发明名称 |
Polarity switch for satellite television receiver. |
摘要 |
<p>A polarity switch for connection between a dual antenna system and a satellite television receiver to permit multiple receivers to simultaneously receive channels of different polarity includes a pin diode switch and input circuitry to decode the standard receiver signal previously used to rotate the antenna feed of a single feed antenna.</p> |
申请公布号 |
EP0189661(A2) |
申请公布日期 |
1986.08.06 |
申请号 |
EP19850309079 |
申请日期 |
1985.12.13 |
申请人 |
SATELLITE TECHNOLOGY SERVICES, INC. |
发明人 |
HORTON, EDWIN THOMAS;HEIMBUCH, WILLIAM G. |
分类号 |
H01Q3/24;H01Q21/24;H01Q25/00;H04B7/08;(IPC1-7):H01Q25/00 |
主分类号 |
H01Q3/24 |
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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