1
Carl F R Weiman, John M Evans Jr: Digital image compression employing a resolution gradient. Transitions Research Corporation, Perman & Green, April 7, 1992: US05103306 (243 worldwide citation)

Video image compression apparatus and method provides full color, wide field of view, real time imagery having high central resolution. Compression ratios of 1600:1 are achieved thus reducing a required data transmission bandwidth sufficiently to abolish line-of-sight restrictions. Data compression ...


2
Douglas L Whiting, Glen A George, Glen E Ivey: Data compression apparatus and method. Stac, Irell & Manella, May 14, 1991: US05016009 (222 worldwide citation)

An apparatus and method for converting an input data character stream into a variable length encoded data stream in a data compression system. The data compression system includes a history array means. The history array means has a plurality of entries and each entry of the history array means is f ...


3
Douglas L Whiting, Glen A George, Glen E Ivey: Data compression apparatus and method. STAC Electronics, Irell & Manella, June 30, 1992: US05126739 (173 worldwide citation)

An apparatus and method as disclosed for converting an input data character stream into a variable length encoded data stream in a data compression system. The data compression system includes a history array means. The history array means has a plurality of entries and each entry of the history arr ...


4
Douglas L Whiting, Glen A George, Glen E Ivey: Data compression apparatus and method. Stac Electronics, Irell & Manella, April 9, 1996: US05506580 (151 worldwide citation)

An apparatus and method are disclosed for converting an input data character stream into a variable length encoded data stream in a data compression system. The data compression system includes a history array. The history array has a plurality of entries and each entry of the history array is for s ...


5
Douglas L Whiting, Glen A George, Glen E Ivey: Data compression apparatus and method. Stac, Irell & Manella, September 8, 1992: US05146221 (131 worldwide citation)

An apparatus and method are disclosed for converting an input data character stream into a variable length encoded data stream in a data compression system. The data compression system includes a history array. The history array has a plurality of entries and each entry of the history array is for s ...


6
Clay Mayers, Douglas L Whiting: Data compression apparatus and method using matching string searching and Huffman encoding. Stac Electronics, Irell & Manella, July 2, 1996: US05532694 (122 worldwide citation)

An apparatus and method for converting an input data character stream into a variable length encoded data stream in a data compression system. A sliding window data compression algorithm is combined with Huffman encoding on the strings and raw bytes. The Huffman table, in a compressed form, is prepe ...


7
Douglas L Whiting, Glen A George, Glen E Ivey: Data compression apparatus and method. Stac Electronics, Irell & Manella, October 31, 1995: US05463390 (103 worldwide citation)

An apparatus and method are disclosed for converting an input data character stream into a variable length encoded data stream in a data compression system. The data compression system includes a history array. The history array has a plurality of entries and each entry of the history array is for s ...


8
Van Tyne Richard B, Dempster Roy Eugene, Mcdonald William C, Levine Richard C, Torkelson John, Sanders Weldon Arthur Jr, Johnson Gerald Lee, Nolting Eugene C, Allen John Houston, Lebrun Thomas Q: Video formatter.. Banctec, June 25, 1986: EP0185200-A2 (94 worldwide citation)

A document processing system including a digital image capture system, character recognition circuitry, document encoding systems, endorsers, audit trail printers and an in-line microfilm record system enable documents to be read, endorsed, encoded, digitally imaged, filmed and sorted in a single co ...


9
Jonathan M Soloff, Jonathan J Stone, Terence R Hurley: Data compression apparatus and method. Sony United Kingdom, William S Frommer, Alvin Sinderbrand, November 9, 1993: US05260781 (80 worldwide citation)

A data compression system in which decorrelated data is fed to an entropy encoder (20) in batches having an internal monotonic decrease in average information content from start to end. This results in longer zero runs and more rapid attainment of end of block codes. A data sequencing circuit (18) c ...


10
Francis L Bacon, Donald J Houde: Data compression apparatus and method. Telebyte Corportion, Bromberg Sunstein & McGregor, September 16, 1986: US04612532 (75 worldwide citation)

A preferred embodiment of the invention provides a system for the dynamic encoding of a stream of characters. In a preferred embodiment, the system includes an input for receiving a stream of characters, and an output for providing encoded data. The system also includes a provision for storing, acce ...