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. 06, 1978
Filed:
May. 25, 1976
Applicant:
Inventor:
Mitsuo Yasukuni, Sakai, JA;
Assignee:
Minolta, Torrance, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B / ;
U.S. Cl.
CPC ...
350206 ; 350220 ;
Abstract
An objective lens system particularly adapted for photography with a frontal aperture stop is provided. The lens system includes four lens components including a positive doublet. A diaphragm is provided in front of the first lens component and the lens system satisfies the following relationships;