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:
Sep. 14, 2021
Filed:
May. 10, 2018
Omron Corporation, Kyoto, JP;
Goro Nakao, Inazawa, JP;
Yusuke Kawai, Ichinomiya, JP;
Atsushi Nomura, Ichinomiya, JP;
Toshiyuki Zaitsu, Kyotanabe, JP;
Omron Corporation, Kyoto, JP;
Abstract
A power transmission devicefor a non-contact power supply devicehas: a transmission coil; a coilconnected in series to the transmission coilwithout joining to a reception coilduring power transmission, said reception coil being included in a resonance circuitfor a power reception device; a power supply circuitthat supplies, to the transmission coil, AC power having a switching frequency at which the transmission coildoes not resonate; and a control circuitthat controls the switching frequency and voltage of the AC power supplied to the transmission coiland controls whether or not both ends of the coilare short-circuited.