发明名称 |
Piezoelectric acoustic emission instrumentation |
摘要 |
A detector of acoustic emissions from a structure includes a piezoelectric element responsive to both compressional wave energy and to shear wave energy from any direction so that the source of the acoustic emission may be determined.
|
申请公布号 |
US4088907(A) |
申请公布日期 |
1978.05.09 |
申请号 |
US19760736799 |
申请日期 |
1976.10.29 |
申请人 |
WESTINGHOUSE ELECTRIC CORP. |
发明人 |
JONES, CHARLES H.;DOUGLAS, GEORGE R. |
分类号 |
G01P15/09;B06B1/06;G01H11/08;G01N29/14;G01N29/24;G01P15/18;H01L41/00;(IPC1-7):H01L41/04 |
主分类号 |
G01P15/09 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|