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:
Mar. 19, 2013

Filed:

Sep. 21, 2011
Applicants:

Woo-jong Cho, Suwon-si, KR;

Mun-cheol Choi, Hwaseong-si, KR;

Chan-young Moon, Siheung-si, KR;

Inventors:

Woo-jong Cho, Suwon-si, KR;

Mun-cheol Choi, Hwaseong-si, KR;

Chan-young Moon, Siheung-si, KR;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03B 35/00 (2006.01); H04N 13/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

An optical path adjusting device includes a supporting plate having a hole through which light travels, a two-dimensional (2D) aperture disposed in the supporting plate so as to adjust an open area of the hole, and a three-dimensional (3D) aperture having a plurality of first blinds and a plurality of second blinds. The plurality of first blinds are disposed to correspond to a first area of the hole so as to move to open or close the first area, and the plurality of second blinds are disposed to correspond to a second area of the hole so as to move to open or close the second area.


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