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:
Apr. 14, 2020
Filed:
Dec. 12, 2016
Pfu Limited, Kahoku-shi, Ishikawa, JP;
Hirotoshi Kakuda, Kahoku, JP;
PFU LIMITED, Kahoku-Shi, Ishikawa, JP;
Abstract
Provided is a document reading apparatus wherein plurality of color reference boards can be flexibly changed. A document reading apparatus includes a document reading module, a document cover provided at a position where the document cover faces against the document reading module, an abutment portion provided in the document cover, a plurality of color reference boards detachably set up relative to the document cover, and a coupling portion that couples the plurality of color reference boards together and that abuts against the abutment portion. Each of the plurality of color reference boards includes a surface that faces against the document reading module and that has different reflectance.