US Patent Issued to Amber Semiconductor on Oct. 6 for "Ground fault detection in AC systems using digital signal processing" (California Inventors)

ALEXANDRIA, Va., Oct. 6 -- United States Patent no. 12,756,175, issued on Oct. 6, was assigned to Amber Semiconductor Inc. (Dublin, Calif.).

"Ground fault detection in AC systems using digital signal processing" was invented by Mark Telefus (Orinda, Calif.), Harry Rodriguez (San Jose, Calif.) and Suhail Zain (San Ramon, Calif.).

According to the abstract* released by the U.S. Patent & Trademark Office: "A device comprises current sense circuitry, analog-to-digital converter circuitry, and digital signal processing circuitry. The current sense circuitry is configured to sense a first current flowing in a first wire and a second current flowing in a second wire, the first and second wires being configured to supply AC power to a load couple...