ALEXANDRIA, Va., Dec. 31 -- United States Patent no. 12,509,345, issued on Dec. 30, was assigned to ROBERT BOSCH GMBH (Stuttgart, Germany).

"Microelectromechanical acoustic pressure-generating device with improved drive" was invented by Holger Conrad (Dresden, Germany) and Anartz Unamuno (Dresden, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "The invention generally relates to drives for microelectromechanical acoustic pressure-generating device, which may be implemented in a microelectromechanical system (MEMS). In some embodiments of the invention, the microelectromechanical acoustic pressure-generating device is implemented in a chip/die, e.g. in form of a System-on-Chip (SoC) or a System-in-Pack...