JPS5554446A - Signal processing method of eddy-current check unit - Google Patents
Signal processing method of eddy-current check unitInfo
- Publication number
- JPS5554446A JPS5554446A JP7258578A JP7258578A JPS5554446A JP S5554446 A JPS5554446 A JP S5554446A JP 7258578 A JP7258578 A JP 7258578A JP 7258578 A JP7258578 A JP 7258578A JP S5554446 A JPS5554446 A JP S5554446A
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- check
- phase
- exciting
- coil
- 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
Landscapes
- Measurement Of Current Or Voltage (AREA)
- Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7258578A JPS5554446A (en) | 1978-06-15 | 1978-06-15 | Signal processing method of eddy-current check unit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7258578A JPS5554446A (en) | 1978-06-15 | 1978-06-15 | Signal processing method of eddy-current check unit |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5554446A true JPS5554446A (en) | 1980-04-21 |
JPS6253778B2 JPS6253778B2 (ja) | 1987-11-12 |
Family
ID=13493594
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP7258578A Granted JPS5554446A (en) | 1978-06-15 | 1978-06-15 | Signal processing method of eddy-current check unit |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5554446A (ja) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59108956A (ja) * | 1982-12-14 | 1984-06-23 | Nippon Steel Corp | マルチプロ−ブ渦流深傷装置の出力電圧補正方法 |
JPS59108955A (ja) * | 1982-12-13 | 1984-06-23 | Nippon Steel Corp | マルチプロ−ブコイルマルチ周波数渦流探傷装置 |
JPS59166857A (ja) * | 1983-03-11 | 1984-09-20 | Nippon Steel Corp | マルチプロ−ブ、マルチ周波数渦流探傷装置の信号処理回路 |
-
1978
- 1978-06-15 JP JP7258578A patent/JPS5554446A/ja active Granted
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59108955A (ja) * | 1982-12-13 | 1984-06-23 | Nippon Steel Corp | マルチプロ−ブコイルマルチ周波数渦流探傷装置 |
JPH0441300B2 (ja) * | 1982-12-13 | 1992-07-07 | Nippon Steel Corp | |
JPS59108956A (ja) * | 1982-12-14 | 1984-06-23 | Nippon Steel Corp | マルチプロ−ブ渦流深傷装置の出力電圧補正方法 |
JPH0441301B2 (ja) * | 1982-12-14 | 1992-07-07 | Nippon Steel Corp | |
JPS59166857A (ja) * | 1983-03-11 | 1984-09-20 | Nippon Steel Corp | マルチプロ−ブ、マルチ周波数渦流探傷装置の信号処理回路 |
JPH0441302B2 (ja) * | 1983-03-11 | 1992-07-07 | Nippon Steel Corp |
Also Published As
Publication number | Publication date |
---|---|
JPS6253778B2 (ja) | 1987-11-12 |
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