Patent ID: 7433467

Claim:
A mobile communication terminal having a main body and a folder, the folder being pivotably connected to the main body, the main body and the folder each having a ground coated with a conductive material on its inner surface, said mobile communication terminal comprising: a hinge device for electrically connecting the main body and the folder, the hinge device comprising: a conductive hinge housing electrically connected to the ground of the folder, said hinge housing adapted to be mounted within the folder; a conductive coil spring adapted to be mounted within the hinge housing, a first end of said coil spring being fixed to an inner wall of a first end of said hinge housing; and a conductive contact pin adapted to be mounted within the hinge housing, a first end of said contact pin being supported by a second end of the coil spring opposite the first end of the coil spring, a second end of the contact pin extending through a second end of said hinge housing for connection to the main body; and a conductive hinge dummy electrically connected to the ground of the main body and adapted to be mounted within the main body, said hinge dummy being fixed to the second end of the contact pin, wherein an electrical connection path between the main body and the folder through the hinge device includes the conductive coil spring and the conductive contact pin.