ALEXANDRIA, Va., Nov. 11 -- United States Patent no. 12,468,009, issued on Nov. 11, was assigned to Nanning FuLian FuGui Precision Industrial Co. Ltd. (Nanning, China).
"Indoor positioning system and indoor positioning method" was invented by Mei-Yan Huang (Nanning, China) and Neng-Qian Yang (Nanning, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "An indoor positioning system includes: a wireless network device, configured to receive a positioning request initiated by positioning tag, and send a handshake communication request; a positioning headend, configured to communicate with the wireless network device and the positioning tag according to the handshake communication request, and collect radio wav...