ALEXANDRIA, Va., Dec. 31 -- United States Patent no. 12,510,621, issued on Dec. 30, was assigned to Sonitor Technologies AS (Oslo, Norway).
"Positioning using cost terms" was invented by Wilfred Edwin Booij (Oslo, Norway), Cyril Antille (Oslo, Norway) and Hans Magnus Ewald (Oslo, Norway).
According to the abstract* released by the U.S. Patent & Trademark Office: "In a positioning system, a plurality of transmitter units (2, 3, 4, 5) transmit respective locating signals which are received at a mobile receiver unit (7). A processing system (7; 9) identifies the transmitter unit that transmitted each locating signal, and determines, for each transmitter unit, range data representative of a respective distance between the transmitter unit and...