Patent ID: 8284554

Claim:
An electronic handset device comprising: a base housing portion; a panel including a first user interface, the panel pivotally coupled to the base housing portion by a hinge, the panel pivotal between a closed configuration and an opened configuration relative to the base housing portion; a movable housing portion slidably coupled to the panel, the panel and the movable housing portion pivot in unison relative to the base housing portion, the movable housing portion having a second user interface, the movable housing portion slidable relative to the hinge between an opened configuration and a closed configuration relative to the panel, a slide-preventing member disposed on the panel, the slide-preventing member engaged with the movable housing portion when the panel is in the opened configuration relative to the base housing portion, the engaged slide-preventing member prevents sliding of the movable housing portion relative to the panel, wherein the panel is pivotable relative to the base housing portion when the slide-preventing member is engaged with the movable housing portion; wherein the first user interface is concealed by the movable housing portion when the movable housing portion is in the closed configuration and the first user interface is exposed when the movable housing portion is in the opened configuration.