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:
May. 11, 1982
Filed:
Jun. 06, 1980
Applicant:
Inventor:
Ortwin Rosner, Munich, DE;
Assignee:
Rollei-Werke Franke & Heidecke GmbH & Co., Brunswick, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03B / ;
U.S. Cl.
CPC ...
250201 ; 354 25 ;
Abstract
An imaging system, particularly for application in a camera with a zoom lens, having at least two lenses with variable distance from a fixed image plane, means for adjusting one of the lenses for setting the resultant focal length of the system, and automatic means for adjusting the position of the other lens, or of the entire lens system including any other lenses, by means of a focus determining element in the fixed image plane.