Patent ID: 7251511

Claim:
A portable communication apparatus comprising: (a) a main housing having a display device; (b) a rotatable housing having first and second data-inputting devices on upper and lower surfaces, respectively, the rotatable housing being rotatably connected to a lower end of the main housing; (c) a connecting portion exposed on one side of a front surface of the main housing; (d) a first terminal exposed on one side of a rear surface of the rotatable housing, the first terminal being connected to the first data-inputting device; and (e) a second terminal exposed on the other side of the rear surface of the rotatable housing, the second terminal being connected to the second data-inputting device, wherein the rear surface of the rotatable housing and the front surface of the main housing face each other and signals are transmitted by electrical connection between the connecting portion and one of the first or second terminals, as chosen by the rotation of the rotatable housing about a fixed axis extending longitudinally through the main housing and the rotatable housing.