Computer graphics processing and selective visual display system – Display driving control circuitry – Physically integral with display elements
Patent
1996-08-07
1999-08-10
Brier, Jeffery
Computer graphics processing and selective visual display system
Display driving control circuitry
Physically integral with display elements
345507, 711118, G06F 1202
Patent
active
059366168
ABSTRACT:
A display controller, implemented in software or hardware, maintains the primary display image visible on a computer monitor in compressed subregions or chunks. The controller emulates a conventional frame buffer by making the compressed image appear as if it has a linear address space. Most of the image is compressed and the remainder is selectively decompressed and cached to satisfy read and write requests. To display the image, the controller decompresses the display image's constituent subregions and buffers the decompressed data so that it can be scanned out to a display monitor.
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patent: 5740278 (1998-04-01), Berger et al.
patent: 5796864 (1998-08-01), Callahan
JPEG Still Image Data Compression Standard, by William B. Pennebaker and Joan L. Mitchell, Chapter 5-7, pp. 65-134, 1993.
The Data Compression Book, by Mark Nelson, Chapter 11, pp. 347-373, 1992.
Powell, III William Chambers
Scott III George Easton
Sharma Om Kumar
Torborg, Jr. John G.
Veres James E.
Brier Jeffery
Kovalick Vincent E.
Microsoft Corporation
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