Patent ID: 7599721
Filing Date: 2009-10-06
Classification: H04M,Y10T

Abstract:
1. A mobile terminal device, comprising: an upper housing; a lower housing including a first outer face substantially covered by the upper housing after a closing event; a key operation section mounted on a key mount plate and housed in the lower housing and configured to ascend through said first outer face in an opening event; a slide mechanism interconnecting the upper housing and the lower housing and configured to slide along an open direction and a close direction, the open direction being a direction in which the key operation section, covered by the upper housing in the closing event, is exposed, and the close direction being a direction in which the key operation section, exposed in the opening event, is covered by the upper housing; and an elevation mechanism mechanically coupled to the slide mechanism and configured to drive the key operation section to ascend from inside the lower housing in response to a force transferred to the elevation mechanism from a sliding movement of the slide mechanism in the open direction, and configured to drive the key operation section from an ascended state into the lower housing in response to a force transferred to the elevation mechanism from a sliding movement of the slide mechanism in the close direction, wherein