ALEXANDRIA, Va., Dec. 31 -- United States Patent no. 12,510,671, issued on Dec. 30, was assigned to NEC Corp. (Tokyo).

"Surveillance system, information processing device, fall detection method, and non-transitory computer readable medium" was invented by Shinichi Miyamoto (Tokyo).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided are a surveillance system, an information processing device, a fall detection method, and a non-transitory computer readable medium capable of improving the accuracy of detecting a person who has fallen down in a railroad crossing. A surveillance system according to the present disclosure includes a LiDAR sensor (10) that emits a plurality of laser beams with different ranges t...