JPH0136576B2 - - Google Patents
Info
- Publication number
- JPH0136576B2 JPH0136576B2 JP4018182A JP4018182A JPH0136576B2 JP H0136576 B2 JPH0136576 B2 JP H0136576B2 JP 4018182 A JP4018182 A JP 4018182A JP 4018182 A JP4018182 A JP 4018182A JP H0136576 B2 JPH0136576 B2 JP H0136576B2
- Authority
- JP
- Japan
- Prior art keywords
- signal
- output
- detection circuit
- comparator
- level
- 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
- 238000001514 detection method Methods 0.000 claims description 52
- 230000007547 defect Effects 0.000 claims description 33
- 230000000630 rising effect Effects 0.000 claims description 14
- 238000006243 chemical reaction Methods 0.000 claims description 5
- 230000001678 irradiating effect Effects 0.000 claims description 3
- 230000001960 triggered effect Effects 0.000 claims 2
- 230000000737 periodic effect Effects 0.000 claims 1
- 239000002775 capsule Substances 0.000 description 33
- 238000010586 diagram Methods 0.000 description 18
- 230000002950 deficient Effects 0.000 description 13
- 238000007689 inspection Methods 0.000 description 6
- 238000005286 illumination Methods 0.000 description 3
- 230000003287 optical effect Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000011179 visual inspection Methods 0.000 description 2
- 230000003321 amplification Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000003708 edge detection Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 239000012780 transparent material Substances 0.000 description 1
- 239000002699 waste material Substances 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
- G01N21/95—Investigating the presence of flaws or contamination characterised by the material or shape of the object to be examined
- G01N21/952—Inspecting the exterior surface of cylindrical bodies or wires
Landscapes
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4018182A JPS58158543A (ja) | 1982-03-16 | 1982-03-16 | 透明、不透明部から成る物体の欠陥検出回路 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4018182A JPS58158543A (ja) | 1982-03-16 | 1982-03-16 | 透明、不透明部から成る物体の欠陥検出回路 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS58158543A JPS58158543A (ja) | 1983-09-20 |
| JPH0136576B2 true JPH0136576B2 (xx) | 1989-08-01 |
Family
ID=12573606
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4018182A Granted JPS58158543A (ja) | 1982-03-16 | 1982-03-16 | 透明、不透明部から成る物体の欠陥検出回路 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58158543A (xx) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62194169A (ja) * | 1986-02-19 | 1987-08-26 | スタンレー電気株式会社 | 冷却用フアンの制御装置 |
-
1982
- 1982-03-16 JP JP4018182A patent/JPS58158543A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS58158543A (ja) | 1983-09-20 |
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