JP4157057B2 - 周波数選択板 - Google Patents
周波数選択板 Download PDFInfo
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- JP4157057B2 JP4157057B2 JP2004059042A JP2004059042A JP4157057B2 JP 4157057 B2 JP4157057 B2 JP 4157057B2 JP 2004059042 A JP2004059042 A JP 2004059042A JP 2004059042 A JP2004059042 A JP 2004059042A JP 4157057 B2 JP4157057 B2 JP 4157057B2
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- Prior art keywords
- dielectric
- frequency selection
- frequency
- selection plate
- thickness
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Description
2 積層板(誘電体)
3 誘電体可変機構
4 制御装置
10,20,30 周波数選択板
22 誘電体層
22a 容器
22b 誘電体
23 誘電体厚さ可変機構
23a 貯留部
23b 誘電体送出/回収部
24 制御装置
Claims (3)
- 特定の周波数の電波を反射又は透過させる素子パターンが設けられた周波数選択板主体と、該周波数選択板主体に積層された電波透過性を有する全体が伸縮可能な袋状の密閉容器及び当該密閉容器内の液状若しくはゲル状の又は気体の誘電体で構成した誘電体層と、前記誘電体を前記密閉容器内から出し入れして当該密閉容器の全体を伸縮させることで前記誘電体層の厚さを可変させる誘電体厚さ可変機構とを備えたことを特徴とする周波数選択板。
- 特定の周波数の電波を反射又は透過させる素子パターンが設けられた周波数選択板主体と、該周波数選択板主体に積層された電波透過性を有する少なくとも側面が伸縮可能な袋状の密閉容器及び当該密閉容器内の液状若しくはゲル状の又は気体の誘電体で構成した誘電体層と、前記誘電体を前記密閉容器内から出し入れして当該密閉容器の側面を伸縮させることで前記誘電体層の厚さを可変させる誘電体厚さ可変機構とを備えたことを特徴とする周波数選択板。
- 前記誘電体層が所望の周波数選択性に応じた厚さとなるように前記誘電体厚さ可変機構の動作を制御する制御装置を設けたことを特徴とする請求項1又は2に記載の周波数選択板。
Priority Applications (1)
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JP2004059042A JP4157057B2 (ja) | 2004-03-03 | 2004-03-03 | 周波数選択板 |
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JP2004059042A JP4157057B2 (ja) | 2004-03-03 | 2004-03-03 | 周波数選択板 |
Publications (2)
Publication Number | Publication Date |
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JP2005252566A JP2005252566A (ja) | 2005-09-15 |
JP4157057B2 true JP4157057B2 (ja) | 2008-09-24 |
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JP2004059042A Expired - Fee Related JP4157057B2 (ja) | 2004-03-03 | 2004-03-03 | 周波数選択板 |
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JP (1) | JP4157057B2 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20180026150A (ko) * | 2016-09-02 | 2018-03-12 | 연세대학교 산학협력단 | 레이더-적외선 영역 흡수율-방사율 제어 복합 구조 |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5787093B2 (ja) * | 2012-02-06 | 2015-09-30 | 横河電機株式会社 | 制御回路、インピーダンス調整回路、インピーダンス自動調整回路、信号レベル調整回路、無線送受信回路、無線送受信自動調整回路、チップ、制御方法、インピーダンス調整方法、インピーダンス自動調整方法、信号レベル調整方法、無線送受信方法および無線送受信自動調整方法 |
JP6249906B2 (ja) * | 2014-08-28 | 2017-12-20 | 三菱電機株式会社 | アレーアンテナ装置 |
-
2004
- 2004-03-03 JP JP2004059042A patent/JP4157057B2/ja not_active Expired - Fee Related
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20180026150A (ko) * | 2016-09-02 | 2018-03-12 | 연세대학교 산학협력단 | 레이더-적외선 영역 흡수율-방사율 제어 복합 구조 |
KR101927491B1 (ko) | 2016-09-02 | 2018-12-11 | 연세대학교 산학협력단 | 레이더-적외선 영역 흡수율-방사율 제어 복합 구조 |
US10439294B2 (en) | 2016-09-02 | 2019-10-08 | Industry-Academic Cooperation Foundation Yonsei University | Composite structure for controlling absorptivity of radar and emissivity of infrared regions |
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JP2005252566A (ja) | 2005-09-15 |
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