Patent ID: 8634208

Claim:
A portable electronic device, comprising: a housing defining a mounting slot and an unlocking hole adjacent to the mounting slot; and a chip card holding mechanism assembled within the housing for holding a chip card, the chip card holding mechanism comprising: a support base assembled within the housing and positioned adjacent to the mounting slot and the unlocking hole; a receiving tray slidably mounted on the support base and comprising a tray body and an operating portion formed at one end of the tray body, the operating portion having a resisting surface; and an unlocking assembly for unlocking and ejecting the receiving tray, the unlocking assembly comprising: a cam body rotatably assembled to the housing and positioned adjacent to the mounting slot, the cam body comprising a main portion and a resisting portion extending from the main portion and resisting against the resisting surface of the receiving tray; and a driving portion attached to the housing and insertable into the unlocking hole for driving the cam body to rotate thereby ejecting the receiving tray.