ALEXANDRIA, Va., Sept. 17 -- United States Patent no. 12,419,195, issued on Sept. 16.

"Method and device for driving a piezoelectric device" was invented by Liat Keng Kang (Singapore) and William Tan (San Gabriel, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "There is presented a method for driving a piezoelectric device and an atomizer for atomizing a fluid, and an atomization method for a fluid using a piezoelectric device; the atomizer employs a piezoelectric device and circuitry that uses a switching voltage across the piezoelectric device at an operating frequency; sensing a sensed voltage corresponding to a phase of the piezoelectric device; and responsive to whether the sensed voltage is in ph...