Film detection member for a single-use camera

Photography – Having camera indicator – Film condition indicator

Patent

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Details

396 6, G03B 100

Patent

active

056171692

ABSTRACT:
A single-use camera which is loaded with a film cartridge, having a light-shielding cover on a film gate, when the single-use camera is assembled. The camera includes: the film cartridge for accommodating a photographic film; a film-winding knob, capable of rotating, for winding the photographic film; a film detection member for detecting the photographic film at a position outside the film cartridge in the camera; and a mechanism for moving the light-shielding cover to a closed position where the light-shielding cover closes the film gate when the film detection member detects absence of the photographic film at the position.

REFERENCES:
patent: 4961085 (1990-10-01), Cho et al.
patent: 5231438 (1993-07-01), Smart

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