Programmable optical pointing device
Programmable remote device control apparatus and method
Programming method and apparatus for programmable controller
Projection-type display device and software program
Proximity detector for a seeing eye mouse
Proximity sensor with adaptive threshold
Proximity sensor with adaptive threshold
Puck-based input device with rotation detection
Puck-based input device with rotation detection
Pulse-type driving device
Pushbutton optical screen pointing device
Pyramidally-shaped computer mouse