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)
11/1990
11/20/1990US4972106 Binary-to-ternary converter for combining two binary signals
11/20/1990US4971407 Two stage run and string data compressor providing doubly compressed output
11/15/1990WO1990013971A1 Signal-processing system for digital signals
11/14/1990EP0397564A2 Method and apparatus for coding audio signals
11/14/1990EP0396846A1 Improved device for DCT encoding of digital video signals
11/13/1990US4970590 System and device for package multiplexing in transmission of many data flows generated by a sole algorithm
11/07/1990EP0396368A2 Perceptually-adapted image coding system
11/07/1990EP0396360A2 Apparatus for inter-frame predictive encoding of video signal
11/07/1990EP0395906A2 Data compression method for street names
11/07/1990EP0395709A1 Modified statistical coding of digital signals.
11/06/1990US4968970 Method of and system for power line carrier communications
11/01/1990WO1990013182A2 Digital coding process
10/1990
10/31/1990EP0395494A2 Method of and system for power line carrier communications
10/31/1990EP0395440A2 Apparatus for adaptive interframe predictive encoding of video signal
10/31/1990EP0395213A2 Decoder
10/31/1990EP0395150A1 Method and structure for data compression
10/31/1990EP0395076A2 Speech coding apparatus
10/31/1990EP0394976A2 Data companding method and data compressor/expander
10/31/1990DE3914267A1 Signalverarbeitungssystem fuer digitalsignale A signal processing system for digital signals
10/30/1990US4967196 Apparatus for decoding variable-length encoded data
10/24/1990EP0393526A2 Digital encoding method
10/24/1990EP0393087A1 A bit string compressor with boolean operation processing capability.
10/23/1990US4965766 Digital input/out circuit capable of sending and receiving data in different modes
10/23/1990US4965580 Quantizer and inverse-quantizer
10/17/1990EP0392616A2 Method of generating an array of DPCM delta codes, method of storing image data, optical disk whereon image data are stored, and display apparatus
10/17/1990EP0392517A2 Speech coding apparatus
10/17/1990EP0079333B1 High-speed arithmetic compression coding using concurrent value updating
10/16/1990US4963869 Parallel residue to mixed base converter
10/16/1990US4963867 Apparatus for packing parallel data words having a variable width into parallel data words having a fixed width
10/16/1990US4963030 Distributed-block vector quantization coder
10/09/1990US4962327 Decoder circuit having selective transfer circuit for decoded output signal
10/07/1990WO1990012460A1 Vector quantizer codebook processing circuit
10/07/1990CA2030528A1 Vector quantizer codebook processing circuit
10/03/1990EP0390471A2 Predictive coding device
10/03/1990EP0390310A2 Data packer
10/03/1990EP0390309A2 Data unpacker
10/02/1990CA1274916A1 Data compression apparatus and method
09/1990
09/26/1990EP0388615A1 CMI decoder and clock frequency recovery
09/19/1990EP0388043A1 System for processing a quantized vector
09/18/1990US4958225 Full-search-equivalent method for matching data and a vector quantizer utilizing such method
09/18/1990US4958157 Encoder circuit with series connected output switching transistors
09/18/1990US4957688 System for the transmission of video signals with adaptive code word allocation, and also a transmitter and a receiver suitable for the system
09/11/1990US4956871 Improving sub-band coding of speech at low bit rates by adding residual speech energy signals to sub-bands
09/05/1990EP0385492A2 Method and apparatus for data expansion
09/05/1990CN2061703U Decoding and processing unit for film stereophony signal
09/05/1990CN1045208A Method and device for compression of information designed for compatible decoding of group of television signals with rising-order resolution
09/05/1990CN1009503B Storage method and application system for literal ward and graphic
09/04/1990US4955066 Compressing and decompressing text files
08/1990
08/29/1990EP0384782A1 Non-destructive lossless image coder
08/29/1990EP0384000A1 Fully static CMOS cascode voltage switch (CVS) logic circuit
