Title:
WIRELESS POWER TRANSMISSION SYSTEM, POWER TRANSMITTING DEVICE, AND POWER RECEIVING DEVICE
Document Type and Number:
WIPO Patent Application WO/2019/117140
Kind Code:
A1
Abstract:
A wireless power transmission system is provided with a power transmitting device and a power receiving device. The power transmitting device is provided with: a first inverter circuit which outputs charging power for the transmission of power; a power transmitting antenna; and a first control circuit which controls the first inverter circuit. The power receiving device is provided with: a power receiving antenna; and a trigger applying circuit which applies, to power for detection which is supplied to the power receiving antenna, a trigger signal for providing notification of the presence of the power receiving device to the power transmitting device. The first control circuit controls the first inverter circuit to initiate an output of the charging power when the trigger signal is detected.
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Inventors:
SATO KAZUNORI
KANNO HIROSHI
KANNO HIROSHI
Application Number:
PCT/JP2018/045496
Publication Date:
June 20, 2019
Filing Date:
December 11, 2018
Export Citation:
Assignee:
PANASONIC IP MAN CO LTD (JP)
International Classes:
H02J50/80; H02J50/05
Domestic Patent References:
| WO2013077086A1 | 2013-05-30 |
Foreign References:
| JP2009011129A | 2009-01-15 | |||
| JP2009189230A | 2009-08-20 | |||
| JP2017509296A | 2017-03-30 | |||
| US20120242163A1 | 2012-09-27 | |||
| US20160301261A1 | 2016-10-13 |
Attorney, Agent or Firm:
OKUDA Seiji (JP)
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