JPS60136517U

JPS60136517U - Slot array antenna device

Info

Publication number: JPS60136517U
Application number: JP2338084U
Authority: JP
Inventors: 隆成寺川; 赤羽　紀之
Original assignee: 株式会社トキメック
Priority date: 1984-02-21
Filing date: 1984-02-21
Publication date: 1985-09-10

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of the drawing]

第１図は誘電体導波機構を備えたスロット・アレイ・ア
ンテナ装置の例を示す斜視図、第２図はその断面図、第
３図は誘電体板内を進行するトラップ波の進行状態を示
す説明図、第４図は本考案スロット・アレイ・アンテナ
装置の一実施例ヲ示す斜視図、第５図はその断面図、第
６図は該実施例の実測放射パターンを示す特性図、第７
図は上記第１図に示す例の実測放射パターンを示す特性
図、第８図ａ、　ｂ、　ｃおよびｄは各々本考案を適用
し得る誘電体板の他の例を示す部分断面図である。１・・・スロット導波管、２・・・チャンネル部材、３
・・・誘電体導波機構、３ａ、３ｂ・・・誘電体板、３
ｃ・・・斜面、３ｄ・・・曲面、４・・・反射板。第１図補正　昭６０．５．１５実用新案登録請求の範囲を次のように補正する。Ｏ実用新案登録請求の範囲（１）スロット導波管の前方に、該前方の空間を挟んで
、板厚が使用波長に比して十分薄い一対の誘電体板を突
出して設け、かつ、該一対の誘電体板の外側に、誘電体
板の基部近傍を透過して射出される電磁波を反射する反
射板を設けて成るスロット・アレイ・アンテナ装置にお
いて、上記一対の誘電体板の先端面を、斜面状または曲
面状に形成して成ることを特徴とするスロット・アレイ
・アンテナ装置。（２）上記一対の誘電体板の各先端面を、先端から少な
くとも１／４波長の長さの領域にて斜面状として成る上
記請求の範囲第１項記載のスロット・アレイ・アンテナ
装置。 −（３）上記一対の誘電体板の各先端面を、先端から少
なくとも１／４波長の長さの領域にて曲面状として成る
上記請求の範囲第１項記載のスロット・アレイ・アンテ
ナ装置。Fig. 1 is a perspective view showing an example of a slot array antenna device equipped with a dielectric waveguide mechanism, Fig. 2 is a cross-sectional view thereof, and Fig. 3 shows the progress state of a trapped wave traveling within a dielectric plate. 4 is a perspective view showing an embodiment of the slot array antenna device of the present invention, FIG. 5 is a sectional view thereof, and FIG. 6 is a characteristic diagram showing the measured radiation pattern of the embodiment. 7
The figure is a characteristic diagram showing the measured radiation pattern of the example shown in FIG. . 1... Slot waveguide, 2... Channel member, 3
...Dielectric waveguide mechanism, 3a, 3b...Dielectric plate, 3
c...Slope, 3d...Curved surface, 4...Reflector. Amendment to Figure 1 May 15, 1980 The scope of claims for utility model registration is amended as follows. O Utility Model Registration Claims (1) A pair of dielectric plates protruding from the front of the slot waveguide, sandwiching a space in front of the slot waveguide, the thickness of which is sufficiently thin compared to the wavelength used; In a slot array antenna device comprising a reflector plate provided on the outside of a pair of dielectric plates to reflect electromagnetic waves transmitted through the vicinity of the base of the dielectric plates and emitted, the tip surfaces of the pair of dielectric plates are , a slot array antenna device characterized in that it is formed in the shape of an inclined surface or a curved surface. (2) The slot array antenna device according to claim 1, wherein each tip end surface of the pair of dielectric plates is sloped in a region at least 1/4 wavelength from the tip. (3) The slot array antenna device according to claim 1, wherein each tip end surface of the pair of dielectric plates is curved in a region at least 1/4 wavelength from the tip.

Claims

[Scope of utility model registration request]

(1) At the front end of the slot waveguide, a pair of dielectric plates, whose thickness is sufficiently thin compared to the wavelength used, are provided protrudingly across a space in front of the front end, and the pair of dielectric plates are In a slot array antenna device that is provided with a reflecting plate on the outside that reflects electromagnetic waves transmitted through the vicinity of the base of the dielectric plate and emitted, the tip surfaces of the pair of dielectric plates are shaped like an inclined surface or a curved surface. A slot array antenna device comprising:

(2) The slot array antenna device according to claim 1, wherein each tip end surface of the pair of dielectric plates is sloped in a region having a length of at least 174 wavelengths from the tip.

(3) The slot array antenna device according to claim 1, wherein each tip end surface of the pair of dielectric plates is curved in a region of at least 1/4 wavelength from the tip.