JPH0351505U - - Google Patents
Info
- Publication number
- JPH0351505U JPH0351505U JP11182089U JP11182089U JPH0351505U JP H0351505 U JPH0351505 U JP H0351505U JP 11182089 U JP11182089 U JP 11182089U JP 11182089 U JP11182089 U JP 11182089U JP H0351505 U JPH0351505 U JP H0351505U
- Authority
- JP
- Japan
- Prior art keywords
- switch
- antenna
- small
- control section
- peripheral surface
- 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
- 238000001514 detection method Methods 0.000 claims 2
- 230000002093 peripheral effect Effects 0.000 claims 2
- 230000008602 contraction Effects 0.000 claims 1
Landscapes
- Details Of Aerials (AREA)
Description
図面は本考案によるロツドアンテナの構成と受
信機側の構成を示すものであ。
１０……アンテナ本体、１３……小径パイプ、
１４……大径パイプ、１５……スイツチ、１６…
…突条、２０……受信装置、３０……制御部、４
０……表示器、４２……警告表示部。
The drawings show the configuration of the rod antenna according to the present invention and the configuration of the receiver side. 10...Antenna body, 13...Small diameter pipe,
14...Large diameter pipe, 15...Switch, 16...
... Projection, 20 ... Receiving device, 30 ... Control section, 4
0...Display unit, 42...Warning display section.
Claims (1)
在に接続した伸縮自在形のロツドアンテナであつ
て、該アンテナの大径パイプ上端部内周面に固設
された小型スイツチと、小径パイプの下端外周面
に固設され該スイツチを付勢する突条とを備え、
上記小型スイツチに電気的に接続され上記ロツド
アンテナの伸縮状態を検知する制御部と、上記制
御部の検知結果を表示する警告表示手段とを設け
たことを特徴とするアンテナ長さ検知装置。 It is a telescopic rod antenna in which multiple pipes of different diameters are coaxially and slidably connected, and the antenna includes a small switch fixed to the inner peripheral surface of the upper end of the large-diameter pipe, and an outer peripheral surface of the lower end of the small-diameter pipe. a protrusion fixed to the switch and biasing the switch;
An antenna length detection device comprising: a control section electrically connected to the small switch to detect the expansion/contraction state of the rod antenna; and a warning display means for displaying the detection result of the control section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11182089U JPH0351505U (en) | 1989-09-25 | 1989-09-25 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11182089U JPH0351505U (en) | 1989-09-25 | 1989-09-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0351505U true JPH0351505U (en) | 1991-05-20 |
Family
ID=31660284
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11182089U Pending JPH0351505U (en) | 1989-09-25 | 1989-09-25 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0351505U (en) |
-
1989
- 1989-09-25 JP JP11182089U patent/JPH0351505U/ja active Pending