JPS61187106U

JPS61187106U -

Info

Publication number: JPS61187106U
Application number: JP6893885U
Authority: JP
Priority date: 1985-05-10
Filing date: 1985-05-10
Publication date: 1986-11-21

Description

[Brief explanation of the drawing]

第１図は本考案の一実施例のエンドフアイアヘ
リワルアンテナを示す側面図である。第２図は第
１ａ図に示すエンドフアイアヘリカルアンテナの
給電部詳細を示す斜視図である。第３ａ図は第１
ａ図に示すエンドフアイアヘリカルアンテナの整
合ユニツト４の下側ケース７を示す平面図、第３
ｂ図は第３ａ図に示す下側ケース７のＢ−Ｂ
線断面図である。第４ａ図は第１ａ図に示すエン
ドフアイアヘリカルアンテナの整合ユニツト４の
上側ケース８を示す平面図、第４ｂ図は第４ａ図
に示す上側ケース８のＢ−Ｂ線断面図である
。第５図はヘリツクスのパラメータを示す説明図
である。第６図はストリツプ線路の構造を示す斜
視断面図である。第７図は従来のエンドフアイア
ヘリカルアンテナを示す側面図である。１，１０１：導体反射板（反射板）、２，１０
２：放射エレメント、３，１０３：エレメント支
持体、４：整合ユニツト（ストリツプ線路部材）
、５，１０５：コネクタ、６，１０６：コーナ形
固定具、７，８：下、上側ケース（ケース部材）
、９：同軸ケーブル（給電線路）、１０：ストリ
ツプ整合器、１１：接続ケーブル、１２：ストリ
ツプ導体、１３：プリント基板（誘電体板）、１
４：調整用コンデンサ、２ａ：絶縁ブツシング、
１０４：同軸整合器。 FIG. 1 is a side view showing an endfire helical antenna according to an embodiment of the present invention. FIG. 2 is a perspective view showing details of the power feeding part of the endfire helical antenna shown in FIG. 1a. Figure 3a is the first
FIG. 3 is a plan view showing the lower case 7 of the matching unit 4 of the endfire helical antenna shown in FIG.
Figure b is the B-B of the lower case 7 shown in Figure 3a.
FIG. FIG. 4a is a plan view showing the upper case 8 of the matching unit 4 of the endfire helical antenna shown in FIG. 1a, and FIG. 4b is a sectional view taken along the line B--B of the upper case 8 shown in FIG. 4a. FIG. 5 is an explanatory diagram showing helix parameters. FIG. 6 is a perspective sectional view showing the structure of the strip line. FIG. 7 is a side view showing a conventional endfire helical antenna. 1,101: Conductor reflector (reflector), 2,10
2: Radiating element, 3,103: Element support, 4: Matching unit (strip line member)
, 5,105: Connector, 6,106: Corner fixture, 7, 8: Lower, upper case (case member)
, 9: Coaxial cable (power supply line), 10: Strip matching device, 11: Connection cable, 12: Strip conductor, 13: Printed circuit board (dielectric board), 1
4: Adjustment capacitor, 2a: Insulating bushing,
104: Coaxial matching box.

Claims

[Scope of Claim for Utility Model Registration] (1) A radiating element that is a conductor; A reflector plate installed near the feeding point of the radiant element; An antenna device comprising: a strip line member for impedance matching between a feeding point and a feeding line. (2) The strip line member comprises a dielectric plate parallel to a reflecting plate carrying a strip conductor, and a case member having a connector and covering the dielectric plate. antenna device. (3) The antenna device according to claim (2) of the utility model registration, wherein the dielectric plate is fixed to the case member, and the case member is fixed to the reflecting plate. (4) The antenna device according to claim (2), wherein the case member is a conductor. (5) The antenna device according to claim 2, wherein the dielectric plate is a printed circuit board, and the stop conductor is a printed electrode on the printed circuit board. (6) The antenna device according to claim (2) of the utility model registration, wherein the dielectric plate is a printed circuit board and has a plurality of through holes. (7) The strip line member comprises a dielectric plate carrying a strip conductor on a first surface and a conductor plate on a second surface, and a case member having a connector and covering the dielectric plate. Scope of registration claims No.
The antenna device described in (1).