Patent 12024300 was granted and assigned to Lockheed Martin Corporation on July, 2024 by the United States Patent and Trademark Office.
A system including an apparatus for determining the presence of ice on an external surface of a structure is provided. The apparatus includes a sensor that includes first and second parallel ink or paint conductive traces separated by a gap. The apparatus also includes a circuit configured to measure the impedance or change in impedance between the first and second parallel ink or paint conductive traces.