JPH03111478U - - Google Patents
Info
- Publication number
- JPH03111478U JPH03111478U JP1990020635U JP2063590U JPH03111478U JP H03111478 U JPH03111478 U JP H03111478U JP 1990020635 U JP1990020635 U JP 1990020635U JP 2063590 U JP2063590 U JP 2063590U JP H03111478 U JPH03111478 U JP H03111478U
- Authority
- JP
- Japan
- Prior art keywords
- workpiece
- illumination lamp
- light
- photodetector
- optical system
- 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
- 239000011521 glass Substances 0.000 claims description 4
- 238000005286 illumination Methods 0.000 claims description 4
- 230000003287 optical effect Effects 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 2
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990020635U JPH03111478U (no) | 1990-02-28 | 1990-02-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990020635U JPH03111478U (no) | 1990-02-28 | 1990-02-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH03111478U true JPH03111478U (no) | 1991-11-14 |
Family
ID=31523722
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1990020635U Pending JPH03111478U (no) | 1990-02-28 | 1990-02-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH03111478U (no) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2017196629A (ja) * | 2016-04-26 | 2017-11-02 | 株式会社Ｎｉｓｈｉｈａｒａ | 保護ガラスの汚れ検出装置とそれを備えるレーザ加工機及び保護ガラスの汚れ検出方法 |
-
1990
- 1990-02-28 JP JP1990020635U patent/JPH03111478U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2017196629A (ja) * | 2016-04-26 | 2017-11-02 | 株式会社Ｎｉｓｈｉｈａｒａ | 保護ガラスの汚れ検出装置とそれを備えるレーザ加工機及び保護ガラスの汚れ検出方法 |
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