JPS57162078A - Pattern collating method - Google Patents
Pattern collating methodInfo
- Publication number
- JPS57162078A JPS57162078A JP56048214A JP4821481A JPS57162078A JP S57162078 A JPS57162078 A JP S57162078A JP 56048214 A JP56048214 A JP 56048214A JP 4821481 A JP4821481 A JP 4821481A JP S57162078 A JPS57162078 A JP S57162078A
- Authority
- JP
- Japan
- Prior art keywords
- colors
- color
- test pattern
- pictures
- pattern
- 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
- Collating Specific Patterns (AREA)
- Closed-Circuit Television Systems (AREA)
Abstract
PURPOSE: To realize an easy and to accurately collate an original pattern with a test pattern, by viewing, by using a color cathode-ray tube and making use of a change of color due to the principle of the additive color mixture.
CONSTITUTION: One of the three primary colors is selected for the background color of the screen 1' of a color cathode-ray tube 1. Both the original pattern and a test pattern 8 are projected on the screen 1' in the colors different from the background color and in the form of an original pattern picture A and a test pattern picture A' respectively. Then both pictures are superposed on each other, and a coincident part B between the pictures A and A' is turned white by the additive color mixture of the three primary colors. While the noncoincident parts C and C' keep their colors as they are. Thus the screen 1' which is divided into three colors is viewed to discriminated the coincidence or noncoincidence between the pictures A and A'. In such way, an original pattern and a test pattern are collated with each other by viewing and an easy and accurate way.
COPYRIGHT: (C)1982,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP56048214A JPS57162078A (en) | 1981-03-31 | 1981-03-31 | Pattern collating method |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP56048214A JPS57162078A (en) | 1981-03-31 | 1981-03-31 | Pattern collating method |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS57162078A true JPS57162078A (en) | 1982-10-05 |
Family
ID=12797154
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP56048214A Pending JPS57162078A (en) | 1981-03-31 | 1981-03-31 | Pattern collating method |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS57162078A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6180985A (en) * | 1984-09-24 | 1986-04-24 | ソシエテ・ナシヨナール・インダストリエル・アエロスパシエール | Method and device for positioning work through superpositionof picture |
-
1981
- 1981-03-31 JP JP56048214A patent/JPS57162078A/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6180985A (en) * | 1984-09-24 | 1986-04-24 | ソシエテ・ナシヨナール・インダストリエル・アエロスパシエール | Method and device for positioning work through superpositionof picture |
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