Patent ID: 7061470
Filing Date: 2006-06-13
Classification: G06F,H04M

Abstract:
1. A portable electronic device comprising: a unitary user input device comprising four pre-determined positions including first and second opposed positions and third and fourth opposed positions, each of the pre-determined positions enabling an associated function to be actuated; and a processor which receives inputs from the pre-determined positions of the unitary user input device and alters the operating state of the portable electronic device in response to the inputs thereto; and wherein the unitary user input device is operable in at least a menu-navigational mode and a text-editing mode, at least one of the pre-determined positions of the unitary user input device being associated with both a menu-navigational function and a text-editing function with activation of the text editing function associated with the text-editing mode causing entry of at least one character; and the unitary user input device provides control of all functionality associated with the menu-navigational mode and the text-editing mode.