ALEXANDRIA, Va., July 28 -- United States Patent no. 12,692,150, issued on July 28, was assigned to ROBERT BOSCH GMBH (Stuttgart, Germany).

"Microelectromechanical loudspeaker with a large-area force field" was invented by Andreas Winden (Reutlingen, Germany), Bernhard Gehl (Wannweil, Germany), Daniel Maier (Leonberg, Germany) and Peter Engelhart (St. Johann, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "A microelectromechanical loudspeaker. The loudspeaker includes a substrate, a housing arranged on the substrate, and a cavity delimited by the housing and the substrate. The loudspeaker includes a translation device, which is arranged in the cavity so as to be movable and deflectable in a specified ...