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:
Jan. 21, 2020
Filed:
Jun. 21, 2018
Canon Kabushiki Kaisha, Tokyo, JP;
Nobuhiko Tanaka, Tokyo, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
A power transmission device includes a power transmission unit configured to transmit electric power to a plurality of power reception devices, a communication unit configured to exchange charging information with the plurality of power reception devices, a determination unit configured to determine based on the charging information, for each of the plurality of power reception devices, whether the power reception device is capable of limiting power reception, a detection unit configured to detect based on the charging information, for each of the plurality of power reception devices, completion of charging of the power reception device, and a control unit configured to perform control so that power transmission is stopped in a case where the detection unit detects that at least one power reception device incapable of limiting power reception has completed charging.