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THERMOSTAT WITH RING-SHAPED CONTROL MEMBER

  • US 20130099009A1
  • Filed: 09/21/2012
  • Published: 04/25/2013
  • Est. Priority Date: 11/19/2010
  • Status: Active Grant
First Claim
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1. A thermostat for controlling an HVAC system comprising:

  • a housing;

    a processing system disposed with in the housing;

    a rounded electronic display coupled to the processing system and mounted on the housing and adapted to display information to a user;

    a ring-shaped control member mounted on the housing so as to surround the rounded display and rotate about a central axis; and

    an optical sensor mounted within the housing and directed away from the central axis and toward a radially inward-facing surface of the ring-shaped control member, so as to detect optical signals indicating rotational movement of ring-shaped control member and generate electrical signals therefrom, wherein the processing system is adapted and configured to detect user input based on the electrical signals generated by the optical sensor.

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