ALEXANDRIA, Va., June 6 -- United States Patent no. 12,283,929, issued on April 22, was assigned to Cirrus Logic Inc. (Austin, Texas).
"Audio amplifier circuitry" was invented by David P. Singleton (Edinburgh, Great Britain), Andrew J. Howlett (Edinburgh, Great Britain) and John B. Bowlerwell (Edinburgh, Great Britain).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure relates to circuitry comprising audio amplifier circuitry for receiving an audio signal to be amplified; and first and second output nodes for outputting first and second differential output signals. The circuitry further comprises common mode buffer circuitry configured to receive a common mode voltage and to selectively out...