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:
Sep. 15, 2015
Filed:
Oct. 31, 2013
Applicant:
Kolen Co., Ltd., Gyeonggi-do, KR;
Inventors:
Chi Ho Ahn, Gyeonggi-do, KR;
Jae Hoon Cho, Seongnam Si, KR;
Ji Eun Kim, Seongnam-si, KR;
Chan Goo Kang, Daejeon, KR;
Se Jin Kim, Seoul, KR;
Assignee:
KOLEN CO., LTD., , KR;
Primary Examiner:
Int. Cl.
CPC ...
G02B 3/02 (2006.01); G02B 13/00 (2006.01);
U.S. Cl.
CPC ...
G02B 13/0035 (2013.01);
Abstract
An imaging lens system includes, sequentially from an object side to an image side: a first lens having a positive refractive power; a second lens having a negative refractive power; and a third lens having a positive refractive power or a negative refractive power, wherein a viewing angle θ satisfies following condition,0.7<|tan θ|<1.5.