ALEXANDRIA, Va., June 9 -- United States Patent no. 12,651,961, issued on June 9, was assigned to Huawei Technologies'Co.'Ltd.' (Shenzhen, China).
"Apparatus and method for limiting inrush current and extending hold-up time in an AC-DC power conversion apparatus" was invented by Luyu Wang (Shenzhen, China), Shuyu Ou (Shenzhen, China), Chao Wu (Dongguan, China), Wenbo Sun (Dongguan, China) and Grover Victor Torrico-Bascope (Kista, Sweden).
According to the abstract* released by the U.S. Patent & Trademark Office: "An AC-DC power converter has a power factor correction stage that receives grid power and produces DC bus power. A DC-DC converter stage receives the DC bus power and produces a DC output power. Energy storage is provided by a la...