JPH0485794U - - Google Patents
Info
- Publication number
- JPH0485794U JPH0485794U JP12727190U JP12727190U JPH0485794U JP H0485794 U JPH0485794 U JP H0485794U JP 12727190 U JP12727190 U JP 12727190U JP 12727190 U JP12727190 U JP 12727190U JP H0485794 U JPH0485794 U JP H0485794U
- Authority
- JP
- Japan
- Prior art keywords
- radio wave
- field component
- magnetic
- magnetic bodies
- incoming 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.)
- Granted
Links
- 239000000696 magnetic material Substances 0.000 claims description 2
- 238000010521 absorption reaction Methods 0.000 claims 6
- 230000005684 electric field Effects 0.000 claims 5
- 239000002131 composite material Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000004570 mortar (masonry) Substances 0.000 description 1
- 229910000859 α-Fe Inorganic materials 0.000 description 1
Landscapes
- Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
- Aerials With Secondary Devices (AREA)
Description
第１図ａ，ｂは、本考案に係る実施例の磁性体
の配列を示す平面図であり、第２図は、従来例の
磁性体の配列の様子を示す平面図ａと２つの従来
例の断面図ｂ，ｃであり、第３図は、本考案に係
る実施例と従来例との反射減衰特性のグラフであ
り、第４図及び第５図は、本考案と従来例のイン
ピーダンス及び合成インピーダンスの周波数特性
のグラフである。
１，２３……磁性体（フエライト板）、２１…
…金属板、２２…モルタル、２４……外装材、２
５……無機質成形板、２６……空気層、２７……
ガラス。
FIGS. 1a and 1b are plan views showing the arrangement of magnetic bodies in an embodiment according to the present invention, and FIG. 2 is a plan view showing the arrangement of magnetic bodies in a conventional example and two conventional examples. FIG. 3 is a graph of the reflection attenuation characteristics of the embodiment according to the present invention and the conventional example, and FIGS. 4 and 5 are graphs of the impedance and impedance of the present invention and the conventional example. It is a graph of frequency characteristics of composite impedance. 1, 23...Magnetic material (ferrite plate), 21...
...Metal plate, 22...Mortar, 24...Exterior material, 2
5... Inorganic molded plate, 26... Air layer, 27...
glass.
Claims (1)
おいて、前記磁性体は、到来電波の電界成分方向
に対しては不連続に配置され、磁界成分方向に対
してはほぼ連続して配置され、かつ到来電波の電
界成分方向には、電磁気特性の異なる２種類又は
３種類の磁性体が配列されていることを特徴とす
る電波吸収壁。 (2) 複数個の磁性体を取り付けた電波吸収壁に
おいて、前記磁性体は、到来電波の電界成分方向
に対しては不連続に配置され、磁界成分方向に対
してはほぼ連続して配置され、かつ到来電波の磁
界成分方向には、電磁気特性の異なる２種類又は
３種類の磁性体が配列されていることを特徴とす
る電波吸収壁。 (3) 複数個の磁性体を取り付けた電波吸収壁に
おいて、前記磁性体は、到来電波の電界成分方向
に対しては不連続に配置され、磁界成分方向に対
してははぼ連続して配置され、かつ到来電波の磁
界成分方向には、同一磁気特性を有するが厚さの
異なる２種類又は３種類の磁性体が配置されてい
ることを特徴とする電波吸収壁。 (4) 複数個の磁性体を取り付けた電波吸収壁に
おいて、前記磁性体は、到来電波の電界成分方向
に対しては不連続に配置され、磁界成分方向に対
してははぼ連続して配置され、かつ到来電波の磁
界成分方向には、同一磁気特性を有するが厚さの
異なる２種類又は３種類の磁性体が配置されてい
ることを特徴とする電波吸収壁。[Claims for Utility Model Registration] (1) In a radio wave absorption wall to which a plurality of magnetic bodies are attached, the magnetic bodies are arranged discontinuously with respect to the direction of the electric field component of the incoming radio wave, and A radio wave absorption wall characterized in that two or three types of magnetic materials having different electromagnetic characteristics are arranged substantially continuously in the direction of the electric field component of an incoming radio wave. (2) In a radio wave absorption wall to which a plurality of magnetic bodies are attached, the magnetic bodies are arranged discontinuously in the direction of the electric field component of the incoming radio wave, and arranged almost continuously in the direction of the magnetic field component. , and two or three types of magnetic bodies having different electromagnetic characteristics are arranged in the direction of the magnetic field component of the incoming radio wave. (3) In a radio wave absorbing wall to which a plurality of magnetic bodies are attached, the magnetic bodies are arranged discontinuously in the direction of the electric field component of the incoming radio wave, and are arranged almost continuously in the direction of the magnetic field component. A radio wave absorption wall characterized in that two or three types of magnetic bodies having the same magnetic properties but different thicknesses are arranged in the direction of the magnetic field component of an incoming radio wave. (4) In a radio wave absorption wall to which a plurality of magnetic bodies are attached, the magnetic bodies are arranged discontinuously in the direction of the electric field component of the incoming radio wave, and are arranged almost continuously in the direction of the magnetic field component. A radio wave absorption wall characterized in that two or three types of magnetic bodies having the same magnetic properties but different thicknesses are arranged in the direction of the magnetic field component of an incoming radio wave.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990127271U JPH0638476Y2 (en) | 1990-11-29 | 1990-11-29 | Radio wave absorption wall |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990127271U JPH0638476Y2 (en) | 1990-11-29 | 1990-11-29 | Radio wave absorption wall |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0485794U true JPH0485794U (en) | 1992-07-24 |
| JPH0638476Y2 JPH0638476Y2 (en) | 1994-10-05 |
Family
ID=31874777
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1990127271U Expired - Lifetime JPH0638476Y2 (en) | 1990-11-29 | 1990-11-29 | Radio wave absorption wall |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0638476Y2 (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5635320A (en) * | 1979-08-22 | 1981-04-08 | Atari Inc | Steering column control device |
| JPH01257398A (en) * | 1988-03-07 | 1989-10-13 | Fujita Corp | Manufacturing method of radio wave absorption panel |
-
1990
- 1990-11-29 JP JP1990127271U patent/JPH0638476Y2/en not_active Expired - Lifetime
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5635320A (en) * | 1979-08-22 | 1981-04-08 | Atari Inc | Steering column control device |
| JPH01257398A (en) * | 1988-03-07 | 1989-10-13 | Fujita Corp | Manufacturing method of radio wave absorption panel |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0638476Y2 (en) | 1994-10-05 |
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