JPS6330001U - - Google Patents
Info
- Publication number
- JPS6330001U JPS6330001U JP12099586U JP12099586U JPS6330001U JP S6330001 U JPS6330001 U JP S6330001U JP 12099586 U JP12099586 U JP 12099586U JP 12099586 U JP12099586 U JP 12099586U JP S6330001 U JPS6330001 U JP S6330001U
- Authority
- JP
- Japan
- Prior art keywords
- rectangular waveguide
- section
- rectangular
- transmission line
- primary radiator
- 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.)
- Granted
Links
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 claims 6
- 239000002184 metal Substances 0.000 claims 1
- 230000010287 polarization Effects 0.000 claims 1
- 239000007787 solid Substances 0.000 claims 1
Landscapes
- Waveguide Switches, Polarizers, And Phase Shifters (AREA)
- Aerials With Secondary Devices (AREA)
Description
第１図は本考案の一実施例を示すカセグレンア
ンテナの第２図中Ａ―Ａ線に沿つた断面図、第２
図は第１図に示すカセグレンアンテナの一部破断
背面図、第３図は第１図に示すカセグレンアンテ
ナの第２図中Ａ―Ａ線に沿つた要部拡大断面図、
第４図は第１図に示す一次放射器と方形導波管組
立体の分解斜視図、第５図ａないしｄは方形導波
管組立体の各パーツの端面図、第６図及び第７図
はそれぞれ一次放射器に対する第１方形導波管素
子の組み付け途中の状態を示す斜視図である。
図において、１１は主反射鏡、１２はベース、
１４は無線装置本体、２０は一次放射器、２５は
円形導波管、２９は方形導波管、３０は方形導波
管組立体、３１は第１方形導波管素子、３２は第
２方形導波管素子、３３は結合素子、３４はスリ
ツトパターン、３１は第１素子部、３８は第２素
子部をそれぞれ示す。
Figure 1 is a sectional view taken along line A--A in Figure 2 of a Cassegrain antenna showing one embodiment of the present invention;
The figure is a partially cutaway rear view of the Cassegrain antenna shown in Fig. 1, and Fig. 3 is an enlarged sectional view of the main part of the Cassegrain antenna shown in Fig. 1, taken along line A-A in Fig. 2.
FIG. 4 is an exploded perspective view of the primary radiator and rectangular waveguide assembly shown in FIG. 1, FIGS. 5 a to d are end views of each part of the rectangular waveguide assembly, and FIGS. Each figure is a perspective view showing a state in which the first rectangular waveguide element is being assembled to the primary radiator. In the figure, 11 is the main reflecting mirror, 12 is the base,
14 is a wireless device body, 20 is a primary radiator, 25 is a circular waveguide, 29 is a rectangular waveguide, 30 is a rectangular waveguide assembly, 31 is a first rectangular waveguide element, and 32 is a second rectangular waveguide. A waveguide element, 33 a coupling element, 34 a slit pattern, 31 a first element part, and 38 a second element part, respectively.
Claims (1)
付けられる一次放射器２０と、該一次放射器２０
に設けられている円形導波管２５と無線装置本体
１４側に設けられている方形導波管２９との間に
介在される方形導波管組立体３０とを備え、 該方形導波管組立体３０が、無線装置本体の方
形導波管２９に接続される第１方形導波管素子３
１と、該第１方形導波管素子と一次放射器の円形
導波管２５との間に配設される第２方形導波管素
子３２と、第１及び第２方形導波管素子間に配設
されて第１及び第２方形導波管素子を結合するス
リツトパターン３４を有し且つ第１及び第２方形
導波管素子の一方から他方に伝送される電波の偏
波面が９０°異なる場合及び同一の場合の双方に
おいて所定の伝送特性を与える金属板製の結合素
子３３とを備え、 該結合素子３３が第１方形導波管素子３１に一
体化され、 第１及び第２方形導波管素子３１，３２が互い
に軸線周りに９０°異なる位置で位置決め可能と
されて一次放射器２０に取り付けられていること
、を特徴とするカセグレンアンテナ。 ２ 一次放射器２０が主反射鏡１１に対しその軸
線周りに９０°異なる位置で位置決め可能とされ
て取り付けられていることを特徴とする特許請求
の範囲第１項に記載のカセグレンアンテナ。 ３ 第２方形導波管素子３２が、第１方形導波管
素子３１の伝送路断面と同一の長方形伝送路断面
を有する第１素子部３６と、長方形伝送路断面の
長辺に対する短辺の比率が第１素子部の伝送路断
面よりも大きい伝送路断面を有する第２素子部３
８とからなつていることを特徴とする特許請求の
範囲第１項に記載のカセグレンアンテナ。[Claims for Utility Model Registration] 1. A main reflecting mirror 11, a primary radiator 20 attached to the center of the main reflecting mirror, and the primary radiator 20.
a rectangular waveguide assembly 30 interposed between a circular waveguide 25 provided on the wireless device main body 14 side and a rectangular waveguide 29 provided on the wireless device main body 14 side; The solid body 30 is a first rectangular waveguide element 3 connected to the rectangular waveguide 29 of the wireless device main body.
1, a second rectangular waveguide element 32 disposed between the first rectangular waveguide element and the circular waveguide 25 of the primary radiator, and between the first and second rectangular waveguide elements. has a slit pattern 34 disposed in the slit pattern 34 to couple the first and second rectangular waveguide elements, and the plane of polarization of the radio wave transmitted from one of the first and second rectangular waveguide elements to the other is 90°. A coupling element 33 made of a metal plate that provides predetermined transmission characteristics both in different cases and in the same case, the coupling element 33 being integrated with the first rectangular waveguide element 31, and the first and second rectangular waveguide elements A Cassegrain antenna characterized in that rectangular waveguide elements 31 and 32 are attached to a primary radiator 20 so as to be able to be positioned at positions 90 degrees apart from each other around an axis. 2. The Cassegrain antenna according to claim 1, wherein the primary radiator 20 is attached to the main reflecting mirror 11 so that it can be positioned at a position 90° different from the main reflecting mirror 11 around its axis. 3 The second rectangular waveguide element 32 has a first element part 36 having the same rectangular transmission line cross section as the transmission line cross section of the first rectangular waveguide element 31, and a rectangular transmission line cross section having a short side with respect to a long side. a second element section 3 having a transmission line cross section with a larger ratio than the transmission line cross section of the first element section;
8. The Cassegrain antenna according to claim 1, characterized in that it consists of: 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12099586U JPH0321041Y2 (en) | 1986-08-08 | 1986-08-08 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12099586U JPH0321041Y2 (en) | 1986-08-08 | 1986-08-08 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6330001U true JPS6330001U (en) | 1988-02-27 |
| JPH0321041Y2 JPH0321041Y2 (en) | 1991-05-08 |
Family
ID=31009844
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12099586U Expired JPH0321041Y2 (en) | 1986-08-08 | 1986-08-08 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0321041Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2016146589A (en) * | 2015-02-09 | 2016-08-12 | 日本放送協会 | Antenna device |
-
1986
- 1986-08-08 JP JP12099586U patent/JPH0321041Y2/ja not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2016146589A (en) * | 2015-02-09 | 2016-08-12 | 日本放送協会 | Antenna device |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0321041Y2 (en) | 1991-05-08 |
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