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:
Nov. 12, 2019
Filed:
Jul. 31, 2015
Maps, Inc., Yongin-si, KR;
Jong-Tae Hwang, Seoul, KR;
Hyun-Ick Shin, Seoul, KR;
Dong-Su Lee, Dongducheon-si, KR;
Jong-Hoon Lee, Seongnam-si, KR;
Sang-O Jeon, Suwon-si, KR;
Ik-Gyoo Song, Incheon, KR;
Dae-Ho Kim, Yongin-si, KR;
Joon Rhee, Seoul, KR;
MAPS, Inc., Yongin-si, KR;
Abstract
A magnetic resonance wireless power transmission device capable of adjusting resonance frequency is disclosed. A wireless power transmission device according to an embodiment of the present invention comprises: a power amplifier for amplifying a wireless power signal using a driving frequency signal; a resonator for configuring a resonance tank and wirelessly transmitting, through magnetic resonance, the wireless power signal output from the power amplifier using a resonance frequency of the resonance tank; and a resonance control unit for controlling a duty ratio using a frequency applied to the resonator or a frequency signal generated by the resonator and adjusting the resonance frequency of the resonator.