发明名称 |
Time-variable bandwidth ultrasonic testing apparatus |
摘要 |
An ultrasonic nondestructive testing system of the pulse-echo type is disclosed including an echo-signal-translator exhibiting a bandwidth that is varied to achieve excellent near-surface resolution while affording deep inspection of an object under test.
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申请公布号 |
US4158308(A) |
申请公布日期 |
1979.06.19 |
申请号 |
US19770835506 |
申请日期 |
1977.09.22 |
申请人 |
AUTOMATION INDUSTRIES, INC. |
发明人 |
SHARPE, DONALD E.;VAN VALKENBURG, HOWARD E. |
分类号 |
G01N29/11;G01N29/34;G01S7/52;(IPC1-7):G01N29/04 |
主分类号 |
G01N29/11 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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