JPS62143307U - - Google Patents
Info
- Publication number
- JPS62143307U JPS62143307U JP2977386U JP2977386U JPS62143307U JP S62143307 U JPS62143307 U JP S62143307U JP 2977386 U JP2977386 U JP 2977386U JP 2977386 U JP2977386 U JP 2977386U JP S62143307 U JPS62143307 U JP S62143307U
- Authority
- JP
- Japan
- Prior art keywords
- length
- element portion
- feeding point
- power feeding
- view
- 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.)
- Pending
Links
- 239000002184 metal Substances 0.000 description 2
Landscapes
- Details Of Aerials (AREA)
Description
第１図は本考案の一実施例の断面図でエレメン
ト部１を延ばした状態を示し、第２図は第１図の
エレメント部１を縮めた状態の断面図、第３図は
本考案の別の実施例の断面図でエレメント部１１
を延ばした状態を示し、第４図は第３図のエレメ
ント部１１を縮めた状態の断面図および、第５図
は金属部１６の実施例の斜視図である。
図において、１，１１…エレメント部、１―１
〜１―３，１１―１〜１１―３…単位エレメント
、２，１２…基部、３，６…切換回路、４，１４
…コイル、５，１５…インピーダンスマツチング
回路、７，１７…給電点、１３，１６…金属部、
ａ…制御信号。
Fig. 1 is a cross-sectional view of an embodiment of the present invention, showing the element part 1 in an extended state, Fig. 2 is a cross-sectional view of the element part 1 of Fig. 1 in a contracted state, and Fig. 3 is a cross-sectional view of an embodiment of the present invention. Element part 11 in a cross-sectional view of another embodiment
4 is a sectional view of the element portion 11 shown in FIG. 3 in a contracted state, and FIG. 5 is a perspective view of an embodiment of the metal portion 16. In the figure, 1, 11...element part, 1-1
~1-3,11-1~11-3...Unit element, 2,12...Base, 3,6...Switching circuit, 4,14
...Coil, 5,15...Impedance matching circuit, 7,17...Feeding point, 13,16...Metal part,
a...Control signal.
Claims (1)
に伸縮自在なエレメント部と、 該エレメント部を前記第１の長さにしたときに
前記エレメント部と給電点との間に接続され、前
記エレメント部を前記第２の長さにしたときは前
記エレメント部と前記給電点との間に接続されな
いコイル及びインピーダンスマツチング回路とを
備えたことを特徴とする可変長アンテナ。[Claims for Utility Model Registration] An element portion that is expandable and retractable between a first length and a second length shorter than the first length; It is characterized by comprising a coil and an impedance matching circuit that are connected between the element portion and the power feeding point and are not connected between the element portion and the power feeding point when the element portion is set to the second length. variable length antenna.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2977386U JPS62143307U (en) | 1986-03-01 | 1986-03-01 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2977386U JPS62143307U (en) | 1986-03-01 | 1986-03-01 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62143307U true JPS62143307U (en) | 1987-09-10 |
Family
ID=30833964
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2977386U Pending JPS62143307U (en) | 1986-03-01 | 1986-03-01 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62143307U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0396103A (en) * | 1989-08-02 | 1991-04-22 | American Teleph & Telegr Co <Att> | Expandable antenna device and method of resonance of the same |
-
1986
- 1986-03-01 JP JP2977386U patent/JPS62143307U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0396103A (en) * | 1989-08-02 | 1991-04-22 | American Teleph & Telegr Co <Att> | Expandable antenna device and method of resonance of the same |