ALEXANDRIA, Va., Aug. 6 -- United States Patent no. 12,379,233, issued on Aug. 5, was assigned to Advanced Energy Industries Inc. (Denver).
"Passive capacitance sensing" was invented by Donald Enzinna (Lockport, N.Y.).
According to the abstract* released by the U.S. Patent & Trademark Office: "Devices and methods for measuring capacitance of a load. A device may include a ground connector configured to couple to ground and an output connector configured to couple to the load. The device may include a direct current (DC) supply arranged in a conduction path between the ground connector and the output connector wherein the DC supply is configured to apply a DC voltage and noise voltage onto the conduction path. The device may include a volt...