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公开(公告)号：US11433692B2
公开(公告)日：2022-09-06
申请号：US16836981
申请日：2020-04-01
Applicant: FUJIFILM BUSINESS INNOVATION CORP.
Inventor： Akira Mihara , Kazuhiro Sakai , Masaya Kumei
Abstract: A detection sensor includes: a single light-emitting element that radiates light onto a conveyed material; and multiple light-receiving elements that receive interference light including the light that is scattered at a surface of the conveyed material and the light that is scattered inside the conveyed material.
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