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)
11/1989
11/15/1989EP0341780A1 Television transmission system with differential encoding of transform coefficients
11/15/1989EP0341463A1 Bipolar one-stage decoder with a memory
11/15/1989EP0341272A1 System for producing pixel image data from ccitt encoded pixel data
11/15/1989CN1037246A Sigma-delta modulator for d-to-a converter
11/14/1989US4881076 Encoding for pit-per-transition optical data recording
11/14/1989US4881075 Method and apparatus for adaptive data compression
11/14/1989US4881069 Font compression method and apparatus
11/08/1989EP0340633A2 Encoding and decoding method and apparatus
11/08/1989EP0340301A1 Digital adaptive transform coding process
11/07/1989US4879558 Data compression apparatus and method for data recorder with waveform envelope display
11/02/1989EP0340041A2 Start, step, stop unary coding for data compression
11/02/1989EP0340039A2 Search tree data structure encoding for textual substitution data compression systems
10/1989
10/31/1989US4878230 Amplitude-adaptive vector quantization system
10/25/1989EP0338358A2 Sigma-delta modulator for D-TO-A converter
10/24/1989US4876698 System for transmitting sequences of digital samples encoded by variable-length binary words
10/24/1989US4876541 Stem for dynamically compressing and decompressing electronic data
10/18/1989EP0337563A1 System for the transmission of video signals with adaptive code word allocation, and also a transmitter and a receiver suitable for the system
10/17/1989US4875090 Information data transmission system
10/11/1989EP0336681A2 Code converter and encoder including the same
10/05/1989WO1989009517A1 Method and apparatus for statistically encoding digital data
10/05/1989WO1989009516A1 Apparatus for decoding variable-length encoded data
10/05/1989DE3744484A1 Modulo-10 counter
10/03/1989US4872200 System of orthogonal code generators, radios provided with a code generator and code generators of such a system
10/03/1989US4872009 Method and apparatus for data compression and restoration
10/03/1989CA1262189A1 Method and apparatus for implementing optimum prml codes
09/1989
09/27/1989EP0334714A1 Differential coder with a self-adaptive filter, and decoder for said coder
09/27/1989EP0334443A1 Binary-to-ternary converter for combining two binary signals
09/26/1989US4870685 Voice signal coding method
09/26/1989US4870662 System and method for compressing transmitted or stored data
09/26/1989US4870417 Error correction circuit suitable for thermometer or circular code
09/26/1989US4870415 Data compression system with expansion protection
09/26/1989CA1261963A1 System for compressing aircraft flight data utilizing a multilevel time format
09/26/1989CA1261473A1 Signal generation
09/19/1989US4868570 Method and system for storing and retrieving compressed data
09/13/1989EP0331857A1 Improved low bit rate voice coding method and system
09/12/1989US4866445 Method and programmable device for transcoding character strings
09/12/1989US4866440 Method for compressing and restoring data series and apparatus for realizing same
09/12/1989US4866305 Multiple-input multiple-output decoding circuit
09/12/1989CA1259414A1 Decoding apparatus for image code
09/08/1989WO1989008360A1 An adaptive detection method for quantized signals
09/06/1989EP0331094A2 Multimedia data transmission system
09/06/1989CN1035372A Method and apparatus for encoding and decoding data in residue number system
09/05/1989US4864304 Analog voltage signal comparator circuit
09/05/1989US4864303 Encoder/decoder system and methodology utilizing conservative coding with block delimiters, for serial communication
08/1989
08/29/1989US4862261 Image signal compressing method by vector quantization
08/29/1989US4862167 Adaptive data compression method and apparatus
08/24/1989WO1989007863A1 Variable-length coding process and decoding process, coding device and decoding device for implementation of said process
08/23/1989EP0329533A1 Variable-length coding and decoding method, coding and decoding device for carrying out this method
08/23/1989EP0328627A1 Method and apparatus for digital encoding and decoding
08/22/1989US4860324 Information data recovering apparatus
