Method and apparatus for generating RGB color signals from compo

Details Method and apparatus for generating RGB color signals from compo Method and apparatus for generating RGB color signals from compo

1985-10-07

1988-11-22

Caldwell, Sr., John W.

Communications: electrical

Land vehicle alarms or indicators

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

340701, 340702, G09G 128

Patent

active

047868937

ABSTRACT:
An improved method and apparatus for converting a serial bit stream representative of a composite color video signal to RGB control signals is described. A sliding window is used to determine the video color for each new bit in the stream after the bits are rearranged to their proper order. As soon as a change in color is detected, the prior color is used until a predetermined condition occurs such as the passage of a predetermined number of bits. This prevents displaying of transitional colors which appear as shadows on the display.

REFERENCES:
patent: 4233601 (1980-11-01), Hankins et al.
patent: 4278972 (1981-07-01), Wozniak
patent: 4390893 (1983-06-01), Russell et al.
patent: 4516266 (1985-05-01), Christopher et al.
patent: 4559531 (1985-12-01), Buynak
patent: 4584572 (1986-04-01), Lambert, III
patent: 4604614 (1986-08-01), Farr et al.

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