US Patent Issued to Telefonaktiebolaget LM Ericsson on July 21 for "Electrical filter topology" (Swedish Inventors)

ALEXANDRIA, Va., July 21 -- United States Patent no. 12,689,406, issued on July 21, was assigned to Telefonaktiebolaget LM Ericsson (publ) (Stockholm).

"Electrical filter topology" was invented by Goran Syngg (Partille, Sweden) and Daniel Sjoberg (Molndal, Sweden).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure relates to an electrical filter arrangement including a transmitter port, a receiver port and an antenna port. The electrical filter arrangement further includes a transmitter filter connected to the first transmitter port and a receiver filter connected to the receiver port. The electrical filter arrangement further includes a four-port circulator device that is connected between...