JPS637360U - - Google Patents
Info
- Publication number
- JPS637360U JPS637360U JP9982386U JP9982386U JPS637360U JP S637360 U JPS637360 U JP S637360U JP 9982386 U JP9982386 U JP 9982386U JP 9982386 U JP9982386 U JP 9982386U JP S637360 U JPS637360 U JP S637360U
- Authority
- JP
- Japan
- Prior art keywords
- light
- receiving element
- light receiving
- amount
- measuring device
- 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 7
Landscapes
- Photometry And Measurement Of Optical Pulse Characteristics (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
Description
第１図乃至第３図はこの考案の第１の実施例に
係わり、第１図は速度計測装置の全体構成図、第
２図は計測回路のブロツク図、第３図は偏光板駆
動回路図、第４図は第２の実施例に用いられる調
光円板の正面図、第５図はこの調光円板が装着さ
れた速度計測装置の全体構成図、第６図乃至第８
図は第３の実施例に係わり、第６図は円筒状調光
フイルムの斜視図、第７図はこの調光フイルムが
装着された速度計測装置の全体構成図、第８図は
第７図の側面図、第９図は第４の実施例の速度計
測装置の全体構成図、第１０図は空間フイルタの
斜視図、第１１図は路面からの入射光量と空間フ
イルタの出力との相関図である。
１……路面（被測定物）、｛５……固定偏光板
、７……可動偏光板、２１……偏光板駆動回路｝
（調光手段）、１１……空間フイルタ（受光素子
）、１７ｂ……レベル検出部（レベル検出手段）
。
Figures 1 to 3 relate to the first embodiment of this invention, with Figure 1 being an overall configuration diagram of the speed measuring device, Figure 2 being a block diagram of the measuring circuit, and Figure 3 being a polarizing plate drive circuit diagram. , FIG. 4 is a front view of the dimming disk used in the second embodiment, FIG. 5 is an overall configuration diagram of the speed measuring device equipped with this dimming disk, and FIGS. 6 to 8
The figures relate to the third embodiment, and FIG. 6 is a perspective view of a cylindrical light control film, FIG. 7 is an overall configuration diagram of a speed measuring device equipped with this light control film, and FIG. 9 is an overall configuration diagram of the speed measuring device of the fourth embodiment, FIG. 10 is a perspective view of the spatial filter, and FIG. 11 is a correlation diagram between the amount of incident light from the road surface and the output of the spatial filter. It is. 1... Road surface (object to be measured), {5... Fixed polarizing plate, 7... Movable polarizing plate, 21... Polarizing plate drive circuit}
(Dimmer means), 11... Spatial filter (light receiving element), 17b... Level detection section (Level detection means)
.
Claims (1)
、被測定物の移動速度を光学的に検出する速度計
測装置において、前記受光素子の受光光量を検出
するレベル検出手段と、検出された受光光量に応
じて受光素子への入射光量を調節する調光手段と
を有することを特徴とする速度計測装置。 A speed measuring device that includes a light receiving element that receives reflected light from an object to be measured and optically detects the moving speed of the object to be measured, comprising: a level detection means for detecting the amount of light received by the light receiving element; and a level detecting means for detecting the amount of light received by the light receiving element; A speed measuring device comprising: a light control means for adjusting the amount of light incident on the light receiving element according to the amount of light incident on the light receiving element.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9982386U JPS637360U (en) | 1986-07-01 | 1986-07-01 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9982386U JPS637360U (en) | 1986-07-01 | 1986-07-01 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS637360U true JPS637360U (en) | 1988-01-19 |
Family
ID=30969059
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9982386U Pending JPS637360U (en) | 1986-07-01 | 1986-07-01 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS637360U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH059692U (en) * | 1991-07-17 | 1993-02-09 | 株式会社加藤機械製作所 | Sterilization float |
| JPH0635119U (en) * | 1992-10-13 | 1994-05-10 | 日本製紙株式会社 | Paper container |
-
1986
- 1986-07-01 JP JP9982386U patent/JPS637360U/ja active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH059692U (en) * | 1991-07-17 | 1993-02-09 | 株式会社加藤機械製作所 | Sterilization float |
| JPH0635119U (en) * | 1992-10-13 | 1994-05-10 | 日本製紙株式会社 | Paper container |
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