An energy saving switch device (100) for an electronic apparatus (150), including: a power control unit (110), determining whether to provide an external power to the electronic apparatus according to an external control signal; a switch unit (120), couple...

There is provided an electronic device including a power circuit and a system circuit. The system circuit includes a processing unit and a charge-discharge device. The processing unit controls the power circuit to stop providing power to the system circuit...

An electronic device (1, 2, 3, 4, 5, 6, 7, 8) for charging a rechargeable device (9) is provided. The electronic device (1, 2, 3, 4, 5, 6, 7, 8) includes a power supply system (10, 20, 30, 40) and a detecting circuit (11, 21, 31, 41, 71, 81), which is elec...