08/22/1989US4860315 ADPCM encoding and decoding circuits
08/16/1989EP0328215A2 Error correction circuit suitable for thermometer or circular code
08/15/1989US4857898 Data compression technique for reconfigurable remote control apparatus
08/15/1989US4857772 BIPMOS decoder circuit
08/15/1989CA1258534A1 Encoder capable of faithfully and adaptively encoding a moving image
08/15/1989CA1258532A1 Coding device selectively connected to a transmission line
08/10/1989WO1989007372A1 Apparatus for efficiently packing data in a buffer
08/09/1989EP0327340A2 Decoder circuit
08/09/1989EP0326560A1 Arrangement for data compression
08/08/1989US4855742 Method of transmitting n-bit information words, information transmission system for carrying out the method, and encoding device and decoding device for use in the information-transmission system
08/08/1989US4855741 Logarithmic digital level display device
08/08/1989US4855621 Multi-stage, integrated decoder device having redundancy test enable
08/01/1989US4853780 Method and apparatus for predictive coding
08/01/1989US4853696 Code converter for data compression/decompression
08/01/1989CA1258131A1 Switched capacitance feedback control circuit and sigma-delta modulator using same
07/1989
07/27/1989WO1989006882A1 Method and system for storing and retrieving compressed data
07/26/1989EP0325423A2 An error detecting circuit for a decoder
07/25/1989US4852179 Variable frame rate, fixed bit rate vocoding method
07/25/1989US4852168 Compression of stored waveforms for artificial speech
07/25/1989US4851845 Encoder
07/25/1989US4851716 Single plane dynamic decoder
07/19/1989EP0324283A1 Speech coding
07/18/1989US4849920 Apparatus for locating and representing the position of an end "1" bit of a number in a multi-bit number format
07/18/1989US4849758 System for transmitting or storing input signals
07/13/1989WO1989006470A1 Adaptive method and device for coding and decoding a series of images by transformation
07/13/1989WO1989006418A1 Speech coding
07/13/1989DE3800060A1 Modulo-10 counter for both counting directions
07/11/1989US4847877 Method and apparatus for detecting a predetermined bit pattern within a serial bit stream
07/11/1989US4847866 Differential pulse code modulation scheme incorporating a reconstructed value constrainer
07/11/1989US4847619 Performance-based reset of data compression dictionary
07/05/1989EP0323362A1 Adaptive method of transform coding and decoding a sequence of pictures, and devices for carrying out this method
07/04/1989US4845678 Memory comprising simultaneously addressable memory elements
07/04/1989US4845662 Data processor employing run-length coding
07/04/1989US4845559 Process and apparatus for digital signal coding and transmission by selective replenishment in time of a vector quantizer
06/1989
06/29/1989WO1989006082A1 SYMBOL CODE GENERATION PROCEEDING FROM INTERFRAME DPCM OF TDM'd SPATIAL-FREQUENCY ANALYSES OF VIDEO SIGNALS
06/27/1989US4843389 Text compression and expansion method and apparatus
06/20/1989US4841575 Image encoding and synthesis
06/20/1989US4841299 Method and apparatus for digital encoding and decoding
06/20/1989CA1256213A1 Sub-information separating apparatus
06/15/1989WO1989005556A1 Modified statistical coding of digital signals
06/14/1989EP0320066A2 Data compression technique for reconfigurable remote control apparatus
06/14/1989EP0319569A1 Apparatus and method for real time data compression
06/14/1989CN1004533B Data reduction circuit with a differential pulse code modulator
06/13/1989US4839906 Processor based linked compressor-expander telecommunications system
06/13/1989US4839897 Fault detecting system for ADPCM codec
06/13/1989US4839724 Process for the digital transmission of information
06/13/1989US4839649 Signal processing system
06/07/1989EP0319441A2 Encoding for pit-per-transition optical data recording
06/07/1989EP0319106A1 Method of and device for recording information, record carrier.
06/07/1989EP0319101A1 Method of and device for recording information, record carrier, device for reading the recorded information, and encoding and decoding circuit for use in the recording and read device
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