ALEXANDRIA, Va., July 16 -- United States Patent no. 12,362,754, issued on July 15, was assigned to The Boeing Co. (Arlington, Va.).

"Phase locked loop using adaptive filter tuning for radiation hardening" was invented by Alfio Zanchi (Seattle) and Parham Khajeh Hesamaddin (Irvine, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A phase-locked loop is disclosed. The phase-locked loop includes a phase error detector, an event detector, a loop filter, and an oscillator. The phase error detector is configured to receive an input signal and a feedback signal and output a phase error signal. The event detector is configured to detect a loss of lock condition based on the phase error signal. The loop filter ...