US Patent Issued to Knowles Electronics on March 11 for "Capacitive sensor assembly and electrical circuit therefor" (Swiss Inventors)

ALEXANDRIA, Va., March 12 -- United States Patent no. 12,250,520, issued on March 11, was assigned to Knowles Electronics LLC (Itasca, Ill.).

"Capacitive sensor assembly and electrical circuit therefor" was invented by Shenjie Wang (Olten, Switzerland), Rene Scheuner (Gutenswil, Switzerland) and Mark Niederberger (Einsiedeln, Switzerland).

According to the abstract* released by the U.S. Patent & Trademark Office: "A capacitive sensor assembly is disclosed, including a capacitive motor coupled to a charge pump circuit via a low pass filter, and a frontend amplifier circuit having an input coupled to the capacitive motor interface and an output coupled to an output of the electrical circuit. An injection current source (ICS) is coupled to t...