Automatic faucet control device and control method

Details Automatic faucet control device and control method Automatic faucet control device and control method

2006-02-14

2006-02-14

Yu, Justine R. (Department: 3751)

Baths, closets, sinks, and spittoons

Wash receptacles

With proximity operated valve

C004S302000, C004S304000

Reexamination Certificate

active

06996863

ABSTRACT:
An automatic faucet control device including an electromagnetic valve for opening and closing a flow channel of a faucet, a ray emitting device (5) for emitting infrared rays to a target to be detected, a ray receiving device (6) for receiving the infrared rays reflected by the target, a sensing decision device for the deciding presence or absence of the target by an output from the ray receiving device (6), and an electromagnetic valve controller for controlling the electromagnetic valve based on a signal from the sensing decision device. The ray emitting device (5) has a first polarizing plate (7) allowing a polarized light component to be transmitted, and the ray receiving device (6) has a second polarizing plate (8) for allowing a polarized light component different from the rays transmitted through the first polarizing plate (7) to be transmitted therethrough.

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