ALEXANDRIA, Va., March 26 -- United States Patent no. 12,261,345, issued on March 25, was assigned to BEIJING BOE SENSOR TECHNOLOGY Co. LTD. (Beijing).

"Radio frequency device providing a transition unit for coupling a hollow waveguide to a differential pair transmission line having overlapping open loops" was invented by Arshad Mehmood (Darmstadt, Germany) and Alexander Gabler (Darmstadt, Germany).

According to the abstract* released by the U.S. Patent & Trademark Office: "A transition unit of a radio frequency device provides a transition between a planar differential pair transmission line and a hollow radio frequency waveguide. It comprises a substrate layer arrangement with a planar differential pair transmission line arranged on one...