发明名称 |
LOOP CIRCUIT FOR TELEPHONE LINE |
摘要 |
A loop-circuit for a telephone line is provided that includes a transistor having a first electrode directly connected to one of the wires of the line, a second electrode connected to the other of the wires of the line by means of a resistor, a gate electrode thereof being connected via a resistor to one of the wires of the line, and by means of a capacitor to the other wire of the line, wherein a switch is arranged to cut-off the transistor and another switch is arranged or provided to disconnect one of the plates of the capacitor from the rest of the circuit. |
申请公布号 |
AU1597483(A) |
申请公布日期 |
1984.01.12 |
申请号 |
AU19830015974 |
申请日期 |
1983.06.21 |
申请人 |
COMPAGNIE GENERALE DE CONSTRUCTIONS TELEPHONIQUES |
发明人 |
BERNARD MARIE ANDRE MEUNIER |
分类号 |
H04Q3/42;H04M1/31;H04M7/00 |
主分类号 |
H04Q3/42 |
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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