JPH0551843B2 - - Google Patents
Info
- Publication number
- JPH0551843B2 JPH0551843B2 JP58106673A JP10667383A JPH0551843B2 JP H0551843 B2 JPH0551843 B2 JP H0551843B2 JP 58106673 A JP58106673 A JP 58106673A JP 10667383 A JP10667383 A JP 10667383A JP H0551843 B2 JPH0551843 B2 JP H0551843B2
- Authority
- JP
- Japan
- Prior art keywords
- value
- difference signal
- memory
- scanning
- stored
- 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.)
- Expired - Lifetime
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/02—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness
- G01B11/028—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness by measuring lateral position of a boundary of the object
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Length Measuring Devices By Optical Means (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP58106673A JPS606805A (ja) | 1983-06-16 | 1983-06-16 | 光学的エツジ位置検出方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP58106673A JPS606805A (ja) | 1983-06-16 | 1983-06-16 | 光学的エツジ位置検出方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS606805A JPS606805A (ja) | 1985-01-14 |
JPH0551843B2 true JPH0551843B2 (en]) | 1993-08-03 |
Family
ID=14439587
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP58106673A Granted JPS606805A (ja) | 1983-06-16 | 1983-06-16 | 光学的エツジ位置検出方法 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS606805A (en]) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6658629B2 (ja) * | 2017-03-14 | 2020-03-04 | Jfeスチール株式会社 | 高強度冷延鋼板のエッジ検出方法及びエッジ検出装置 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2507040B2 (de) * | 1974-04-24 | 1977-03-03 | Zygo Corp., Middlefield, Conn. (V.StA.) | Optoelektronische messvorrichtung fuer die lage einer kontrastierenden kante eines gegenstandes |
-
1983
- 1983-06-16 JP JP58106673A patent/JPS606805A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS606805A (ja) | 1985-01-14 |
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