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THROUGH-STACK COMMUNICATION METHOD FOR FUEL CELL MONITORING CIRCUITS

  • US 20120019252A1
  • Filed: 07/20/2010
  • Published: 01/26/2012
  • Est. Priority Date: 07/20/2010
  • Status: Active Grant
First Claim
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1. A system for monitoring fuel cells in a fuel cell group, said system comprising:

  • at least one sensor circuit for monitoring a condition of the fuel cells in the fuel cell group;

    a tone generator for applying a frequency signal to the cell group if the sensor detects the condition; and

    a tone decoder for detecting the frequency signal from the cell group generated by the tone generator.

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