JPH01168807U - - Google Patents
Info
- Publication number
- JPH01168807U JPH01168807U JP6511188U JP6511188U JPH01168807U JP H01168807 U JPH01168807 U JP H01168807U JP 6511188 U JP6511188 U JP 6511188U JP 6511188 U JP6511188 U JP 6511188U JP H01168807 U JPH01168807 U JP H01168807U
- Authority
- JP
- Japan
- Prior art keywords
- road surface
- camera
- irradiation area
- detecting
- laser light
- 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 2
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Length Measuring Devices By Optical Means (AREA)
- Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
Description
図面は本考案の実施例を示し、第１図は全体斜
視図、第２図はレーザスキヤナーの説明図、第３
図は回路図である。
３はレーザスキヤナー、４はＴＶカメラ、５は
ひび割れ検出用センサー、１１は処理器。
The drawings show an embodiment of the present invention, in which Figure 1 is an overall perspective view, Figure 2 is an explanatory diagram of a laser scanner, and Figure 3 is an illustration of a laser scanner.
The figure is a circuit diagram. 3 is a laser scanner, 4 is a TV camera, 5 is a crack detection sensor, and 11 is a processor.
Claims (1)
射するレーザスキヤナー３と、路面のレーザ光照
射域を撮影するＴＶカメラ４と、このＴＶカメラ
４の映像における水平方向及び垂直方向のひずみ
に基づいてわだち掘れと縦断凹凸を検出する処理
器１１と、前記レーザ光照射域よりの反射光量に
基づいてひび割れを検出するひび割れ検出用セン
サー５より構成したことを特徴とする路面性状計
測装置。 Based on the laser scanner 3 that irradiates laser light in the lateral and longitudinal directions of the road surface, the TV camera 4 that photographs the laser light irradiation area of the road surface, and the distortion in the horizontal and vertical directions in the image of this TV camera 4. A road surface condition measuring device comprising: a processor 11 for detecting ruts and vertical irregularities; and a crack detection sensor 5 for detecting cracks based on the amount of reflected light from the laser beam irradiation area.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6511188U JPH01168807U (en) | 1988-05-19 | 1988-05-19 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6511188U JPH01168807U (en) | 1988-05-19 | 1988-05-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01168807U true JPH01168807U (en) | 1989-11-28 |
Family
ID=31290556
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6511188U Pending JPH01168807U (en) | 1988-05-19 | 1988-05-19 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01168807U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005076402A (en) * | 2003-09-03 | 2005-03-24 | Sekisui Jushi Co Ltd | Light-emitting vane and snow depth monitoring device and snow depth measuring device using the same |
-
1988
- 1988-05-19 JP JP6511188U patent/JPH01168807U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005076402A (en) * | 2003-09-03 | 2005-03-24 | Sekisui Jushi Co Ltd | Light-emitting vane and snow depth monitoring device and snow depth measuring device using the same |
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