JPS5827786U - direction finder - Google Patents
direction finderInfo
- Publication number
- JPS5827786U JPS5827786U JP12144081U JP12144081U JPS5827786U JP S5827786 U JPS5827786 U JP S5827786U JP 12144081 U JP12144081 U JP 12144081U JP 12144081 U JP12144081 U JP 12144081U JP S5827786 U JPS5827786 U JP S5827786U
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- radio waves
- received radio
- antenna
- switch circuit
- 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
Landscapes
- Variable-Direction Aerials And Aerial Arrays (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
図面は本考案実施例の構成を示した図である。
なお図において、Ａｎ、Ａｗはループアンテナ、Ａｓは
センスアンテナ、Ｂ３は９０度移相器、Ｍｎ。
Ｍｗは平衡変調器、Ｓｎ、−３ｗ、 Ｓ ｌ 、 Ｓ２
はスイッチ回路、０１は発振器、Ｂｌ、Ｂ２は合成回路
、Ａｒは増幅器、Ｋｌ、に２は検波器、Ｓｐはスピーカ
、Ｒは整流器、Ｄは単安定マルチバイブレータ、Ｔはタ
イマ、Ｃは位相比較器、Ｈは方位表示器、Ｐａは可変移
相器、Ｑは信号検出器である。The drawings are diagrams showing the configuration of an embodiment of the present invention. In the figure, An and Aw are loop antennas, As is a sense antenna, B3 is a 90 degree phase shifter, and Mn. Mw is a balanced modulator, Sn, -3w, S l , S2
is a switch circuit, 01 is an oscillator, Bl and B2 are combination circuits, Ar is an amplifier, Kl and 2 are detectors, Sp is a speaker, R is a rectifier, D is a monostable multivibrator, T is a timer, and C is a phase comparison , H is an azimuth indicator, Pa is a variable phase shifter, and Q is a signal detector.
Claims (1)
えられて実質的に受信電波に対する指向性を回転するこ
とにより方位を測定する回路と、前記受信電波に含まれ
る信号を復調する回路とを具備し、かつ前記受信電波に
対するアンテナの指向性を実質的に回転させる信号を断
続して該信号をアンテナ回路に間歇的に加えるためのス
イッチ回路および方位の測定を開始したのちその測定が
一旦完了するまでの間は上記スイッチ回路を閉成状態に
保持する回路を設けた方向探知機。A circuit that measures the direction by adding the outputs of a plurality of directional antennas and omnidirectional antennas to substantially rotate the directivity of the received radio waves, and a circuit that demodulates the signals included in the received radio waves. and a switch circuit for intermittently applying a signal that substantially rotates the directivity of the antenna with respect to the received radio waves to the antenna circuit, and a switch circuit for intermittently applying the signal to the antenna circuit, and the measurement is once completed after the measurement of the direction is started. The direction finder is equipped with a circuit that keeps the switch circuit closed until the
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12144081U JPS5827786U (en) | 1981-08-18 | 1981-08-18 | direction finder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12144081U JPS5827786U (en) | 1981-08-18 | 1981-08-18 | direction finder |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5827786U true JPS5827786U (en) | 1983-02-22 |
| JPS6315826Y2 JPS6315826Y2 (en) | 1988-05-06 |
Family
ID=29915375
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12144081U Granted JPS5827786U (en) | 1981-08-18 | 1981-08-18 | direction finder |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5827786U (en) |
-
1981
- 1981-08-18 JP JP12144081U patent/JPS5827786U/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6315826Y2 (en) | 1988-05-06 |
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