Frame buffer, systems and methods

Computer graphics processing and selective visual display system – Display peripheral interface input device – Light pen for fluid matrix display panel

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345199, G09G 102

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active

054206090

ABSTRACT:
A frame buffer is provided, including a plurality of input nodes and a plurality of multiplexing circuits. Each multiplexing circuit has a first input coupled to a respective input node. First control circuitry is provided for selectively coupling a second input of each multiplexer circuit to outputs of others of the multiplexing circuits. Second control circuitry is coupled to each multiplexing circuit for selecting between the first and second inputs.

REFERENCES:
patent: 4769632 (1988-09-01), Work et al.
patent: 4815033 (1989-03-01), Harris
Brooktree, "Bt459", Product Data Book, 1989, 1989, pp. 5-85 through 5-115.
Texas Instruments Incorporated, "TMS34070-2-Color Palatte", Production Data, 1986 pp. 1-15.
Brooktree, "RAMDAC Products", Winter 1990 Product Selection Guid, Winter, 1990, pp. 9-15.

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