08/28/1990US4953020 Television transmission system with differential encoding of transform coefficients
08/23/1990WO1990009705A1 Adaptive data compression apparatus for a tape drive system
08/22/1990WO1990010353A1 Process and device for compressing data designed for the compatible decoding of a group of television signals with an increasing degree of resolution
08/22/1990EP0182915B1 Apparatus for transmitting digital signals
08/22/1990CA2027571A1 Information compression method and device for compatible decoding of a group of television signals with increasing resolutions
08/14/1990US4949343 Error detecting circuit for a decoder
08/14/1990US4949302 Message file formation for computer programs
08/14/1990US4949293 Method and apparatus for computing residue with respect to arbitrary modulus
08/14/1990US4949196 Method and apparatus for asymmetrical RLL coding
08/09/1990WO1990009079A1 Method and apparatus for vector quantization
08/09/1990WO1990009064A1 Low time-delay transform coder, decoder, and encoder/decoder for high-quality audio
08/09/1990WO1990009022A1 Low bit rate transform coder, decoder and encoder/decoder for high-quality audio
08/08/1990EP0381078A2 Coding method of image information
08/08/1990EP0380575A1 Decompression apparatus for digital video signals
08/08/1990EP0214261B1 Signal generation
08/07/1990US4947447 Method for data coding
08/01/1990EP0380294A1 String matching
08/01/1990EP0380081A2 System for controlling an amount of coded output data
08/01/1990CN1044353A Graphics images data compression method
08/01/1990CN1009046B Encode/decode method and apparatus of ternary codes with limited migration distance
08/01/1990CN1009034B Discrete cosine transform arrangement
07/1990
07/31/1990US4945538 Method and apparatus for processing sample values in a coded signal processing channel
07/25/1990EP0379296A2 A low-delay code-excited linear predictive coder for speech or audio
07/25/1990EP0378762A2 Graphics images data compression method
07/18/1990EP0152430B1 Apparatus and methods for coding, decoding, analyzing and synthesizing a signal
07/11/1990EP0377335A2 Decoding biphase-coded data
07/10/1990US4941152 Signal coding process and system for implementing said process
07/04/1990EP0376554A2 Signal conversion apparatus which reduces quantization errors for telecommunications applications
07/04/1990EP0376553A2 Perceptual coding of audio signals
07/03/1990US4939749 Differential encoder with self-adaptive predictive filter and a decoder suitable for use in connection with such an encoder
07/03/1990US4939745 Apparatus for generating orthogonal sequences
07/03/1990US4939688 Dynamic range converter providing a multiplicity of conversion ratios
07/03/1990US4939583 Entropy-coding system
07/03/1990CA1271261A1 Apparatus, method and algorithm for encoding and decoding characters in a message to be transmitted between a first system and a second system
06/1990
06/28/1990WO1990007246A1 Predictive coding and decoding
06/28/1990WO1990005414A3 Decoding of random sequences
06/28/1990DE3842395A1 Electronic circuit arrangement
06/27/1990EP0375221A1 Data compression
06/27/1990EP0374548A2 System for package multiplexing in transmission of data streams generated by the same algorithm
06/27/1990CN1043413A Universal encode and decode method with variable length code and programmable circuit
06/27/1990CN1043385A Stove for heating, insulating and store of metallurgical products
06/26/1990US4937573 Variable length code and devices for high frequency transmission
06/21/1990DE3938458A1 Flash A-D converter for video signals - uses comparators coupled via AND-gate to MOSFET inverter and N-channel transistor circuit
06/20/1990EP0373924A1 Coding apparatus
06/20/1990EP0373175A1 Device for identification of messages.
06/20/1990CN1008501B Decoding device for image code
06/19/1990US4935882 Probability adaptation for arithmetic coders
06/19/1990US4935646 Fully static CMOS cascode voltage switch logic systems
06/14/1990WO1990006632A1 Data compression
06/14/1990WO1990006560A1 Data compression
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