ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,451,006, issued on Oct. 21.

"Traffic signal control device" was invented by Seung-Hee Son (Seoul, South Korea).

According to the abstract* released by the U.S. Patent & Trademark Office: "A traffic signal control device according to an embodiment may include a location determination unit for determining a location of an emergency vehicle, and a traffic light management unit which causes a pedestrian traffic light in the vicinity of the emergency vehicle to output no-crossing information on a region displaying no-crossing information of the pedestrian traffic light, and transmits, to a traffic light controller, a traffic signal control command that causes information indicating an eme...