ALEXANDRIA, Va., March 26 -- United States Patent no. 12,257,601, issued on March 25, was assigned to Cirrus Logic Inc. (Austin, Texas).
"Driver circuitry and operation" was invented by Axel Thomsen (Austin, Texas), Eric J. King (Austin, Texas), Anthony S. Doy (Los Gatos, Calif.), Thomas H Hoff (Austin, Texas) and John L. Melanson (Austin, Texas).
According to the abstract* released by the U.S. Patent & Trademark Office: "This application relates to methods and apparatus for driving a transducer with switching drivers. A driver circuit has first and second switching drivers for driving the transducer in a bridge-tied-load configuration, each of the switching drivers having a respective output stage for controllably switching the respectiv...