Patent ID: 9711994
Date: 2017-07-18
CPC Classifications: G06F,H02J,H04B

Claim:
1. An electronic device comprising: a central processing unit comprising a first battery, a first receiving portion, and a first transmitting portion, wherein the first receiving portion has a function of wirelessly charging the first battery; a display unit comprising a second battery, a second receiving portion, and a second transmitting portion, wherein the second receiving portion has a function of wirelessly charging the second battery; a receiving unit comprising a third battery, a third receiving portion, and a third transmitting portion, wherein the third receiving portion comprises a function of wirelessly charging the third battery; a transmitting unit having a function of controlling on/off state of the third transmitting portion, the central processing unit, and the display unit; and a power supply management circuit having a function of monitoring amount of electric power of each of the first battery, the second battery and the third battery and wirelessly charging at least one of the first battery, the second battery, and the third battery with electric power of at least one of the first battery, the second battery, and the third battery.