JPS6322241B2 - - Google Patents
Info
- Publication number
- JPS6322241B2 JPS6322241B2 JP9383881A JP9383881A JPS6322241B2 JP S6322241 B2 JPS6322241 B2 JP S6322241B2 JP 9383881 A JP9383881 A JP 9383881A JP 9383881 A JP9383881 A JP 9383881A JP S6322241 B2 JPS6322241 B2 JP S6322241B2
- Authority
- JP
- Japan
- Prior art keywords
- signal
- video signal
- section
- value
- slit
- 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
Links
- 238000001514 detection method Methods 0.000 claims description 45
- 230000003287 optical effect Effects 0.000 claims description 36
- 238000000034 method Methods 0.000 claims description 18
- 238000003384 imaging method Methods 0.000 claims description 9
- 230000015654 memory Effects 0.000 description 18
- 238000010586 diagram Methods 0.000 description 13
- 238000000605 extraction Methods 0.000 description 10
- 230000002159 abnormal effect Effects 0.000 description 7
- 238000007796 conventional method Methods 0.000 description 4
- 230000006870 function Effects 0.000 description 3
- 238000005476 soldering Methods 0.000 description 3
- 238000007689 inspection Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
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
- G01B11/24—Measuring arrangements characterised by the use of optical techniques for measuring contours or curvatures
- G01B11/25—Measuring arrangements characterised by the use of optical techniques for measuring contours or curvatures by projecting a pattern, e.g. one or more lines, moiré fringes on the object
Landscapes
- Engineering & Computer Science (AREA)
- Computer Vision & Pattern Recognition (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Length Measuring Devices By Optical Means (AREA)
- Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9383881A JPS57208404A (en) | 1981-06-19 | 1981-06-19 | Configuration detecting method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9383881A JPS57208404A (en) | 1981-06-19 | 1981-06-19 | Configuration detecting method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS57208404A JPS57208404A (en) | 1982-12-21 |
| JPS6322241B2 true JPS6322241B2 (cs) | 1988-05-11 |
Family
ID=14093526
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9383881A Granted JPS57208404A (en) | 1981-06-19 | 1981-06-19 | Configuration detecting method |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS57208404A (cs) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60256004A (ja) * | 1984-06-01 | 1985-12-17 | Matsushita Electric Works Ltd | チツプ部品のはんだ付検査方法 |
| JPS61120006A (ja) * | 1984-11-16 | 1986-06-07 | Nippon Tsushin Gijutsu Kk | 計測ヘツドの信号検出方法 |
| JPS61130808A (ja) * | 1984-11-30 | 1986-06-18 | Hitachi Ltd | 光切断線検出装置 |
| MY137246A (en) | 2002-04-30 | 2009-01-30 | Jfe Steel Corp | Method and instrument for measuring bead cutting shape of electric welded tube |
| JP7306867B2 (ja) * | 2019-04-26 | 2023-07-11 | 株式会社キーエンス | 光学式変位計 |
| JP7375458B2 (ja) | 2019-10-23 | 2023-11-08 | オムロン株式会社 | 外観検査装置及び、不良検査方法 |
-
1981
- 1981-06-19 JP JP9383881A patent/JPS57208404A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS57208404A (en) | 1982-12-21 |
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