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:
Jun. 08, 2021
Filed:
Jun. 29, 2020
Tatsuya Kubo, Kanagawa, JP;
Junichi Matsumoto, Kanagawa, JP;
Shuntaroh Tamaki, Kanagawa, JP;
Hiroaki Okamoto, Kanagawa, JP;
Tatsuya Kubo, Kanagawa, JP;
Junichi Matsumoto, Kanagawa, JP;
Shuntaroh Tamaki, Kanagawa, JP;
Hiroaki Okamoto, Kanagawa, JP;
Ricoh Company, Ltd., Tokyo, JP;
Abstract
A powder amount detector detects an amount of powder in a powder container of a cylindrical shape arranged horizontally. The powder amount detector includes a pair of measuring electrodes configured to detect capacitance between the pair of measuring electrodes to detect the amount of powder. The pair of measuring electrodes is disposed around the powder container. One of the pair of measuring electrodes has a flat shape, and the other of the pair of measuring electrodes has an arc shape following a shape of the powder container.