A computer controlled display system with a user interactive touch screen is provided with an on-screen mouse to which user input may be applied by rolling of the touch finger to thereby move displayed information: the pointer or scrolled information on the screen. Means are provided which are activated...http://www.google.com/patents/US6278443?utm_source=gb-gplus-sharePatent US6278443 - Touch screen with random finger placement and rolling on screen to control the movement of information on-screen