发明名称 |
TRANSMISSION CIRCUIT FOR AN ELECTRONIC TELEPHONE SET |
摘要 |
<p>A transmission circuit for an electronic telephone set comprises a transmit circuit which mas far as direct current is concerned is connected in parallel with the series arrangement of a logic circuit, a current source and a receive circuit. This enables the voltage space of the transmit circuit to be equal to the line voltage so that a maximum transmit level can be achieved.</p> |
申请公布号 |
CA1201833(A) |
申请公布日期 |
1986.03.11 |
申请号 |
CA19830421810 |
申请日期 |
1983.02.17 |
申请人 |
N.V. PHILIPS'GLOEILAMPENFABRIEKEN |
发明人 |
GEBOERS, JOSEPHUS J.A.;JANSSEN, DANIEEL J.G. |
分类号 |
H04M1/00;H04M1/60;H04M19/08;(IPC1-7):H04M1/00 |
主分类号 |
H04M1/00 |
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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