US Patent Issued to ABL IP Holding on March 4 for "Low frequency output ripple cancelation for a power supply" (Mexican Inventors)

ALEXANDRIA, Va., March 5 -- United States Patent no. 12,244,220, issued on March 4, was assigned to ABL IP Holding LLC (Atlanta).

"Low frequency output ripple cancelation for a power supply" was invented by Eliseo Carcamo Olmos (Nuevo Leon, Mexico), Amin de la Cruz Oseguera (Nuevo Leon, Mexico) and Juan Antonio Aqui Tapia (Nuevo Leon, Mexico).

According to the abstract* released by the U.S. Patent & Trademark Office: "A method for reducing current ripple at an output of a power supply includes sensing an alternating current (AC) input voltage waveform; determining a correction factor for a switching frequency of the power supply based on the sensed AC input voltage; and applying the correction factor to the switching frequency of the powe...