Camera apparatus for preventing double-exposure of film returned

Details Camera apparatus for preventing double-exposure of film returned Camera apparatus for preventing double-exposure of film returned

1990-03-12

1991-02-19

Hix, L. T.

354275, G03B 1902

Patent

active

049948334

ABSTRACT:
In a camera for exposing a filmstrip normally stored in a light-tight cassette which is inherently capable of thrusting the filmstrip out of the cassette regardless of the exposure condition of the filmstrip but has a film-exposure status indicator movable from an unexposed position for providing a visible indication that the filmstrip is generally unexposed, to a partly exposed position for providing a visible indication that the filmstrip is partly exposed, and to an exposed position for providing a visible indication that the filmstrip is substantially exposed, apparatus is provided for preventing exposure of the filmstrip when the status indicator is in its exposed position and for permitting exposure of the filmstrip when the status indicator is in its unexposed or partly exposed position.

REFERENCES:
patent: 4310233 (1982-01-01), Okuyama et al.
patent: 4401379 (1983-08-01), Tamamura et al.

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