×

CONTROL DEVICE HAVING BUTTONS WITH AUTOMATICALLY ADJUSTABLE BACKLIGHTING

  • US 20180124894A1
  • Filed: 12/28/2017
  • Published: 05/03/2018
  • Est. Priority Date: 05/26/2015
  • Status: Active Grant
First Claim
Patent Images

1. A method for controlling the illumination intensity of multiple locations of a control device, the method comprising:

  • controlling a first light source of the control device to illuminate a first location of the control device to a first surface illumination intensity;

    controlling a second light source of the control device to illuminate a second location of the control device to a second surface illumination intensity, the second surface illumination intensity being less than the first surface illumination intensity;

    storing a first adjustment curve and a second adjustment curve in a memory of the control device;

    determining an ambient light level that is indicative of the ambient light in a vicinity around the control device;

    adjusting the first surface illumination intensity in response to the ambient light level using the first adjustment curve; and

    adjusting the second surface illumination intensity in response to the ambient light level using the second adjustment curve.

View all claims
  • 1 Assignment
Timeline View
Assignment View
    ×
    ×