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:
Jul. 27, 2010

Filed:

Mar. 12, 2008
Applicants:

Hye Ran OH, Gyunggi-do, KR;

IN Cheol Chang, Gyunggi-do, KR;

Seok Cheon Lee, Gyunggi-do, KR;

Young Su Jin, Gyunggi-do, KR;

Cheong Hee Lee, Gyunggi-do, KR;

Inventors:

Hye Ran Oh, Gyunggi-do, KR;

In Cheol Chang, Gyunggi-do, KR;

Seok Cheon Lee, Gyunggi-do, KR;

Young Su Jin, Gyunggi-do, KR;

Cheong Hee Lee, Gyunggi-do, KR;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 9/06 (2006.01); G02B 9/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

An optical system is mounted in a mobile communication terminal and a personal digital assistant (PDA) for a monitoring camera and a digital camera. The optical system includes: a first optical element formed in a meniscus shape entirely convex toward an object and having a positive refractive power; and a second optical element having an object-side surface convex toward the object and an image-side surface formed of a plane, wherein the second optical element includes: a fourth optical element having an object-side surface entirety convex toward the object on the optical axis; and a fifth optical element having an object-side surface in contact with an image-side surface of the fourth optical element, and an image-side surface and an object-side surface formed of planes respectively.


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