ALEXANDRIA, Va., June 25 -- United States Patent no. RE50,468, issued on June 24, was assigned to Lutron Technology Co. LLC (Coopersburg, Pa.).
"Intelligent illumination device" was invented by David J. Knapp (Austin, Texas).
According to the abstract* released by the U.S. Patent & Trademark Office: "Intelligent illumination device are disclosed that use components in an LED light to perform one or more of a Wide variety of desirable lighting functions for very low cost. The LEDs that produce light can be periodically turned off momentarily, for example, for a duration that the human eye cannot perceive, in order for the light to receive commands optically. The optically transmitted commands can be sent to the light, for example, using a ...