ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,431,894, issued on Sept. 30, was assigned to Cirrus Logic Inc. (Austin, Texas).
"Driver circuitry" was invented by John P. Lesso (Edinburgh, Great Britain) and John L. Melanson (Edinburgh, Great Britain).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure relates to switching drivers for driving a transducer. A switching driver (202) has supply nodes for receiving supply voltages (VSH, VSL) defining at least one input voltage and an output node (104). A controller (205) controls operation of the first switching driver to generate a drive signal for the transducer at the output node (104), based on an input signal (Sin). A first capacit...