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Acoustic signature testing for electronic, electromechanical, and mechanical equipment

  • US 20060229837A1
  • Filed: 03/31/2005
  • Published: 10/12/2006
  • Est. Priority Date: 03/31/2005
  • Status: Active Grant
First Claim
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1. A method for testing a unit, the unit including one or more of electrical, electronic, mechanical, and electromechanical components, said method comprising:

  • applying at least one stimulus to the unit;

    receiving sound emissions from the unit;

    converting the sound emissions into one or more acoustic signatures;

    comparing the acoustic signatures based on the received emissions to stored acoustic signatures expected as a result of the at least one stimulus; and

    determining a status for the unit based on the comparisons.

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