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:
Apr. 07, 2015

Filed:

Jan. 06, 2014
Applicant:

Seiko Epson Corporation, Tokyo, JP;

Inventors:

Tsunenobu Endo, Matsumoto, JP;

Yuto Togawa, Matsumoto, JP;

Shogo Kurosawa, Matsumoto, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01N 21/55 (2014.01); G01N 21/47 (2006.01); G01N 21/31 (2006.01); G07D 7/12 (2006.01);
U.S. Cl.
CPC ...
G01N 21/4738 (2013.01); G01N 21/31 (2013.01); G01N 21/55 (2013.01); G07D 7/122 (2013.01);
Abstract

A recording medium determining device includes a light irradiating portion that irradiates a recording medium with visible light; a regular reflection light receiving portion that receives regular reflection light regularly reflected by the recording medium irradiated with light from the light irradiating portion; a diffused reflection light receiving portion that receives diffused reflection light diffusely reflected by the recording medium irradiated with light from the light irradiating portion; and a determining portion that determines the type of recording medium on the basis of each light amount of two or more visible light components with different wavelengths to one another among the light components received by the regular reflection light receiving portion and each light amount of two or more visible light components with different wavelengths to one another among the light components received by the diffused reflection light receiving portion.


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