发明名称 |
MASTERRSLAVE TYPE INTERPHONE UNIT |
摘要 |
PURPOSE:To eliminate the individual wiring between the master and slave units by transmitting a pulse of minimum speed, and to achieve a parallel connection for many slave units to a small number of the common lead wire. |
申请公布号 |
JPS5320708(A) |
申请公布日期 |
1978.02.25 |
申请号 |
JP19760095738 |
申请日期 |
1976.08.10 |
申请人 |
MATSUSHITA ELECTRIC IND CO LTD |
发明人 |
KOMORITA KATSUHIRO |
分类号 |
H04L5/22;H04M9/00;H04M9/02 |
主分类号 |
H04L5/22 |
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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