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NURSE CALL APPARATUS
申请公布号：JP2006034895(A)
申请号：JP20040223563
申请日期：2004.07.30
申请公布日期：2006.02.09
发明人：UNNO TAKEYASU
分类号：A61G12/00
主分类号：A61G12/00
摘要：PROBLEM TO BE SOLVED: To prevent malfunction and damage to individual corridor lights by performing time control of connecting order and connecting intervals of a plurality of contact pieces constituting a connector when connecting a trunk line connector for nurse calls to the connector of the individual corridor light, or the like. SOLUTION: This nurse call apparatus is provided with a switching control circuit driven by voltage applied to a power supply contact piece composed of a set of two pieces out of a plurality of contact pieces constituting the connector. A signal opening/closing circuit is closed by the output of an operation start signal from the switching control circuit, and when power is not yet applied to the switching control circuit and the operation start signal is not yet outputted, the signal opening/closing circuit is kept in the open state. COPYRIGHT: (C)2006,JPO&NCIPI
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