JPS57198807A - Inspecting device for shape and dimensions of article - Google Patents
Inspecting device for shape and dimensions of articleInfo
- Publication number
- JPS57198807A JPS57198807A JP8405181A JP8405181A JPS57198807A JP S57198807 A JPS57198807 A JP S57198807A JP 8405181 A JP8405181 A JP 8405181A JP 8405181 A JP8405181 A JP 8405181A JP S57198807 A JPS57198807 A JP S57198807A
- Authority
- JP
- Japan
- Prior art keywords
- shape
- dimensions
- circuit
- shapes
- parts
- 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
- 238000013075 data extraction Methods 0.000 abstract 1
- 230000007274 generation of a signal involved in cell-cell signaling Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 abstract 1
- 238000002360 preparation method Methods 0.000 abstract 1
- 238000005070 sampling Methods 0.000 abstract 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
- G01B11/02—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness
- G01B11/024—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness by means of diode-array scanning
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Length Measuring Devices By Optical Means (AREA)
Abstract
PURPOSE:To automatically inspect shape and dimensions of parts complicated in the shape with ease by a method wherein shapes to be inspected as drawn by unit working lines are subdivided into simple shapes and rectangular areas are determined corresponding to positions of the shapes thus subdivided to analyze the shape and dimensions of figures therewithin. CONSTITUTION:A light is irradiated on an article 1 to be inspected on a sample base 10 with a lighting device 11 and converted into electrical signals with a scanning type photoelectric converter 12 from the top thereof. Then, it is sampled with a digitalization circuit 13 at intervals of fixed time. Object parts of a part brightly lighted are converted into ''1'' and other parts thereof into ''0'', signals depending on the brightness at sampling points which are introduced to an AND circuit 14 to take ''AND'' with an area signal from an area signal generation circuit 15. Only graphic signals from specific areas within a picture are introduced into an edge data preparation circuit 16, from data are sent to an edge data extraction circuit 17 to calculate data of edge shape and dimensions.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8405181A JPS57198807A (en) | 1981-06-01 | 1981-06-01 | Inspecting device for shape and dimensions of article |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8405181A JPS57198807A (en) | 1981-06-01 | 1981-06-01 | Inspecting device for shape and dimensions of article |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS57198807A true JPS57198807A (en) | 1982-12-06 |
Family
ID=13819698
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8405181A Pending JPS57198807A (en) | 1981-06-01 | 1981-06-01 | Inspecting device for shape and dimensions of article |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS57198807A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61149809U (en) * | 1985-03-08 | 1986-09-16 |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS49111665A (en) * | 1973-02-22 | 1974-10-24 | ||
| JPS50124671A (en) * | 1974-03-06 | 1975-09-30 | ||
| JPS5540987A (en) * | 1978-09-19 | 1980-03-22 | Sony Corp | Discriminating unit |
-
1981
- 1981-06-01 JP JP8405181A patent/JPS57198807A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS49111665A (en) * | 1973-02-22 | 1974-10-24 | ||
| JPS50124671A (en) * | 1974-03-06 | 1975-09-30 | ||
| JPS5540987A (en) * | 1978-09-19 | 1980-03-22 | Sony Corp | Discriminating unit |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61149809U (en) * | 1985-03-08 | 1986-09-16 |
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