JPS6385914U - - Google Patents
Info
- Publication number
- JPS6385914U JPS6385914U JP18071986U JP18071986U JPS6385914U JP S6385914 U JPS6385914 U JP S6385914U JP 18071986 U JP18071986 U JP 18071986U JP 18071986 U JP18071986 U JP 18071986U JP S6385914 U JPS6385914 U JP S6385914U
- Authority
- JP
- Japan
- Prior art keywords
- spiral
- square
- becomes smaller
- utility
- rectangular
- 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
- 239000004020 conductor Substances 0.000 claims description 4
- 239000000758 substrate Substances 0.000 claims description 2
- 238000001259 photo etching Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Variable-Direction Aerials And Aerial Arrays (AREA)
Description
第１図はこの考案の一実施例によるスパイラル
アンテナを示す正面図、第２図はその側面図、第
３図は一辺の長さａ及びその辺によつて構成され
る正方形の中心の説明図、第４図は従来のスパイ
ラルアンテナを示す正面図、第５図はその側面図
である。図において１は誘電体基板、２は導体線
路、４はコネクタである。なお、各図中、同一符
号は同一または相当部分を示す。
Fig. 1 is a front view showing a spiral antenna according to an embodiment of the invention, Fig. 2 is a side view thereof, and Fig. 3 is an explanatory diagram of the length a of one side and the center of a square formed by that side. , FIG. 4 is a front view showing a conventional spiral antenna, and FIG. 5 is a side view thereof. In the figure, 1 is a dielectric substrate, 2 is a conductor line, and 4 is a connector. In each figure, the same reference numerals indicate the same or corresponding parts.
Claims (1)
巻状導体線路をフオトエツチング等により形成し
て構成したスパイラルアンテナにおいて、方形う
ず巻状導体の一辺の長さをａとしたときにａが小
さくなるに従つて、方形うず巻の中心がスパイラ
ルアンテナ外形中心から偏心するように導体線路
を形成したことを特徴とするスパイラルアンテナ
。 (2) 上記のスパイラルアンテナを同一平面上に
２個配列し、両者の方形うず巻の中心間隔が、方
形うず巻の一辺の長さａが小さくなるとともに小
さくなるように構成したことを特徴とする実用新
案登録請求の範囲第(1)項記載のスパイラルアン
テナ。 (3) 上記のスパイラルアンテナを同一平面上に
リング状に複数配列し、各方形うず巻の中心間隔
が方形うず巻の一辺ａが小さくなるとともに小さ
くなるように構成したことを特徴とする実用新案
登録請求の範囲第(1)項記載のスパイラルアンテ
ナ。[Claims for Utility Model Registration] (1) In a spiral antenna constructed by forming a plurality of rectangular spiral conductor lines of arbitrary width on a dielectric substrate by photo etching, etc., one side of the rectangular spiral conductor A spiral antenna characterized in that a conductor line is formed such that the center of the rectangular spiral becomes eccentric from the center of the outer shape of the spiral antenna as the length a becomes smaller. (2) Two of the above spiral antennas are arranged on the same plane, and the distance between the centers of the square spirals of both is configured to become smaller as the length a of one side of the square spiral becomes smaller. A spiral antenna according to claim (1) of the utility model registration claim. (3) A utility model characterized in that a plurality of the above spiral antennas are arranged in a ring shape on the same plane, and the distance between the centers of each square spiral becomes smaller as side a of the square spiral becomes smaller. A spiral antenna according to registered claim (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18071986U JPS6385914U (en) | 1986-11-25 | 1986-11-25 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18071986U JPS6385914U (en) | 1986-11-25 | 1986-11-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6385914U true JPS6385914U (en) | 1988-06-04 |
Family
ID=31124930
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18071986U Pending JPS6385914U (en) | 1986-11-25 | 1986-11-25 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6385914U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2016045073A (en) * | 2014-08-22 | 2016-04-04 | 三菱電機株式会社 | Bearing detection device and bearing detection method |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS52102655A (en) * | 1976-02-23 | 1977-08-29 | Motorola Inc | Asymmetrical spiral element antenna |
-
1986
- 1986-11-25 JP JP18071986U patent/JPS6385914U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS52102655A (en) * | 1976-02-23 | 1977-08-29 | Motorola Inc | Asymmetrical spiral element antenna |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2016045073A (en) * | 2014-08-22 | 2016-04-04 | 三菱電機株式会社 | Bearing detection device and bearing detection method |
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