ALEXANDRIA, Va., July 14 -- United States Patent no. 12,681,055, issued on July 14, was assigned to DELTA ELECTRONICS INC. (Taoyuan City, Taiwan).

"Multi-path current difference detection device" was invented by Weite Huang (Taoyuan City, Taiwan).

According to the abstract* released by the U.S. Patent & Trademark Office: "A multi-path current difference detection device includes an induction component and a determination unit. The induction component induces a plurality of currents flowing through a plurality of paths, and calculates a net current value of a plurality of current values of the plurality of currents. The determination unit receives a current signal corresponding to the net current value, and provides a detection signal when...