发明名称 |
Multi-subscriber differentiation and distribution switching system having interchangeable differentiating circuits |
摘要 |
A differentiation and distribution switching system for connecting selected ones of a plurality of subscriber lines for receiving a desired signal. The system comprises at least one differentiation circuit connected to an input signal, a removable support for the differentiation circuit, and a plurality of couplers connected to an output line of the differentiation circuit. A switch is connected to each coupler and an associated one of the subscriber lines, whereby to connect a signal on the output line to selected ones of the subscriber lines.
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申请公布号 |
US4354167(A) |
申请公布日期 |
1982.10.12 |
申请号 |
US19800214281 |
申请日期 |
1980.12.08 |
申请人 |
501 CENTRE DE RECHERCHE INDUSTRIELLE DU QUEBEC |
发明人 |
TERREAULT, GERARD;DEFLANDRE, YVES |
分类号 |
H03H7/46;(IPC1-7):H03H7/46 |
主分类号 |
H03H7/46 |
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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