ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,445,098, issued on Oct. 14, was assigned to Cirrus Logic Inc. (Austin, Texas).

"Switching amplifier circuitry" was invented by Matthew Beardsworth (Austin, Texas) and John L. Melanson (Austin, Texas).

According to the abstract* released by the U.S. Patent & Trademark Office: "Switching amplifier circuitry for driving an inductive load, the switching amplifier circuitry comprising modulator circuitry and output stage circuitry, wherein the switching amplifier circuitry is configured to: while the modulator circuitry is outputting a modulated output signal that gives rise to ripple current in the load: adjust a switching frequency of the modulator circuitry over a predetermined range o...