JPH03101020U - - Google Patents
Info
- Publication number
- JPH03101020U JPH03101020U JP1041090U JP1041090U JPH03101020U JP H03101020 U JPH03101020 U JP H03101020U JP 1041090 U JP1041090 U JP 1041090U JP 1041090 U JP1041090 U JP 1041090U JP H03101020 U JPH03101020 U JP H03101020U
- Authority
- JP
- Japan
- Prior art keywords
- light guide
- guide member
- helical antenna
- end surface
- outer periphery
- 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
- 239000013307 optical fiber Substances 0.000 claims description 2
- 239000012780 transparent material Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Details Of Aerials (AREA)
Description
第１図は、本考案のヘリカルアンテナの一実施
例の縦断面図であり、第２図は、本考案のヘリカ
ルアンテナの他の実施例の縦断面図であり、第３
図は、第２図に示すヘリカルアンテナの等価回路
図であり、第４図は、本考案のヘリカルアンテナ
の別の他の実施例の縦断面図である。
１，１０，２０……光フアイバ、１ａ，１０ａ
，２０ａ……他端部、１ｂ，１０ｂ，２０ｂ……
一端部、２……誘電体部材、３，１３，２３……
コイルエレメント、８，１９，２７……白熱灯。
FIG. 1 is a vertical cross-sectional view of one embodiment of the helical antenna of the present invention, FIG. 2 is a vertical cross-sectional view of another embodiment of the helical antenna of the present invention, and FIG.
This figure is an equivalent circuit diagram of the helical antenna shown in FIG. 2, and FIG. 4 is a longitudinal sectional view of another embodiment of the helical antenna of the present invention. 1, 10, 20...optical fiber, 1a, 10a
, 20a...other end, 1b, 10b, 20b...
One end, 2... dielectric member, 3, 13, 23...
Coil element, 8, 19, 27...incandescent lamp.
Claims (1)
部材を、コイルエレメントにヘリクス軸上で貫通
させて配設し、前記コイルエレメントの基端部側
から突出する前記導光部材の一端面に臨んで光源
を配置し、前記導光部材の他端面の形状を前記ヘ
リクス軸に対して斜めとなるように構成したこと
を特徴とするヘリカルアンテナ。 ２ 前記導光部材の外周に、可撓性を有する筒状
の誘電体部材を挿嵌し、この誘電体部材の外周側
に前記コイルエレメントを配設したことを特徴と
する請求項１記載のヘリカルアンテナ。 ３ 前記導光部材が光フアイバであることを特徴
とする請求項１または２記載のヘリカルアンテナ
。[Claims for Utility Model Registration] 1. A rod-shaped light guiding member made of a flexible and transparent material is provided so as to pass through the coil element on the helix axis, and A helical antenna, characterized in that a light source is disposed facing one end surface of the protruding light guide member, and the other end surface of the light guide member is configured to have a shape oblique to the helix axis. 2. The light guide member according to claim 1, wherein a flexible cylindrical dielectric member is inserted into the outer periphery of the light guide member, and the coil element is disposed on the outer periphery of the dielectric member. helical antenna. 3. The helical antenna according to claim 1 or 2, wherein the light guiding member is an optical fiber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1041090U JPH03101020U (en) | 1990-02-05 | 1990-02-05 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1041090U JPH03101020U (en) | 1990-02-05 | 1990-02-05 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH03101020U true JPH03101020U (en) | 1991-10-22 |
Family
ID=31513981
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1041090U Pending JPH03101020U (en) | 1990-02-05 | 1990-02-05 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH03101020U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1998033232A1 (en) * | 1997-01-28 | 1998-07-30 | Yokowo Co., Ltd. | Antenna for mounting on vehicle, antenna element, and manufacturing method therefor |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3090150B2 (en) * | 1990-12-18 | 2000-09-18 | 富士写真フイルム株式会社 | Active distance measurement method |
-
1990
- 1990-02-05 JP JP1041090U patent/JPH03101020U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3090150B2 (en) * | 1990-12-18 | 2000-09-18 | 富士写真フイルム株式会社 | Active distance measurement method |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1998033232A1 (en) * | 1997-01-28 | 1998-07-30 | Yokowo Co., Ltd. | Antenna for mounting on vehicle, antenna element, and manufacturing method therefor |