发明授权
- 专利标题： Protective device for communication system
- 专利标题（中）： 通讯系统保护装置
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申请号： US87699申请日： 1979-10-24
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公开(公告)号： US4313147A公开(公告)日： 1982-01-26
- 发明人: Susumu Uchida , Shigeo Yamamoto , Tsutomu Wadaki
- 申请人： Susumu Uchida , Shigeo Yamamoto , Tsutomu Wadaki
- 申请人地址： JPX Tokyo
- 专利权人： Kabushiki Kaisha Sankosah
- 当前专利权人： Kabushiki Kaisha Sankosah
- 当前专利权人地址： JPX Tokyo
- 优先权： JPX53-167068 19781206; JPX54-065742 19790518
- 主分类号： H04Q1/14
- IPC分类号： H04Q1/14 ; H02H3/22
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.
公开/授权文献
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