US Patent Issued to SEMICONDUCTOR COMPONENTS INDUSTRIES on July 22 for "Frequency-dependent ground fault circuit interrupter" (Texas, Idaho Inventors)

ALEXANDRIA, Va., July 23 -- United States Patent no. 12,368,294, issued on July 22, was assigned to SEMICONDUCTOR COMPONENTS INDUSTRIES LLC (Scottsdale, Ariz.).

"Frequency-dependent ground fault circuit interrupter" was invented by Rishi Pratap Singh (Plano, Texas), Colton Jensen (Pocatello, Idaho), Yixin Song (Plano, Texas) and Seunghan Back (Allen, Texas).

According to the abstract* released by the U.S. Patent & Trademark Office: "Illustrative GFCI devices and methods maintain safety while reducing the risk of unnecessary interruptions. One illustrative GFCI circuit includes: a first operational amplifier configured to couple to a first current transformer that senses a net current through multiple power conductors, the first operationa...