An input device is disclosed. The input device includes a movable touch pad capable of detecting an object in close proximity thereto so as to generate a first control signal. The input device also includes a movement indicator capable of detecting the movements of the movable touch pad so as to generate...http://www.google.fr/patents/US7499040?utm_source=gb-gplus-shareBrevet US7499040 - Movable touch pad with added functionality
