ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,446,125, issued on Oct. 14, was assigned to ZODIAC POOL SYSTEMS LLC (Carlsbad, Calif.).

"Lighting system control using integrated control device especially useful for lights of swimming pools and spas" was invented by Hwa Heng (Carlsbad, Calif.), Barton Lu (Shanghai) and Ricky Lo (Carlsbad, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Methods and systems described herein provide control of a lighting system, such as a pool lighting system. The pool lighting system includes an integrated control device that includes both a transformer and a controller. Lighting devices are powered by power from the transformer using power lines and controlled us...