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.
Patent No.:
Date of Patent:
May. 24, 2022
Filed:
Oct. 23, 2020
Applicant:
Semes Co., Ltd., Chungcheongnam-do, KR;
Inventors:
Kwangsup Kim, Chungcheongnam-do, KR;
Dongok Ahn, Gyeonggi-do, KR;
Junho Oh, Gyeonggi-do, KR;
Ji Hoon Yoo, Daegu, KR;
Myeong Jun Lim, Gyeonggi-do, KR;
Assignee:
SEMES CO., LTD., Chungcheongnam-do, KR;
Primary Examiner:
Int. Cl.
CPC ...
B41J 2/045 (2006.01);
U.S. Cl.
CPC ...
B41J 2/04561 (2013.01); B41J 2/04586 (2013.01);
Abstract
An inspection module is disclosed for inspecting a droplet from an ink jet head. The inspection module includes a sensor located under the ink jet head and measuring a distance between the droplet and the sensor in real time; a variable lens changing an operating distance based on the measured distance of the sensor; and a camera for capturing an image of the droplet. The inspection module further includes a droplet inspecting part inspecting the droplet image captured by the camera.