JPS6349180B2 - - Google Patents
Info
- Publication number
- JPS6349180B2 JPS6349180B2 JP6916381A JP6916381A JPS6349180B2 JP S6349180 B2 JPS6349180 B2 JP S6349180B2 JP 6916381 A JP6916381 A JP 6916381A JP 6916381 A JP6916381 A JP 6916381A JP S6349180 B2 JPS6349180 B2 JP S6349180B2
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- horizontal
- outputs
- shift register
- inspected
- 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
Links
- 239000000463 material Substances 0.000 claims description 26
- 230000007547 defect Effects 0.000 claims description 25
- 238000001514 detection method Methods 0.000 claims description 20
- 238000007689 inspection Methods 0.000 claims description 14
- 238000003384 imaging method Methods 0.000 claims description 8
- 230000001360 synchronised effect Effects 0.000 claims description 4
- 230000003287 optical effect Effects 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000006870 function Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 238000012935 Averaging Methods 0.000 description 2
- 230000003111 delayed effect Effects 0.000 description 2
- 230000004069 differentiation Effects 0.000 description 2
- 239000000284 extract Substances 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- 206010039509 Scab Diseases 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000004590 computer program Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000012850 discrimination method Methods 0.000 description 1
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 1
- 229910052753 mercury Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003909 pattern recognition Methods 0.000 description 1
- 238000012567 pattern recognition method Methods 0.000 description 1
- 238000000275 quality assurance Methods 0.000 description 1
- 238000007665 sagging Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/84—Systems specially adapted for particular applications
- G01N21/88—Investigating the presence of flaws or contamination
- G01N21/89—Investigating the presence of flaws or contamination in moving material, e.g. running paper or textiles
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6916381A JPS57184956A (en) | 1981-05-08 | 1981-05-08 | Inspecting device of surface defect |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6916381A JPS57184956A (en) | 1981-05-08 | 1981-05-08 | Inspecting device of surface defect |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS57184956A JPS57184956A (en) | 1982-11-13 |
| JPS6349180B2 true JPS6349180B2 (de) | 1988-10-03 |
Family
ID=13394757
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6916381A Granted JPS57184956A (en) | 1981-05-08 | 1981-05-08 | Inspecting device of surface defect |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS57184956A (de) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0612343B2 (ja) * | 1983-03-31 | 1994-02-16 | 株式会社東芝 | 表面検査装置 |
| JPH065215B2 (ja) * | 1985-05-31 | 1994-01-19 | 日本放送協会 | テ−プ状記録体の検査装置 |
| JPH0412257A (ja) * | 1990-04-27 | 1992-01-16 | Kawasaki Steel Corp | 鋼板の線状疵の検出方法及びその装置 |
| JP6809510B2 (ja) * | 2018-03-09 | 2021-01-06 | Ｊｆｅスチール株式会社 | 金属帯表面の幅方向線状模様欠陥の検査方法及び検査装置 |
-
1981
- 1981-05-08 JP JP6916381A patent/JPS57184956A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS57184956A (en) | 1982-11-13 |
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