Sliding/folding-type portable digital communication apparatus

摘要

A sliding/folding-type portable digital communication apparatus having a first housing; a sliding/hinge housing positioned on a bottom surface of the first housing and adapted to perform a sliding movement along a longitudinal direction of the first housing; and a rotational housing rotatably coupled to the sliding/hinge housing in such a manner that its top surface or bottom surface can selectively face the bottom surface of the first housing according to whether or not it has been rotated.