ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,452,971, issued on Oct. 21, was assigned to LMPG Inc. (Longueuil, Canada).
"Emulated white LED in a color-changing lighting fixture" was invented by Guillaume Boucher (Quebec, Canada) and Nicolas Paquin (L'Ancienne-Lorette, Canada).
According to the abstract* released by the U.S. Patent & Trademark Office: "Correlated color control (CCT) of a white channel in a color changing lighting fixture is performed by mixing red, green, blue and white light sources. The CCT of the white channel configured or corrected and maintained even while mixing the white channel with the very color channels that are used to configure or correct it. A processing unit uses mathematical models of the light ...