Proximity detector to indicate function of a key
Quasi-steno keyboard for text entry into a computer
Qwerty type ten-key board based character input device
Radiation interruption keyboard
Real time keyboard scanner
Reconfigurable remote control transmitter
Reconfigurable tactile sensor input device
Reduced keyboard character selection system and method
Reduced keyboard character selection system and method
Reduced keyboard disambiguating system for the Korean language
Reduced keyboard letter selection system and method
Reduced keyboard text input system for the Japanese language
Reduced keyboard text input system for the Japanese language
Reduced keypad
Reduced keypad entry apparatus and method
Reduced keypad for multi-tap input
Reduced QWERTY keyboard system that provides better accuracy...
Reelable keyboard
Reflective mode ultrasonic touch sensitive switch
Relaxation oscillator based keypad decoder