Patents
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)
12/1993
12/07/1993US5268686 Data compression method
12/07/1993US5268685 Apparatus with transient-dependent bit allocation for compressing a digital signal
12/02/1993DE4234628C1 Binary to duo-binary code converter for television digital audio signal - uses digital circuits comprising inverters and logic gates to provide three output logic conditions
12/01/1993EP0572263A2 Variable length code decoder for video decompression operations
12/01/1993EP0572262A2 Decoder for compressed video signals
11/1993
11/30/1993US5267037 Interframe-coded output data amount control system
11/30/1993CA2014936C Efficient encoding/decoding in the decomposition and recomposition of a high resolution image
11/29/1993CA2096585A1 Decoder for compressed video signals
11/29/1993CA2096584A1 Variable length code decoder for video decompression operations
11/24/1993EP0571171A2 Video data encoding and decoding method and apparatus
11/24/1993CN1078832A Apparatus and method for data compression using signal-weighted quantizing bit allocation
11/23/1993US5264848 Data compression/decompression with aliasing error reduction
11/23/1993US5264847 Data decoder
11/23/1993US5264846 Coding apparatus for digital signal
11/18/1993EP0570131A1 Compression encoding and decoding of digital audio signals
11/18/1993EP0570127A2 A motion estimating device for producing variable length coded motion vector
11/18/1993EP0569989A2 Linear signal reconstruction system and method
11/16/1993US5263119 Gain-shape vector quantization method and apparatus
11/16/1993US5263088 Adaptive bit assignment transform coding according to power distribution of transform coefficients
11/16/1993US5262776 Process for use with lempel/gin encoding
11/11/1993WO1993022842A1 Method for data compression having an improved encoding algorithm which utilizes a token stacking technique
11/11/1993WO1993022720A2 Process for finding the reciprocal of a divisor by stepwise approximation
11/11/1993CA2131823A1 Method for data compression having an improved encoding algorithm which utilizes a token stacking technique
11/10/1993EP0207171B1 Digital signal transmission device
11/09/1993US5260980 Digital signal encoder
11/09/1993US5260917 Signal reproduction apparatus
11/09/1993US5260782 Adaptive DCT/DPCM video signal coding method
11/09/1993US5260781 Data compression apparatus and method
11/09/1993US5260706 Priority encoder
11/09/1993US5260693 Method and system for lossless and adaptive data compression and decompression
11/03/1993EP0568305A2 Data compression
11/03/1993EP0568290A1 Audio coding device and method therefor
11/03/1993EP0568046A2 Image coding/decoding apparatus
11/02/1993US5259001 ADPCM decoder with an integral digital receive gain and method therefor
11/02/1993US5258836 Encoding of motion picture signal
10/1993
10/26/1993US5257287 Automatic polarity detection and correction method and apparatus employing linkpulses
10/26/1993US5257215 Floating point and integer number conversions in a floating point adder
10/20/1993EP0566219A2 Image processing apparatus
10/19/1993US5255346 Method and apparatus for design of a vector quantizer
10/19/1993US5254991 Method and apparatus for decoding Huffman codes
10/19/1993US5254990 Method and apparatus for compression and decompression of data
10/19/1993CA1323423C Data recording and/or reproducing method and data recording medium
10/14/1993WO1993020501A1 Integer-based 18-bit rgb to 5-bit gray scale conversion device and method therefor
10/14/1993WO1993015558A3 Information compaction system
10/14/1993DE4310347A1 Producing zigzag addresses for discrete cosine transformation in image data band compression - involves forming address for a stage from previous stage address using stored line and column differentials
10/13/1993EP0565223A2 Method for compressing a digital image signal with ordering and formatting coded data and reconstructing partial images from the data
10/13/1993EP0565219A2 Image compression and decompression
10/13/1993EP0285276B1 Coding of acoustic waveforms
10/12/1993US5253325 Data compression with dynamically compiled dictionary
10/12/1993US5253078 System for compression and decompression of video data using discrete cosine transform and coding techniques
10/12/1993US5253056 Spatial/frequency hybrid video coding facilitating the derivatives of variable-resolution images
10/12/1993US5253053 Variable length decoding using lookup tables
