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发明名称
电子交换机之分机回路偏压装置及信号音产生装置
摘要
申请公布号
TW047497
申请公布日期
1982.11.01
申请号
TW07122802
申请日期
1982.05.25
申请人
先通电子股份有限公司
发明人
分类号
H04M1/72
主分类号
H04M1/72
代理机构
代理人
主权项
一种电子交换机系统分机回路使用之偏压装置。主要系利用一参考于电源之固定电压,偏置一电晶体,使产生一固定电流,供应分机线路使用而利用电容将交通变压器和分机线路相连,阻隔其直流回路,为其构造特征者。
地址
台北县中和巿中正路七五八号三楼
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