JPS5424684A - Acoustic detector - Google Patents
Acoustic detectorInfo
- Publication number
- JPS5424684A JPS5424684A JP8964477A JP8964477A JPS5424684A JP S5424684 A JPS5424684 A JP S5424684A JP 8964477 A JP8964477 A JP 8964477A JP 8964477 A JP8964477 A JP 8964477A JP S5424684 A JPS5424684 A JP S5424684A
- Authority
- JP
- Japan
- Prior art keywords
- acoustic detector
- waves
- detecting sensitivity
- transducer
- acousto
- 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
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
Abstract
PURPOSE: To prevent drop of detecting sensitivity even for high frequency AE waves without reducing the diameter of transducer, eliminating the direction dependence of detecting sensitivity, by providing a protrusion on an acousto-electric transducer and receiving vibrating waves through the same.
COPYRIGHT: (C)1979,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8964477A JPS5424684A (en) | 1977-07-26 | 1977-07-26 | Acoustic detector |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8964477A JPS5424684A (en) | 1977-07-26 | 1977-07-26 | Acoustic detector |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5424684A true JPS5424684A (en) | 1979-02-24 |
Family
ID=13976470
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP8964477A Pending JPS5424684A (en) | 1977-07-26 | 1977-07-26 | Acoustic detector |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5424684A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4394187A (en) * | 1981-02-25 | 1983-07-19 | Sumitomo Metal Industries, Ltd. | Method of making steels which are useful in fabricating pressure vessels |
-
1977
- 1977-07-26 JP JP8964477A patent/JPS5424684A/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4394187A (en) * | 1981-02-25 | 1983-07-19 | Sumitomo Metal Industries, Ltd. | Method of making steels which are useful in fabricating pressure vessels |
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