Title:
ワイヤレス電力送信機、ワイヤレス電力送信システム及びワイヤレス電力送信システム駆動方法
Document Type and Number:
Japanese Patent JP7186698
Kind Code:
B2
Abstract:
A wireless power transmitter, a power transmission system and a method for driving a wireless power transmitter are disclosed. In an embodiment, a wireless power transmitter includes an inverter, an impedance circuit, an inductance circuit including a first transmission coil and a second transmission coil and a switch circuit, wherein the impedance circuit and the inductance circuit are configured to establish a resonance circuit, wherein the inverter is configured to provide AC power to the resonance circuit, and wherein the switch circuit is configured to couple the first transmission coil and/or the second transmission coil to the impedance circuit to change a resonance frequency of the resonance circuit and to keep a frequency of the AC power within a prescribed range.
Inventors:
Hemphill, Hugh
Chiyo, Noritaka
Chiyo, Noritaka
Application Number:
JP2019522659A
Publication Date:
December 09, 2022
Filing Date:
November 02, 2016
Export Citation:
Assignee:
Tadeker Electronics Arge
International Classes:
H02J50/40; H02J50/12
Domestic Patent References:
| JP2011517926A | ||||
| JP2016039773A | ||||
| JP2015508940A | ||||
| JP4453741B2 | ||||
| JP2010239769A | ||||
| JP2014138509A | ||||
| JP2016004990A | ||||
| JP2016103645A |
Foreign References:
| WO2016147293A1 | ||||
| WO2015140917A1 |
Attorney, Agent or Firm:
Tadashige Ito
Tadahiko Ito
Osamu Miyazaki
Tadahiko Ito
Osamu Miyazaki
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