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:
Nov. 28, 2017
Filed:
Apr. 08, 2014
Applicant:
Canon Kabushiki Kaisha, Tokyo, JP;
Inventor:
Katsuhiko Yanagawa, Inagi, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01F 38/00 (2006.01); H01F 38/14 (2006.01); H02J 50/10 (2016.01); H02J 50/80 (2016.01);
U.S. Cl.
CPC ...
H01F 38/14 (2013.01); H02J 50/10 (2016.02); H02J 50/80 (2016.02);
Abstract
A power transmission device that wirelessly supplies power with a power receiving device includes a power transmission unit configured to wirelessly transmit power to a power receiving device, a receiving unit configured to receive a receiving power amount from the power receiving device, an evaluation unit configured to compare a reference value of the power receiving device and the receiving power amount and evaluate a transmission efficiency of power to the power receiving device based on a comparison result, and a transmission unit configured to transmit an evaluation result by the evaluation unit to the power receiving device.