JPS63181903U - - Google Patents
Info
- Publication number
- JPS63181903U JPS63181903U JP7342887U JP7342887U JPS63181903U JP S63181903 U JPS63181903 U JP S63181903U JP 7342887 U JP7342887 U JP 7342887U JP 7342887 U JP7342887 U JP 7342887U JP S63181903 U JPS63181903 U JP S63181903U
- Authority
- JP
- Japan
- Prior art keywords
- rolled material
- light
- blocked
- projectors
- projector
- 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
- 239000000463 material Substances 0.000 claims description 7
- 238000010586 diagram Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 238000003708 edge detection Methods 0.000 description 1
Landscapes
- Length Measuring Devices By Optical Means (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7342887U JPS63181903U (en]) | 1987-05-16 | 1987-05-16 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7342887U JPS63181903U (en]) | 1987-05-16 | 1987-05-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63181903U true JPS63181903U (en]) | 1988-11-24 |
Family
ID=30917751
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7342887U Pending JPS63181903U (en]) | 1987-05-16 | 1987-05-16 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63181903U (en]) |
-
1987
- 1987-05-16 JP JP7342887U patent/JPS63181903U/ja active Pending
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