FR2345717B3 - - Google Patents
Info
- Publication number
- FR2345717B3 FR2345717B3 FR7708863A FR7708863A FR2345717B3 FR 2345717 B3 FR2345717 B3 FR 2345717B3 FR 7708863 A FR7708863 A FR 7708863A FR 7708863 A FR7708863 A FR 7708863A FR 2345717 B3 FR2345717 B3 FR 2345717B3
- Authority
- FR
- France
- 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
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19762612482 DE2612482A1 (en) | 1976-03-24 | 1976-03-24 | METHOD AND EQUIPMENT FOR OPTICAL OBSERVATION OF THE SURFACE OF FAST MOVING ROLLED MATERIAL |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2345717A1 FR2345717A1 (en) | 1977-10-21 |
FR2345717B3 true FR2345717B3 (en) | 1980-04-04 |
Family
ID=5973315
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7708863A Granted FR2345717A1 (en) | 1976-03-24 | 1977-03-24 | Optical observation of rapidly moving laminated surface - is performed using TV cameras in stroboscopic lighting conditions |
Country Status (5)
Country | Link |
---|---|
BE (1) | BE852782A (en) |
DE (1) | DE2612482A1 (en) |
FR (1) | FR2345717A1 (en) |
IT (1) | IT1077953B (en) |
LU (1) | LU76996A1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0284630A1 (en) * | 1987-03-27 | 1988-10-05 | Aluminum Company Of America | Method for detection of surface defects |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2932660A1 (en) * | 1979-08-11 | 1981-02-26 | Feldmuehle Ag | METHOD AND DEVICE FOR DEFINING THE TYPE OF ERROR |
DE2952712C2 (en) * | 1979-12-29 | 1984-07-12 | Hoesch Werke Ag, 4600 Dortmund | Device for detecting errors |
GB9614073D0 (en) * | 1996-07-04 | 1996-09-04 | Surface Inspection Ltd | Visual inspection apparatus |
IT1308026B1 (en) * | 1999-12-06 | 2001-11-29 | Ct Sviluppo Materiali Spa | SYSTEM AND METHOD OF ACQUISITION AND PROCESSING OF IMAGES FOR RESEARCH OF SURFACE DEFECTS AND FOR EVALUATION OF THE TONE OF |
FI20000032A0 (en) * | 2000-01-07 | 2000-01-07 | Spectra Physics Visiontech Oy | Arrangement and method of surface inspection |
-
1976
- 1976-03-24 DE DE19762612482 patent/DE2612482A1/en active Pending
-
1977
- 1977-01-04 IT IT4751377A patent/IT1077953B/en active
- 1977-03-22 LU LU76996A patent/LU76996A1/xx unknown
- 1977-03-23 BE BE176034A patent/BE852782A/en unknown
- 1977-03-24 FR FR7708863A patent/FR2345717A1/en active Granted
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0284630A1 (en) * | 1987-03-27 | 1988-10-05 | Aluminum Company Of America | Method for detection of surface defects |
Also Published As
Publication number | Publication date |
---|---|
LU76996A1 (en) | 1977-07-18 |
FR2345717A1 (en) | 1977-10-21 |
DE2612482A1 (en) | 1977-10-06 |
BE852782A (en) | 1977-09-23 |
IT1077953B (en) | 1985-05-08 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |