JPS6049477U - Vehicle running speed measuring device - Google Patents
Vehicle running speed measuring deviceInfo
- Publication number
- JPS6049477U JPS6049477U JP14244683U JP14244683U JPS6049477U JP S6049477 U JPS6049477 U JP S6049477U JP 14244683 U JP14244683 U JP 14244683U JP 14244683 U JP14244683 U JP 14244683U JP S6049477 U JPS6049477 U JP S6049477U
- Authority
- JP
- Japan
- Prior art keywords
- measuring device
- vehicle running
- running speed
- speed measuring
- wave
- 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
Landscapes
- Radar Systems Or Details Thereof (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
第１図は測定状況の１例を示す図、第２図は従来の車両
走行速度測定装置の構成を示す図、第３図は信号の１例
を示す図、第４図はこの考案の１例を示す構成図であり
、１は車両走行速度測定装置、２は走行車両、３はパル
ス回路、４はスイッチ回路、５は発振器、６はサーキュ
レータ、７はアンテナ、８はミクサ、９はローパスフィ
ルタ、１０は周波数カウンタ、１１は演算回路、１２−
１〜ｎはパルス巾の異なるパルス回路、３は切り換えス
イッチである。なお、図中同一または相当部分には同一
符号を付しである。Figure 1 shows an example of a measurement situation, Figure 2 shows the configuration of a conventional vehicle running speed measuring device, Figure 3 shows an example of a signal, and Figure 4 shows one example of this invention. It is a configuration diagram showing an example, in which 1 is a vehicle running speed measuring device, 2 is a running vehicle, 3 is a pulse circuit, 4 is a switch circuit, 5 is an oscillator, 6 is a circulator, 7 is an antenna, 8 is a mixer, and 9 is a low pass filter, 10 is a frequency counter, 11 is an arithmetic circuit, 12-
1 to n are pulse circuits having different pulse widths, and 3 is a changeover switch. In addition, the same reference numerals are attached to the same or corresponding parts in the figures.
Claims (1)
車両からの反射波を受信して、この受信した反射波から
ドツプラ効果により、上記走行車両の走行速度を測定す
る車両走行測定装置において、上記送信波のパルス変調
におけるパルス巾を設定する複数個の回路と、この回路
の内の任意の１回路を選択できる切り換え手段とを具備
したことを特徴とする車両走行速度測定装置。A vehicle running measuring device that transmits a transmitted wave by pulse modulating it, receives a reflected wave from the traveling vehicle due to the transmitted wave, and measures the traveling speed of the traveling vehicle from the received reflected wave by the Doppler effect, A vehicle running speed measuring device comprising: a plurality of circuits for setting a pulse width in pulse modulation of the transmission wave; and a switching means for selecting any one of the circuits.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14244683U JPS6049477U (en) | 1983-09-14 | 1983-09-14 | Vehicle running speed measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14244683U JPS6049477U (en) | 1983-09-14 | 1983-09-14 | Vehicle running speed measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6049477U true JPS6049477U (en) | 1985-04-06 |
Family
ID=30318284
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14244683U Pending JPS6049477U (en) | 1983-09-14 | 1983-09-14 | Vehicle running speed measuring device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6049477U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0431782A (en) * | 1990-05-28 | 1992-02-03 | Mitsubishi Electric Corp | Microwave circuit device |
-
1983
- 1983-09-14 JP JP14244683U patent/JPS6049477U/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0431782A (en) * | 1990-05-28 | 1992-02-03 | Mitsubishi Electric Corp | Microwave circuit device |
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