Color graphics control system

Details Color graphics control system Color graphics control system

1986-02-10

1988-09-06

Brigance, Gerald L.

Communications: electrical

Land vehicle alarms or indicators

Internal alarm or indicator responsive to a condition of the...

340703, 340704, 340799, G09G 128

Patent

active

047696320

ABSTRACT:
A color graphics control system for generating red, blue and green analog signals to a raster scan display at a pixel frequency comprises a RAM storing a pluraltiy of digital color values, digital to analog converters for converting the digital color values into analog signals, an interface to permit an external controller to write digital color values into the RAM locations, a timer including a pixel clock and RAM accessing means controlled by the timer to pipeline RAM accessing with a cycle time of more than one pixel period.

REFERENCES:
patent: 4361850 (1982-11-01), Nishimura
patent: 4364037 (1982-12-01), Walker
patent: 4454593 (1984-06-01), Fleming et al.
patent: 4484187 (1984-11-01), Brown et al.
patent: 4590463 (1986-05-01), Smollin
patent: 4628467 (1986-12-01), Nishi et al.
patent: 4684942 (1987-09-01), Nishi et al.

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