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USER-FRIENDLY, NETWORK CONNECTED LEARNING THERMOSTAT AND RELATED SYSTEMS AND METHODS

  • US 20130173064A1
  • Filed: 10/19/2012
  • Published: 07/04/2013
  • Est. Priority Date: 10/21/2011
  • Status: Active Grant
First Claim
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1. A programmable device for controlling an HVAC system, the device comprising:

  • high-power consuming circuitry adapted and programmed to perform while in an active state a plurality of high power activities including interfacing with a user, the high-power consuming circuitry using substantially less power while in an inactive state;

    low-power consuming circuitry adapted and programmed to perform a plurality of low power activities;

    power stealing circuitry adapted to harvest power from an HVAC triggering circuit for turning on and off an HVAC system function; and

    a power storage medium adapted to store power harvested by the power stealing circuitry for use by at least the high-power consuming circuitry such that the high-power consuming circuitry can temporarily operate in an active state while using energy at a greater rate than can be safely harvested by the power stealing circuitry without inadvertently switching the HVAC function.

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