Title:
DETECTING METHOD AND DETECTING DEVICE
Document Type and Number:
WIPO Patent Application WO/2018/061338
Kind Code:
A1
Abstract:
Provided is a technique for detecting whether or not a liquid drops during a non-supply period. In this detecting method are performed: an image capturing step in which, during a non-supply period in which supply of liquid to a target nozzle from among one or more nozzles is stopped, image capture is performed in such a way that an imaging field of view includes a dropping path of liquid dropping from an opening of the nozzle; and a detecting step of using the result of the image capturing performed in the image capturing step to detect whether or not liquid has dropped. By this means it is possible to detect whether or not liquid drops from the nozzle during the non-supply period in which supply of liquid to the target nozzle is stopped.
Inventors:
KAKUMA HIROAKI (JP)
SAKATA KENSUKE (JP)
SAKATA KENSUKE (JP)
Application Number:
PCT/JP2017/022172
Publication Date:
April 05, 2018
Filing Date:
June 15, 2017
Export Citation:
Assignee:
SCREEN HOLDINGS CO LTD (JP)
International Classes:
G01V8/10; B05C11/00; B05C11/08
Foreign References:
| JP2016122681A | 2016-07-07 | |||
| JPH11329936A | 1999-11-30 | |||
| JP2011014849A | 2011-01-20 |
Attorney, Agent or Firm:
YOSHITAKE Hidetoshi et al. (JP)
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