JPH0260310U

JPH0260310U -

Info

Publication number: JPH0260310U
Application number: JP14021188U
Authority: JP
Priority date: 1988-10-27
Filing date: 1988-10-27
Publication date: 1990-05-02

Description

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

第１図ａとｂはこの考案の一実施例を示す図、
第２図は放射導体素子に導体線路でマイクロスト
リツプ線路を接続する本数を変化させた場合のマ
イクロストリツプアンテナの共振周波数と反射損
失の特性を示す図、第３図は従来のマイクロスト
リツプアンテナの一例を示す図、第４図は従来の
マイクロストリツプアンテナの共振周波数と反射
損失の特性を示す図である。図中、１は放射導体素子、２は誘電体基板、３
は接地導体板、４は同軸線路、５は給電点、６は
中心導体、７は開放周辺端、８はマイクロストリ
ツプ線路、９は導体線路である。なお、図中、同
一符号は同一あるいは相当部分を示す。 Figures 1a and 1b are diagrams showing an embodiment of this invention;
Figure 2 shows the resonant frequency and return loss characteristics of a microstrip antenna when the number of conductor lines connected to the radiating conductor element is changed, and Figure 3 shows the characteristics of a conventional microstrip antenna. FIG. 4 is a diagram showing an example of a strip antenna, and FIG. 4 is a diagram showing characteristics of the resonant frequency and return loss of a conventional microstrip antenna. In the figure, 1 is a radiation conductor element, 2 is a dielectric substrate, and 3
4 is a ground conductor plate, 4 is a coaxial line, 5 is a feeding point, 6 is a center conductor, 7 is an open peripheral end, 8 is a microstrip line, and 9 is a conductor line. In addition, in the figures, the same reference numerals indicate the same or corresponding parts.

Claims

【実用新案登録請求の範囲】[Scope of utility model registration request]

波長に比べて薄い誘電体基板上に、開放形の平
面回路による放射導体素子を設け、対向する接地
導体板の背面にマイクロ波の給電のための同軸線
路を設けて構成されるマイクロストリツプアンテ
ナにおいて、上記平面回路の放射導体素子の２辺
に平行に被着したマイクロストリツプ線路を導体
線路で放射導体素子と接続し、前記放射導体素子
の共振周波数を可変とすることを特徴とするマイ
クロストリツプアンテナ。 Microstrip consists of a dielectric substrate that is thinner than the wavelength, a radiation conductor element with an open planar circuit, and a coaxial line for feeding microwaves on the back of the opposing ground conductor plate. In the antenna, a microstrip line attached parallel to two sides of the radiation conductor element of the planar circuit is connected to the radiation conductor element by a conductor line, and the resonant frequency of the radiation conductor element is made variable. microstrip antenna.