ALEXANDRIA, Va., Sept. 10 -- United States Patent no. 12,412,972, issued on Sept. 9, was assigned to Telefonaktiebolaget LM Ericsson (publ) (Stockholm).
"Wideband balun arrangement" was invented by David Gustafsson (Savedalen, Sweden), Per Ingelhag (Alingsas, Sweden) and Mingquan Bao (Vastra Frolunda, Sweden).
According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure relates to a balun arrangement (14) comprising a slot (5) at least partially having a crossing slot width (ws, hs) running between a first longitudinal side (6) and a second longitudinal side (7) in at least a first metallization layer (2). The balun arrangement (14) further comprises an unbalanced first port (P1) that is defined betwe...