JPS58164313U - antenna - Google Patents
antennaInfo
- Publication number
- JPS58164313U JPS58164313U JP1982060766U JP6076682U JPS58164313U JP S58164313 U JPS58164313 U JP S58164313U JP 1982060766 U JP1982060766 U JP 1982060766U JP 6076682 U JP6076682 U JP 6076682U JP S58164313 U JPS58164313 U JP S58164313U
- Authority
- JP
- Japan
- Prior art keywords
- radiator
- antenna
- band
- designed
- reflector
- 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.)
- Granted
Links
Landscapes
- Aerials With Secondary Devices (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は従来のアンテナを示す構成図、第２図はこの考
案の一実施例に係るアンテナを示す構成図、第３図はＶ
ＨＦ帯域に設計された放射器のインピーダンスを示すス
ミスチャート、第４図ａ〜Ｃは、ＶＨＦ帯域に設計され
た放射器がＵＨＦ帯域の反射器として作用することを説
明する指向性図、第５図はＵ’ＨＦ’帯域に設計された
放射器のインピーダンスを示すスミスチャート、第６図
は合成回路を示す構成図、第７図は、この考案によるア
ンテナの周波数−前方対後方比の特性線図を従来例と比
較して示す図、第８図はこの考案の他の実施例を示す構
成図である。
２１．２３・・・放射器、２２．２２’ 、２４゜２４
′・・・給電端子、２７・・・ＵＨＦ帯域の反射器、２
８・・・ＶＨＦ高域の反射器、２９・・・ＶＨＦ低域の
反射器、３０・・・ＵＨＦ帯域の導波器、３１・・・Ｕ
ＨＦ帯域及びＶＨＦ高域の導波器、３３．３４・・・ア
ーム。Fig. 1 is a block diagram showing a conventional antenna, Fig. 2 is a block diagram showing an antenna according to an embodiment of this invention, and Fig. 3 is a block diagram showing a conventional antenna.
Smith charts showing the impedance of a radiator designed for the HF band, Figs. The figure is a Smith chart showing the impedance of a radiator designed for the U'HF' band, Figure 6 is a configuration diagram showing a synthesis circuit, and Figure 7 is a characteristic line of the frequency-front-to-back ratio of the antenna according to this invention. FIG. 8 is a diagram showing a configuration of another embodiment of this invention. 21.23...Radiator, 22.22', 24°24
'...Power supply terminal, 27...UHF band reflector, 2
8...VHF high band reflector, 29...VHF low band reflector, 30...UHF band waveguide, 31...U
HF band and VHF high band waveguide, 33.34...arm.
Claims (2)
ＨＦ帯域に設計された反射器と、前記第１の放射器と前
記反射器との間に配設されＶＨＦ帯域に設計された第２
の放射器と、前記第２の放射器の給電端子に並列に接続
され、ＵＨＦ帯域で実質上導通した状態となるインピー
ダンス回路とを具備したことを特徴とするアンテナ。(1) A first radiator designed for the UHF band and a
a reflector designed for the HF band; and a second radiator disposed between the first radiator and the reflector and designed for the VHF band.
An antenna comprising: a radiator; and an impedance circuit that is connected in parallel to a power feeding terminal of the second radiator and is substantially conductive in the UHF band.
扇形アンテナであり、前記第２の放射器は線状ダイポー
ルアンテナ又は折返しダイポールアンテナであり、前記
インピーダンス回路はコンデンサ又はコンデンサ及びコ
イルの並列共振回路から成る実用新案登録請求の範囲第
（１）項記載のアンテナ。(2) The first radiator is a linear dipole antenna or a sector antenna, the second radiator is a linear dipole antenna or a folded dipole antenna, and the impedance circuit is a capacitor or a parallel resonance of a capacitor and a coil. An antenna according to claim (1) of the utility model registration comprising a circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1982060766U JPS58164313U (en) | 1982-04-26 | 1982-04-26 | antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1982060766U JPS58164313U (en) | 1982-04-26 | 1982-04-26 | antenna |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS58164313U true JPS58164313U (en) | 1983-11-01 |
| JPH0328571Y2 JPH0328571Y2 (en) | 1991-06-19 |
Family
ID=30070999
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1982060766U Granted JPS58164313U (en) | 1982-04-26 | 1982-04-26 | antenna |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58164313U (en) |
-
1982
- 1982-04-26 JP JP1982060766U patent/JPS58164313U/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0328571Y2 (en) | 1991-06-19 |
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