Infrared defect detection via broad-band acoustics
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United States of America Patent
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Jun 20, 2006
Grant Date -
Nov 4, 2004
app pub date -
Apr 30, 2003
filing date -
Apr 30, 2003
priority date (Note) -
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Abstract
A method of detecting defects in structures, comprising the steps of inducing mechanical energy in a structure via the emission of a broad-band acoustic signal, and capturing over a time interval a plurality of images of the structure each of the plurality of images comprised of a plurality of pixels arranged in a plurality of rows and columns each indicative of an intensity of infrared energy emitted by a portion of the structure.
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