JPH01151610U - - Google Patents

Info

Publication number
JPH01151610U
JPH01151610U JP4724288U JP4724288U JPH01151610U JP H01151610 U JPH01151610 U JP H01151610U JP 4724288 U JP4724288 U JP 4724288U JP 4724288 U JP4724288 U JP 4724288U JP H01151610 U JPH01151610 U JP H01151610U
Authority
JP
Japan
Prior art keywords
length
elements
antenna
radiating
wavelength
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
Application number
JP4724288U
Other languages
Japanese (ja)
Other versions
JPH075692Y2 (en
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP1988047242U priority Critical patent/JPH075692Y2/en
Publication of JPH01151610U publication Critical patent/JPH01151610U/ja
Application granted granted Critical
Publication of JPH075692Y2 publication Critical patent/JPH075692Y2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Description

【図面の簡単な説明】[Brief explanation of drawings]

図面は本考案に係る通信用アンテナをグランド
プレーンアンテナにおいて実施したアンテナの外
観を示す斜視図、第２図は同アンテナの構造を示
す説明図、第３図は同アンテナの４４０ＭHzにお
ける特性を示す指向性能図、第４図は輻射器下端
部の説明図、第５図は変更例の説明図、第６図及
び第７図は実施例のアンテナにおける各エレメン
トに流れる１４４ＭHzと４４０ＭHzの各電流分布
を示す電流分布図である。 １……輻射器、１ａ，１ｂ，１ｃ，１ｅ……輻
射エレメント、１ｄ……位相調整素子、２，３…
…反射器、２ａ，３ａ……反射エレメント、４…
…水平ブーム、５……コイル、６……コンデンサ
、７……整合器、８……地線、８ａ……地線取り
付け部材、９……接続端子、１０……防水筒、１
１……ジヨイント、１２……コイル、１３……コ
ンデンサー。 The drawings are perspective views showing the external appearance of a communication antenna according to the present invention implemented as a ground plane antenna, FIG. 2 is an explanatory diagram showing the structure of the antenna, and FIG. 3 is a directional diagram showing the characteristics of the antenna at 440MHz Performance chart, Figure 4 is an explanatory diagram of the lower end of the radiator, Figure 5 is an explanatory diagram of a modified example, and Figures 6 and 7 are the current distributions of 144MHz and 440MHz flowing through each element in the antenna of the example. It is a current distribution diagram shown. 1...Radiator, 1a, 1b, 1c, 1e...Radiation element, 1d...Phase adjustment element, 2, 3...
...Reflector, 2a, 3a...Reflection element, 4...
... Horizontal boom, 5 ... Coil, 6 ... Capacitor, 7 ... Matching box, 8 ... Ground wire, 8a ... Ground wire attachment member, 9 ... Connection terminal, 10 ... Waterproof tube, 1
1... joint, 12... coil, 13... capacitor.

補正 昭６３．６．２４ 図面の簡単な説明を次のように補正する。 明細書第９頁第１１行の「図面は本考案に係る
・・・」を「第１図は本考案に係る・・・」と補
正する。Amendment June 24, 1981 The brief description of the drawing is amended as follows. "The drawings relate to the present invention..." on page 9, line 11 of the specification is amended to "Figure 1 relates to the present invention...".

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 輻射エレメントを上下方向へ多段に積み重ね、
一エレメントの長さと複数エレメントの総和長さ
とで異種の周波数に対して作動可能とした垂直ア
ンテナの側方へ、一エレメント長さと積み重ねた
エレメントの全長で作動する各周波数の1/4波長
の間隔を保つて1/2波長長さの反射エレメントを
夫々前記輻射エレメントと平行に設けて成る通信
用アンテナ。 Radiating elements are stacked vertically in multiple stages,
To the sides of a vertical antenna that can operate on different frequencies depending on the length of one element and the total length of multiple elements, there is a 1/4 wavelength interval for each frequency that operates on the length of one element and the total length of stacked elements. A communication antenna comprising reflective elements each having a length of 1/2 wavelength and provided in parallel with the radiating element.
JP1988047242U 1988-04-07 1988-04-07 Communication antenna Expired - Lifetime JPH075692Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1988047242U JPH075692Y2 (en) 1988-04-07 1988-04-07 Communication antenna

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1988047242U JPH075692Y2 (en) 1988-04-07 1988-04-07 Communication antenna

Publications (2)

Publication Number Publication Date
JPH01151610U true JPH01151610U (en) 1989-10-19
JPH075692Y2 JPH075692Y2 (en) 1995-02-08

Family

ID=31273465

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1988047242U Expired - Lifetime JPH075692Y2 (en) 1988-04-07 1988-04-07 Communication antenna

Country Status (1)

Country Link
JP (1) JPH075692Y2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002204118A (en) * 2000-10-31 2002-07-19 Mitsubishi Materials Corp Antenna

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3869799B2 (en) * 2003-01-15 2007-01-17 株式会社国際電気通信基礎技術研究所 Array antenna control method and control apparatus

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS49132744U (en) * 1973-03-16 1974-11-14
JPS5387150A (en) * 1977-01-07 1978-08-01 Marconi Co Ltd Whip antenna
JPS59140508U (en) * 1983-03-11 1984-09-19 日本アンテナ株式会社 Whip antenna for communication
JPS60192504U (en) * 1984-05-31 1985-12-20 パイオニア株式会社 antenna device
JPS61242401A (en) * 1985-04-19 1986-10-28 Kyushu Sekisui Kogyo Kk Sleeve antenna

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS49132744U (en) * 1973-03-16 1974-11-14
JPS5387150A (en) * 1977-01-07 1978-08-01 Marconi Co Ltd Whip antenna
JPS59140508U (en) * 1983-03-11 1984-09-19 日本アンテナ株式会社 Whip antenna for communication
JPS60192504U (en) * 1984-05-31 1985-12-20 パイオニア株式会社 antenna device
JPS61242401A (en) * 1985-04-19 1986-10-28 Kyushu Sekisui Kogyo Kk Sleeve antenna

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002204118A (en) * 2000-10-31 2002-07-19 Mitsubishi Materials Corp Antenna

Also Published As

Publication number Publication date
JPH075692Y2 (en) 1995-02-08

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