An improved pointer device, such as a mouse, for a computer system having a video display that uses a moving graphical pointer. The pointer device has switches or dials that allow independent adjustment of mouse speed and acceleration. Separate adjustments can be made for X and Y axes of motion of the...http://www.google.com.au/patents/US5963195?utm_source=gb-gplus-sharePatent US5963195 - Hardware-selectable mouse movement
