Process for coding character colors in video systems and device

Details Process for coding character colors in video systems and device Process for coding character colors in video systems and device

1996-02-22

1998-07-07

Liang, Regina

Computer graphics processing and selective visual display system

Display peripheral interface input device

Light pen for fluid matrix display panel

345150, G09G 522

Patent

active

057776008

ABSTRACT:
The invention concerns a process for coding the colors of characters in a video system, which includes a character generator making use of character models comprising at least two zones, and wherein a single color attribute whose level is higher than page level is used to determine the color of all the zones of all the characters corresponding to this level, the luminance values chosen for each of the character zones being such that, for a given character, these zones can be visually distinguished when they are of the same color.

REFERENCES:
patent: 4631585 (1986-12-01), Wine
patent: 4851825 (1989-07-01), Naiman
patent: 4918434 (1990-04-01), Veda
patent: 5003303 (1991-03-01), Kellar et al.
patent: 5153712 (1992-10-01), Masaike

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