JPH03128316U - - Google Patents
Info
- Publication number
- JPH03128316U JPH03128316U JP3698590U JP3698590U JPH03128316U JP H03128316 U JPH03128316 U JP H03128316U JP 3698590 U JP3698590 U JP 3698590U JP 3698590 U JP3698590 U JP 3698590U JP H03128316 U JPH03128316 U JP H03128316U
- Authority
- JP
- Japan
- Prior art keywords
- resin spacer
- helical
- branched
- circularly polarized
- small hole
- 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
- 239000011347 resin Substances 0.000 claims description 17
- 229920005989 resin Polymers 0.000 claims description 17
- 125000006850 spacer group Chemical group 0.000 claims description 17
- 239000002184 metal Substances 0.000 claims description 4
- 230000037431 insertion Effects 0.000 claims description 2
- 238000003780 insertion Methods 0.000 claims description 2
- 230000002265 prevention Effects 0.000 description 1
Description
第１図は本考案に係る円偏波アンテナ装置の第
１実施例を示す要部断面図、第２図は第１実施例
におけるヘリカルアンテナの底面図、第３図は第
１実施例における第２の金属平板の小さな穴を示
す平面図、第４図は第２実施例を示す要部断面図
、第５図は第３実施例を示す要部断面図、第６図
Ａは樹脂製スペーサ側及び小さな穴側の回転防止
用凹凸部の第１具体例における樹脂製スペーサの
底面図、第６図Ｂは第１具体例における小さな穴
の平面図、第７図Ａは樹脂製スペーサ側及び小さ
な穴側の回転防止用凹凸部の第２具体例における
樹脂製スペーサの底面図、第７図Ｂは第２具体例
における小さな穴の平面図、第８図Ａは樹脂製ス
ペーサ側及び小さな穴側の回転防止用凹凸部の第
３具体例における樹脂製スペーサの底面図、第８
図Ｂは第３具体例における小さな穴の平面図、第
９図Ａは樹脂製スペーサ側及び小さな穴側の回転
防止用凹凸部の第４具体例における樹脂製スペー
サの底面図、第９図Ｂは第４具体例における小さ
な穴の平面図、第１０図Ａは樹脂製スペーサ側及
び小さな穴側の回転防止用凹凸部の第５具体例に
おける樹脂製スペーサの底面図、第１０図Ｂは第
５具体例における小さな穴の平面図、第１１図Ａ
は樹脂製スペーサ側及び小さな穴側の回転防止用
凹凸部の第６具体例における樹脂製スペーサの底
面図、第１１図Ｂは第６具体例における小さな穴
の平面図、第１２図は先に本出願人が提案してい
る円偏波アンテナ装置の基本構成を示す平面図、
第１３図は第１２図の−断面図である。
１０……第１の円形金属平板、１１……第２の
円形金属平板、１２……円形金属リング、１３…
…中央給電用穴、１４……小さな穴、１６……同
軸線路、１７……芯線、２０，３０，３０Ａ，３
０Ｂ……ヘリカルアンテナ、２１，３２……給電
用挿入部、３１……ヘリカルコイル、３３，３３
Ａ，３３Ｂ……樹脂製スペーサ、４０Ａ，４１Ａ
，４２Ａ……凸部、４０Ｂ，４１Ｂ，４２Ｂ……
凹部、４３Ａ，４４Ａ，４５Ａ……凹部、４３Ｂ
，４４Ｂ，４５Ｂ……凸部、４６Ａ……平面状切
欠部、４６Ｂ……平坦状非対称部。
FIG. 1 is a sectional view of essential parts showing a first embodiment of a circularly polarized antenna device according to the present invention, FIG. 2 is a bottom view of a helical antenna in the first embodiment, and FIG. 3 is a cross-sectional view of a helical antenna in the first embodiment. FIG. 4 is a sectional view of the main part showing the second embodiment, FIG. 5 is a sectional view of the main part showing the third embodiment, and FIG. 6A is a resin spacer. FIG. 6B is a bottom view of the resin spacer in the first example of the anti-rotation irregularities on the side and small hole side, FIG. 6B is a plan view of the small hole in the first example, and FIG. 7A is the resin spacer side and the small hole side. A bottom view of the resin spacer in the second specific example of the uneven portion for preventing rotation on the small hole side, FIG. 7B is a plan view of the small hole in the second specific example, and FIG. 8A is the resin spacer side and the small hole. Bottom view of the resin spacer in the third specific example of the uneven portion for preventing rotation on the side, the eighth
Figure B is a plan view of the small hole in the third specific example, Figure 9A is a bottom view of the resin spacer in the fourth concrete example of the rotation prevention unevenness on the resin spacer side and the small hole side, and Figure 9B 10A is a plan view of the small hole in the fourth specific example, FIG. 10A is a bottom view of the resin spacer in the fifth specific example of the anti-rotation irregularities on the resin spacer side and the small hole side, and FIG. 10B is the bottom view of the resin spacer in the fifth specific example. Top view of a small hole in 5 specific examples, FIG. 11A
