US 12,456,787 B2
Multi-mode cavity filter and cavity filtering device
Fanghai Xu, Shenzhen (CN)
Assigned to SAMSUNG ELECTRONICS CO., LTD., Suwon-si (KR)
Filed by SAMSUNG ELECTRONICS CO., LTD., Suwon-si (KR)
Filed on Oct. 17, 2023, as Appl. No. 18/380,903.
Claims priority of application No. 202211677559.9 (CN), filed on Dec. 26, 2022.
Prior Publication US 2024/0213641 A1, Jun. 27, 2024
Int. Cl. H01P 1/207 (2006.01); H01P 1/202 (2006.01); H01P 1/208 (2006.01); H01P 7/06 (2006.01)
CPC H01P 1/207 (2013.01) [H01P 1/202 (2013.01); H01P 1/2082 (2013.01); H01P 7/06 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A multi-mode cavity filter comprising:
a metal cavity formed into a hollow shape; and
a plurality of resonators supported in suspension within the metal cavity and spaced from an inner wall of the metal cavity,
wherein the plurality of resonators comprises:
a first resonator configured to generate a first resonant frequency; and
a second resonator electrically connected to the first resonator and configured to generate one or more second resonant frequencies,
wherein the second resonator comprises a plurality of resonance plates, and
wherein the number of the one or more second resonant frequencies is associated with the number of the plurality of resonance plates.