JPS5876708A - ナイフマ−ク検査機 - Google Patents
ナイフマ−ク検査機Info
- Publication number
- JPS5876708A JPS5876708A JP17537081A JP17537081A JPS5876708A JP S5876708 A JPS5876708 A JP S5876708A JP 17537081 A JP17537081 A JP 17537081A JP 17537081 A JP17537081 A JP 17537081A JP S5876708 A JPS5876708 A JP S5876708A
- Authority
- JP
- Japan
- Prior art keywords
- light
- absolute value
- knife mark
- signal
- circuit
- 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.)
- Granted
Links
- 238000007689 inspection Methods 0.000 claims description 7
- 238000001514 detection method Methods 0.000 abstract description 11
- 238000010586 diagram Methods 0.000 description 8
- 238000000034 method Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 230000003287 optical effect Effects 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)
- Manufacture Of Wood Veneers (AREA)
- Length Measuring Devices By Optical Means (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP17537081A JPS5876708A (ja) | 1981-10-31 | 1981-10-31 | ナイフマ−ク検査機 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP17537081A JPS5876708A (ja) | 1981-10-31 | 1981-10-31 | ナイフマ−ク検査機 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5876708A true JPS5876708A (ja) | 1983-05-09 |
JPS6351481B2 JPS6351481B2 (enrdf_load_stackoverflow) | 1988-10-14 |
Family
ID=15994901
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP17537081A Granted JPS5876708A (ja) | 1981-10-31 | 1981-10-31 | ナイフマ−ク検査機 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5876708A (enrdf_load_stackoverflow) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH04282888A (ja) * | 1991-03-11 | 1992-10-07 | Nec Toyama Ltd | 印刷配線板の製造方法 |
-
1981
- 1981-10-31 JP JP17537081A patent/JPS5876708A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS6351481B2 (enrdf_load_stackoverflow) | 1988-10-14 |
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