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Thermostat with downcast light

  • US 10,140,821 B2
  • Filed: 02/03/2017
  • Issued: 11/27/2018
  • Est. Priority Date: 02/03/2017
  • Status: Active Grant
First Claim
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1. A method for indicating an operating mode of a device, comprising:

  • identifying a mode of operation of the device configured to automatically control a heating, ventilation, or air conditioning (HVAC) system;

    outputting a visual indication having a color based at least in part on the identified mode of operation, wherein the visual indication is projected onto a portion of a wall below a floor-facing side of a housing of a wall-mounted thermostat;

    determining that a climate control system associated with the mode of operation is currently heating or cooling a space;

    determining a duration since the climate control system began currently heating or cooling the space; and

    pulsing the visual indication to oscillate between a first output state and a second output state based at least in part on the climate control system associated with the mode of operation currently heating or cooling the space and the duration satisfying a time threshold, the first output state being brighter than the second output state.

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