JPH036307U - - Google Patents
Info
- Publication number
- JPH036307U JPH036307U JP2692190U JP2692190U JPH036307U JP H036307 U JPH036307 U JP H036307U JP 2692190 U JP2692190 U JP 2692190U JP 2692190 U JP2692190 U JP 2692190U JP H036307 U JPH036307 U JP H036307U
- Authority
- JP
- Japan
- Prior art keywords
- radio wave
- short
- plate
- wave absorber
- resistor short
- 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
- 239000006096 absorbing agent Substances 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
Landscapes
- Aerials With Secondary Devices (AREA)
- Details Of Aerials (AREA)
Description
図面は実施例を示し、第１図はアンテナ体の形
状を示す平面図、第２図は遮蔽覆を施した状態の
要部切り欠き斜視図である。
１……広帯域アンテナ、２……椀状遮蔽覆、３
……アンテナ開口部、４……電波吸収体、５……
給電線、６，７，８，６′，７′，８′……抵抗
体、９，１０，９′，１０′……導体板、１１，
１１′……抵抗短絡体、１２，１３……穴、ｘ，
ｙ，ｚ……座標軸。
The drawings show an embodiment, and FIG. 1 is a plan view showing the shape of the antenna body, and FIG. 2 is a cutaway perspective view of the main part with a shielding cover applied. 1... Broadband antenna, 2... Bowl-shaped shielding cover, 3
...Antenna opening, 4...Radio wave absorber, 5...
Power supply line, 6, 7, 8, 6', 7', 8'...Resistor, 9, 10, 9', 10'...Conductor plate, 11,
11'...Resistance short circuit, 12, 13...Hole, x,
y, z...coordinate axes.
Claims (1)
抗短絡体を接続してアンテナ体を形成するととも
に、前記板状の正面側を電波の放射面とし、背面
側と周囲とに電波吸収体による遮蔽覆を施した超
近距離レーダ用アンテナであつて、前記抵抗短絡
体からの不要輻射を除去するために前記抵抗短絡
体の大半部分を前記電波吸収体に沿わせて配置し
た構造を有することを特徴とするアンテナ装置。 ２ 実用新案登録請求範囲第１項記載のアンテナ
装置であつて、前記抵抗短絡体を複数の抵抗体と
複数の導体板を直列接続したものとし、前記導体
板を前記周囲の電波吸収体に沿わせて配置した構
造を有するもの。 ３ 実用新案登録請求範囲第１項記載のアンテナ
装置であつて、前記抵抗短絡体を複数の抵抗体と
複数の導体板を直列接続したものとし、前記導体
板を前記周囲の電波吸収体の外側部分に沿わせて
配置した構造を有するもの。[Claims for Utility Model Registration] 1. An antenna body is formed by connecting a linear resistance short-circuiting body between both ends of a plate-shaped fan-shaped dipole, and the front side of the plate-shaped plate is used as a radio wave radiation surface, and the back side This is an ultra-short-range radar antenna in which a shielding covering is provided between the resistor short-circuit body and its surroundings by a radio wave absorber, and in order to remove unnecessary radiation from the resistor short-circuit body, most of the resistor short-circuit body is placed along the radio wave absorber. An antenna device characterized by having a structure in which they are arranged together. 2. The antenna device according to claim 1 of the utility model registration, wherein the resistor short-circuiting body is formed by connecting a plurality of resistors and a plurality of conductor plates in series, and the conductor plate is connected along the surrounding radio wave absorber. Those with a structure arranged together. 3. The antenna device according to claim 1 of the utility model registration, wherein the resistor short-circuiting body is formed by connecting a plurality of resistors and a plurality of conductor plates in series, and the conductor plate is connected to the outside of the surrounding radio wave absorber. Something that has a structure arranged along a section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990026921U JPH0411375Y2 (en) | 1990-03-16 | 1990-03-16 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990026921U JPH0411375Y2 (en) | 1990-03-16 | 1990-03-16 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH036307U true JPH036307U (en) | 1991-01-22 |
| JPH0411375Y2 JPH0411375Y2 (en) | 1992-03-23 |
Family
ID=31529796
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1990026921U Expired JPH0411375Y2 (en) | 1990-03-16 | 1990-03-16 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0411375Y2 (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57176710U (en) * | 1981-04-30 | 1982-11-09 |
-
1990
- 1990-03-16 JP JP1990026921U patent/JPH0411375Y2/ja not_active Expired
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57176710U (en) * | 1981-04-30 | 1982-11-09 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0411375Y2 (en) | 1992-03-23 |