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:
Oct. 06, 1981
Filed:
Jan. 30, 1980
Karl Wagner, Munich, DE;
Dieter Engelsmann, Unterhaching, DE;
Hubert Hackenberg, Holzkirchen, DE;
Peter Stiefel, Munich, DE;
AGFA-Gevaert Aktiengesellschaft, Leverkusen, DE;
Abstract
The control mechanism for a photographic camera using film carrtridges having coded marks indicative of the sensitivity of the employed film includes a hand-operated control member for setting at least one exposure parameter, an axially movable objective for setting the distance, an adjustable diaphragm, a scanner movable against the marks on the cartridge for displacing the control member in response to the coded marks, a stationary cam surface engaging the objective, transmission gears coupled between the control member and the objective to axially displace the latter according to a distance setting and according to the shape of the stationary cam and curves provided on the control member to display at least the applicable exposure range and the flash distance limits for the employed film sensitivity.