发明名称 |
ABNORMAL TRAFFIC DETECTION SYSTEM |
摘要 |
PURPOSE:To realize early detection of abnormal traffic by measuring with a fixed cycle the reception call completion rate of subscriber line switchboard to reception system unit. |
申请公布号 |
JPS5297609(A) |
申请公布日期 |
1977.08.16 |
申请号 |
JP19760014183 |
申请日期 |
1976.02.10 |
申请人 |
NIPPON TELEGRAPH & TELEPHONE |
发明人 |
SATOU TAKAAKI |
分类号 |
H04M3/36;(IPC1-7):04M3/36 |
主分类号 |
H04M3/36 |
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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