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:
Feb. 06, 2024
Filed:
Jan. 18, 2022
Applicant:
Pfu Limited, Kahoku, JP;
Inventor:
Masaaki Sakai, Kahoku, JP;
Assignee:
PFU LIMITED, Kahoku, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B65H 7/12 (2006.01); B65H 7/18 (2006.01);
U.S. Cl.
CPC ...
B65H 7/125 (2013.01); B65H 7/18 (2013.01); B65H 2511/13 (2013.01); B65H 2511/524 (2013.01); B65H 2553/30 (2013.01);
Abstract
A medium conveying apparatus includes a conveying roller to convey a rectangular medium, and a processor to generate an input image acquired by imaging the conveyed medium, detect an overlap of the conveyed medium, detect an object area from the input image, determine whether an outer shape of the object area is rectangular, determine whether a multi-feed of the medium has occurred based on whether the overlap of the medium has been detected and whether the outer shape of the object area is rectangular, and execute an abnormality processing when it is determined that the multi-feed of the medium has occurred.