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. 01, 2025
Filed:
Dec. 09, 2021
Canon Kabushiki Kaisha, Tokyo, JP;
Masafumi Monde, Kanagawa, JP;
Junya Azami, Shizuoka, JP;
Hiromitsu Kumada, Shizuoka, JP;
Ryuichi Araki, Chiba, JP;
Mayumi Sakai, Shizuoka, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
A device includes a sensor including an emission unit which emits ultrasonic waves and a reception unit which receives the ultrasonic waves, the emission unit and the reception unit being arranged opposite each other across a conveyance path through which a recording material is conveyed, an instruction unit which supplies, to the emission unit, a first drive input or a second drive input larger than the first drive input, and a detection unit which detects information about a grammage of the recording material based on a first value obtained by the reception unit receiving ultrasonic waves emitted from the emission unit with the first drive input supplied thereto and coming not through the recording material and a second value obtained by the reception unit receiving ultrasonic waves emitted from the emission unit with the second drive input supplied thereto and coming through the recording material.