Patent ID: 8462488

Claim:
An electronic device capable of ejecting a peripheral element, comprising: a housing, having a chamber for storing the peripheral element; a first wheel, disposed in the housing, wherein the first wheel contacts the peripheral element when the peripheral stored in the chamber ; and a driving unit, disposed in the housing, wherein the driving unit rotates the first wheel, and the first wheel moves the peripheral element from a first position to a second position, wherein the driving unit comprises: a driving motor; and a clutch, connected to the driving motor and the first wheel, wherein when the driving motor rotates in a first direction, the clutch rotates the first wheel, and when the driving motor rotates in a second direction, the clutch prevents the first wheel from being driven to rotate by the driving motor, wherein the clutch comprises: a ring connected to the first wheel and having at least one tooth on the inner surface of the ring; and a blade, wherein the blade element is connected to the driving unit, when the driving motor rotates in the first direction, the blade element drives the ring to rotate by engaging with the ring via the tooth.