| 发明名称 |
SENDING SYSTEM FOR CONNECTIONNSPECIFYING TONE IN BUSY STATOR OF ALL INCOMING LINES |
| 摘要 |
PURPOSE:To prevent an error connection due to the hooking of a subscriber, etc., by continuing to send out a connection-specifying aignal until a subscriber,s terminal starts to exercise recovery control. |
| 申请公布号 |
JPS53148207(A) |
申请公布日期 |
1978.12.23 |
| 申请号 |
JP19770062715 |
申请日期 |
1977.05.31 |
| 申请人 |
OKI ELECTRIC IND CO LTD;NIPPON TELEGRAPH & TELEPHONE |
发明人 |
UCHIDA TATSUO;OOKAWA HIROYUKI;SUZUKI SHINICHI;HARIKI ATSUSHI |
| 分类号 |
H04Q3/555;H04M19/02;H04Q3/42 |
主分类号 |
H04Q3/555 |
| 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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