ALEXANDRIA, Va., Oct. 8 -- United States Patent no. 12,439,494, issued on Oct. 7, was assigned to Lutron Technology Co. LLC (Coopersburg, Pa.).

"Measuring lighting levels using a visible light sensor" was invented by Craig Alan Casey (Coopersburg, Pa.), Brent Protzman (Easton, Pa.) and James P. Steiner (Royersford, Pa.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A visible light sensor may be configured to sense environmental characteristics of a space using an image of the space. The visible light sensor may be controlled in one or more modes, including a daylight glare sensor mode, a daylighting sensor mode, a color sensor mode, and/or an occupancy/vacancy sensor mode. In the daylight glare sensor mode, ...