ALEXANDRIA, Va., March 31 -- United States Patent no. 12,589,987, issued on March 31, was assigned to Knowles Electronics LLC (Itasca, Ill.).

"Microelectromechanical systems sensor with frequency dependent input attenuator" was invented by Michael Jennings (McKinney, Texas), Steven Boor (Plano, Texas) and Divya Kesharwani (Rolling Meadows, Ill.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A microelectromechanical systems (MEMS) sensor, a capacitive MEMS motor sensing circuit and a method are provided. The present application provides a microelectromechanical systems (MEMS) sensor. The MEMS sensor includes a housing having electrical contacts disposed on an exterior of the housing. The MEMS sensor further i...