Notebook computer with detachable infrared multi-mode input device

摘要

A notebook computer 10 has a detachable infrared multi-mode input device 100 comprising a mouse with buttons 120 and ball 140, and a touchpad 110. The input device can be used as a mouse in the conventional way or, held in the palm of the hand, as a touchpad. Instead of a touchpad other devices can be used, such as a trackball.