Patent ID: 9591717
Date: 2017-03-07
CPC Classifications: G06F,H05B

Claim:
1. An interface device for controlling at least one light source in an illumination region, said interface device comprising: a display comprising a screen, resistive disc, or capacitive disc; a target region displayed on the display, the target region comprising an outer edge and a center region; an indicator displayed at a location on the display, wherein the location of the indicator on the display is configured to be reversibly moveable from outside the target region to a plurality of different locations inside the target region by a user touching the display; and a controller configured to adjust an attribute of the at least one light source in the illumination region based on movement of the indicator from outside the target region to one of the plurality of different locations inside the target region by the user, wherein each of the plurality of different locations inside the target region is associated with a different preset adjustment of the attribute, and further wherein the amount of the adjustment of the attribute increases from a minimum at the outer edge to a maximum at the center region.