Patent ID: 7574241

Claim:
A portable apparatus comprising: a body housing having a body top surface including a second region and a first region receiving a first keyboard composed of an array of a number of keys; a sliding housing continuously facing the body top surface; a folding housing having a first surface and a second surface opposite the first surface, the folding housing rotating about a first hinge axis parallel to a sliding direction along a longitudinal direction of the body housing to fold on or unfold from the sliding housing and rotating about a second hinge axis perpendicular to the first hinge axis to alternate the first surface and the second surface to face the sliding housing, both the sliding housing and the folding housing sliding together with respect to the body housing in the sliding direction to expose or hide the first region, the second region being hidden regardless of whether the sliding housing is slid; and a rotating hinge sliding module connected between the sliding housing and the folding housing to provide the folding housing with the first hinge axis, the rotating hinge sliding module being positioned at a center of a lateral end of the sliding housing.