JPH0186703U - - Google Patents
Info
- Publication number
- JPH0186703U JPH0186703U JP18321587U JP18321587U JPH0186703U JP H0186703 U JPH0186703 U JP H0186703U JP 18321587 U JP18321587 U JP 18321587U JP 18321587 U JP18321587 U JP 18321587U JP H0186703 U JPH0186703 U JP H0186703U
- Authority
- JP
- Japan
- Prior art keywords
- disaster prevention
- radiating element
- radio reception
- reception antenna
- prevention radio
- 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
- 230000002265 prevention Effects 0.000 claims description 4
- 239000004020 conductor Substances 0.000 claims 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
Landscapes
- Details Of Aerials (AREA)
- Support Of Aerials (AREA)
Description
第１図ａ，ｂは各々本考案による屋内用防災無
線受信アンテナの一実施例を示す正面図、第２図
は同実施例の周波数特性を示すグラフ、第３図は
従来から用いられている八木アンテナの一例を説
明するための図、第４図は従来から用いられてい
るダイポールアンテナの一例を示す側面図、第５
図は従来から用いられているダイポールアンテナ
の他の一例を示す分解斜視図、第６図は従来から
用いられているロツドアンテナの一例を示す斜視
図である。
２５……屋内用防災無線受信アンテナ、２６…
…放射エレメント（絶縁被覆付エレメント）、２
７……給電部、２８……フツク（フツク部）。
Figures 1a and b are front views showing an embodiment of an indoor disaster prevention wireless receiving antenna according to the present invention, Figure 2 is a graph showing the frequency characteristics of the same embodiment, and Figure 3 is a conventional antenna. Figure 4 is a side view showing an example of a conventionally used dipole antenna; Figure 5 is a diagram for explaining an example of a Yagi antenna;
This figure is an exploded perspective view showing another example of a conventionally used dipole antenna, and FIG. 6 is a perspective view showing an example of a conventionally used rod antenna. 25... Indoor disaster prevention radio reception antenna, 26...
...radiating element (element with insulation coating), 2
7...Power supply unit, 28...Hook (hook part).
Claims (1)
において、λ／２の放射エレメントを可撓性導体
によつて構成するとともに、前記放射エレメント
の先端及び給電部にフツクを形成したことを特徴
とする屋内用防災無線受信アンテナ。 An indoor disaster prevention radio reception antenna installed indoors, characterized in that a λ/2 radiating element is made of a flexible conductor, and a hook is formed at the tip of the radiating element and at the power feeding part. Disaster prevention radio reception antenna.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18321587U JPH0186703U (en) | 1987-12-01 | 1987-12-01 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18321587U JPH0186703U (en) | 1987-12-01 | 1987-12-01 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0186703U true JPH0186703U (en) | 1989-06-08 |
Family
ID=31474646
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18321587U Pending JPH0186703U (en) | 1987-12-01 | 1987-12-01 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0186703U (en) |
-
1987
- 1987-12-01 JP JP18321587U patent/JPH0186703U/ja active Pending
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