| 摘要 |
A flushing system for a sanitary disposal device (1), such as a urinal or a water closet, including flush valve (5), a flush actuator (6) and external control to control the activation of the flush valve (5) to predetermine the time when the flush valve is rendered operative to be activated, and a sensor responsive circuit (2) responsive to the receipt of infrared rays (92a, 96b) transmitted or reflected from a particular area or volume relative to the sanitary disposal device (1) for activating the sensor responsive circuit (2) to cause the flush valve (5) to be rendered operative to flush the sanitary disposal device (1), and a control to provide for adjustement in the field of the particular area or volume which is to render the sensor resposive circuit (2) activated. |