10/12/1993US5252974 Encoder with error correction particularly for flash analog-to-digital converters
10/12/1993US5252973 Apparatus for digital-to-analogue conversion
10/07/1993DE4210833A1 Optical device for conversion of numbers from residue to denominational notation - uses superimposed interference patterns detected to provide corresponding beams with value in denominational number system obtained at intersection of obtained light strips
10/06/1993EP0564227A1 Image encoding apparatus and method
10/06/1993EP0564111A2 Improvements in the decoding of run length code data for storage in a bit map memory
10/06/1993EP0564089A1 A method and appartus for the perceptual coding of audio signals
10/06/1993EP0563832A1 Stereo audio encoding apparatus and method
10/05/1993US5251321 Binary to binary coded decimal and binary coded decimal to binary conversion in a VLSI central processing unit
10/05/1993US5251030 MC predicting apparatus
10/05/1993US5250949 System and method for data compression using multiple codewords and transmitted indices
09/1993
09/30/1993WO1993019536A1 Data compression process during storage and/or transmissioin of digital audio signals for studio applications with perceptive coding and variable length code
09/30/1993WO1993019418A1 Method and apparatus for reduced-complexity viterbi-type sequence detectors
09/30/1993CA2131806A1 Data compression process during storage and/or transmission of digital audio signals for studio applications with perceptive coding and variable length code
09/29/1993EP0562672A2 Process of picture representation by data compression
09/29/1993EP0562419A2 Variable length code word decoder for use in digital communication systems
09/29/1993EP0341272B1 System for producing pixel image data from ccitt encoded pixel data
09/28/1993US5249220 Handheld facsimile and alphanumeric message transceiver operating over telephone or wireless networks
09/23/1993CA2091920A1 Apparatus and method for picture representation by data compression
09/21/1993US5247357 Image compression method and apparatus employing distortion adaptive tree search vector quantization with avoidance of transmission of redundant image data
09/21/1993CA1322417C Multistage data compression system
09/16/1993WO1993018616A1 Picture data encoding method
09/16/1993WO1993018611A1 Image-adaptive process for regulating the length of a quantification interval during image data reduction
09/16/1993WO1993017378A3 Method and apparatus for locating longest prior target string matching current string in buffer
09/15/1993EP0560413A2 Adaptive bit allocation for audio encoder and decoder
09/15/1993EP0559982A2 Image compression
09/15/1993EP0559824A1 Binary data communication system
09/15/1993EP0559732A1 Digital data converter.
09/14/1993US5245662 Speech coding system
09/14/1993US5245614 Vocabulary memory allocation for adaptive data compression of frame-multiplexed traffic
09/14/1993US5245345 Digital-to-analog converter with delta-sigma modulation
09/14/1993US5245344 High order switched-capacitor filter with dac input
09/14/1993US5245338 High-speed variable-length decoder
09/14/1993US5245337 Data compression with pipeline processors having separate memories
09/08/1993EP0559593A1 Method and apparatus for data compression and decompression for a transmission system
09/08/1993EP0559377A2 Noise shaping circuit
09/08/1993EP0559348A2 Rate control loop processor for perceptual encoder/decoder
09/08/1993EP0559346A1 Method and apparatus for two-component signal compression
09/07/1993US5243435 Method of decoding MR codes of continuous vertical mode data for the same change points
09/07/1993US5243348 Partitioned digital encoder and method for encoding bit groups in parallel
09/07/1993US5243345 Sigma-delta modulator having a plural order loop filter with successive filter sections of successively smaller signal excursion range
09/07/1993US5243342 Integrated PCM level control and conversion using a lookup table
09/07/1993US5243341 Lempel-Ziv compression scheme with enhanced adapation
09/02/1993WO1993017519A1 Fractal coding of data
09/02/1993WO1993017508A1 Filtering method and device for reducing digital audio signal pre-echoes
09/02/1993WO1993017393A1 Direct read of block compressed data file
09/02/1993WO1993017378A2 Method and apparatus for locating longest prior target string matching current string in buffer
09/01/1993CN1022012C Graphics images data compression method
08/1993
08/31/1993US5241603 Digital signal encoding apparatus