ALEXANDRIA, Va., May 5 -- United States Patent no. 12,618,735, issued on May 5, was assigned to IFM Electronic GmbH (Essen, Germany).

"Method for monitoring the operation of a capacitive pressure measuring cell" was invented by Manfred Maurus (Bad Waldsee, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method for monitoring the operation of a capacitive pressure measuring cell which has a measuring capacitor (CM) and a reference capacitor (CR) is disclosed, where an internal excitation voltage UE0 is applied in the form of an alternating square-wave signal, and the pressure measured value p is obtained from the capacitance values of the measuring capacitor (CM) and the reference capacitor (CR). The...