ALEXANDRIA, Va., June 16 -- United States Patent no. 12,306,355, issued on May 20, was assigned to GM Global Technology Operations LLC (Detroit).

"Object height estimation using ultrasonic sensors" was invented by Michael Baltaxe (Kfar Saba, Israel), Michael Slutsky (Kefar-Saba, Israel), Ariel Rubanenko (Hod Hasharon, Israel) and Dan Levi (Ganei Tikvah, Israel).

According to the abstract* released by the U.S. Patent & Trademark Office: "A disclosure is presented for estimating height of an object using ultrasonic sensors carried onboard a vehicle. The height may be estimated by generating ultrasonic distance measurements based on a time of flight associated with ultrasonic reflections detected with the ultrasonic sensors, generating a thr...