ALEXANDRIA, Va., Sept. 17 -- United States Patent no. 12,416,533, issued on Sept. 16, was assigned to IFM Electronic GmbH (Essen, Germany).
"Method for monitoring the function of a capacitive pressure measurement cell" was invented by Manfred Maurus (Bad Waldsee, Germany) and Peter Kimbel (Tettnang, Germany).
According to the abstract* released by the U.S. Patent & Trademark Office: "The invention relates to a method for monitoring the function of a capacitive pressure measurement cell (10) which has a measuring capacitor (CM) and a reference capacitor (CR), to which an internal excitation voltage UE0 in the form of an alternating square-wave signal is applied. According to the invention, in order to allow the detection of a disturbing in...