JP4796765B2 - アンテナ - Google Patents
アンテナ Download PDFInfo
- Publication number
- JP4796765B2 JP4796765B2 JP2004326275A JP2004326275A JP4796765B2 JP 4796765 B2 JP4796765 B2 JP 4796765B2 JP 2004326275 A JP2004326275 A JP 2004326275A JP 2004326275 A JP2004326275 A JP 2004326275A JP 4796765 B2 JP4796765 B2 JP 4796765B2
- Authority
- JP
- Japan
- Prior art keywords
- antenna
- conductor plate
- conductor
- radome
- electric field
- 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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- Aerials With Secondary Devices (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
- Details Of Aerials (AREA)
Description
2 レドーム
2a レドーム軸
3 サポート部
4 Uボルト
5 ポール
6 同軸ケーブル
7 放射素子
8 支持部
9 底板
10〜15 導体板
20 アンテナ
21 コネクタ
22 同軸ケーブル
23〜25 アンテナ
30〜36 放射電界
40 放射電界
50 ビル
51 基地局アンテナ
52 主ビーム
53 アンテナ直下ビーム
60 放射電界
Claims (2)
- 放射素子と、前記放射素子を覆うレドームとを含むアンテナであって、
前記レドームの側面部の表側または裏側に導体を備え、
前記導体の最上部は前記放射素子の最下部よりも下側にあることを特徴とするアンテナ。 - 垂直方向に配列された複数の放射素子と、前記複数の放射素子を支える支持部と、前記複数の放射素子および前記支持部を覆うレドームとを含むアンテナであって、
前記レドームの側面部の表側または裏側に、1個または複数個の帯状の導体を備え、前記帯状の導体の最上部は前記放射素子の最下部よりも下側にあることを特徴とするアンテナ。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004326275A JP4796765B2 (ja) | 2004-11-10 | 2004-11-10 | アンテナ |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004326275A JP4796765B2 (ja) | 2004-11-10 | 2004-11-10 | アンテナ |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2009100512A Division JP4853544B2 (ja) | 2009-04-17 | 2009-04-17 | アンテナ |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2006140578A JP2006140578A (ja) | 2006-06-01 |
JP4796765B2 true JP4796765B2 (ja) | 2011-10-19 |
Family
ID=36621103
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2004326275A Expired - Fee Related JP4796765B2 (ja) | 2004-11-10 | 2004-11-10 | アンテナ |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP4796765B2 (ja) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4925891B2 (ja) * | 2007-03-29 | 2012-05-09 | Dxアンテナ株式会社 | アンテナ |
JP4702336B2 (ja) * | 2007-08-10 | 2011-06-15 | 株式会社デンソーウェーブ | 携帯型rfidタグ読取器 |
JP4878024B2 (ja) * | 2007-11-16 | 2012-02-15 | Dxアンテナ株式会社 | アンテナ |
JP5566864B2 (ja) * | 2010-11-22 | 2014-08-06 | 日本電業工作株式会社 | 指向特性変更方法 |
CN108963473B (zh) * | 2018-07-23 | 2020-10-02 | 深圳Tcl新技术有限公司 | 信号传输装置和智能电视 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH04216204A (ja) * | 1990-12-17 | 1992-08-06 | Hisamatsu Nakano | 円偏波アンテナ装置 |
JP3341417B2 (ja) * | 1992-12-09 | 2002-11-05 | 松下電器産業株式会社 | 移動無線用アンテナ |
JPH09232850A (ja) * | 1996-02-20 | 1997-09-05 | Matsushita Electric Ind Co Ltd | 移動無線用アンテナ |
JP3737606B2 (ja) * | 1997-06-30 | 2006-01-18 | 株式会社日立国際電気 | 平面アンテナ |
JP2001077611A (ja) * | 1999-09-06 | 2001-03-23 | Tdk Corp | 移動体通信機 |
JP2002271118A (ja) * | 2001-03-14 | 2002-09-20 | Matsushita Electric Ind Co Ltd | 無給電素子付アンテナ装置及び無線端末装置 |
JP2003163533A (ja) * | 2001-09-14 | 2003-06-06 | Dx Antenna Co Ltd | アンテナ |
-
2004
- 2004-11-10 JP JP2004326275A patent/JP4796765B2/ja not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
JP2006140578A (ja) | 2006-06-01 |
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