Patent ID: 7489920

Claim:
A mobile communication terminal comprising: a folding housing including first and second housing portions that are joined via a hinge; an authentication means for enabling user authentication while the housing is in a closed state, the authentication means included on an exterior of the housing; and a locking means comprising: an actuator included in a first portion of the hinge that is connected to either the first housing portion or the second housing portion; a recess included in a second portion of the hinge that is connected to either the second housing portion or the first housing portion; and an actuating piece connected to the actuator and configured for selective insertion in the recess, wherein the actuating piece locks the housing when the actuating piece is inserted in the recess, wherein the actuating piece is included on an outer circumference of the first hinge portion, wherein the recess is included in an inner circumference of the second hinge portion, the portion of the first hinge portion having the actuating piece being received by the second hinge portion inner circumference, and wherein the actuating piece extends radially with respect to the hinge to selectively engage the recess.