Signaling arrangement for an electrical shutter

Details Signaling arrangement for an electrical shutter Signaling arrangement for an electrical shutter

1975-09-15

1977-05-17

Gonzales, John

354235, G03B 1738

Patent

active

040245560

ABSTRACT:
An electric shutter comprising a front blade actuating lever, a signaling lever engageable with said front blade actuating lever and a rear blade actuating lever capable of releasing said signaling lever so that the signaling lever may rotate fully in a predetermined range only at the time of such state that the rear blade actuating lever begins to move prior to the front blade actuating lever by the shutter release and the photographer may be informed by the rotation of the signaling lever of the fact that the exposing operation of the shutter is not being properly made.

REFERENCES:
patent: 3925799 (1975-12-01), Nokatani
patent: 3927416 (1975-12-01), Inoue

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