| 摘要 |
The invention presents an automatic water feed method in a lavatory and an automatic water feed mechanism in a lavatory which are capable of sensing the user of the lavatory securely, and also sensing the user of the lavatory even in a dark place or environment. In this invention, the water feed action of a lavatory such as flush urinal and hand washer is controlled by visually recognizing the user of the lavatory by means of an artificial retina sensor, and also the water feed action of the lavatory is controlled by a sensor unit which has light emitting means for emitting light to the user when the ambient lightness becomes lower than a specified level and light receiving means for receiving the light reflected from the user.
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