Graphic processor for color and positional data of an image to b

Details Graphic processor for color and positional data of an image to b Graphic processor for color and positional data of an image to b

1983-12-08

1987-02-10

Brigance, Gerald L.

Communications: electrical

Land vehicle alarms or indicators

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

340703, G09G 114

Patent

active

046426256

ABSTRACT:
A graphic processor is provided with a buffer corresponding to one of a plurality of display blocks forming a display face, and a refresh memory connected to the buffer. The buffer stores therein only position information of dots which are included in one display block and are a portion of dots forming a pattern. In the refresh memory, dots are stored in a memory region corresponding to the display block at positions indicated by the above position information, in accordance with color data supplied independently of the position information. This processing is performed for all of display blocks where the pattern is present, to write pattern data in the refresh memory. Thus, it is not required to provide buffers, the number of which is equal to the number of colors used for displaying the pattern in colors, but the number of buffers can be reduced.

REFERENCES:
patent: 3893075 (1975-07-01), Orban et al.
patent: 4425559 (1984-01-01), Sherman
patent: 4442503 (1984-04-01), Schutt et al.
patent: 4458330 (1984-07-01), Imsand et al.
patent: 4491836 (1985-01-01), Collmeyer et al.

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