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. 25, 2020

Filed:

Jul. 03, 2019
Applicant:

Semes Co., Ltd., Cheonan-si, Chungcheongnam-do, KR;

Inventors:

Keun Hwa Yang, Hwaseong-si, KR;

Soon Yong Jeong, Hwaseong-si, KR;

Jung Wan Hong, Hwaseong-si, KR;

Gon Kim, Seoul, KR;

Assignee:

SEMES CO., LTD., Cheonan-si, Chungcheongnam-do, KR;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B41J 2/045 (2006.01); G01N 21/31 (2006.01); B41J 2/14 (2006.01);
U.S. Cl.
CPC ...
B41J 2/0456 (2013.01); B41J 2/04563 (2013.01); B41J 2/04586 (2013.01); B41J 2/1433 (2013.01); G01N 21/3151 (2013.01); B41J 2002/14354 (2013.01);
Abstract

Disclosed is an apparatus for detecting liquid discharge characteristics according to an embodiment of the present invention, the apparatus including: a liquid supply unit supplying a liquid; a liquid guide unit including a flow path through which the liquid supplied from the liquid supply unit passes and a nozzle mounting portion communicating with the flow path and on which the nozzle is mounted and guiding the liquid supplied from the liquid supply unit to the nozzle mounted on the nozzle mounting portion; a lighting unit projecting light onto the liquid passing through the flow path inside the liquid guide unit; and a camera obtaining an image of the liquid discharged from the nozzle by being arranged toward the nozzle.


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