JP4427781B2 - ワイドバンド・スリーブアンテナ - Google Patents
ワイドバンド・スリーブアンテナ Download PDFInfo
- Publication number
- JP4427781B2 JP4427781B2 JP2003354362A JP2003354362A JP4427781B2 JP 4427781 B2 JP4427781 B2 JP 4427781B2 JP 2003354362 A JP2003354362 A JP 2003354362A JP 2003354362 A JP2003354362 A JP 2003354362A JP 4427781 B2 JP4427781 B2 JP 4427781B2
- Authority
- JP
- Japan
- Prior art keywords
- feeder
- antenna
- conductor tube
- wideband
- conductor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Description
周波数帯域幅={(Max Freq−Min Freq)/fc}x100[%]
fc:中心周波数[(Max Freq−Min Freq)/2]+Min Freq
∴ Max Freq:最大周波数 Min Freq:最小周波数
1b・・無給電線スリーブパイプ
2b・・無給電線径拡張パイプ
3b・・同軸給電線
4b・・スリーブパイプ固定ビス
1c・・同軸コネクタ
Claims (2)
- 同軸給電線の給電部分を覆うシールドを除去した、給電線の放射部を持ち、同軸給電線のシールド部分で、給電部に最も近い位置に、シールド電線の外形寸法を拡張するための導体管を取り付け、この導体管の外側に凸ネジを施し、このネジに適応するネジを導体管の内側に設置し、導体管が回転による移動によって、導体管が給電導体を覆う所定の位置まで移動できる構造を持つ、ワイドバンド・スリーブアンテナ。
- 同軸給電線のシールド線部分において、給電部に最も近い位置に形状の拡大を施した、導体管外側ネジ部と導体管内側に施された適合されたネジ部の勘合により、導体管はネジの回転により、位置を給電線部分の方向へ移動することにより、アンテナの共振周波数を変えることが出来る構造を持つ請求項1に記載のワイドバンド・スリーブアンテナ。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003354362A JP4427781B2 (ja) | 2003-09-06 | 2003-09-06 | ワイドバンド・スリーブアンテナ |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003354362A JP4427781B2 (ja) | 2003-09-06 | 2003-09-06 | ワイドバンド・スリーブアンテナ |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2005086794A JP2005086794A (ja) | 2005-03-31 |
JP4427781B2 true JP4427781B2 (ja) | 2010-03-10 |
Family
ID=34419967
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2003354362A Expired - Fee Related JP4427781B2 (ja) | 2003-09-06 | 2003-09-06 | ワイドバンド・スリーブアンテナ |
Country Status (1)
Country | Link |
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JP (1) | JP4427781B2 (ja) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8945111B2 (en) | 2008-01-23 | 2015-02-03 | Covidien Lp | Choked dielectric loaded tip dipole microwave antenna |
US8259025B2 (en) * | 2009-03-26 | 2012-09-04 | Laird Technologies, Inc. | Multi-band antenna assemblies |
JP5381463B2 (ja) | 2009-07-29 | 2014-01-08 | 富士通セミコンダクター株式会社 | アンテナとそれを有する通信装置 |
JP5769063B2 (ja) * | 2011-04-15 | 2015-08-26 | 株式会社サクマアンテナ | アンテナ |
JP5782661B2 (ja) * | 2011-05-10 | 2015-09-24 | 株式会社サクマアンテナ | アンテナ |
CN106783596A (zh) * | 2016-12-20 | 2017-05-31 | 西安科锐盛创新科技有限公司 | 用于套筒天线的异质SiGe基等离子pin二极管串的制备方法 |
CN116995425B (zh) * | 2023-08-21 | 2024-08-09 | 上海欧秒电力监测设备有限公司 | 一种小型化紧凑安装的局部放电测量天线 |
-
2003
- 2003-09-06 JP JP2003354362A patent/JP4427781B2/ja not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
JP2005086794A (ja) | 2005-03-31 |
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