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:
Apr. 16, 2019

Filed:

Dec. 04, 2014
Applicant:

Hanwha Land Systems Co., Ltd., Changwon-si, KR;

Inventors:

Jin Seok Park, Changwon-si, KR;

Seung Park, Changwon-si, KR;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01J 1/02 (2006.01); G01D 11/24 (2006.01); G01J 1/42 (2006.01); G02B 27/00 (2006.01); G01S 7/481 (2006.01);
U.S. Cl.
CPC ...
G01J 1/0252 (2013.01); G01D 11/245 (2013.01); G01J 1/42 (2013.01); G02B 27/0006 (2013.01); G01S 7/4813 (2013.01);
Abstract

A foreign substance prevention apparatus according to an embodiment of the present invention may comprise: a housing including a suction port which is a passage for sucking external air, and a discharge port for discharging the sucked external air; a fan which exists inside the housing and rotates so as to suck the external air; and a connection bracket for connecting the housing and a sensor.


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