JPS6219809U

JPS6219809U -

Info

Publication number: JPS6219809U
Application number: JP10982085U
Authority: JP
Priority date: 1985-07-18
Filing date: 1985-07-18
Publication date: 1987-02-05

Description

[Brief explanation of the drawing]

第１図ａ及びｂはこの考案の一実施例を示す図
、第２図ａ及びｂはこの考案の一実施例の動作原
理を説明するための図、第３図はこの考案の一実
施例の表面電流分布、及び内部電界分布を示す図
、第４図ａ及びｂは従来の矩形マイクロストリツ
プアンテナの一例を示す図、第５図ａ及びｂは従
来の矩形マイクロストリツプアンテナの一例の動
作原理を説明するための図である。図において、１は誘電体基板、２は矩形放射導
体素子、３は接地導体板、５は第一の給電点、１
１は主偏波方向と平行な矩形放射導体素子２の中
心軸に対して、第一の給電点５と対称な位置に設
けた第二の給電点である。なお、各図中同一符号
は同一または相当部分を示す。 Figures 1a and b are diagrams showing an embodiment of this invention, Figures 2a and b are diagrams for explaining the operating principle of an embodiment of this invention, and Figure 3 is an embodiment of this invention. Figures 4a and 4b are diagrams showing an example of a conventional rectangular microstrip antenna, and Figures 5a and b are diagrams showing an example of a conventional rectangular microstrip antenna. FIG. 3 is a diagram for explaining an example operating principle. In the figure, 1 is a dielectric substrate, 2 is a rectangular radiation conductor element, 3 is a ground conductor plate, 5 is a first feeding point, 1
Reference numeral 1 denotes a second feeding point provided at a position symmetrical to the first feeding point 5 with respect to the central axis of the rectangular radiation conductor element 2 parallel to the main polarization direction. Note that the same reference numerals in each figure indicate the same or corresponding parts.

Claims

[Scope of utility model registration request]

A rectangular microstrip antenna having a dielectric substrate, a ground conductor plate placed on the lower surface of the dielectric substrate, and a rectangular radiation conductor element facing the ground conductor plate with the dielectric substrate interposed therebetween. A rectangular shape characterized by providing a second feeding point at a position symmetrical to the first feeding point with respect to the center axis of the rectangular radiation conductor element parallel to the polarization direction, and feeding electricity with equal amplitude and equal phase to each other. Microstrip antenna.