JPH0129256B2 - - Google Patents
Info
- Publication number
- JPH0129256B2 JPH0129256B2 JP19395281A JP19395281A JPH0129256B2 JP H0129256 B2 JPH0129256 B2 JP H0129256B2 JP 19395281 A JP19395281 A JP 19395281A JP 19395281 A JP19395281 A JP 19395281A JP H0129256 B2 JPH0129256 B2 JP H0129256B2
- Authority
- JP
- Japan
- Prior art keywords
- conveyance
- strip
- conveyor
- light
- flaw
- 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 30
- 238000007689 inspection Methods 0.000 claims description 23
- 238000010586 diagram Methods 0.000 description 7
- 238000006243 chemical reaction Methods 0.000 description 4
- 238000003708 edge detection Methods 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 230000000295 complement effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000001678 irradiating effect Effects 0.000 description 1
- 238000000034 method Methods 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
- G01N21/892—Investigating the presence of flaws or contamination in moving material, e.g. running paper or textiles characterised by the flaw, defect or object feature examined
- G01N21/898—Irregularities in textured or patterned surfaces, e.g. textiles, wood
- G01N21/8986—Wood
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Textile Engineering (AREA)
- Physics & Mathematics (AREA)
- Health & Medical 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 |
|---|---|---|---|
| JP19395281A JPS5895252A (ja) | 1981-11-30 | 1981-11-30 | 直線溝状傷検出装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19395281A JPS5895252A (ja) | 1981-11-30 | 1981-11-30 | 直線溝状傷検出装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5895252A JPS5895252A (ja) | 1983-06-06 |
| JPH0129256B2 true JPH0129256B2 (OSRAM) | 1989-06-08 |
Family
ID=16316482
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19395281A Granted JPS5895252A (ja) | 1981-11-30 | 1981-11-30 | 直線溝状傷検出装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5895252A (OSRAM) |
-
1981
- 1981-11-30 JP JP19395281A patent/JPS5895252A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5895252A (ja) | 1983-06-06 |
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