Color picture display apparatus

Details Color picture display apparatus Color picture display apparatus

1988-06-30

1990-10-09

Shepperd, John W.

Facsimile and static presentation processing

Static presentation processing

Attribute control

358 27, 358 28, H04N 973

Patent

active

049624180

ABSTRACT:
In a color picture display apparatus for monitoring colors of a picture displayed on a display such as a CRT based on picture signals picked up by a imaging camera, in which a signal processor operates luminous characteristics such as chromaticity and luminance of the actual display, obtained with reference to reference color signals, and ideal luminous characteristics such as chromaticity and reference white chromaticity of an ideal display to obtain correction values, and a corrector corrects the picture signals on the basis of the correction values to obtain corrected picture signals to be fed to the display for displaying a corrected picture. The correction values may be stored in a memory.

REFERENCES:
patent: 3456068 (1969-07-01), Wilhelmy
patent: 3479448 (1969-11-01), Kollsman
patent: 3573352 (1971-04-01), Fujita
patent: 4207589 (1980-06-01), Kawasaki
patent: 4379292 (1983-04-01), Minato et al.
patent: 4706108 (1987-11-01), Kumagai et al.
patent: 4733227 (1988-03-01), Kanema et al.
patent: 4746970 (1988-05-01), Hosokawa et al.
patent: 4831437 (1989-05-01), Nishioka et al.

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