Computer graphics processing and selective visual display system – Display peripheral interface input device – Light pen for fluid matrix display panel
Patent
1994-05-02
1996-02-13
Kunta, Curtis
Computer graphics processing and selective visual display system
Display peripheral interface input device
Light pen for fluid matrix display panel
345 3, 345 22, 345186, 345 89, G09G 302
Patent
active
054914965
ABSTRACT:
In the interlocking mode, the color of the color data is converted into a brightness value by a brightness converting circuit in accordance with the value of each of R, G, B of the color data written into each color register of RAMDAC. Gradation data to be written into each register of the flat palette table is formed from the brightness value. In the non-interlocking mode, an optional gradation data irrelevant to the color data of the RAMDAC is written into each register of the flat palette table. By the switching between interlocking and non-interlocking modes, selection can be made between the monochrome gradation display which faithfully reproduces the color display screen of a CRT display and the monochrome display of an optional gradation irrelevant to the color display screen.
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Kabushiki Kaisha Toshiba
Kunta Curtis
Oh Minsun
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