Correct exposure annunciating device

Details Correct exposure annunciating device Correct exposure annunciating device

1982-03-08

1983-09-06

Perkey, William B.

G03B 1505

Patent

active

044025890

ABSTRACT:
A correct exposure annunciator has an element to indicate a correct exposure. The indicating element is energized in normal flash photography to indicate correct exposure. When abnormal flash photography is carried out, the element is de-energized by a signal, representing the AE mode, and the light is turned off.

REFERENCES:
patent: 3979639 (1976-09-01), Adams, Jr.
patent: 3993928 (1976-11-01), Wilwerding
patent: 3999193 (1976-12-01), Hasegawa
patent: 4200370 (1980-04-01), Aizawa et al.
patent: 4331406 (1982-05-01), Kiuchi et al.

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