ALEXANDRIA, Va., June 16 -- United States Patent no. 12,307,166, issued on May 20, was assigned to Sonitor Technologies AS (Oslo, Norway).

"Acoustic positioning transmitter and receiver system and method" was invented by Wilfred Edwin Booij (Oslo, Norway), Knut Welle (Oslo, Norway), Mattheus Franciscus Albertus Ten Veldhuis (Oslo, Norway) and Fritjof Boger Engelhardtsen (Oslo, Norway).

According to the abstract* released by the U.S. Patent & Trademark Office: "An acoustic model determination approach for a real-time locating system is disclosed. The system includes one or more transmitting devices and one or more mobile devices. The acoustic model may be determined by deriving an acoustic representation of sub-structures within the buildi...