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. 22, 2022
Filed:
Aug. 04, 2020
Pfu Limited, Kahoku, JP;
Masaaki Sakai, Kahoku, JP;
PFU LIMITED, Kahoku, JP;
Abstract
A medium conveying apparatus includes a processor to detect edge pixel from a first line image and a second line image, select a first surface or a second surface of the medium, based on the number of the detected edge pixels, a comparison between a gradation value of each of the detected edge pixels and a gradation value of a peripheral pixel of each of the detected edge pixels, or a variation of gradation values of pixels within a predetermined distance from each of the detected edge pixels or the peripheral pixel of each of the detected edge pixels, estimate a shape of the medium based on a line image acquired by imaging the selected surface, and control a conveying roller or cut out a medium image from the first line image and the second line image and output the medium image, based on the estimated shape.