Patent ID: 9748793
Date: 2017-08-29
CPC Classifications: H02J

Claim:
1. A power input circuit, comprising: a wireless power receiver, receiving power from a wireless power transmitter; a battery; a charging circuit, coupled to the battery; a first switch, controlled by a first control signal; a second switch, coupled between the first switch and a voltage input terminal of a computer device and controlled by the first control signal; a third switch, coupled between the battery and the voltage input terminal and controlled by a second control signal; a fourth switch, coupled between the voltage input terminal and the charging circuit and controlled by a third control signal; and a fifth switch, coupled between the wireless power receiver and the charging circuit and controlled by a fourth control signal, wherein when the wireless power receiver receives the power, the third switch and the fifth switch are closed to transmit the received power to the charging circuit for charging the battery, and the computer device is powered by the battery.