JPS6381256U - - Google Patents
Info
- Publication number
- JPS6381256U JPS6381256U JP17600986U JP17600986U JPS6381256U JP S6381256 U JPS6381256 U JP S6381256U JP 17600986 U JP17600986 U JP 17600986U JP 17600986 U JP17600986 U JP 17600986U JP S6381256 U JPS6381256 U JP S6381256U
- Authority
- JP
- Japan
- Prior art keywords
- measured
- measuring device
- irradiation
- spatial filter
- speed measuring
- 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
- 238000001514 detection method Methods 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 4
Landscapes
- Traffic Control Systems (AREA)
- Optical Radar Systems And Details Thereof (AREA)
Description
第１図はこの考案の一実施例の速度計測装置の
全体構成図、第２図は第１図の速度計測装置が取
付けられた車両の側面図、第３図は第１図の受光
手段およびＯＮ，ＯＦＦ判断回路の回路図、第４
図は差動構成の第１図とは異なる空間フイルタを
示す説明図、第５図は第４図の片側レテイクルの
出力波形を示す説明図である。
１……速度計測装置、５……路面（被測定物）
、９……空間フイルタ、１１……受光手段（検出
手段）、１３……ランプ（照射手段）、１７……
ＯＮ，ＯＦＦ判断回路（制御手段）。
Fig. 1 is an overall configuration diagram of a speed measuring device according to an embodiment of this invention, Fig. 2 is a side view of a vehicle to which the speed measuring device of Fig. 1 is installed, and Fig. 3 shows the light receiving means and Circuit diagram of ON/OFF judgment circuit, 4th
This figure is an explanatory diagram showing a spatial filter different from that in FIG. 1 having a differential configuration, and FIG. 5 is an explanatory diagram showing an output waveform of the one-sided reticle in FIG. 4. 1... Speed measuring device, 5... Road surface (object to be measured)
, 9... Spatial filter, 11... Light receiving means (detection means), 13... Lamp (irradiation means), 17...
ON/OFF judgment circuit (control means).
Claims (1)
え、この空間フイルタの出力信号により被測定物
の移動速度を計測する速度計測装置において、前
記被測定物に光を照射する照射手段を設け、被測
定物からの反射光のレベルを検出する検出手段を
設け、この検出手段の出力信号を受けて前記照射
手段の被測定物への照射を制御する制御手段を設
けたことを特徴とする速度計測装置。 In a speed measuring device that includes a spatial filter that receives reflected light from an object to be measured and measures the moving speed of the object based on an output signal of the spatial filter, an irradiation means that irradiates the object to be measured with light is provided. A speed measuring device comprising a detection means for detecting the level of reflected light from an object, and a control means for receiving an output signal from the detection means and controlling irradiation of the irradiation means to the object to be measured. .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17600986U JPS6381256U (en) | 1986-11-18 | 1986-11-18 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17600986U JPS6381256U (en) | 1986-11-18 | 1986-11-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6381256U true JPS6381256U (en) | 1988-05-28 |
Family
ID=31115858
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17600986U Pending JPS6381256U (en) | 1986-11-18 | 1986-11-18 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6381256U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03269261A (en) * | 1990-03-19 | 1991-11-29 | Yuseisho Tsushin Sogo Kenkyusho | Highly accurate measuring method for movement of body by use of spatial frequency |
-
1986
- 1986-11-18 JP JP17600986U patent/JPS6381256U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03269261A (en) * | 1990-03-19 | 1991-11-29 | Yuseisho Tsushin Sogo Kenkyusho | Highly accurate measuring method for movement of body by use of spatial frequency |
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