| 发明名称 |
COMMUNICATION MONITOR SYSTEM |
| 摘要 |
PURPOSE:To simplify the unit, to save the hardware, and to make the unit small in size, by detectiig the ground developed in C line and monitoring the communication. |
| 申请公布号 |
JPS5286705(A) |
申请公布日期 |
1977.07.19 |
| 申请号 |
JP19760002705 |
申请日期 |
1976.01.14 |
| 申请人 |
OKI ELECTRIC IND CO LTD;NIPPON TELEGRAPH & TELEPHONE |
发明人 |
ITOU NOBORU;NARA EIZOU;IINO YOSHIROU;HARIKI ATSUSHI |
| 分类号 |
H04Q3/54;H04Q3/545;H04Q3/60;H04Q3/72 |
主分类号 |
H04Q3/54 |
| 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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