Exposure control device of camera for flash exposure

Details Exposure control device of camera for flash exposure Exposure control device of camera for flash exposure

1982-04-06

1984-02-07

Perkey, William B.

354416, 354418, 354432, G03B 7081, G03B 728, G03B 1505

Patent

active

044299699

ABSTRACT:
An exposure control device for use in a camera can judge, in response to information from light-measuring means on the luminance of natural light illumination in the object field and to information from a flash unit whether a flash light is required for the photographing of said object field, whether said photographing is made in the normal flash exposure mode or in the daylight flash exposure mode.

REFERENCES:
patent: 3792484 (1974-02-01), Tsujimoto et al.
patent: 3855601 (1974-12-01), Uchiyama et al.
patent: 4007469 (1977-02-01), Land et al.
patent: 4086582 (1978-04-01), Kiyohara et al.
patent: 4306787 (1981-12-01), Fukuhara et al.
patent: 4331400 (1982-05-01), Brownstein et al.

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