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Method for controlling a tunable white fixture using a single handle

  • US 10,091,856 B2
  • Filed: 01/29/2018
  • Issued: 10/02/2018
  • Est. Priority Date: 05/18/2016
  • Status: Active Grant
First Claim
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1. A lighting fixture, comprising:

  • a controller configured for receiving one or more values from a handle having a range of positions divided into multiple zones, and for controlling a driver,the driver configured for controlling a plurality of LEDs to produce light output having a combination of parameters, andthe plurality of LEDs,wherein the controller is further configured for;

    determining whether a value received from the handle is within a first zone of the multiple zones;

    when the received value is within the first zone, determining a first combination of parameters including;

    i) a constant parameter that has a constant level within the first zone, wherein the constant parameter is either intensity or color temperature,ii) a variable parameter that has a first variable level, the first variable level dependent upon the value within the first zone, wherein the variable parameter is one of either the intensity or the color temperature that is not the constant parameter,iii) an additional parameter that has an additional variable level, the additional variable level dependent upon the value within the first zone,wherein the first combination of parameters has at least the constant level, the first variable level, and the additional variable level; and

    instructing the driver to control the plurality of LEDs to produce light output based on the first combination of parameters.

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