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:
May. 12, 2020
Filed:
Jul. 26, 2019
Junichi Matsumoto, Kanagawa, JP;
Tatsuya Kubo, Kanagawa, JP;
Shuntaroh Tamaki, Kanagawa, JP;
Hiroaki Okamoto, Kanagawa, JP;
Junichi Matsumoto, Kanagawa, JP;
Tatsuya Kubo, Kanagawa, JP;
Shuntaroh Tamaki, Kanagawa, JP;
Hiroaki Okamoto, Kanagawa, JP;
Ricoh Company, Ltd., Tokyo, JP;
Abstract
A powder supply device includes a powder conveyance path and a pair of electrodes to supply powder from a powder container. The powder conveyance path is configured to transport the powder in the powder container. The pair of electrodes is disposed at least in part in or on the powder conveyance path. The powder supply device is configured to detect an amount of powder in the powder conveyance path based on change of capacitance between the pair of electrodes.