Relaxation oscillator based keypad decoder
Relaxation oscillator based keypad decoder
Remote control device
Remote control device
Remote control device
Remote control keypad unit
Remote control transmitter
Remote control unit having additional keys serviced via an inter
Remote controller with analog button(s)
Remote two-wire data entry method and device
Resistance based keyboard key discrimination
Resistive keyboard with status keys
Reversible keyboard and information processor
Rounded keypad
Rubber membrane used in a computer keyboard
Scan circuit and method for keyboard
Scanned switch matrix
Scanning optical keyboard
Scanning, row-column type keyboard
Seal membrane with integral microphone support