JPS62133172U - - Google Patents
Info
- Publication number
- JPS62133172U JPS62133172U JP1757686U JP1757686U JPS62133172U JP S62133172 U JPS62133172 U JP S62133172U JP 1757686 U JP1757686 U JP 1757686U JP 1757686 U JP1757686 U JP 1757686U JP S62133172 U JPS62133172 U JP S62133172U
- Authority
- JP
- Japan
- Prior art keywords
- output
- radio waves
- circuit
- displays
- local oscillation
- 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
- 230000010355 oscillation Effects 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Variable-Direction Aerials And Aerial Arrays (AREA)
- Radar Systems Or Details Thereof (AREA)
Description
第１図は本考案実施例の構成を示した図、第２
図は第１図における表示器の正面図、第３図は第
２図の表示器の他の例の正面図、第４図は本考案
の装置の作用を説明する電信波形図である。なお
図において、１，２はループアンテナ、３は垂直
アンテナ、６は低周波発振器、１０は増幅器、１
１，１４は検波器、１２は増幅器、１３は受話器
、１５は狭帯域瀘波器である。
Figure 1 is a diagram showing the configuration of an embodiment of the present invention, Figure 2 is a diagram showing the configuration of an embodiment of the present invention.
The figures are a front view of the display device in FIG. 1, FIG. 3 is a front view of another example of the display device in FIG. 2, and FIG. 4 is a telegraph waveform diagram illustrating the operation of the device of the present invention. In the figure, 1 and 2 are loop antennas, 3 is a vertical antenna, 6 is a low frequency oscillator, 10 is an amplifier, 1
1 and 14 are detectors, 12 is an amplifier, 13 is a receiver, and 15 is a narrowband filter.
Claims (1)
が９０度異なる２つの低周波信号でそれぞれ変調
して合成したのち局部発振出力を加えて増幅する
回路と、上記増幅回路の出力を検波して得られる
受信電波と局部発振波とのビート出力を加えられ
る受話器と、前記増幅回路の出力を検波して得ら
れる前記低周波信号の位相角に相当する少なくと
も２つの入射電波の方向を表示する表示器と、上
記２つの入射電波のそれぞれが入射している瞬間
毎にこれを表示する電波識別器とよりなる方向探
知機の電波識別装置。 A circuit that modulates and synthesizes the outputs of antennas whose directivity is orthogonal to each other with two low-frequency signals with phase angles different by 90 degrees, and then adds local oscillation output to amplify the output, and a circuit that detects the output of the above amplifier circuit. A receiver that can add the beat output of the obtained received radio waves and local oscillation waves, and a display that displays the directions of at least two incident radio waves corresponding to the phase angle of the low frequency signal obtained by detecting the output of the amplifier circuit. and a radio wave discriminator that displays each of the two incident radio waves at each moment of incidence.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1757686U JPS62133172U (en) | 1986-02-12 | 1986-02-12 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1757686U JPS62133172U (en) | 1986-02-12 | 1986-02-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62133172U true JPS62133172U (en) | 1987-08-22 |
Family
ID=30810457
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1757686U Pending JPS62133172U (en) | 1986-02-12 | 1986-02-12 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62133172U (en) |
-
1986
- 1986-02-12 JP JP1757686U patent/JPS62133172U/ja active Pending
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