| 发明名称 |
Earth communications geostationary satellite multiple beam antenna having focal point radiation pattern and photonic band gap material outer surface with periodicity default providing narrow pass band |
| 摘要 |
<p>The multiple beam antenna (4) has a radiation pattern at the focal point. There is a photonic band gap material (20) with a stop band forming an outer surface (38). A periodicity default (36) provides a narrow pass band.</p> |
| 申请公布号 |
FR2854737(A1) |
申请公布日期 |
2004.11.12 |
| 申请号 |
FR20020013326 |
申请日期 |
2002.10.24 |
| 申请人 |
CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE CNRS;CENTRE NATIONAL D'ETUDES SPATIALES |
发明人 |
|
| 分类号 |
H01Q5/00;H01Q15/00;H01Q19/17;H01Q25/00;(IPC1-7):H01Q5/01;H01Q9/00 |
主分类号 |
H01Q5/00 |
| 代理机构 |
|
代理人 |
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| 主权项 |
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| 地址 |
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