ALEXANDRIA, Va., Sept. 24 -- United States Patent no. 12,745,057, issued on Sept. 22, was assigned to Origin Research Wireless Inc. (Rockville, Md.).

"Wireless based occupancy detection and activity monitoring" was invented by Sakila Sandeepani Jayaweera Samaranayake Arachchige Dona (Atlanta), Muhammed Zahid Ozturk (Rockville, Md.), Beibei Wang (McLean, Va.), Yuqian Hu (Sunnyvale, Calif.) and K. J. Ray Liu (Potomac, Md.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Examples for wireless based occupancy detection are described. In one example, a described method comprises: transmitting, by each of a plurality of transmitters, a respective wireless signal through a wireless channel of a venue; receiving, by a...