ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,746,363, issued on Sept. 29, was assigned to Brown University (Providence, R.I.) and EMMA PENDLETON BRADLEY HOSPITAL (East Providence, R.I.).

"Lighting system for circadian control and enhanced performance" was invented by Eliza Van Reen (East Greenwich, R.I.), Gustavo E. Fernandes (Providence, R.I.), Jingming Xu (Providence, R.I.) and Mary A. Carskadon (Providence, R.I.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Systems tune, control, or remediate the intrinsic Circadian clock. A light controller sets spectral distribution, intensity of a bioactive spectral band to shift or entrain circadian response to enhance performance and/or synchronize with ...