An input system for a computer includes a first input device, such as a mouse or a tablet, and a second input device differing from the first input device. The first input device specifies a position on a display screen, which is connected to a computer for executing an application program and for displaying...http://www.google.com/patents/US20020109671?utm_source=gb-gplus-sharePatent US20020109671 - Input system, program, and recording medium
