System and method for defect detection by inducing acoustic...

Details System and method for defect detection by inducing acoustic... System and method for defect detection by inducing acoustic...

2007-04-03

2007-04-03

Porta, David (Department: 2884)

Radiant energy

Invisible radiant energy responsive electric signalling

Infrared responsive

C250S358100, C250S341100

Reexamination Certificate

active

11327898

ABSTRACT:
A defect detection system for thermally imaging a structure that has been energized by sound energy. The system includes a transducer that couples a sound signal into the structure, where the sound signal induces acoustic chaos in the structure that causes defects in the structure to heat up. In one embodiment, the transducer is a broadband transducer. A thermal imaging camera images the structure when it is heated by the sound signal.

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patent: 6128092 (2000-10-01), Levesque et al.
patent: 7057176 (2006-06-01), Rothenfusser et al.
patent: 7122801 (2006-10-01), Favro et al.
patent: 2002/0172410 (2002-11-01), Shepard

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