发明名称 |
LINE CIRCUIT FOR MULTIPLE LINE TELEPHONE |
摘要 |
<p>TITLE LINE CIRCUIT FOR MULTIPLE LINE TELEPHONE A line circuit which allows a multiple line telephone to operate like a private branch exchange (PBX) telephone. Solid state hold and flashing circuits drive a light emitting diode in each telephone connected to the same line.</p> |
申请公布号 |
CA1186082(A) |
申请公布日期 |
1985.04.23 |
申请号 |
CA19820413611 |
申请日期 |
1982.10.18 |
申请人 |
GTE AUTOMATIC ELECTRIC INCORPORATED |
发明人 |
DELEON, DANIEL |
分类号 |
H04M9/00;(IPC1-7):H04M1/72 |
主分类号 |
H04M9/00 |
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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