Optical keyboard with geodesic optical elements
Optical keypad for electronic device
Optical mouse and resin lens unit
Optical pointer input device
Optoelectronic keyboard
Optomechanical information entry device
Padless touch sensor
Palm mouse
Panel unit of dealing board
Panel unit of dealing board
Phone holster with attached keyboard
Phonetic Korean Hangul keyboard system
Piezoelectric switch with tactile response
Pin-reduced low power keyboard scanner
Pivoting electronic keyboard keys
Pointing and/or directional control device for controlling the m
Polyphonic/chordic annotation method
Portable computer apparatus for assisting persons with...
Portable computer keyboard
Portable computer with integrated circuit board and keyboard