JPS5635005A - Detector for center position of object to be measured - Google Patents
Detector for center position of object to be measuredInfo
- Publication number
- JPS5635005A JPS5635005A JP11080679A JP11080679A JPS5635005A JP S5635005 A JPS5635005 A JP S5635005A JP 11080679 A JP11080679 A JP 11080679A JP 11080679 A JP11080679 A JP 11080679A JP S5635005 A JPS5635005 A JP S5635005A
- Authority
- JP
- Japan
- Prior art keywords
- center position
- measured
- processing
- line
- register
- 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)
- Length Measuring Devices With Unspecified Measuring Means (AREA)
- Image Analysis (AREA)
Abstract
PURPOSE: To simplify the operational processing and to enable the detection of center position, by respectively storing the output of the line sensor located at X, Y axes to the register to the object to be measured and processing the content of the register for operation.
CONSTITUTION: The photodetector trains 12, 13 of the line sensors 10, 11 for X, Y axes opposingly located to the object 1 to be measured are opposed to the object 1 in an angle of 90° as shown in figure. Further, the anglog signal picked up respectively toward horizontal and vertical direction from the X, Y-axis-line-sensors 10, 11 is digitized at the binary circuits 14, 15, which are temporarily stored in the registers 16, 17 having the bit arrangement of the number corresponding to the number of photodetectors of the photodetector trains 12, 13, and operational processing is made at the processor 18 to obtain the center position. Thus, the operational processing of the detection of center position is simplified to increase the processing speed.
COPYRIGHT: (C)1981,JPO&Japio
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11080679A JPS5635005A (en) | 1979-08-29 | 1979-08-29 | Detector for center position of object to be measured |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11080679A JPS5635005A (en) | 1979-08-29 | 1979-08-29 | Detector for center position of object to be measured |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5635005A true JPS5635005A (en) | 1981-04-07 |
Family
ID=14545120
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11080679A Pending JPS5635005A (en) | 1979-08-29 | 1979-08-29 | Detector for center position of object to be measured |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5635005A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5872004A (en) * | 1981-10-27 | 1983-04-28 | Toshiba Mach Co Ltd | Measuring method for hole in horizontal direction |
| JPS5987312A (en) * | 1982-09-14 | 1984-05-19 | リチヨツピングス・メカニスカ・フエルクシユタツズ・ア−ベ− | Method of indexing central position of circular body |
| JPS6234004A (en) * | 1985-08-07 | 1987-02-14 | Nissan Motor Co Ltd | Method for detecting center point of circle and circular arc |
| JPH02207548A (en) * | 1989-02-08 | 1990-08-17 | Oki Electric Ind Co Ltd | Positioning method for semiconductor wafer |
| JPH03160303A (en) * | 1989-11-17 | 1991-07-10 | Kawasaki Heavy Ind Ltd | Detecting method of multiple hole |
-
1979
- 1979-08-29 JP JP11080679A patent/JPS5635005A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5872004A (en) * | 1981-10-27 | 1983-04-28 | Toshiba Mach Co Ltd | Measuring method for hole in horizontal direction |
| JPS5987312A (en) * | 1982-09-14 | 1984-05-19 | リチヨツピングス・メカニスカ・フエルクシユタツズ・ア−ベ− | Method of indexing central position of circular body |
| JPS6234004A (en) * | 1985-08-07 | 1987-02-14 | Nissan Motor Co Ltd | Method for detecting center point of circle and circular arc |
| JPH02207548A (en) * | 1989-02-08 | 1990-08-17 | Oki Electric Ind Co Ltd | Positioning method for semiconductor wafer |
| JPH03160303A (en) * | 1989-11-17 | 1991-07-10 | Kawasaki Heavy Ind Ltd | Detecting method of multiple hole |
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