US Patent Issued to MacDonald Dettwiler and Associates on Oct. 20 for "Tri-frequency feedchain and devices and methods for a tri-frequency feedchain" (Canadian Inventor)

ALEXANDRIA, Va., Oct. 21 -- United States Patent no. 12,770,999, issued on Oct. 20, was assigned to MacDonald Dettwiler and Associates Corp. (Sainte-Anne-de-Bellevue, Canada).

"Tri-frequency feedchain and devices and methods for a tri-frequency feedchain" was invented by Karim Glatre (Montreal).

According to the abstract* released by the U.S. Patent & Trademark Office: "Provided are apparatuses and methods for a tri-frequency feedchain configured to combine at least three frequency bands on a waveguide. The feedchain includes a turnstile configured to support two orthogonal fundamental modes and combine six filtered signals and a third signal and output the combined signal via an output port. The feedchain also includes at least six filte...