ALEXANDRIA, Va., June 12 -- United States Patent no. 12,301,102, issued on May 13, was assigned to TEXAS INSTRUMENTS Inc. (Dallas).
"Power factor correction" was invented by Isaac Cohen (Dix Hills, N.Y.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A bridgeless power factor correction (PFC) control circuit includes a non-linear current sensor. The non-linear current sensor includes a non-linear shunt, a comparator, and a reference voltage circuit. The non-linear shunt includes a capacitor connection terminal and a ground terminal. The comparator includes a first input, a reference voltage input, and a zero-crossing detector output. The first is input coupled to the capacitor connection terminal. The referen...