11B is a bottom view of the resin spacer in the sixth specific example of the anti-rotation irregularities on the resin spacer side and the small hole side, FIG. 11B is a plan view of the small hole in the sixth specific example, and FIG. 12 is the first one. A plan view showing the basic configuration of the circularly polarized antenna device proposed by the applicant,
FIG. 13 is a cross-sectional view of FIG. 12. 10...First circular metal flat plate, 11...Second circular metal flat plate, 12...Circular metal ring, 13...
...Central power feeding hole, 14...Small hole, 16...Coaxial line, 17...Core wire, 20, 30, 30A, 3
0B... Helical antenna, 21, 32... Power feeding insertion part, 31... Helical coil, 33, 33
A, 33B...Resin spacer, 40A, 41A
, 42A... Convex portion, 40B, 41B, 42B...
Recessed portion, 43A, 44A, 45A... recessed portion, 43B
, 44B, 45B... Convex portion, 46A... Planar notch, 46B... Flat asymmetrical portion.
Claims (1)
板の第１の平板の中央より給電された電力が、第
２の平板にあけられた複数個の小さな穴を通して
分岐され、この分岐電力が複数個のヘリカルアン
テナを励振する円偏波アンテナ装置であつて、前
記ヘリカルアンテナのヘリカルコイル基部を少な
くとも覆うとともに給電用挿入部の一部を少なく
とも覆う樹脂製スペーサを当該ヘリカルアンテナ
に一体成形し、前記樹脂製スペーサを前記小さな
穴に装着したことを特徴とする円偏波アンテナ装
置。 (2) 前記樹脂製スペーサの外周部に回転防止用
凹凸又は非対称部が形成されている請求項１記載
の円偏波アンテナ装置。[Claims for Utility Model Registration] (1) Electric power supplied from the center of the first flat plate of parallel metal plates whose spacing is narrower than the wavelength of radio waves is transmitted to multiple small holes drilled in the second flat plate. A circularly polarized antenna device in which branched power is branched through a plurality of helical antennas and excites a plurality of helical antennas, wherein the branched power is branched through a resin spacer that covers at least a helical coil base of the helical antenna and also covers at least a part of a power feeding insertion part. A circularly polarized antenna device, characterized in that the helical antenna is integrally molded, and the resin spacer is attached to the small hole. (2) The circularly polarized antenna device according to claim 1, wherein a rotation-preventing unevenness or an asymmetrical portion is formed on the outer periphery of the resin spacer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3698590U JPH075693Y2 (en) | 1990-04-07 | 1990-04-07 | Circularly polarized antenna device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3698590U JPH075693Y2 (en) | 1990-04-07 | 1990-04-07 | Circularly polarized antenna device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH03128316U true JPH03128316U (en) | 1991-12-24 |
| JPH075693Y2 JPH075693Y2 (en) | 1995-02-08 |
Family
ID=31543697
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3698590U Expired - Lifetime JPH075693Y2 (en) | 1990-04-07 | 1990-04-07 | Circularly polarized antenna device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH075693Y2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7066234B2 (en) | 2001-04-25 | 2006-06-27 | Alcove Surfaces Gmbh | Stamping tool, casting mold and methods for structuring a surface of a work piece |
-
1990
- 1990-04-07 JP JP3698590U patent/JPH075693Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH075693Y2 (en) | 1995-02-08 |
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