Patent ID: 8428667
Filing Date: 2013-04-23
Classification: G06F,H04M

Abstract:
1. A portable terminal device comprising: an upper housing that has a display unit on a surface thereof; and a lower housing that has hard keys on a surface and is relatively slidably coupled to the upper housing, both of the housings being movable between a closed position in which all of the hard keys of the lower housing are covered with the upper housing, at least one intermediate position in which part of the hard keys are not covered with the upper housing, and a fully open position in which none of the hard keys are covered with the upper housing, wherein in the intermediate position, in response to depressing any of the part of the hard keys which are not covered, a soft key to complement the part of the hard keys which are not covered is displayed in a position starting from an edge of the display unit adjacent to the hard keys.