ALEXANDRIA, Va., Jan. 13 -- United States Patent no. 12,521,758, issued on Jan. 13, was assigned to Cirrus Logic Inc. (Austin, Texas).

"Driver circuitry for piezoelectric transducers" was invented by John Paul Lesso (Edinburgh, Great Britain) and Toru Ido (Kanagawa, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure relates to driver circuitry for driving a piezoelectric transducer. The circuitry comprises: a power supply; a reservoir capacitance; switch network circuitry; and control circuitry. The control circuitry is configured to control operation of the switch network circuitry so as to charge the reservoir capacitance from the power supply and to transfer charge between the res...