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:
Aug. 19, 2014

Filed:

Jul. 03, 2012
Applicant:

Young-woo Park, Changwon-si, KR;

Inventor:

Young-woo Park, Changwon-si, KR;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 9/06 (2006.01); G02B 9/04 (2006.01);
U.S. Cl.
CPC ...
G02B 9/04 (2013.01);
Abstract

An imaging lens system includes a first lens group having a positive refractive power and a second lens group having a positive refractive power, the first lens group and the second lens group are sequentially arranged from an object side to an image surface. The first lens group includes a first lens having a positive refractive power, a second lens having a positive refractive power, and a third lens having a negative refractive power and having a concave surface toward the image surface, which are sequentially arranged from the object side to the image surface. The second lens group includes a cemented lens of a fourth lens that has a concave surface toward the object side and is a negative lens and a fifth lens that is a positive lens, which are sequentially arranged from the object to the image surface.


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