JPS6416748U - - Google Patents
Info
- Publication number
- JPS6416748U JPS6416748U JP11130687U JP11130687U JPS6416748U JP S6416748 U JPS6416748 U JP S6416748U JP 11130687 U JP11130687 U JP 11130687U JP 11130687 U JP11130687 U JP 11130687U JP S6416748 U JPS6416748 U JP S6416748U
- Authority
- JP
- Japan
- Prior art keywords
- loop coil
- twisting point
- twisting
- signal current
- approximately equal
- 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
- 238000010586 diagram Methods 0.000 description 4
- 230000005672 electromagnetic field Effects 0.000 description 3
- 239000002131 composite material Substances 0.000 description 1
- 230000010363 phase shift Effects 0.000 description 1
Description
図は本考案の実施例を示し、第１図は各ループ
コイルの平面図および電磁界強度分布を示す図、
第２図は各ループコイルの平面図および合成電磁
界強度分布を示す図、第３図は第２図における各
部位の電磁界ベクトルを示す図、第４図は信号電
流の供給状況を示す回路図である。
１，３……ループコイル、２，４，５……撚架
点、１１…送信器、１２……移相回路。
The figure shows an embodiment of the present invention, and FIG. 1 is a plan view of each loop coil and a diagram showing the electromagnetic field strength distribution.
Figure 2 is a diagram showing the top view of each loop coil and the composite electromagnetic field strength distribution, Figure 3 is a diagram showing the electromagnetic field vector of each part in Figure 2, and Figure 4 is a circuit showing the signal current supply status. It is a diagram. 1, 3... Loop coil, 2, 4, 5... Twisting point, 11... Transmitter, 12... Phase shift circuit.
Claims (1)
該撚架点により区分される各展張面積をほゞ等し
くした第１のループコイルと、該第１のループコ
イルと重複して展張され前記第１のループコイル
の撚架点と異なる部位に撚架点を有しかつ該撚架
点により区分された各展張面積をほゞ等しくする
と共に前記第１のループコイルへ供給される信号
電流と９０°の位相差を有する信号電流が供給さ
れる第２のループコイルとを設けたことを特徴と
する撚架ループアンテナ。 a first loop coil that is stretched in a certain direction, has a twisting point, and has approximately equal stretched areas divided by the twisting point; It has a twisting point at a different part from the twisting point of the loop coil, and the expanded areas divided by the twisting points are made approximately equal, and the signal current supplied to the first loop coil is 90°. A twisted loop antenna characterized in that it is provided with a second loop coil to which a signal current having a phase difference of .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11130687U JPS6416748U (en) | 1987-07-22 | 1987-07-22 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11130687U JPS6416748U (en) | 1987-07-22 | 1987-07-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6416748U true JPS6416748U (en) | 1989-01-27 |
Family
ID=31349234
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11130687U Pending JPS6416748U (en) | 1987-07-22 | 1987-07-22 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6416748U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012143061A (en) * | 2010-12-28 | 2012-07-26 | Central Japan Railway Co | Double loop structure |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS52137915A (en) * | 1976-05-14 | 1977-11-17 | Sumitomo Electric Ind Ltd | Data transmission system |
| JPS58151131A (en) * | 1982-03-04 | 1983-09-08 | Hitachi Cable Ltd | Inductive radio transmission system |
-
1987
- 1987-07-22 JP JP11130687U patent/JPS6416748U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS52137915A (en) * | 1976-05-14 | 1977-11-17 | Sumitomo Electric Ind Ltd | Data transmission system |
| JPS58151131A (en) * | 1982-03-04 | 1983-09-08 | Hitachi Cable Ltd | Inductive radio transmission system |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012143061A (en) * | 2010-12-28 | 2012-07-26 | Central Japan Railway Co | Double loop structure |