ALEXANDRIA, Va., Oct. 28 -- United States Patent no. 12,457,475, issued on Oct. 28, was assigned to NIDA TECH SWEDEN AB (Malmo, Sweden).
"Wireless real time positioning system" was invented by Hakan Dackefjord (Alvsjo, Sweden).
According to the abstract* released by the U.S. Patent & Trademark Office: "A wireless real time positioning method and system, the system comprises multiple mesh tags (314, 414) and a target tag (310, 410), the method comprises: sending a broadcast message from the target tag (310, 410); receiving the broadcast message in each mesh tag (314, 414); measure a Received Signal Strength Indicator (RSSI) of the received broadcast message in each mesh tag (314, 414); transmitting the RSSI from each mesh tag (314, 414) to...