ALEXANDRIA, Va., May 12 -- United States Patent no. 12,627,022, issued on May 12, was assigned to Nokia Solutions and Networks Oy (Espoo, Finland).
"Resonator" was invented by Efstratios Doumanis (Helsinki).
According to the abstract* released by the U.S. Patent & Trademark Office: "A resonator is described including: a first part of a metal cavity; a first ring extending from the first part of the metal cavity, wherein at least part of an external surface of the first supporting ring is coated with a first metal coating that provides an electrical connection to the metal cavity; a second part of the metal cavity; and a ceramic ring extending from the second part of the metal cavity. At least part of an external surface of the ceramic rin...