JPH01108611U - - Google Patents
Info
- Publication number
- JPH01108611U JPH01108611U JP331388U JP331388U JPH01108611U JP H01108611 U JPH01108611 U JP H01108611U JP 331388 U JP331388 U JP 331388U JP 331388 U JP331388 U JP 331388U JP H01108611 U JPH01108611 U JP H01108611U
- Authority
- JP
- Japan
- Prior art keywords
- antenna device
- reflector
- waveguide
- circular waveguide
- waveguide connected
- 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.)
- Pending
Links
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Aerials With Secondary Devices (AREA)
Description
第１図はこの考案の一実施例を示すアンテナ装
置を示す図、第２図は従来のアンテナ装置を示す
図、第３図はインピーダンス特性を示す図である
。
図において１は反射鏡、２は１次放射器、３は
１次放射器に接続される円形導波管、５は短辺の
長さを長辺の長さの０．４５倍以下に短くした矩
形の導波管、６は整合器である。なお、図中同一
符号は同一または相当部分を示す。
FIG. 1 is a diagram showing an antenna device showing an embodiment of this invention, FIG. 2 is a diagram showing a conventional antenna device, and FIG. 3 is a diagram showing impedance characteristics. In the figure, 1 is a reflector, 2 is a primary radiator, 3 is a circular waveguide connected to the primary radiator, and 5 is a short side with a short length of less than 0.45 times the long side. 6 is a matching box. Note that the same reference numerals in the figures indicate the same or corresponding parts.
Claims (1)
次放射器に接続される円形導波管および円形導波
管に接続する矩形の給電導波管からなるアンテナ
装置において、上記給電導波管の短辺を長辺の０
．４５倍以下の長さにしたことを特徴とするアン
テナ装置。 Reflector, primary radiator placed in front of the reflector, 1
In an antenna device consisting of a circular waveguide connected to the next radiator and a rectangular feeding waveguide connected to the circular waveguide, the short side of the feeding waveguide is set to 0 of the long side.
．． An antenna device characterized in that the length is 45 times or less.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP331388U JPH01108611U (en) | 1988-01-14 | 1988-01-14 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP331388U JPH01108611U (en) | 1988-01-14 | 1988-01-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01108611U true JPH01108611U (en) | 1989-07-24 |
Family
ID=31204838
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP331388U Pending JPH01108611U (en) | 1988-01-14 | 1988-01-14 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01108611U (en) |
-
1988
- 1988-01-14 JP JP331388U patent/JPH01108611U/ja active Pending
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