ALEXANDRIA, Va., July 21 -- United States Patent no. 12,689,288, issued on July 21, was assigned to FUJI ELECTRIC Co. LTD. (Kanagawa, Japan).

"Integrated circuit for power supply and power supply system" was invented by Tsuyoshi Yoshizawa (Matsumoto-city, Japan).

According to the abstract* released by the U.S. Patent & Trademark Office: "An integrated circuit for a power supply is provided that is connected to an AC power supply via an input circuit including a capacitor, comprising: a voltage dividing unit that divides an input voltage to generate a divided voltage; a shutoff detection unit that compares the divided voltage with a predetermined reference voltage to detect shutoff of the AC power supply; and a discharge unit that discharg...