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:
Feb. 14, 1984
Filed:
Sep. 22, 1980
Applicant:
Inventor:
Akiyoshi Nakamura, Sakai, JP;
Assignee:
Minolta Camera Kabushiki Kaisha, Machi, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02B / ; G02B / ;
U.S. Cl.
CPC ...
350432 ; 350458 ;
Abstract
The present invention is directed to an inverted telephoto type wide angle lens system having a field angle of 114 degrees and an aperture ratio of 1/2.8. The lens system comprises eleven lens groups and fourteen lens elements which fulfill the following conditons: