ALEXANDRIA, Va., Jan. 20 -- United States Patent no. 12,531,321, issued on Jan. 20, was assigned to SUZHOU LUXSHARE TECHNOLOGY Co. LTD. (Suzhou, China).
"Cavity filter" was invented by Wei Wang (Suzhou, China) and Xinghua Sun (Suzhou, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "The embodiments of the present disclosure disclose a cavity filter. An inner wall of a resonant cavity is provided with a plurality of non-coplanar extension sections inclined toward an outer wall; and meanwhile, each extension section gradually extends toward an end cover from a bottom shell. Thus, a volume of the resonant cavity is increased, making an insertion loss smaller; an outer dimension of the cavity filter is furth...