CN87101996A Data compression using block list transform |