Abstract: A mobile communication terminal with a one-keyed data input device is disclosed. The one-keyed data input device includes a recess portion formed on the top surface of a main body of the terminal and a center key positioned in the recess portion. The center key is arranged to be movable in the uppermost or lowermost direction or in the leftmost or rightmost direction from the center of the recess portion and movable in the radial direction from the center.

Abstract: A deceleration module for extending or retracting a whip antenna. In the deceleration module, a motor unit is installed on the bottom of a body housing, a deceleration unit reduces a rotating force provided coaxially from the motor unit at least twice. A roller unit is integrally formed coaxially with the deceleration module by injection molding, and disposed to roll in an extending and retracting direction of the whip antenna in contact with the outer circumference of the whip antenna.

Abstract: A foldable, portable wireless terminal is provided, which comprises a main body; a sub-body capable of folding and unfolding with respect to the main body; and an opening/closing device for automatically or manually opening or closing the sub-body with respect to the main body by user selection. The opening/closing device includes a hinge cam with an end fixed to the main body or the sub-body, a deceleration module adapted to move axially and including an integrally formed hinge shaft, the hinge shaft adapted for selectively rotating the hinge cam in an automatic mode through rotation of a driving motor, an elastic member for biasing the deceleration module axially, and a hollow hinge arm for enclosing the hinge cam, the deceleration module, and the elastic member in series, the hinge arm being mounted to the main body or the sub-body to act as a hinge module.

Abstract: A deceleration module for extending or retracting a whip antenna. In the deceleration module, a motor unit is installed on the bottom of a body housing, a deceleration unit reduces a rotating force provided coaxially from the motor unit at least twice. A roller unit is integrally formed coaxially with the deceleration module by injection molding, and disposed to roll in an extending and retracting direction of the whip antenna in contact with the outer circumference of the whip antenna.

Abstract: A mobile communication terminal with a one-keyed data input device is disclosed. The one-keyed data input device includes a recess portion formed on the top surface of a main body of the terminal and a center key positioned in the recess portion. The center key is arranged to be movable in the uppermost or lowermost direction or in the leftmost or rightmost direction from the center of the recess portion and movable in the radial direction from the center.