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:
Mar. 12, 1985
Filed:
Oct. 04, 1983
Applicant:
Inventors:
Werner Schlapp, Asslar, DE;
Werner Wiessner, Wetzlar, DE;
Assignee:
Ernst Leitz Wetzlar GmbH, Wetzlar, DE;
Primary Examiner:
Int. Cl.
CPC ...
G03B / ;
U.S. Cl.
CPC ...
354272 ; 354152 ; 354274 ;
Abstract
A compensating mechanism is provided on the leaf guide ring of a photographic objective for single-lens mirror reflex camera which opens to its largest value after a picture is taken in response to the hinge motion of the camera reflex mirror. The mechanism compensates for the advance of the diaphragm control lever on the camera side controlled by the reflex mirror.