A pointing device for moving a cursor on a display of a computer by a slider (1) to any position of the same, having a means for switching from positional control for controlling the position of the cursor to speed control for controlling the speed of movement of the cursor. The positional control and...http://www.google.de/patents/US5432530?utm_source=gb-gplus-sharePatent US5432530 - Pointing device and method of control of same