JPS54149421A - Image pickup system - Google Patents
Image pickup systemInfo
- Publication number
- JPS54149421A JPS54149421A JP5797678A JP5797678A JPS54149421A JP S54149421 A JPS54149421 A JP S54149421A JP 5797678 A JP5797678 A JP 5797678A JP 5797678 A JP5797678 A JP 5797678A JP S54149421 A JPS54149421 A JP S54149421A
- Authority
- JP
- Japan
- Prior art keywords
- power source
- pickup
- light source
- constituted
- shutter
- 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
Abstract
PURPOSE: To eliminate the needless level fluctuation of pickup signals dependent upon difference in exposure timing by lighting a light source by a power source which holds always the luminance of an object constant.
CONSTITUTION: Light source 1 is lit by power source 2 which is so constituted that light source 1 can project a uniform light quantity in respect to time, and object 3 is illuminated. Then, shutter 5 of ITV camera 4 is operated to focus the image of object 3 on pickup face 8 of pickup tube 7 through pickup lens 6. This obtained pickup signal is outputted to, for example, pattern inspection unit 9. Then, it is recommended that power source 2 is constituted by a DC power source or a high- frequency power source having a period sufficiently shorter than the shutter opening time.
COPYRIGHT: (C)1979,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5797678A JPS54149421A (en) | 1978-05-16 | 1978-05-16 | Image pickup system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5797678A JPS54149421A (en) | 1978-05-16 | 1978-05-16 | Image pickup system |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS54149421A true JPS54149421A (en) | 1979-11-22 |
Family
ID=13071025
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP5797678A Pending JPS54149421A (en) | 1978-05-16 | 1978-05-16 | Image pickup system |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS54149421A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5820076A (en) * | 1981-07-29 | 1983-02-05 | Olympus Optical Co Ltd | Image pickup device |
JPS5820074A (en) * | 1981-07-29 | 1983-02-05 | Olympus Optical Co Ltd | Image pickup device |
-
1978
- 1978-05-16 JP JP5797678A patent/JPS54149421A/en active Pending
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5820076A (en) * | 1981-07-29 | 1983-02-05 | Olympus Optical Co Ltd | Image pickup device |
JPS5820074A (en) * | 1981-07-29 | 1983-02-05 | Olympus Optical Co Ltd | Image pickup device |
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