ALEXANDRIA, Va., Sept. 23 -- United States Patent no. 12,419,617, issued on Sept. 23, was assigned to UNIVERSITE PARIS-SACLAY (Gif-sur-Yvette, France) and CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE (Paris).

"Device and synchronous method for supplying power to an ultrasound transducer" was invented by Ming Zhang (Fontenay-sous-Bois, France) and Nicolas Llaser (Fontenay-sous-Bois, France).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method and circuit for driving and supplying power to ultrasonic transducers with synchronous switched capacity, controlled by digital loop. This circuit includes a power interface controlled by a multi-level square or rectangular signal generator. This device includes a tuni...