Method and apparatus for acoustic scanning using bulk wave scattering of bulk waves by an acoustic grating
US4329876A · kind A · utility
33Cited by
3References
31Claims
0Family size
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Key dates
| Filing date | Jun 3, 1980 |
| Grant date | May 18, 1982 |
| Priority date | — |
| Expiry date | Jun 3, 2000 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01N2291/0426
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
Electronically focused and automatically scanning acoustic bulk waves are produced by scattering chirp acoustic bulk waves at grazing incidence from an acoustic grating. The same apparatus may be used in reverse to convert diverging acoustic bulk waves produced by a focused beam into chirp acoustic bulk waves. A pulse compression filter then converts the chirp waves into signals describing the source.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.