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:
Aug. 17, 2021
Filed:
May. 11, 2018
Omron Corporation, Kyoto, JP;
Goro Nakao, Inazawa, JP;
Yusuke Kawai, Ichinomiya, JP;
Toshiyuki Zaitsu, Kyotanabe, JP;
Atsushi Nomura, Ichinomiya, JP;
Omron Corporation, Kyoto, JP;
Abstract
A power transmission devicein a non-contact power supply devicehas: a transmission coilthat supplies power to a power reception device; and a power supply circuitthat supplies AC voltage having a switching frequency at which the transmission coildoes not resonate, to the transmission coil. A power reception devicehas: a resonance circuithaving a reception coilthat receives power from the power transmission deviceand a resonance capacitorconnected in parallel to the reception coil; a rectification circuitthat rectifies power output from the resonance circuit; and a coilconnected in series to the reception coil, between the resonance circuitand the rectification circuit