JPS6325391U - - Google Patents
Info
- Publication number
- JPS6325391U JPS6325391U JP11830886U JP11830886U JPS6325391U JP S6325391 U JPS6325391 U JP S6325391U JP 11830886 U JP11830886 U JP 11830886U JP 11830886 U JP11830886 U JP 11830886U JP S6325391 U JPS6325391 U JP S6325391U
- Authority
- JP
- Japan
- Prior art keywords
- switching
- audible
- output
- switching point
- detecting
- 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
- 238000001514 detection method Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 4
Landscapes
- Variable-Direction Aerials And Aerial Arrays (AREA)
- Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
- Circuits Of Receivers In General (AREA)
Description
第１図は本考案の一実施例の回路ブロツク図、
第２図ａは、２つのアンテナの場合の電波到来方
向を示す図、第２図ｂは電波の到来方向に対する
位相差振幅の変化を示す図、第３図は第１図の回
路における各部の信号の１例を示す図である。
１０Ａ，１０Ｂ……アンテナ、１１……切替器
、１２……切替用発振器、１３……選択増幅器、
１４……ＦＭ検波器、１５……低域通過フイルタ
、１６……スピーカ。
FIG. 1 is a circuit block diagram of an embodiment of the present invention.
Figure 2a is a diagram showing the arrival direction of radio waves in the case of two antennas, Figure 2b is a diagram showing changes in phase difference amplitude with respect to the arrival direction of radio waves, and Figure 3 is a diagram showing each part of the circuit in Figure 1. It is a figure which shows an example of a signal. 10A, 10B... antenna, 11... switching device, 12... switching oscillator, 13... selection amplifier,
14...FM detector, 15...Low pass filter, 16...Speaker.
Claims (1)
指向性アンテナ群の受信信号を、交互にもしくは
順次に可聴周波数域の周期で切替えて出力する切
替手段と、前記出力の検波信号中に含まれた前記
切替時点の位相差によつて得られる出力を聴音信
号として得る聴音出力手段と、前記無指向性アン
テナ群の回動によつて得られる前記聴音信号の変
化により電波到来方向を検知する方向検知手段と
を具備することを特徴とする方向探知装置。 a switching means for alternately or sequentially switching and outputting received signals from a plurality of omnidirectional antenna groups spaced apart in parallel at intervals in an audible frequency range, and a detection signal of the output; an audible sound output means for obtaining an audible signal as an output obtained by the phase difference at the switching point included in the switching point; A direction finding device characterized by comprising: a direction detecting means for detecting a direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11830886U JPH0611517Y2 (en) | 1986-08-02 | 1986-08-02 | Simple type direction finding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11830886U JPH0611517Y2 (en) | 1986-08-02 | 1986-08-02 | Simple type direction finding device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6325391U true JPS6325391U (en) | 1988-02-19 |
| JPH0611517Y2 JPH0611517Y2 (en) | 1994-03-23 |
Family
ID=31004642
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11830886U Expired - Lifetime JPH0611517Y2 (en) | 1986-08-02 | 1986-08-02 | Simple type direction finding device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0611517Y2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102013216970A1 (en) * | 2013-08-27 | 2015-03-05 | Robert Bosch Gmbh | Radar sensor for motor vehicles |
-
1986
- 1986-08-02 JP JP11830886U patent/JPH0611517Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0611517Y2 (en) | 1994-03-23 |
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