JPH0174515U - - Google Patents
Info
- Publication number
- JPH0174515U JPH0174515U JP1987169027U JP16902787U JPH0174515U JP H0174515 U JPH0174515 U JP H0174515U JP 1987169027 U JP1987169027 U JP 1987169027U JP 16902787 U JP16902787 U JP 16902787U JP H0174515 U JPH0174515 U JP H0174515U
- Authority
- JP
- Japan
- Prior art keywords
- angle
- light sources
- light source
- pan head
- reference point
- 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
- 238000005259 measurement Methods 0.000 claims description 6
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Length Measuring Devices By Optical Means (AREA)
- Measurement Of Optical Distance (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987169027U JPH0174515U (en, 2012) | 1987-11-06 | 1987-11-06 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987169027U JPH0174515U (en, 2012) | 1987-11-06 | 1987-11-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0174515U true JPH0174515U (en, 2012) | 1989-05-19 |
Family
ID=31458725
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987169027U Pending JPH0174515U (en, 2012) | 1987-11-06 | 1987-11-06 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0174515U (en, 2012) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5827006A (ja) * | 1981-08-11 | 1983-02-17 | Shimizu Constr Co Ltd | トンネル内空変位等の計測装置 |
| JPS5885109A (ja) * | 1981-11-17 | 1983-05-21 | Shin Meiwa Ind Co Ltd | 光学式距離センサ |
| JPS6171313A (ja) * | 1984-09-14 | 1986-04-12 | Hamamatsu Photonics Kk | 測距装置 |
-
1987
- 1987-11-06 JP JP1987169027U patent/JPH0174515U/ja active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5827006A (ja) * | 1981-08-11 | 1983-02-17 | Shimizu Constr Co Ltd | トンネル内空変位等の計測装置 |
| JPS5885109A (ja) * | 1981-11-17 | 1983-05-21 | Shin Meiwa Ind Co Ltd | 光学式距離センサ |
| JPS6171313A (ja) * | 1984-09-14 | 1986-04-12 | Hamamatsu Photonics Kk | 測距装置 |