JPS63157610U - - Google Patents
Info
- Publication number
- JPS63157610U JPS63157610U JP5026287U JP5026287U JPS63157610U JP S63157610 U JPS63157610 U JP S63157610U JP 5026287 U JP5026287 U JP 5026287U JP 5026287 U JP5026287 U JP 5026287U JP S63157610 U JPS63157610 U JP S63157610U
- Authority
- JP
- Japan
- Prior art keywords
- tube end
- end surface
- lens
- reflected light
- 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
- 230000003287 optical effect Effects 0.000 claims description 4
- 230000005856 abnormality Effects 0.000 claims description 3
- 238000001514 detection method Methods 0.000 claims description 2
- 230000001678 irradiating effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Landscapes
- Length Measuring Devices By Optical Means (AREA)
- Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5026287U JPS63157610U (en]) | 1987-04-02 | 1987-04-02 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5026287U JPS63157610U (en]) | 1987-04-02 | 1987-04-02 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63157610U true JPS63157610U (en]) | 1988-10-17 |
Family
ID=30873462
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5026287U Pending JPS63157610U (en]) | 1987-04-02 | 1987-04-02 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63157610U (en]) |
-
1987
- 1987-04-02 JP JP5026287U patent/JPS63157610U/ja active Pending
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