ALEXANDRIA, Va., Aug. 6 -- United States Patent no. 12,381,480, issued on Aug. 5, was assigned to Danmarks Tekniske Universitet (Kongens Lyngby, Denmark).
"AC-DC power converter with power factor correction" was invented by Ahmed Morsi Ammar (Kongens Lyngby, Denmark), Yasser A. A. Nour (Kongens Lyngby, Denmark) and Arnold Knott (Kongens Lyngby, Denmark).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention relates to an AC-DC power converter which includes a resonant DC-DC converter and a charge pump circuit. The charge pump circuit is configured to perform power factor correction of the AC-DC power converter by drawing current pulses at a switching frequency of the converter from an AC line vo...