Patent ID: 8717757

Claim:
A portable electronic device comprising: a casing whereinside an accommodating space is formed; a signal terminal disposed on a lateral wall of the accommodating space; a stylus accommodated inside the accommodating space of the casing in a movable manner; a push-pop mechanism disposed inside the accommodating space of the casing for fixing the stylus at a corresponding position according to depth of the accommodating space whereinto the stylus enters, the push-pop mechanism comprising: a base disposed inside the casing; a sliding component disposed on the base in a slidable manner, a slot being formed on a surface of the sliding component; a contacting component connected to the sliding component in a slidable manner, the contacting component comprising a sliding bar for sliding inside the slot, to slide the contacting component relative to the sliding component; and a supporting component connected to the contacting component, the stylus pushing the supporting component for driving the contacting component and the sliding component to slide relative to the base in a first direction; and a connector for inserting into the accommodating space of the casing so as to electrically connect with the signal terminal to transmit a corresponding signal.