ALEXANDRIA, Va., Nov. 25 -- United States Patent no. 12,479,440, issued on Nov. 25, was assigned to VOLVO TRUCK Corp. (Gothenburg, Sweden).
"Radar-triggered road friction estimation" was invented by Mats Rydstrom (Billdal, Sweden), Mats Jonasson (Partille, Sweden) and Adithya Arikere (Gothenburg, Sweden).
According to the abstract* released by the U.S. Patent & Trademark Office: "A computer implemented method for determining a road friction condition associated with at least one wheel on a heavy-duty vehicle includes transmitting a radar signal by at least one polarimetric radar transceiver towards a surface supporting the vehicle, and receiving backscatter from the transmitted radar signal, where the radar signal comprises a first polari...