ALEXANDRIA, Va., Nov. 25 -- United States Patent no. 12,482,351, issued on Nov. 25, was assigned to NEC Corp. (Tokyo).
"Signal control apparatus, signal control method and program" was invented by Nobuyuki Tozawa (Tokyo) and Satoshi Kimura (Tokyo).
According to the abstract* released by the U.S. Patent & Trademark Office: "A signal control apparatus is connected to a plurality of traffic signals located on a road with a plurality of intersections having travel lanes with designated traffic classifications. The signal control apparatus comprises: means for detecting the number of vehicles staying in the travel lane or lanes of the same traffic classification among the travel lanes of the plurality of intersections; means for determining wh...