JP2005252566A - 周波数選択板 - Google Patents
周波数選択板 Download PDFInfo
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- JP2005252566A JP2005252566A JP2004059042A JP2004059042A JP2005252566A JP 2005252566 A JP2005252566 A JP 2005252566A JP 2004059042 A JP2004059042 A JP 2004059042A JP 2004059042 A JP2004059042 A JP 2004059042A JP 2005252566 A JP2005252566 A JP 2005252566A
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Abstract
【解決手段】特定の周波数の電波を反射又は透過させる例えばクロスダイポール型の素子パターンが設けられた周波数選択板主体1と、この周波数選択板主体1に積層された電波透過性を有する誘電体層と、この誘電体層の厚さを可変させる誘電体可変機構3とを備えること。例えば、誘電体層として電波透過性を有する積層板2を設け、誘電体可変機構3に、その積層板2を周波数選択板主体1から離間させる機構と、この離間させた積層板2を周波数選択板主体1に近づける又は密着させる機構とを設ける。
【選択図】 図2
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 (4)
- 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誘電体層と、該誘電体層の厚さを可変させる誘電体可変機構とを備えたことを特徴とする周波数選択板。
- 前記誘電体層として電波透過性を有する積層板を設け、前記誘電体可変機構に、前記積層板を前記周波数選択板主体から離間させる機構と、該離間させた積層板を前記周波数選択板主体に近づける又は密着させる機構とを設けたことを特徴とする請求項1記載の周波数選択板。
- 前記誘電体層は、電波透過性を有する伸縮可能な容器で構成し、
前記誘電体可変機構に、前記容器内に液状若しくはゲル状の又は気体の誘電体を出し入れし得る機構を設けたことを特徴とする請求項1記載の周波数選択板。 - 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1,2又は3に記載の周波数選択板。
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JP2004059042A JP4157057B2 (ja) | 2004-03-03 | 2004-03-03 | 周波数選択板 |
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JP2004059042A JP4157057B2 (ja) | 2004-03-03 | 2004-03-03 | 周波数選択板 |
Publications (2)
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JP2005252566A true JP2005252566A (ja) | 2005-09-15 |
JP4157057B2 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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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103248332A (zh) * | 2012-02-06 | 2013-08-14 | 横河电机株式会社 | 控制电路及方法、阻抗调整电路及方法、阻抗自动调整电路及方法、无线电收发电路及方法 |
JP2016048901A (ja) * | 2014-08-28 | 2016-04-07 | 三菱電機株式会社 | アレーアンテナ装置 |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101927491B1 (ko) | 2016-09-02 | 2018-12-11 | 연세대학교 산학협력단 | 레이더-적외선 영역 흡수율-방사율 제어 복합 구조 |
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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 |
---|---|---|---|---|
CN103248332A (zh) * | 2012-02-06 | 2013-08-14 | 横河电机株式会社 | 控制电路及方法、阻抗调整电路及方法、阻抗自动调整电路及方法、无线电收发电路及方法 |
CN103248332B (zh) * | 2012-02-06 | 2016-08-31 | 横河电机株式会社 | 控制电路及方法、阻抗调整电路及方法、阻抗自动调整电路及方法、无线电收发电路及方法 |
JP2016048901A (ja) * | 2014-08-28 | 2016-04-07 | 三菱電機株式会社 | アレーアンテナ装置 |
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