無線充電装置、無線充電方法及び被充電機器

Japanese Patent JP6972159

B2

Provided are a wireless charging system, a wireless charging method, and a device to-be-charged. The wireless charging system includes a wireless charging device and a device to-be-charged. The wireless charging device is configured to conduct wireless communication with the device to-be-charged through communication control circuits to adjust a transmission power of the wireless charging device. In addition, the device to-be-charged has a charging channel which is provided with a step-down circuit, whereby the wireless charging system can charge the device to-be-charged with high voltage and small current. The above wireless charging system has advantages of high charging efficiency and low heating.

WO/2021/141447	ELECTRONIC DEVICE FOR RECEIVING WIRELESS POWER BY USING RF SIGNAL, AND CONTROL METHOD THEREFOR
WO/2019/146361	POWER TRANSMISSION DEVICE, POWER TRANSMISSION SYSTEM, AND POWER TRANSMISSION METHOD
JP6707173	A signal transmission method for starting contactless power supply by a contactless power supply system, a power receiving device for contactless power supply, and a power receiving device for contactless power supply.

One, Simin
Chan, Jialyan
Yang, Dong Sun
Phosphorus, shambo
Li, Giada

JP2019549385A

November 24, 2021

February 13, 2018

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GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., LTD.

H02J50/80; H02H7/18; H02J7/00; H02J7/04; H02J50/10

JP2016092959A
JP2012205499A
JP2011139622A
JP2013183496A
JP2015156776A
JP2011152018A
JP2015006068A
JP2014117124A
JP2013128400A
JP2014023348A
JP2009518144A
JP2015070689A
JP2016525331A

US20160204642
CN101330229A
WO2015125655A1
EP3068017A2

Hiroyuki Nagai
Yukitaka Nakamura
Satoru Asakura
Takeshi Sekine
Takeyuki Suzuki

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