发明名称 MAGNET-SENSIBLE TRIGGERING DOORBELL MECHANISM
摘要 A doorbell mechanism includes a triggering board and a main body of a conventional doorbell. The triggering board has a magnet-sensible device and a decorative doorknocker. The magnet-sensible device and the decorative doorknocker are respectively provided with a magnet, and the doorbell can be switched on or off by means of the interaction of the magnetic fields of the magnet-sensible device and the decorative doorknocker. The decorative doorknocker can be provided with an elongate pulling piece convenient for a short person or a kid to use.
申请公布号 US2003058071(A1) 申请公布日期 2003.03.27
申请号 US20010957245 申请日期 2001.09.21
申请人 YANG PING-FENG 发明人 YANG PING-FENG
分类号 G01C19/56;G10K1/062;H01H36/00;(IPC1-7):H01H9/00 主分类号 G01C19/56
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