A power supply circuit includes a voltage regulating circuit, a control circuit, and a switch circuit. The voltage regulating circuit receives an AC voltage signal from a live wire output terminal and converts the AC voltage signal to a control signal. The control circuit receives the control signal and turns on or turns off an electronic connection from the AC voltage signal to the switch circuit according to the control signal. The switch circuit is configured to be powered on and output the AC voltage signal when the electronic connection from the AC voltage signal to the switch circuit is turned on.
申请公布号
US8570782(B2)
申请公布日期
2013.10.29
申请号
US201113096607
申请日期
2011.04.28
申请人
XIE LING-YU;XIE XING-PING;HONG FU JIN PRECISION INDUSTRY (SHENZHEN) CO., LTD.;HON HAI PRECISION INDUSTRY CO., LTD.