| 摘要 |
According to the present invention, a video phone with a switching mode power supply unit (SMPS, 20) comprises: a camera/call module (10) for generating a call signal and transmitting the call signal, an image signal and a voice signal; a CPU (30) for generating a first control signal to control the supply of electricity to a circuit body after receiving the call signal transmitted from the camera/call module (10); a relay unit (40) for enabling the SMPS to supply electricity to the circuit body after receiving the control signal from the CPU; and a charging power supply unit (50) for supplying electricity to the CPU. [Reference numerals] (10) Camera/call module; (40) Relay unit; (AA) AC power source; (BB) Main circuit body; (CC) LCD lamp video phone circuit unit |
