| 摘要 |
The present invention discloses a power management device using an NFC circuit of an Internet telephone. The present invention makes the power management device to control the power of wired and wireless modules by using an NFC circuit technology to the Internet telephone. Therefore, power control of a wireless RF module can be possible by using NFC communications to the Internet telephone having an Internet call function and a wireless interface function (Wi-Fi, Bluetooth). Moreover, power can be saved by controlling the power of wired communications and saving a user resource of the Internet telephone. The power management device comprises an NFC transceiver, an antenna for data communications and NFC communications, a control unit, and a power control unit. |
