ALEXANDRIA, Va., April 15 -- United States Patent no. 12,603,214, issued on April 14, was assigned to AMOGREENTECH Co. LTD. (Gimpo-si, South Korea).
"Common mode filter" was invented by Sang Il Kil (Gimpo-si, South Korea), Chun Gul Lee (Gimpo-si, South Korea) and Seon Oh Kim (Gimpo-si, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "A common mode filter is provided. A common mode filter according to an exemplary embodiment of the present invention comprises: a ring-shaped magnetic core made of a magnetic material and installed so as to be positioned in an arrangement hole which is formed through a circuit board in a predetermined area; a plurality of coils wound around an outer surface of the magn...