Patent ID: 7825757

Claim:
An electronic device comprising: a main body including a printed circuit board, a cover body pivotally assembled to the main body, the cover body being selectively located in a closed position, at which the cover body covers the main body, and an open position at which the cover rotates away the main body, and an active member automatically powering on the electronic device when the cover body is rotated to the open position, the active member comprising: a first driving portion mounted to the cover body; a second driving portion mounted to the main body; a power switch mounted on the printed circuit board; wherein, when the cover body locates in the closed position, an attraction force is generated by the cooperation of the first and second driving portion, and the power switch is activated by the attraction force to power off the electronic device, when the cover body rotates from the closed position to the open position, the attraction force is reduced to activate the power switch to power on the electronic device.