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)
10/1991
10/23/1991EP0230437B1 Process for compressing and expanding structurally associated multiple-data sequences, and arrangements for implementing the process
10/23/1991CN1055630A Transmission method for binary signal
10/22/1991US5060286 Raster row and byte group graphics images data compression method
10/22/1991US5060242 Non-destructive lossless image coder
10/22/1991US5059976 Coding method of image information
10/17/1991DE4011894A1 Uebertragungsverfahren fuer ein binaersignal Transmission method for a binary
10/16/1991CN1014364B Coding programme control circut
10/15/1991US5058187 Method for compressing character image data
10/15/1991US5058165 Speech excitation source coder with coded amplitudes multiplied by factors dependent on pulse position
10/15/1991US5058144 Search tree data structure encoding for textual substitution data compression systems
10/15/1991US5058137 Lempel-Ziv decoder
10/15/1991US5057939 Data compression
10/15/1991US5057917 Real-time data compression of broadcast video signals
10/15/1991US5057840 Σ-Δmodulator for digital-to-analog converter
10/15/1991CA1290821C Readback recovery of run length limited codes
10/09/1991EP0450984A2 Digital signal requantizing circuit using multi-stage noise shaping
10/09/1991EP0450937A2 Geometric vector quantization
10/08/1991US5055843 Sigma delta modulator with distributed prefiltering and feedback
10/08/1991US5055841 High-speed feedforward variable word length decoder
10/08/1991US5055802 Multiaccumulator sigma-delta fractional-n synthesis
10/02/1991EP0448802A2 Dynamic model selection during data compression
10/02/1991EP0448590A1 Predictive coding and decoding.
10/02/1991CN1014191B Method for compressing font data
10/01/1991US5054073 Voice analysis and synthesis dependent upon a silence decision
10/01/1991US5054025 Method for eliminating errors in block parameters
10/01/1991CA1290061C Text compression and expansion method and apparatus
09/1991
09/25/1991EP0447495A1 Low time-delay transform coder, decoder, and encoder/decoder for high-quality audio.
09/24/1991US5051745 String searcher, and compressor using same
09/24/1991CA1289667C Multi-dimensional coding for error reduction
09/19/1991WO1991014342A1 Method and apparatus for vector quantization
09/18/1991EP0447203A2 Data compression and decompression system and method
09/18/1991EP0447068A2 Motion image data compression system
09/18/1991EP0446209A1 Adaptive transform coding system.
09/17/1991US5050120 Residue addition overflow detection processor
09/17/1991US5049881 Apparatus and method for very high data rate-compression incorporating lossless data compression and expansion utilizing a hashing technique
09/17/1991US5049880 Bit-wise run-length encoding for data compression
09/15/1991CA2038163A1 System for compression and decompression of video data using discrete cosine transform and coding techniques
09/11/1991EP0446037A2 Hybrid perceptual audio coding
09/11/1991EP0446031A2 Apparatus for encoding digital signals
09/11/1991EP0446018A2 Image processing apparatus
09/11/1991EP0445388A2 Apparatus and method for compressing and expanding multibit digital pixel data
09/10/1991US5048003 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
09/10/1991US5047852 Adaptive transform encoder for digital image signal in recording/reproducing apparatus
09/10/1991US5047768 Data companding method and data compressor/expander
09/10/1991CA1288880C Data compression apparatus and method for data recorder with waveform envelope display
09/08/1991CA2037544A1 Apparatus for encoding digital data
09/05/1991WO1991013395A1 Data compression and restoration method and device therefor
09/04/1991EP0444993A1 Quantifying device with a variable digital coding flow
09/04/1991EP0444911A1 Integrated high speed synchronous counter with asynchronous read-out
09/04/1991EP0444884A2 Method of orthogonal transform coding/decoding
09/04/1991EP0444717A2 Vector quantizer
09/04/1991EP0444660A2 Improvements to video signal hybrid-coding systems
09/04/1991EP0444543A2 Coding system
09/04/1991EP0444407A2 High speed decoding circuit with improved AND gate
09/03/1991US5046071 Communication system capable of improving transmission efficiency by classifying a block sequence into significant and less significant blocks
09/03/1991US5045938 Method and apparatus for encoding using variable length codes
09/03/1991US5045854 Integrated high speed synchronous counter with asynchronous read-out
09/03/1991US5045853 Method and apparatus for statistically encoding digital data
09/03/1991US5045852 Dynamic model selection during data compression
08/1991
08/28/1991WO1991013514A1 Adaptive block size image compression method and system
08/28/1991EP0443255A2 Method and apparatus for carrying-over control in arithmetic entropy coding
08/28/1991EP0443114A2 Method and apparatus for image-data decompression
08/27/1991USRE33676 Gate array circuit for decoding circuits
08/27/1991US5043808 High definition television arrangement employing motion compensated prediction error signals
08/27/1991US5043728 Predictive coding device and predictive decoding device
08/27/1991CA1288138C Clock-controlled pulse width modulator
08/22/1991WO1991012669A1 Coding circuit
08/21/1991EP0442548A1 Variable length coding and decoding devices for digital data
08/21/1991EP0442220A2 Decoder
08/21/1991EP0290581B1 Process for transmitting digital audio-signals
08/21/1991CN1013633B Data compression using block list transform
08/21/1991CN1013631B Universal encode and decode method with variable length code and programmable circuit
08/21/1991CN1013630B Method and apparatus for converting run length limited code
08/21/1991CN1013629B Degital-to digital code converter
08/20/1991US5041830 Band compression circuit
08/14/1991EP0440866A1 Logic circuit for use in D/A converter having ECL-type gate structure
08/13/1991US5040217 Perceptual coding of audio signals
08/13/1991US5040061 Method and apparatus for transmitting a compressed picture signal by using different encoding techniques for portions of each frame
08/08/1991WO1991011883A1 Method and apparatus for predictive coding
08/08/1991WO1991011863A1 Sigma delta modulator
08/07/1991EP0440221A2 Priority encoder
08/07/1991EP0439624A1 Control system for encoding image
08/06/1991US5038309 Number conversion apparatus
08/06/1991CA1287404C Digital signal coding
08/06/1991CA1287376C Processor based linked compressor-expander telecommunications system
07/1991
07/31/1991EP0438956A1 Method of encoding compressed data
07/31/1991EP0438955A1 Data compression method
07/31/1991EP0438954A1 Method of decoding compressed data
07/30/1991US5036457 Bit string compressor with boolean operation processing capability
07/25/1991WO1991011058A1 Method and apparatus for providing maximum rate modulation or compression encoding and decoding
07/25/1991WO1991011057A1 Method and apparatus for predictive coding
07/25/1991WO1991010999A1 Compressed data access
07/24/1991EP0438340A1 Method and device for data compression
07/24/1991CN1053335A Variable long code sequential decoding method and its programmable circuit
07/23/1991US5034968 Algorithmic data compression
07/23/1991US5034965 Efficient coding method and its decoding method
07/23/1991US5034742 Message compression encoder and encoding method for a communication channel
07/23/1991US5034741 Variable length bit patterns for data representation
07/23/1991US5034630 Logic circuit for use in D/A converter having ECL-type gate structure
07/23/1991CA1286766C Method and apparatus for decompressing encoded data
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