Title:
Detecting and sorting means for sheets having flaws
United States Patent 3389789
US Patent References:
/2735017.html
- - 2735017
Method of detecting surface conditions of sheet metal
- - 2947212
Optical defect detector
- - 2975293
Electronic surface inspection system
- - 3019346
Electronic surface inspection system
- - 3096443
/2735017.html
- - 2735017
Method of detecting surface conditions of sheet metal
- - 2947212
Optical defect detector
- - 2975293
Electronic surface inspection system
- - 3019346
Electronic surface inspection system
- - 3096443
Inventors:
Watson, Gerald L.
Stradley, Donald L.
Stradley, Donald L.
Publication Date:
06/25/1968
View Patent Images:
Export Citation:
Assignee:
MOORE VUE INC
Primary Class:
Other Classes:
250/559.460, 209/552, 209/939, 348/128, 250/225
International Classes:
G01N21/89; G01N21/88
US Patent References:
| 3264480 | Photoelectric inspection apparatus for material having variations in reflectivity |