发明名称 |
Low-noise downconverter for use with flat antenna receiving dual polarized electromagnetic waves |
摘要 |
A low-noise-block downconverter (LNB) for use with flat antennas receiving dual polarized electromagnetic waves includes a body case mounted to a rear side surface of the flat antenna, the body case having two wave guide input ports corresponding to wave guide apertures of the antenna and enclosing a selective device alternatively allowing either one of two outputs corresponding to two different type polarized electromagnetic waves received.
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申请公布号 |
US5630226(A) |
申请公布日期 |
1997.05.13 |
申请号 |
US19940353050 |
申请日期 |
1994.12.09 |
申请人 |
MATSUSHITA ELECTRIC WORKS, LTD. |
发明人 |
KANDA, MINORU;KOMATSU, MIKIO;AO, NAOKI;MASAMOTO, KYOJI;KIMURA, YOSHITAKA |
分类号 |
H01Q1/24;H01Q21/24;(IPC1-7):H04B1/18 |
主分类号 |
H01Q1/24 |
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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