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发明名称
电子磁式话机中继线指示器
摘要
申请公布号
TW031561
申请公布日期
1980.07.01
申请号
TW06820728
申请日期
1979.03.05
申请人
万商机电工业股份有限公司
发明人
黄鸿宝
分类号
H04M5/04
主分类号
H04M5/04
代理机构
代理人
主权项
一种电子指示器装置,当手摇磁式话机所发出的低频讯号,经光耦合器(3)及延迟电路(电阻(13)及电容(15),触发的矽控整流子(5)导通,使发光二极体(7)发亮,或蜂鸣器响叫,以达警示作用为特征之「电子磁式话机中继线指示器」。使该指示器可装置于磁式话机中继站做话务服务指示用。
地址
台北巿成都路111号
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