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Self-Diagnosing Transducers and Systems and Methods Therefor

  • US 20110029287A1
  • Filed: 07/28/2010
  • Published: 02/03/2011
  • Est. Priority Date: 07/31/2009
  • Status: Abandoned Application
First Claim
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1. A method, comprising:

  • monitoring a piezoelectric transducer for a change in capacitance of the piezoelectric transducer; and

    implementing, as a function of said monitoring, a baseline-free process to determine if a defect condition is present or if the change in capacitance is due to a change in temperature of the piezoelectric transducer.

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