Patent ID: 7492606

Claim:
A portable digital communication device comprising: a first housing having a first top surface and a second top surface that is stepped from the first top surface, the first housing being extended in the longitudinal direction of the device; a second housing having a first bottom surface and a second bottom surface that is stepped from the first bottom surface, the second housing being slidable in the longitudinal direction of the device while being opposite to the first housing; a first side housing, which is rotatable about a first hinge axis and attached at a side surface of the first housing; and a second side housing, which is rotatable about a second hinge axis and attached at a side surface of the second housing, wherein the first and second side housings extend in a direction perpendicular to the longitudinal direction of the first and second housings, and wherein each of the first and second side housings is positioned as a handle when the first and second side housings are rotated from the first and second housings, wherein the first side housing includes a key array disposed on the top surface thereof, the key array including keys, and wherein the second side housing includes a key array disposed on the toy surface thereof the key array including keys.