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:
Aug. 17, 2010
Filed:
Jan. 03, 2008
Applicants:
Jae Cheol Jeong, Gyunggi-do, KR;
Chul Yeub Han, Gyunggi-do, KR;
Young Gi Kim, Gyunggi-do, KR;
Inventors:
Assignee:
Samsung Electro-Mechanics Co., Ltd., Suwon, KR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 9/36 (2006.01); G02B 13/18 (2006.01); G02B 3/02 (2006.01);
U.S. Cl.
CPC ...
Abstract
A subminiature imaging optical system including: first, second, third and fourth lenses sequentially positioned from an object side to an image side, the first lens having positive refractivity, the second lens having a concave image-side surface and having negative refractivity, the third lens having negative refractivity, and the fourth lens having positive refractivity, wherein the second lens satisfies following condition 1, and the third lens satisfies following condition 2,20<V2<50  condition 1,20<V3<50  condition 2,