| 发明名称 |
ABBREVIATED DIALING SYSTEM |
| 摘要 |
PURPOSE:To improve the service with making the abbreviated dialing and the automatic dialing set into one body by adding the impedance insertion key to the terminal equipment accommodated in the subscriber's terminal of an exchange. |
| 申请公布号 |
JPS5432909(A) |
申请公布日期 |
1979.03.10 |
| 申请号 |
JP19770099335 |
申请日期 |
1977.08.19 |
| 申请人 |
NIPPON TELEGRAPH & TELEPHONE;HASEGAWA DENKI SEISAKUSHO |
发明人 |
TAKAHARA TOSHIO;NISHIUMA MOTOMI |
| 分类号 |
H04M3/44;(IPC1-7):04M3/44 |
主分类号 |
H04M3/44 |
| 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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