JPS5574408A - Optical inspection device for object surface - Google Patents
Optical inspection device for object surfaceInfo
- Publication number
- JPS5574408A JPS5574408A JP14823078A JP14823078A JPS5574408A JP S5574408 A JPS5574408 A JP S5574408A JP 14823078 A JP14823078 A JP 14823078A JP 14823078 A JP14823078 A JP 14823078A JP S5574408 A JPS5574408 A JP S5574408A
- Authority
- JP
- Japan
- Prior art keywords
- slit
- photocells
- photocell
- inspection device
- object surface
- 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.)
- Pending
Links
Landscapes
- 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 surface of object by means of a photoelectric output by providing a pair of slit-shaped photocell the electric output of which is differentially formed so that the surface of object is imaged on the photocell through a optical system.
CONSTITUTION: A pencil of light rays 2 is applied to the object 1, images are formed on the slit-shaped photocells 4, 4' arranged perpendicularly to the moving direction of object. Both the photocells are parallel to each other and respective areas are the same, their outputs 6, 7 are fed to the differential amplifier 8, and when its difference signal output becomes a fixed value or more, a warning is given by a buzzer.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP14823078A JPS5574408A (en) | 1978-11-29 | 1978-11-29 | Optical inspection device for object surface |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP14823078A JPS5574408A (en) | 1978-11-29 | 1978-11-29 | Optical inspection device for object surface |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5574408A true JPS5574408A (en) | 1980-06-05 |
Family
ID=15448174
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP14823078A Pending JPS5574408A (en) | 1978-11-29 | 1978-11-29 | Optical inspection device for object surface |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5574408A (en) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5746854U (en) * | 1980-08-30 | 1982-03-16 | ||
JPS57144054U (en) * | 1981-03-04 | 1982-09-09 | ||
JPS59174743A (en) * | 1983-03-17 | 1984-10-03 | シ−メンス,アクチエンゲゼルシヤフト | Optical type testing device for surface flaw detection of cable and conductor |
JPS62200254A (en) * | 1986-02-28 | 1987-09-03 | Toho Rayon Co Ltd | Defect detection of filament |
JPS62173044U (en) * | 1986-04-22 | 1987-11-04 |
-
1978
- 1978-11-29 JP JP14823078A patent/JPS5574408A/en active Pending
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5746854U (en) * | 1980-08-30 | 1982-03-16 | ||
JPS57144054U (en) * | 1981-03-04 | 1982-09-09 | ||
JPS59174743A (en) * | 1983-03-17 | 1984-10-03 | シ−メンス,アクチエンゲゼルシヤフト | Optical type testing device for surface flaw detection of cable and conductor |
JPS62200254A (en) * | 1986-02-28 | 1987-09-03 | Toho Rayon Co Ltd | Defect detection of filament |
JPS62173044U (en) * | 1986-04-22 | 1987-11-04 | ||
JPH0439566Y2 (en) * | 1986-04-22 | 1992-09-16 |
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