Image pickup apparatus with white balance control

Details Image pickup apparatus with white balance control Image pickup apparatus with white balance control

1987-09-22

1989-07-11

Groody, James J.

Facsimile and static presentation processing

Static presentation processing

Attribute control

358 41, 358 43, 354430, H04N 973, H04N 904

Patent

active

048476803

ABSTRACT:
An image pickup apparatus of the kind using an object illuminating device is provided with a colorimetric circuit which is arranged to measure the hue of ambient light existing around an object to be photographed other than the illumination light of the illuminating device. The light source of the illuminating device is provided with a hue adjustment circuit. The apparatus is thus arranged to adjust the hue of the illumination light generated by the illuminating device to the hue of the ambient light.

REFERENCES:
patent: Re28025 (1974-05-01), Murata et al.
patent: 2455116 (1948-11-01), Gittus
patent: 4281337 (1981-07-01), Nakamura
patent: 4499487 (1985-02-01), Takayama et al.
patent: 4567509 (1986-01-01), Takayama et al.
patent: 4584598 (1986-04-01), Kutaragi
patent: 4605955 (1986-08-01), Hashimoto et al.
patent: 4616253 (1986-10-01), Hashimoto et al.
patent: 4700219 (1987-10-01), Tanaka et al.

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