发明名称 |
Ultrasonic particulate identification |
摘要 |
A method of identifying discontinuities in a flow by transforming an ultrasonic pulse reflected from an unknown discontinuity into a frequency spectrum and comparing that spectrum with the spectra of known discontinuities.
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申请公布号 |
US4339944(A) |
申请公布日期 |
1982.07.20 |
申请号 |
US19800151834 |
申请日期 |
1980.05.21 |
申请人 |
MICRO PURE SYSTEMS, INC. |
发明人 |
ABTS, LEIGH R.;BEYER, ROBERT T. |
分类号 |
G01N29/02;G01N29/032;G01N29/34;(IPC1-7):G01N29/02 |
主分类号 |
G01N29/02 |
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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