发明名称 Magnetically coupled keystart switch
摘要 An apparatus and method for magnetically activating an output signal from a keyswitch. The rotation of a keyswitch rotates a magnetic device into a first position. A magnetic sensing device detects the magnetic field created by the magnetic device, and transmits a flag signal.
申请公布号 US6223571(B1) 申请公布日期 2001.05.01
申请号 US19990276945 申请日期 1999.03.26
申请人 CATERPILLAR INC. 发明人 RECTOR STEPHEN W.
分类号 H01H27/06;H01H36/00;H03K17/97;(IPC1-7):E05B47/00 主分类号 H01H27/06
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