Patent ID: 7988454

Claim:
A portable electronic device comprising: a main body; and a card connector assembly mounted inside of the main body, and comprising: a base comprising a protrusion and a protrusion plate, wherein the protrusion comprises a plurality of contacts mounted on a top surface thereof, the protrusion plate comprises an electromagnet arranged on a bottom of the base adjacent to the protrusion; a cover rotatably connected to the base, and comprising a retaining member for retaining an electronic card; and a movable plate slidably connected to the protrusion plate, and made of magnetic material; wherein, when in use, the cover is rotated by an external force until the electronic card contacts the contacts, the electronic device controls to power for the electromagnet after detecting the contacting between the electronic card and the contacts, the electromagnet generates a magnetic field which drives the movable plate to slide toward the protrusion along the protrusion plate until the movable plate moves below the cover to prevent the cover from rotating in one direction.