ALEXANDRIA, Va., Aug. 20 -- United States Patent no. 12,395,002, issued on Aug. 19, was assigned to GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP. LTD. (Dongguan, China) and POWERLAND TECHNOLOGY INC. (Nanjing, China).
"Adapter and charging method" was invented by Chen Tian (Dongguan, China), Feng Ji (Nanjing, China) and Jialiang Zhang (Dongguan, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "Provided are an adapter and a charging method. The adapter includes: at least one filter capacitor (210) having a capacitance smaller than a predetermined threshold and configured to filter a rectified alternating current to obtain a pulsating direct current; and a voltage transformation module (220) configured to ...