ALEXANDRIA, Va., June 12 -- United States Patent no. 12,301,182, issued on May 13, was assigned to Skyworks Solutions Inc. (Irvine, Calif.).
"Class-D amplifier for reducing audio distortion" was invented by Mark R. Peting (Yamhill, Ore.), Eric Thomas King (San Jose, Calif.) and Taehwan Oh (Portland, Ore.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A class-D amplifier having an output driver with a first, second, and third driver, the output driver having a first output coupled to the first and third drivers, a second output coupled to the second driver; a sensing resistor coupled in series between the first driver and the first output; and a pulse width modulation (PWM) controller coupled to the inputs of...