SMART BEAM

CONTROLLING THE MOTION OF CHARACTERS OR IMAGES DISPLAYED ON A COMPUTER VIDEO TERMINAL; FOR PROVIDING AN INTERACTIVE INTERFACE BETWEEN AN INDIVIDUAL ENGAGING IN PHYSICAL EXERCISE AND A VIDEO TERMINAL DISPLAYING INFORMATION FOR MONITORING AND GUIDING THE EXERCISE PROGRAM; ELECTRO-OPTICAL SENSORS FOR CONTROLLING GARAGE DOORS, ELEVATOR DOORS AND DOORS OF ALL KINDS; AND FOR CAUSING THE GENERATION OR MODULATION OF MUSICAL TONES