ALEXANDRIA, Va., Jan. 13 -- United States Patent no. 12,523,711, issued on Jan. 13, was assigned to ABB Schweiz AG (Baden, Switzerland).
"Triode for alternating current (TRIAC) detection in ground-fault, arc-fault, and dual fault circuit interrupters" was invented by Chandrashekar N (Hyderabad, India) and Hetul S. Patel (Waterford, Conn.).
According to the abstract* released by the U.S. Patent & Trademark Office: "A method for controlling a triode for alternating current (TRIAC), applied to a device, is provided. A voltage is connected to an anode of the TRIAC, and a scaled down voltage is fed into an analog-to-digital converter (ADC) pin of the device. The method includes (1) tracking the voltage at the anode of the TRIAC; (2) applying a...