Display apparatus with color temperature control

Details Display apparatus with color temperature control Display apparatus with color temperature control

1994-05-02

1997-04-08

Hjerpe, Richard

Computer graphics processing and selective visual display system

Display peripheral interface input device

348673, G09G 502

Patent

active

056192290

ABSTRACT:
A display apparatus includes manual keys provided to supply color temperature coefficients to contrast and brightness control units, so that an adjusted ratio of the color temperature coefficients is generated independently of contrast and brightness control signals. Consequently, a color temperature which is once determined, is maintained, even if contrast and brightness are changed.

REFERENCES:
patent: 3873767 (1975-03-01), Okada et al.
patent: 4347528 (1982-08-01), Johnson et al.
patent: 4547797 (1985-10-01), Mick
patent: 4694330 (1987-09-01), Tanaka et al.
patent: 4700218 (1987-10-01), Thomsen et al.
patent: 4712132 (1987-12-01), Soca

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