公开(公告)号：US10751990B2

公开(公告)日：2020-08-25

申请号：US16503427

申请日：2019-07-03

Applicant: SEMES CO., LTD.

Inventor： Keun Hwa Yang ,  Soon Yong Jeong ,  Jung Wan Hong ,  Gon Kim

IPC: B41J2/045 ,  G01N21/31 ,  B41J2/14

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.