Computer graphics processing and selective visual display system – Display peripheral interface input device – Light pen for fluid matrix display panel
Patent
1993-11-19
1996-05-21
Weldon, Ulysses
Computer graphics processing and selective visual display system
Display peripheral interface input device
Light pen for fluid matrix display panel
345190, 345200, G09G 500
Patent
active
055194133
ABSTRACT:
A method and apparatus for concurrently scanning and filling a memory comprised of at least a first and a second memory partition for use in a video display of the ping-pong type is provided herein. A method according to the present invention includes scanning the first memory partition and concurrently filling the second memory partition, such that a fill pattern is stored in every memory cell in the second memory partition during a time period in which a portion of memory cells in the first memory partition are scanned. A method in accordance with the invention can be incorporated into a video display system with minimal modifications to provide a fast fill or clear of a memory partition.
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Thomas Larry J.
Thorpe Douglas E.
Honeywell Inc.
Johnson Kenneth J.
Luu Matthew
Sumner John P.
Weldon Ulysses
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