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.

Date of Patent:
May. 20, 1980

Filed:

Jun. 23, 1978
Applicant:
Inventor:

Ikuo Mori, Kawasaki, JP;

Assignee:

Nippon Kogaku K.K., Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B / ;
U.S. Cl.
CPC ...
350216 ;
Abstract

An inverted telephoto type wide angle lens system comprises, in order from the object side, a negative meniscus lens having its convex surface facing the object side, a first positive lens, a negative lens, a second positive lens and a third positive lens. The lens system satisfies certain conditions.


Find Patent Forward Citations

Loading…