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:
Aug. 21, 2018
Filed:
Aug. 29, 2016
Applicant:
Seiko Epson Corporation, Tokyo, JP;
Inventor:
Shuji Otsuka, Shiojiri, JP;
Assignee:
Seiko Epson Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01B 11/30 (2006.01); G01N 21/47 (2006.01);
U.S. Cl.
CPC ...
G01B 11/303 (2013.01); G01N 21/4738 (2013.01);
Abstract
A medium texture detection device includes: a radiation optical system that radiates non-coherent light to a sheet-shaped medium which is being transported; and a light reception optical system that receives diffused/reflected light of the non-coherent light from the medium. A surface of the medium has a basic structure for making a change in an intensity of the diffused/reflected light according to a position of the medium in a transport direction of the medium. A visual field of the light reception optical system is set to be equal to or greater than 1/10 times and equal to or less than 4 times of a size of the basic structure.