JP3990335B2 - 電力分配器及びアンテナ装置 - Google Patents
電力分配器及びアンテナ装置 Download PDFInfo
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- JP3990335B2 JP3990335B2 JP2003328440A JP2003328440A JP3990335B2 JP 3990335 B2 JP3990335 B2 JP 3990335B2 JP 2003328440 A JP2003328440 A JP 2003328440A JP 2003328440 A JP2003328440 A JP 2003328440A JP 3990335 B2 JP3990335 B2 JP 3990335B2
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- antenna
- power
- output
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Description
2 銅管同軸
3 分岐部
4 インピーダンス変換回路
41 ,42 インピーダンス変換素子
5a,5b,5c,5d,5e 出力端
6a,6b,6c,6d 送信アンテナ
13 分岐部材
14 分岐出力部
30 アンテナ装置
Claims (4)
- 電力が入力される1つの入力端と、入力された電力を複数に分配する分岐部と、分配された電力を出力する複数の出力端とを有し、出力端にはアンテナが接続される電力分配器において、
前記複数の出力端のインピーダンスは、前記複数の出力端に接続されるアンテナの数が前記複数の出力端の総数よりも1つ少ない時の電圧定在波比に対して、前記複数の出力端に接続されるアンテナの数が前記複数の出力端の総数と同じ時の電圧定在波比の変化が最小限となるよう設定されていることを特徴とする電力分配器。 - 分岐部から出力端までの電気的長さを所望周波数における波長λに対しλ/2の整数倍としたことを特徴とする請求項1記載の電力分配器。
- 分岐部から出力端までの間に電気的長さをλ/4としたインピーダンス変換回路を設けたことを特徴とする請求項1または2記載の電力分配器。
- 請求項1〜3いずれか1項記載の電力分配器を備え、前記電力分配器の出力端にアンテナを接続したことを特徴とするアンテナ装置。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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JP2003328440A JP3990335B2 (ja) | 2003-09-19 | 2003-09-19 | 電力分配器及びアンテナ装置 |
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JP2003328440A JP3990335B2 (ja) | 2003-09-19 | 2003-09-19 | 電力分配器及びアンテナ装置 |
Publications (2)
Publication Number | Publication Date |
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JP2005094654A JP2005094654A (ja) | 2005-04-07 |
JP3990335B2 true JP3990335B2 (ja) | 2007-10-10 |
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JP2003328440A Expired - Fee Related JP3990335B2 (ja) | 2003-09-19 | 2003-09-19 | 電力分配器及びアンテナ装置 |
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JP (1) | JP3990335B2 (ja) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2316148A1 (en) | 2008-08-20 | 2011-05-04 | Koninklijke Philips Electronics N.V. | Rf power splitter for magnetic resonance system |
KR101902558B1 (ko) | 2010-07-02 | 2018-10-01 | 누보트로닉스, 인크. | 3차원 마이크로구조체 |
KR101487261B1 (ko) | 2014-01-29 | 2015-01-28 | 국방과학연구소 | 고전압 초광대역 펄스 전력분배기 |
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2003
- 2003-09-19 JP JP2003328440A patent/JP3990335B2/ja not_active Expired - Fee Related
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