发明名称 |
SELECTION FIGURE SENDING SYSTEM FO TELEPHONE EXCHANGE |
摘要 |
PURPOSE:To enhance the flexibility to a new service for which various signal formations are required, by reducing the delay and the control action to form a connectio route between the out-sender and the out-trunk. |
申请公布号 |
JPS533009(A) |
申请公布日期 |
1978.01.12 |
申请号 |
JP19760077132 |
申请日期 |
1976.06.29 |
申请人 |
NIPPON TELEGRAPH & TELEPHONE |
发明人 |
EGUCHI MASATO;KAJIWARA SHIYOUICHI |
分类号 |
H04Q1/30;H04Q3/42;(IPC1-7):04Q3/42 |
主分类号 |
H04Q1/30 |
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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