Calfee, Halter & Griswold LLP
Device and method for detecting ink droplet
The present disclosure relates to a device and method for detecting an ink droplet. The device includes a conveying means configured to convey an article to be printed to a printing position under a print head for ejecting the ink droplet; an imaging means configured to acquire an image of a printing area after the ink droplet is ejected on the printed area of the surface of the article by the print head; an analyzing means configured to acquire at least one geometric property of the ink droplet from the image and determine whether ink droplet abnormality has occurred based on the at least one geometric property.
BOE TECHNOLOGY GROUP CO., LTD.
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B41J B41J B41M G06T G06T G06T B41J B41J B41J B41J G06T B41J B41J B41J G06T B41J
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Jingkai Xiang Jinxiang Wenqi Zhongyuan
Ni Zhou Xue Liu Sun