ALEXANDRIA, Va., Nov. 6 -- United States Patent no. 12,463,311, issued on Nov. 4, was assigned to KMW Inc. (Hwaseong-si, South Korea).
"RF filter assembly for antenna" was invented by Joung Hoe Kim (Hwaseong-si, South Korea) and Sang Yoong Kim (Hwaseong-si, South Korea).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present invention relates to an RF filter assembly for an antenna and, particularly, comprises: a plurality of band pass filters (BPFs); a filter board which is arranged to be stacked on the front surface of a main board and which mediate the coupling of the band pass filters for the front surface of the main board; low pass filters (LPFs) intaglio- or embossed-printed on front surface of the ...