JPH0520965Y2 - - Google Patents
Info
- Publication number
- JPH0520965Y2 JPH0520965Y2 JP20298186U JP20298186U JPH0520965Y2 JP H0520965 Y2 JPH0520965 Y2 JP H0520965Y2 JP 20298186 U JP20298186 U JP 20298186U JP 20298186 U JP20298186 U JP 20298186U JP H0520965 Y2 JPH0520965 Y2 JP H0520965Y2
- Authority
- JP
- Japan
- Prior art keywords
- pipe
- laser beam
- target
- self
- propelled vehicle
- 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.)
- Expired - Lifetime
Links
- 238000006073 displacement reaction Methods 0.000 claims description 4
- 238000005259 measurement Methods 0.000 description 10
- 238000003384 imaging method Methods 0.000 description 7
- 238000001514 detection method Methods 0.000 description 4
- 230000006866 deterioration Effects 0.000 description 3
- 238000007665 sagging Methods 0.000 description 3
- 230000007423 decrease Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 238000009933 burial Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 238000011179 visual inspection Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Landscapes
- Length Measuring Devices By Optical Means (AREA)
- Pipeline Systems (AREA)
- Sewage (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20298186U JPH0520965Y2 (en]) | 1986-12-26 | 1986-12-26 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20298186U JPH0520965Y2 (en]) | 1986-12-26 | 1986-12-26 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63105806U JPS63105806U (en]) | 1988-07-08 |
| JPH0520965Y2 true JPH0520965Y2 (en]) | 1993-05-31 |
Family
ID=31167876
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP20298186U Expired - Lifetime JPH0520965Y2 (en]) | 1986-12-26 | 1986-12-26 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0520965Y2 (en]) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004300788A (ja) * | 2003-03-31 | 2004-10-28 | Natl Inst For Land & Infrastructure Management Mlit | 管路の勾配測定方法及び装置 |
-
1986
- 1986-12-26 JP JP20298186U patent/JPH0520965Y2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPS63105806U (en]) | 1988-07-08 |
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