Camera with back-up shutter and provisions for recording data in

Details Camera with back-up shutter and provisions for recording data in Camera with back-up shutter and provisions for recording data in

1979-10-31

1981-05-26

Gonzales, John

G03B 1724

Patent

active

042694957

ABSTRACT:
A single lens reflex camera having a back-up shutter, in addition to an exposure timing shutter, that covers the film to prevent it from being exposed while the photographer is viewing the subject through the main lens. An illuminated dated image is generated within the camera body and projected onto the emulsion side of the film in conjunction with primary image. A pivotable panel that forms part of the back-up shutter has a cutaway area through which a portion of the projection system for the data image passes as the panel moves between open and closed position. The projection system includes a frame engaged by the adjacent edge of the back-up shutter panel in a light-tight manner when the panel is in its closed position.

REFERENCES:
patent: 2992602 (1961-07-01), Heden
patent: 4025932 (1977-05-01), Miyagawa

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