Patent ID: 7495401

Claim:
A control system electrically connected to a motor, the control system and the motor receiving an external power, the control system comprising: a driver electrically connected to the motor; and a switch device, electrically connected between the external power and the driver and turned on or off according to a control signal, comprising: a first switch circuit and a second switch circuit, the first switch circuit being electrically connected between the external power and the driver, and the second switch circuit being electrically connected to the first switch circuit and receiving the control signal to turn the first switch circuit on or off; wherein the driver drives the motor according to the external power when the switch device is turned on, and the first switch circuit comprises a first switch element and a voltage divider, the first switch element is electrically connected between the external power and the driver, and the voltage divider receives the external power to turn the first switch element on or off.