Image pickup device having white balance control function

Details Image pickup device having white balance control function Image pickup device having white balance control function

1995-04-03

1995-11-07

Groody, James J.

Television

Camera, system and detail

Combined image signal generator and general image signal...

348224, 348226, 348227, H04N 973

Patent

active

054651166

ABSTRACT:
There is provided an apparatus having a discriminating circuit to discriminate a magnitude of an occupied area of a single object in a picture plane with respect to a video signal formed by an image pickup element from an object light when a white balance of the video signal is adjusted, wherein by controlling the white balance adjusting operation in accordance with an output of the discriminating circuit, the white balance can be preferably controlled even when the occupied area of the single object is large. Upon macro photographing as well, by making the white balance adjusting operation different from the operation in the ordinary photographing mode, the white balance can be preferably controlled.

REFERENCES:
patent: 5045928 (1991-09-01), Takaiwa et al.
patent: 5170247 (1992-12-01), Takagi et al.
patent: 5282024 (1994-01-01), Takei
patent: 5293238 (1994-03-01), Nakano et al.
patent: 5327226 (1994-07-01), Tanabe
patent: 5384595 (1995-01-01), Sakaguchi

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