Method for determining the location of impacts by acoustic imaging
US8692810B2 · kind B2 · utility
49Cited by
12References
18Claims
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Key dates
| Filing date | Apr 13, 2005 |
| Grant date | Apr 8, 2014 |
| Priority date | — |
| Expiry date | Dec 28, 2028 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01N29/50
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A method for determining the location of an impact on a surface (1) comprising N acoustic sensors (2a, 2b, 2c), transmitting a sensed signal si(t) to a processing unit (4) comprises the following steps (a) computing P intercorrelation products (b) calculating P inverse Fourier transforms p′ij (u) (c) computing for each area k, Pk(u)=ΣP′ij (u−τijk); d) finding k0, where a characterizing value of Pk0 (u) is greater than a given threshold value.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.