NAVIGATION KEY FOR USE IN MOBILE COMMUNICATION TERMINAL AND A MOBILE COMMUNICATION TERMINAL COMPRISING THE SAME

摘要

The present invention provides a navigation key for use in a mobile communication terminal and a mobile communication terminal comprising the navigation key. The navigation key is configured in a hemispherical shape, and a touch panel is disposed on a hemispherical surface of the navigation key, when a user's finger slides on the hemispherical surface of the navigation key, the touch panel acquires a movement track of the finger and produces a corresponding displacement signal.