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. 29, 2021
Filed:
Feb. 22, 2019
Toyoda Gosei Co., Ltd., Kiyosu, JP;
Toru Kanto, Kiyosu, JP;
Shinichiro Fuki, Kiyosu, JP;
TOYODA GOSEI CO., LTD., Aichi-pref., JP;
Abstract
A wireless power feeder includes a power feeding circuit, two or more power receiving circuits, and an electromagnetic field coupling circuit. Each power receiving circuit includes a resonant circuit having a load, a power receiving coil, and a capacitor connected in series to each other. The power feeding circuit includes a resonant circuit having a power feeding coil and a capacitor connected in series to the power feeding coil. The power feeding coil includes surrounding portions equal in number to the power receiving coils. The surrounding portions are disposed such that one surrounding portion surrounds one power receiving coil. Adjacent surrounding portions are connected to each other.