Patent
1976-03-24
1978-02-28
O'Connor, Edna M.
354288, G03B 700
Patent
active
040770419
ABSTRACT:
A photographic camera employing a cartridge film, has no film sensitivity setting arrangement but has been preset to a predetermined film sensitivity. The cartridge has an index member projecting from a side thereof and is notched to provide a predetermined configuration corresponding to the particular sensitivity rating of the film contained in the cartridge. Disposed within a cartridge chamber of the camera is a sensing member for detecting the sensitivity of the film contained in said cartridge from the particular configuration of the index member. The sensing member is operatively associated with control means for rendering the camera photographically inoperative. The sensing member functions in such a manner that, when the camera is loaded with a cartridge of film having a predetermined sensitivity, it actuates the control means to render the camera photographically operative and upon loading with a cartridge of film having a different sensitivity, actuates the same means to render the camera photographically inoperative.
REFERENCES:
patent: 3110215 (1963-11-01), Jenkins et al.
patent: 3470799 (1969-10-01), Engelsmann et al.
patent: 3570382 (1971-03-01), Neudecker
patent: 3672279 (1972-06-01), Hackenberg et al.
patent: 3678827 (1972-07-01), Eagle et al.
Minolta Camera Kabushiki Kaisha
O'Connor Edna M.
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