NO131850B - - Google Patents
Download PDFInfo
- Publication number
- NO131850B NO131850B NO376672A NO376672A NO131850B NO 131850 B NO131850 B NO 131850B NO 376672 A NO376672 A NO 376672A NO 376672 A NO376672 A NO 376672A NO 131850 B NO131850 B NO 131850B
- Authority
- NO
- Norway
- Prior art keywords
- detector
- radiation
- path
- scanning
- scanning station
- Prior art date
Links
- 230000003287 optical effect Effects 0.000 claims description 15
- 230000005855 radiation Effects 0.000 claims description 10
- 230000007547 defect Effects 0.000 claims description 4
- 238000010408 sweeping Methods 0.000 claims description 4
- 238000001514 detection method Methods 0.000 description 10
- 230000000694 effects Effects 0.000 description 4
- 230000000903 blocking effect Effects 0.000 description 3
- 230000035945 sensitivity Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000010355 oscillation Effects 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
-
- 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
- G01N21/8901—Optical details; Scanning details
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- 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)
- Length Measuring Devices By Optical Means (AREA)
- Mechanical Optical Scanning Systems (AREA)
- Lenses (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB4988571A GB1407409A (en) | 1971-10-27 | 1971-10-27 | Detection of blemishes in a surface |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| NO131850B true NO131850B (de) | 1975-05-05 |
| NO131850C NO131850C (de) | 1975-08-13 |
Family
ID=10453892
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO376672A NO131850C (de) | 1971-10-27 | 1972-10-19 |
Country Status (6)
| Country | Link |
|---|---|
| JP (1) | JPS4852284A (de) |
| DE (1) | DE2251915A1 (de) |
| FR (1) | FR2159021A6 (de) |
| GB (1) | GB1407409A (de) |
| NL (1) | NL7214522A (de) |
| NO (1) | NO131850C (de) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2263509B1 (de) * | 1974-03-09 | 1981-04-10 | Feldmuehle Anlagen Prod | |
| DE2816986C3 (de) * | 1978-04-19 | 1986-03-27 | Agfa-Gevaert Ag, 5090 Leverkusen | Anordnung zum Aufsuchen von Fehlern auf laufenden Bändern |
| GB2307550A (en) * | 1995-11-23 | 1997-05-28 | British Aerospace | Illumination of a test sample by scanning a line of coherent radiation |
| GB2429764A (en) * | 2005-08-30 | 2007-03-07 | Imp College Innovations Ltd | A scanning device using a first optical system with a first focal length and a second optical system with a second focal length |
| NO336577B1 (no) * | 2009-07-08 | 2015-09-28 | Sapa As | Fremgangsmåte og apparatur for inspeksjon av overflater |
-
1971
- 1971-10-27 GB GB4988571A patent/GB1407409A/en not_active Expired
-
1972
- 1972-10-19 NO NO376672A patent/NO131850C/no unknown
- 1972-10-23 DE DE19722251915 patent/DE2251915A1/de active Pending
- 1972-10-26 NL NL7214522A patent/NL7214522A/xx unknown
- 1972-10-27 FR FR7238172A patent/FR2159021A6/fr not_active Expired
- 1972-10-27 JP JP10729972A patent/JPS4852284A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| FR2159021A6 (de) | 1973-06-15 |
| NO131850C (de) | 1975-08-13 |
| JPS4852284A (de) | 1973-07-23 |
| NL7214522A (de) | 1973-05-02 |
| GB1407409A (en) | 1975-09-24 |
| DE2251915A1 (de) | 1973-05-03 |
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