White balance adjusting device

Details White balance adjusting device White balance adjusting device

1990-08-14

1992-03-24

Britton, Howard W.

Facsimile and static presentation processing

Static presentation processing

Attribute control

358 29, H04N 904, H04N 964

Patent

active

050993160

ABSTRACT:
A white balance adjusting device receptive of the color temperature of an object to be photographed for producing a plurality of gain control signals for adjustment of the white balance in plural channels is provided with a control circuit for correcting the gain control signals for white balance adjustment depending on whether or not values of the control signals in the respective channels are within respective predetermined ranges, wherein the levels of color signals are controlled in response to the corrected gain control signals.

REFERENCES:
patent: 4274107 (1981-06-01), Tamura et al.
patent: 4700219 (1987-10-01), Tanaka et al.
patent: 4797733 (1989-01-01), Takagi et al.
patent: 4843456 (1989-06-01), Iida et al.

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