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SYSTEMS AND METHODS FOR SENSING ENVIRONMENTAL CHANGES USING EMI SIGNAL SOURCES AS SENSORS

  • US 20150233998A1
  • Filed: 04/24/2015
  • Published: 08/20/2015
  • Est. Priority Date: 09/15/2011
  • Status: Abandoned Application
First Claim
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1. A method comprising:

  • operating an electromagnetic interference (EMI) signal source, wherein the signal source generates an EMI signal through internal operation of the signal source;

    receiving the EMI signal at a power line;

    identifying at least one frequency of the EMI signal for monitoring, wherein the at least one frequency is based on the internal operation of the signal source; and

    detecting an environmental change based on changes in the EMI signal and the at least one frequency.

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