发明名称 |
MONITOR CONTROL SYSTEM FOR PUSHHBUTTON DIAL SIGNAL |
摘要 |
PURPOSE:To prevent the extra dial signal from being transmitted to the exchange of the remote side at the connection control time by installing the signal monitor function to the PB dial signal receiving register in PBX. |
申请公布号 |
JPS5431208(A) |
申请公布日期 |
1979.03.08 |
申请号 |
JP19770097640 |
申请日期 |
1977.08.15 |
申请人 |
FUJITSU LTD |
发明人 |
SUZUKI MASAO;HAYASHI KIYOBUMI |
分类号 |
H04Q3/58;H04Q3/62 |
主分类号 |
H04Q3/58 |
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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