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.
Patent No.:
Date of Patent:
Mar. 14, 2017
Filed:
Sep. 28, 2015
Applicant:
Seiko Epson Corporation, Tokyo, JP;
Inventor:
Koji Higuchi, Shiojiri, JP;
Assignee:
Seiko Epson Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B65H 7/14 (2006.01); B65H 7/04 (2006.01); B65H 43/02 (2006.01); B65H 1/02 (2006.01);
U.S. Cl.
CPC ...
B65H 7/14 (2013.01); B65H 1/02 (2013.01); B65H 7/04 (2013.01); B65H 43/02 (2013.01); B65H 2553/414 (2013.01); B65H 2553/46 (2013.01); B65H 2801/12 (2013.01);
Abstract
A medium detection mechanism includes a medium guide that holds a medium and an optical sensor including an irradiation section that emits irradiation light to the medium guide and a light receiving section that receives reflected light. An amount of received light that is received by the light receiving section from among reflected light of external light that enters the medium guide and reflected light of the irradiation light is smaller than or equal to a predetermined value.