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:
Feb. 22, 2022
Filed:
Jun. 24, 2020
Semes Co., Ltd., Cheonan-si, KR;
Ki Sub Yoon, Hwaseong-si, KR;
Man Gyu Lee, Daegu, KR;
SEMES CO., LTD., Cheonan-si, KR;
Abstract
A wireless power transmitting apparatus includes an AC power supplying unit being configured to supply a AC power for a vehicle of being configured to move along a travel track, a power cable coupling the vehicle and the AC power supplying unit to each other, the power cable transferring the power from the AC power supplying unit to the vehicle and a capacitance controlling unit provided on the power cable, the capacitance controlling unit having a variable capacitance value according to a length of the power cable to maintain a value of the resonance frequency constant. Therefore, the value of the resonance frequency may be kept constant irrespective of the length of the power cable.