Inventor
MARSHALL ROGER N
US7 patents
Patents
7 patentsUS5515079AMay 7, 1996
Computer input system and method of using same
PROXIMA CORP277 citations97
US5181015AJan 19, 1993
Method and apparatus for calibrating an optical computer input system
PROXIMA CORP161 citations97
US5543819AAug 6, 1996
High resolution display system and method of using same
PROXIMA CORP93 citations95
US5502459AMar 26, 1996
Optical auxiliary input arrangement and method of using same
PROXIMA CORP107 citations95
US5933132AAug 3, 1999
Method and apparatus for calibrating geometrically an optical computer input system
PROXIMA CORP50 citations92
US5489923AFeb 6, 1996
Method and apparatus for calibrating an optical computer input system
PROXIMA CORP31 citations91
US5594468AJan 14, 1997
Optical system auxiliary input calibration arrangement and method of using same
PROXIMA CORP33 citations89