发明名称 |
COUPLER CIRCUIT FOR REMOTE CARRIER SUPERVISORY CONTROL DEVICE |
摘要 |
PURPOSE:To enhance the impedance (as evaluated from the transmission line side) of a carrier control device by inserting an analog gate circuit in between the carrier siganl samplifier and the transmission line, the gate circuit being controlled through an impedance compansator circuit. |
申请公布号 |
JPS52153137(A) |
申请公布日期 |
1977.12.20 |
申请号 |
JP19760070648 |
申请日期 |
1976.06.15 |
申请人 |
MATSUSHITA ELECTRIC WORKS LTD |
发明人 |
KITAGAWA FUMIO |
分类号 |
H02J13/00;H04B3/56;H04Q9/00 |
主分类号 |
H02J13/00 |
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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