ALEXANDRIA, Va., March 24 -- United States Patent no. 12,588,120, issued on March 24, was assigned to GM GLOBAL TECHNOLOGY OPERATIONS LLC (Detroit).

"Method and system of active color cancellation in transition zones of multi-color lighting systems" was invented by Joseph Mitchell (Troy, Mich.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method includes receiving data indicating at least two different base colors to be respectively emitted from base lights on opposite sides of at least one transition light of a light array. Each light of the light array has adjustable colors and is covered by one or more light guides, and receiving data of a target color between the two base colors in at least one coordi...