ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,442,838, issued on Oct. 14, was assigned to Tektronix Inc. (Beaverton, Ore.).
"Current monitor combining a shunt resistor with a Rogowski coil" was invented by Daniel G. Knierim (Beaverton, Ore.) and David L. Knierim (Wilsonville, Ore.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A current measurement device includes a shunt having sense leads, the shunt configured to be located in a current path for a current to be measured, and a Rogowski coil at least partially wrapped around the shunt, the current measuring device configured to combine signals from the shunt and the Rogowski coil. A current measurement device includes a shunt having sense leads co...