发明名称 |
Protective device for communication system |
摘要 |
A communication system protective device usable for various types of electrical communication lines, said device comprising a compact and simple arrangement of jack boards and protectors whereby an overvoltage or overcurrent induced in an outside line is prevented from being applied to the electrical communication apparatuses arranged on interior wiring to keep them safe from failure.
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申请公布号 |
US4313147(A) |
申请公布日期 |
1982.01.26 |
申请号 |
US19790087699 |
申请日期 |
1979.10.24 |
申请人 |
KABUSHIKI KAISHA SANKOSAH |
发明人 |
UCHIDA, SUSUMU;YAMAMOTO, SHIGEO;WADAKI, TSUTOMU |
分类号 |
H04Q1/14;(IPC1-7):H02H3/22 |
主分类号 |
H04Q1/14 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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