发明名称 Automatic flushing device for a flush toilet
摘要 An automatic flushing device for a flush toilet comprising an infrared sensor which can sense when the toilet has been used and then give out a signal to command the water in the tank to be flushed out for a pre-set period of time automatically. The infrared sensor is implanted in a cap covering recess centered in the tank lid which houses an electric coil.
申请公布号 US4941215(A) 申请公布日期 1990.07.17
申请号 US19890299037 申请日期 1989.01.19
申请人 LIU, SU-HAW 发明人 LIU, SU-HAW
分类号 E03D5/10 主分类号 E03D5/10
代理机构 代理人
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