JPS5484789A - Diagnosis method of surface inspector - Google Patents
Diagnosis method of surface inspectorInfo
- Publication number
- JPS5484789A JPS5484789A JP15260777A JP15260777A JPS5484789A JP S5484789 A JPS5484789 A JP S5484789A JP 15260777 A JP15260777 A JP 15260777A JP 15260777 A JP15260777 A JP 15260777A JP S5484789 A JPS5484789 A JP S5484789A
- Authority
- JP
- Japan
- Prior art keywords
- counter
- abnormality
- outputs
- surface inspector
- flip
- 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.)
- Granted
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
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)
- Length Measuring Devices By Optical Means (AREA)
- Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
Abstract
PURPOSE:To inspect the normality and abnormality of the surface inspector by alarming the abnormality of the surface inspector when the times of image pickup when the edge of the object being examined is not detected exceed a fixed time. CONSTITUTION:When an abnormality detection circuit 34 corresponding to flaw detection systems 2 thus 5 produces an output, it sets a flip-flop 35 which is reset by the vertical synchronizing signal VD. The outputs of these flip-flops 33, 35 are led to an AND gate 36 and the outputs of the AND gate 36 are counted by a counter 37. Hence, the count value of this counter 37 indicates the number of the pictures where no edges are detected and the abnormality detection circuit 34 has produced outputs. When the count value of this counter reaches a specified value, the counter produces a carrier signal, by which an alarm ALM is emitted to the operator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15260777A JPS596383B2 (en) | 1977-12-19 | 1977-12-19 | Diagnostic method for surface inspection equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15260777A JPS596383B2 (en) | 1977-12-19 | 1977-12-19 | Diagnostic method for surface inspection equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5484789A true JPS5484789A (en) | 1979-07-05 |
| JPS596383B2 JPS596383B2 (en) | 1984-02-10 |
Family
ID=15544088
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15260777A Expired JPS596383B2 (en) | 1977-12-19 | 1977-12-19 | Diagnostic method for surface inspection equipment |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS596383B2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5828653A (en) * | 1981-08-13 | 1983-02-19 | Nec Corp | Detector for defect on surface of material |
-
1977
- 1977-12-19 JP JP15260777A patent/JPS596383B2/en not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5828653A (en) * | 1981-08-13 | 1983-02-19 | Nec Corp | Detector for defect on surface of material |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS596383B2 (en) | 1984-02-10 |
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