US Patent Issued to TELEFONAKTIEBOLAGET LM ERICSSON on Dec. 23 for "Polarizer for parallel plate waveguides" (Swedish, Dutch Inventors)

ALEXANDRIA, Va., Dec. 23 -- United States Patent no. 12,506,275, issued on Dec. 23, was assigned to TELEFONAKTIEBOLAGET LM ERICSSON (PUBL) (Stockholm).

"Polarizer for parallel plate waveguides" was invented by Astrid Algaba Brazalez (Gothenburg, Sweden), Oscar Quevedo-Teruel (Stockholm), Nelson Fonseca (Noordwijk, Netherlands), Oskar Zetterstrom (Uppsala, Sweden), Lars Manholm (Gothenburg, Sweden), Martin Johansson (Molndal, Sweden) and Freysteinn Vidarsson (Gothenburg, Sweden).

According to the abstract* released by the U.S. Patent & Trademark Office: "A polarizing screen for altering a polarization state of a radio frequency waveform radiated from a parallel plate waveguide (PPW) wherein the waveform has a centre frequency and a bandwid...