CA617188A - Detecting surface conditions of sheet materials - Google Patents
Detecting surface conditions of sheet materialsInfo
- Publication number
- CA617188A CA617188A CA617188A CA617188DA CA617188A CA 617188 A CA617188 A CA 617188A CA 617188 A CA617188 A CA 617188A CA 617188D A CA617188D A CA 617188DA CA 617188 A CA617188 A CA 617188A
- Authority
- CA
- Canada
- Prior art keywords
- sheet materials
- surface conditions
- detecting surface
- detecting
- conditions
- 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
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
- G01N21/8901—Optical details; Scanning details
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CA617188T |
Publications (1)
Publication Number | Publication Date |
---|---|
CA617188A true CA617188A (en) | 1961-03-28 |
Family
ID=210624
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA617188A Expired CA617188A (en) | Detecting surface conditions of sheet materials |
Country Status (1)
Country | Link |
---|---|
CA (1) | CA617188A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4108533A (en) * | 1975-11-21 | 1978-08-22 | Erwin Sick Gesellschaft Mit Beschrankter Haftung Optik-Elektronik | Apparatus for combining light emanating from a linear scanning field |
US4402607A (en) * | 1980-05-16 | 1983-09-06 | Gca Corporation | Automatic detector for microscopic dust on large-area, optically unpolished surfaces |
-
0
- CA CA617188A patent/CA617188A/en not_active Expired
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4108533A (en) * | 1975-11-21 | 1978-08-22 | Erwin Sick Gesellschaft Mit Beschrankter Haftung Optik-Elektronik | Apparatus for combining light emanating from a linear scanning field |
US4402607A (en) * | 1980-05-16 | 1983-09-06 | Gca Corporation | Automatic detector for microscopic dust on large-area, optically unpolished surfaces |
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