ALEXANDRIA, Va., July 7 -- United States Patent no. 12,676,467, issued on July 7, was assigned to Dongguan Tuccheng Industrial Co. Ltd (Dongguan, China).
"Power cord photocoupler leakage current detection interrupter (LCDI) and electrical appliance using same" was invented by Juntuo Yang (Dongguan, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "A power cord photocoupler leakage current detection interrupter (LCDI) includes: a switch unit provided between an input terminal and an output terminal, and configured to control the input terminal and the output terminal to turn on or off; a leakage current detection line wrapped with a power cord connected between the switch unit and the output terminal, and ...