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:
Nov. 03, 2015

Filed:

Sep. 13, 2012
Applicants:

Cheol-eun Jang, Suwon-si, KR;

Hee-seung Choi, Gunpo-si, KR;

Kun-woo Lee, Suwon-si, KR;

Woo-jong Cho, Suwon-si, KR;

Sung-wook Choi, Changwon-si, KR;

Inventors:

Cheol-eun Jang, Suwon-si, KR;

Hee-seung Choi, Gunpo-si, KR;

Kun-woo Lee, Suwon-si, KR;

Woo-jong Cho, Suwon-si, KR;

Sung-wook Choi, Changwon-si, KR;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04N 13/02 (2006.01); G02F 1/13 (2006.01); G02B 26/00 (2006.01); G03B 11/00 (2006.01); G03B 35/02 (2006.01);
U.S. Cl.
CPC ...
G03B 11/00 (2013.01); G03B 35/02 (2013.01);
Abstract

An optical adjusting device includes: a rotating unit that includes and rotates about a through-hole through which light passes; at least one moving unit that is movably disposed relative to the rotating unit and is linearly movable between an advance position corresponding to the through-hole and a retreat position outside the through-hole; a transmitting unit that is disposed between the rotating unit and the moving unit and transmits a rotational force of the rotating unit to the moving unit; and an optical unit that is disposed on the moving unit and blocks at least part of light passing through the through-hole.


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