发明名称 |
Solid state subscriber selection switches for wired broadcasting systems |
摘要 |
A switch is disclosed which comprises a pair of diodes connected in series with opposed polarities, and a solid state device for applying potentials to the connection between the diodes to render the diodes either conductive or non-conductive. The switch may be used in a wired broadcasting system to connect a subscriber to a program source.
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申请公布号 |
US4058770(A) |
申请公布日期 |
1977.11.15 |
申请号 |
US19750613981 |
申请日期 |
1975.09.17 |
申请人 |
COMMUNICATIONS PATENTS LIMITED |
发明人 |
GARGINI, ERIC JOHN |
分类号 |
H04Q3/52;H03K17/74;H03K17/76;H04H20/76;H04N7/16;(IPC1-7):H04B3/50 |
主分类号 |
H04Q3/52 |
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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