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. 11, 2013
Filed:
Feb. 18, 2011
Applicant:
Hyoung Bae Park, Seoul, KR;
Inventor:
Hyoung Bae Park, Seoul, KR;
Assignee:
Kolen Co., Ltd., , KR;
Primary Examiner:
Int. Cl.
CPC ...
G02B 13/18 (2006.01);
U.S. Cl.
CPC ...
Abstract
A lens optical system including, in a sequence from an object to an imaging device on which an image of the object is formed; a first lens having a a positive refractive power; a second lens having negative refractive power; a third lens having a a positive refractive power; and a fourth lens having a negative refractive power and an incident surface facing the object is concave and an exit surface facing the imaging device has an inflection point.