ALEXANDRIA, Va., April 9 -- United States Patent no. 12,273,848, issued on April 8, was assigned to Deeyook Location Technologies Ltd (Tel-Aviv, Israel).

"Interferometric location sensing" was invented by Eran Shpak (Tel Aviv, Israel).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method for signal processing includes receiving via first and second antennas (34) respective first and second input signals in response to an output signal that is transmitted from a wireless transmitter (27, 28, 30) and encodes a predefined sequence of symbols. A temporal correlation function is computed over the first and second input signals with respect to one or more of the symbols in the predefined sequence so as to identif...