Patent ID: 8127782

Claim:
A faucet comprising: a faucet body hub; a manual valve handle movably coupled to the faucet body hub to control a manual valve, the manual valve handle being electrically coupled to the faucet body hub; a spout coupled to the faucet body hub by an insulator so that the spout is electrically isolated from the faucet body hub; a capacitive sensor having an electrode coupled to at least one of the faucet body hub and the manual valve handle; and a controller coupled to the capacitive sensor, the controller determining which of the manual valve handle and the spout is touched by a user based on an output signal from the capacitive sensor, and wherein a first output signal change is detected by the controller when the manual valve handle is touched by a user, and a second output signal change is detected by the controller when the spout is touched by a user, the first output signal change being greater than the second output signal change.