US Patent 8441450 Movable track pad with added functionality

An input device is disclosed. The input device includes a movable touch-sensitive track pad capable of detecting an object in close proximity thereto so as to generate a tracking control signal. The input device also includes a movement indicator capable of detecting the movements of the movable track pad so as to generate one or more other control signals (e.g., button signals). The control signals can be used to perform actions in an electronic device operatively coupled to the input device.