JPS5644843A - Measuring device of acoustic emission - Google Patents
Measuring device of acoustic emissionInfo
- Publication number
- JPS5644843A JPS5644843A JP12089079A JP12089079A JPS5644843A JP S5644843 A JPS5644843 A JP S5644843A JP 12089079 A JP12089079 A JP 12089079A JP 12089079 A JP12089079 A JP 12089079A JP S5644843 A JPS5644843 A JP S5644843A
- Authority
- JP
- Japan
- Prior art keywords
- signal
- light
- optical fiber
- main amplifier
- preamplifier
- 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
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12089079A JPS5644843A (en) | 1979-09-21 | 1979-09-21 | Measuring device of acoustic emission |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12089079A JPS5644843A (en) | 1979-09-21 | 1979-09-21 | Measuring device of acoustic emission |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5644843A true JPS5644843A (en) | 1981-04-24 |
Family
ID=14797508
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP12089079A Pending JPS5644843A (en) | 1979-09-21 | 1979-09-21 | Measuring device of acoustic emission |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5644843A (ja) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59194062U (ja) * | 1983-06-08 | 1984-12-24 | 三菱重工業株式会社 | 超音波探傷信号時分割多重伝送装置 |
JPS61103615A (ja) * | 1984-10-24 | 1986-05-22 | Kobe Steel Ltd | 被搬送物の積載ピツチ縮小方法並びにその縮小装置 |
JPS62111658U (ja) * | 1985-12-28 | 1987-07-16 | ||
JPH0439210A (ja) * | 1990-06-01 | 1992-02-10 | Tanaka Kinokoen:Kk | 荷物整列方法 |
JPH0495941U (ja) * | 1990-05-31 | 1992-08-19 | ||
KR100338529B1 (ko) * | 1999-09-22 | 2002-05-27 | 김영진 | 광섬유 외팔보의 공진을 이용한 음향방출 센서 |
-
1979
- 1979-09-21 JP JP12089079A patent/JPS5644843A/ja active Pending
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59194062U (ja) * | 1983-06-08 | 1984-12-24 | 三菱重工業株式会社 | 超音波探傷信号時分割多重伝送装置 |
JPS61103615A (ja) * | 1984-10-24 | 1986-05-22 | Kobe Steel Ltd | 被搬送物の積載ピツチ縮小方法並びにその縮小装置 |
JPS62111658U (ja) * | 1985-12-28 | 1987-07-16 | ||
JPH0495941U (ja) * | 1990-05-31 | 1992-08-19 | ||
JPH0439210A (ja) * | 1990-06-01 | 1992-02-10 | Tanaka Kinokoen:Kk | 荷物整列方法 |
KR100338529B1 (ko) * | 1999-09-22 | 2002-05-27 | 김영진 | 광섬유 외팔보의 공진을 이용한 음향방출 센서 |
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