Exposure amount indicator

Details Exposure amount indicator Exposure amount indicator

1992-01-24

1993-06-08

Gellner, Michael L.

354475, 3541271, G03B 1718, G03B 1505

Patent

active

052183980

ABSTRACT:
A TTL automatic light modulation electronic flash device having transmission means, control means and indication means is combined with a camera. The electronic flash device receives a signal from the camera in the transmission means, and the control means controls the indication means to indicate data concerning an improper exposure amount.

REFERENCES:
patent: 4122465 (1978-10-01), Hasegawa et al.
patent: 4519683 (1985-05-01), Hagyuda et al.
patent: 4985725 (1991-01-01), Serikawa

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