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1. 发明授权

US4684954A Electromagnetic energy shield 失效
标题翻译：电磁屏蔽
公开(公告)号：US4684954A
公开(公告)日：1987-08-04
申请号：US766545
申请日：1985-08-19
申请人： Jean-Claude Sureau , Steven S. Krystofik
发明人： Jean-Claude Sureau , Steven S. Krystofik
IPC分类号： H01Q1/42 , H01Q15/00 , H01Q15/02
CPC分类号： H01Q1/425 , H01Q15/002
摘要： A radome shutter structure for preventing the transmission of electromagnetic energy within a selected frequency range and for permitting the transmission of energy outside such frequency range during a first mode of operation and for permitting the transmission of electromagnetic energy over a relatively wide frequency range which includes such selected frequency range during a second mode of operation. The structure includes an insulative substrate having a symmetrical array of metallized regions, each region preferably in the form of a Jerusalem Cross having discontinuous arms interconnected by diode elements which are placed in a conductive state in the first mode of operation and in a non-conductive state in the second mode of operation.
摘要翻译：一种用于防止电磁能量在选定频率范围内传输并用于允许在第一操作模式期间将能量传输到该频率范围外的雷达罩快门结构，并允许电磁能量在相对较宽的频率范围内传输，该频率范围包括在第二操作模式期间选择的频率范围。该结构包括具有金属化区域的对称阵列的绝缘衬底，每个区域优选地为耶路撒冷十字架的形式，其具有通过二极管元件互连的不连续臂，该二极管元件在第一操作模式中处于导电状态，并且处于非导电状态处于第二种操作模式。

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