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Processes and apparatus for battery compensation

  • US 7,835,877 B2
  • Filed: 02/24/2006
  • Issued: 11/16/2010
  • Est. Priority Date: 02/24/2006
  • Status: Active Grant
First Claim
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1. A system having a signal conditioning module, the module including a non-volatile memory and the module having a non-transitory computer readable medium configured to:

  • receive signals from a controller contained in the system, the signals including a power ON signal;

    initiate a time-measurement element responsive to the power ON signal to assess a current duration of operation of the system;

    recall an existing cumulative record of system operation from the non-volatile memory;

    combine the existing cumulative record with the current duration to provide a representation of a running elapsed time;

    record the running elapsed time in the non-volatile memory;

    compare the running elapsed time to a threshold; and

    indicate when the running elapsed time has traversed the threshold.

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