The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 20, 1978
Filed:
Dec. 02, 1976
Susumu Fujita, Kobe, JA;
Fuji Photo Film Co., Ltd., Minami Ashigara, JA;
Abstract
An exposure adjusting mechanism in a compact photographic camera of a type utilizing roll film cartridges containing therein roll films of different sensitivity comprises a diaphragm mechanism for controlling the amount of the incoming light to be exposed on a frame of the film. The diaphragm mechanism includes a aperture setting slide supported for movement to any one of multiple positions representative of f-stop numbers. These positions of the aperture setting slide are defined by indicium on an aperture scale bar which is moved in response of any one of the film cartridges which are provided with actuators for operating a linkage system to move the scale bar. Depending upon the type of film cartridge loaded in the camera, some or all of the indicium on the scale bar are displayed to the sight of a photographer to show the available number of f-stop numbers and the type of film.