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. 31, 2021
Filed:
Jan. 18, 2019
Omron Corporation, Kyoto, JP;
Goro Nakao, Inazawa, JP;
Atsushi Nomura, Ichinomiya, JP;
Yusuke Kawai, Ichinomiya, JP;
Toshiyuki Zaitsu, Yokohama, JP;
OMRON Corporation, Kyolo, JP;
Abstract
A contactless power transmission apparatus includes a secondary device that includes a resonant circuit including a second transmitter coil that transmits and receives electric power to and from a first transmitter coil included in a primary device and a resonant capacitor connected in parallel to the second transmitter coil, a second converter circuit connected to the resonant circuit to convert alternating current power flowing through the resonant circuit to direct current power and convert direct current power to alternating current power flowing through the resonant circuit, a coil connected in series to the second transmitter coil between the resonant circuit and the second converter circuit, and a capacitor connected in series to the second transmitter coil between the second transmitter coil and the second converter circuit.