Camera system

Details Camera system Camera system

1990-07-23

1992-05-05

Perkey, W. B.

354416, 354432, G03B 708, G03B 728, G03B 1505

Patent

active

051112310

ABSTRACT:
A camera system of the kind adjusting flash light quantity comprises a focus detecting circuit which detects the focused state of each of a plurality of areas arranged within an image field, and a light measuring circuit which measures the luminance of each of the areas of the image field respectively. In the camera system, the light measurement outputs obtained from these areas are individually weighted according to the focused states of the areas detected, and the quantity of flash light is adjusted on the basis of the weighted outputs of the light measuring circuit.

REFERENCES:
patent: 4423936 (1984-01-01), Johnson
patent: 4470681 (1984-09-01), Johnson
patent: 4959676 (1990-09-01), Matsuda et al.
patent: 4959678 (1990-09-01), Nakagawa
patent: 4974007 (1990-11-01), Yoshida
patent: 4977423 (1990-12-01), Yamano et al.
patent: 4984006 (1991-01-01), Ikemura et al.

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