发明名称 |
FAULTY SWITCH DETECTION |
摘要 |
PURPOSE:To provide a conduction inspection circuit in the network using PNPN switches, so that faulty connections can be identified and an economical hardware constitution can be obtained. |
申请公布号 |
JPS5254307(A) |
申请公布日期 |
1977.05.02 |
申请号 |
JP19750129372 |
申请日期 |
1975.10.29 |
申请人 |
OKI DENKI KOGYO KK;NIPPON DENSHIN DENWA KOSHA |
发明人 |
SATOU TOKIO;RIYOU JIYUNJI;SHIMIZU TAKESHI |
分类号 |
H04M3/22;H04Q1/24;H04Q3/52 |
主分类号 |
H04M3/22 |
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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