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Patent Searching and Data


Title:
OPTICAL SORTING MACHINE
Document Type and Number:
WIPO Patent Application WO/2021/125133
Kind Code:
A1
Abstract:
This optical sorting machine is provided with a first light source disposed on a first side, a second light source disposed on a second side, an optical sensor configured to detect light in a plurality of scanning periods including a first scanning period and a second scanning period, a determination unit configured to make a determination of foreign matter and/or a defective product, and a light source control unit. The light source control unit is configured to control the first light source and the second light source such that lighting in the first scanning period has a first lighting pattern that is a lighting pattern freely selected from among a lighting pattern in which the first light source and the second light source are on, a lighting pattern in which only one of the first light source and the second light source is on, and a lighting pattern in which only the other of the first light source and the second light source is on, and that lighting in the second scanning period has a second lighting pattern that is a lighting pattern freely selected from among the lighting patterns other than the first lighting pattern.

Inventors:
MIYAMOTO TOMOYUKI (JP)
SADAMARU MASAAKI (JP)
TAKEUCHI HIROAKI (JP)
MATSUSHITA TADASHI (JP)
Application Number:
PCT/JP2020/046552
Publication Date:
June 24, 2021
Filing Date:
December 14, 2020
Export Citation:
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Assignee:
SATAKE ENG CO LTD (JP)
International Classes:
B07C5/342; G01N21/85
Foreign References:
JP2003205269A2003-07-22
JP2016197065A2016-11-24
JP2008302314A2008-12-18
JP2010042326A2010-02-25
Other References:
See also references of EP 4079418A4
Attorney, Agent or Firm:
YUCHI INTERNATIONAL PATENT FIRM (JP)
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