The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Sep. 06, 2022

Filed:

Apr. 01, 2020
Applicant:

Fujifilm Business Innovation Corp., Tokyo, JP;

Inventors:

Akira Mihara, Kanagawa, JP;

Kazuhiro Sakai, Kanagawa, JP;

Masaya Kumei, Kanagawa, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B41J 29/38 (2006.01); B41J 13/00 (2006.01); B65H 20/02 (2006.01); G01P 3/36 (2006.01);
U.S. Cl.
CPC ...
B41J 13/0009 (2013.01); B65H 20/02 (2013.01); G01P 3/36 (2013.01); B65H 2513/10 (2013.01);
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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