JPS5679203A - Position detecting device - Google Patents
Position detecting deviceInfo
- Publication number
- JPS5679203A JPS5679203A JP15539979A JP15539979A JPS5679203A JP S5679203 A JPS5679203 A JP S5679203A JP 15539979 A JP15539979 A JP 15539979A JP 15539979 A JP15539979 A JP 15539979A JP S5679203 A JPS5679203 A JP S5679203A
- Authority
- JP
- Japan
- Prior art keywords
- image pickup
- signal
- image
- calculator
- light source
- 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
- Control Of Position Or Direction (AREA)
- Length Measuring Devices By Optical Means (AREA)
- Wire Bonding (AREA)
Abstract
PURPOSE: To make image pickup signal level optimum and to simplify processing of position-detecting signal, by appropriately controlling a semiconductor chip lighting intensity or scanning speed of an image pickup device which scanningly detects image of the chip.
CONSTITUTION: An image signal of a semiconductor chip 1 from an image pickup device 4 is put into a calculator 7 through an AC-DC converter 6 and accumulated in a memory 8. And, the calculator 7 seeks an average value of detection level from picture element level and feeds this back to an image pickup control device 5. The image pickup control device 5 optimizes image pickup signal by controlling image pickup scanning speed in the image pickup device 4 on the basis of the feedback information or by energizing a light source driving device 9 to set lighting intensity of a light source 3 variably, etc.
COPYRIGHT: (C)1981,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP15539979A JPS5679203A (en) | 1979-11-30 | 1979-11-30 | Position detecting device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP15539979A JPS5679203A (en) | 1979-11-30 | 1979-11-30 | Position detecting device |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5679203A true JPS5679203A (en) | 1981-06-29 |
Family
ID=15605108
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP15539979A Pending JPS5679203A (en) | 1979-11-30 | 1979-11-30 | Position detecting device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5679203A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH02171608A (en) * | 1988-12-23 | 1990-07-03 | Toyota Central Res & Dev Lab Inc | Distance/angle measuring apparatus |
-
1979
- 1979-11-30 JP JP15539979A patent/JPS5679203A/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH02171608A (en) * | 1988-12-23 | 1990-07-03 | Toyota Central Res & Dev Lab Inc | Distance/angle measuring apparatus |
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