JPH01113406U - - Google Patents
Info
- Publication number
- JPH01113406U JPH01113406U JP870188U JP870188U JPH01113406U JP H01113406 U JPH01113406 U JP H01113406U JP 870188 U JP870188 U JP 870188U JP 870188 U JP870188 U JP 870188U JP H01113406 U JPH01113406 U JP H01113406U
- Authority
- JP
- Japan
- Prior art keywords
- reflector
- sub
- opening
- radio wave
- main
- 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
- 238000007664 blowing Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 5
- 230000005574 cross-species transmission Effects 0.000 description 1
Landscapes
- Aerials With Secondary Devices (AREA)
- Details Of Aerials (AREA)
Description
第１図は、この考案の実施例を示す円錐形状遮
蔽体開口部への送風器取付の一部断面構造図、第
２図は従来の反射鏡アンテナの構成図、第３図は
従来の副反射鏡周辺の構造図、第４図は従来の円
錐形状遮蔽体の一部断面構造図である。
図中、１は主反射鏡、２は副反射鏡、３は一次
ホーン、４はアンテナ軸を表わす仮想線、５は電
波の軌跡、６は遮蔽体、７は開口部、８は支持棒
、９はスピルオーバの軌跡、１０は誘電体カバー
、１１は送風器、１２は送風口である。なお、図
中、同一符号は同一、又は相当部分を示す。
Fig. 1 is a partial cross-sectional structural diagram of a blower attached to a conical shield opening showing an embodiment of this invention, Fig. 2 is a configuration diagram of a conventional reflector antenna, and Fig. 3 is a conventional sub-structure diagram. FIG. 4 is a structural diagram of the area around the reflecting mirror, and is a partial cross-sectional structural diagram of a conventional conical shield. In the figure, 1 is the main reflector, 2 is the sub-reflector, 3 is the primary horn, 4 is a virtual line representing the antenna axis, 5 is the trajectory of the radio wave, 6 is the shield, 7 is the opening, 8 is the support rod, 9 is a spillover locus, 10 is a dielectric cover, 11 is an air blower, and 12 is an air outlet. In addition, in the figures, the same reference numerals indicate the same or equivalent parts.
Claims (1)
オフセツトグレゴリアン形式の反射鏡アンテナに
おいて、上記ホーンから副反射鏡を介して主反射
鏡に向かう電波通路外周縁部上の遮蔽体の前記副
反射鏡から主反射鏡に向かう電波通路開口部付近
に、開口部へ送風する送風器を設けたことを特徴
とする反射鏡アンテナ。 In an offset Gregorian-type reflector antenna composed of a main reflector, a sub-reflector, and a primary horn, the secondary reflector of the shield on the outer periphery of the radio wave path from the horn to the main reflector via the sub-reflector. A reflector antenna characterized in that a blower for blowing air toward the opening is provided near the opening of the radio wave path from the reflector to the main reflector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP870188U JPH01113406U (en) | 1988-01-26 | 1988-01-26 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP870188U JPH01113406U (en) | 1988-01-26 | 1988-01-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01113406U true JPH01113406U (en) | 1989-07-31 |
Family
ID=31214808
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP870188U Pending JPH01113406U (en) | 1988-01-26 | 1988-01-26 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01113406U (en) |
-
1988
- 1988-01-26 JP JP870188U patent/JPH01113406U/ja active Pending