JPS6168512U - - Google Patents
Info
- Publication number
- JPS6168512U JPS6168512U JP15192084U JP15192084U JPS6168512U JP S6168512 U JPS6168512 U JP S6168512U JP 15192084 U JP15192084 U JP 15192084U JP 15192084 U JP15192084 U JP 15192084U JP S6168512 U JPS6168512 U JP S6168512U
- Authority
- JP
- Japan
- Prior art keywords
- primary radiator
- parabolic
- setting device
- screw pair
- setting
- 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 1
- 230000005855 radiation Effects 0.000 description 1
Landscapes
- Aerials With Secondary Devices (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
Description
第１図は本考案の一実施例の側面図、第２図は
この実施例の一次放射器位置調整機構を示す側面
図、第３図は第１図実施例の放射特性を示す図、
第４図は直接衛星放送受信用の従来のパラボラア
ンテナを示す側面図である。
１…パラボラ反射鏡、２…一次放射器、３…一
次放射器支持アーム、４…パラボラ反射鏡取付台
、５…ポール、６…一次放射器２を取付ける筒、
１１…アンテナビームの指向軸、１２…最低受信
レベル、１３，１４…アンテナパターン、２１…
螺旋溝。
FIG. 1 is a side view of an embodiment of the present invention, FIG. 2 is a side view showing the primary radiator position adjustment mechanism of this embodiment, and FIG. 3 is a diagram showing the radiation characteristics of the embodiment of FIG.
FIG. 4 is a side view showing a conventional parabolic antenna for direct satellite broadcast reception. 1... Parabolic reflector, 2... Primary radiator, 3... Primary radiator support arm, 4... Parabolic reflector mount, 5... Pole, 6... Tube for attaching the primary radiator 2,
11... Directional axis of antenna beam, 12... Minimum reception level, 13, 14... Antenna pattern, 21...
spiral groove.
Claims (1)
射器と前記パラボラ反射鏡との相対位置を設定す
る設定器とが備えてあり、前記一次放射器及び前
記設定器は互いにネジ対偶で連結してあり、この
ネジ対偶の軸は前記一次放射器の長手軸にほぼ一
致しており、前記ネジ対偶の進退範囲は受信電波
の波長以上であることを特徴とするパラボラアン
テナ。 A parabolic reflector, a primary radiator, and a setting device for setting the relative position of the primary radiator and the parabolic reflecting mirror are provided, and the primary radiator and the setting device are connected to each other by a pair of screws. A parabolic antenna characterized in that the axis of the screw pair substantially coincides with the longitudinal axis of the primary radiator, and the advancing and retracting range of the screw pair is equal to or longer than the wavelength of received radio waves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15192084U JPS6168512U (en) | 1984-10-08 | 1984-10-08 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15192084U JPS6168512U (en) | 1984-10-08 | 1984-10-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6168512U true JPS6168512U (en) | 1986-05-10 |
Family
ID=30710014
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15192084U Pending JPS6168512U (en) | 1984-10-08 | 1984-10-08 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6168512U (en) |
-
1984
- 1984-10-08 JP JP15192084U patent/JPS6168512U/ja active Pending
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