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. 06, 2013

Filed:

Mar. 14, 2011
Applicants:

Jung-pa Seo, Gwangmyeong-si, KR;

Jang-hoon Yoo, Seoul, KR;

Inventors:

Jung-pa Seo, Gwangmyeong-si, KR;

Jang-hoon Yoo, Seoul, KR;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 15/02 (2006.01);
U.S. Cl.
CPC ...
Abstract

A lens system and a photographing apparatus including the lens system are provided, the lens system including a first sub lens system that includes a plurality of lens groups, and a second sub lens system that includes a replacement lens group that replaces or is replaced by some of the plurality of lens groups.


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