CHARGE CONFIRMATION DEVICE, POWER RECEIVING DEVICE, AND WIRELESS POWER FEEDING SYSTEM

WIPO Patent Application WO/2020/066971

A1

A charge confirmation device that performs control of a power feeding side, and a system of a plurality of power receiving devices that perform charging in accordance with wireless power feeding, wherein confirming that charging of the power receiving devices is complete can be efficiently carried out. The charge confirmation device performs a process of transmitting a charge operation setting signal to the plurality of power receiving devices in accordance with the start of wireless power feeding, and a process of waiting without performing transmission to the power receiving devices, and confirming whether the charge completion signal has been received from all the power receiving devices. The power receiving device shifts to a sleep state after receiving the charge operation setting signal, wakes up after a prescribed time has elapsed, performs the process of confirming charging of the power storage unit is complete, and transmits the charge completion signal to the charge confirmation device once charging is complete.

WATANABE KAZUHITO (JP)
SHIMAZAKI KOHICHI (JP)
TAKAYASU MICHIHIRO (JP)
KOMODA TAKAFUMI (JP)
TASAKI YOJI (JP)
HIKONE SATOSHI (JP)
UCHIDA KOKI (JP)
ICHINOSE ATSUSHI (JP)

PCT/JP2019/037183

April 02, 2020

September 24, 2019

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FUTABA DENSHI KOGYO KK (JP)
NOF CORP (JP)

H02J50/80; F42D1/04; H02J7/00; H02J50/10; H02J50/40

WO2018131501A1	2018-07-19
WO2008098302A1	2008-08-21
WO2017183662A1	2017-10-26

JP2011012903A	2011-01-20
JP2001153598A	2001-06-08
JP2012200056A	2012-10-18

TAKINO, Fumio et al. (JP)

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