US 12,463,312 B2
Cavity filter and manufacturing method therefor
Jae Hong Kim, Yongin-si (KR); Sung Ho Jang, Yongin-si (KR); Bo Sung Kim, Hwaseong-si (KR); and Kyoung Hun Ko, Hwaseong-si (KR)
Assigned to KMW INC., Hwaseong-si (KR)
Filed by KMW INC., Hwaseong-si (KR)
Filed on Aug. 19, 2022, as Appl. No. 17/891,317.
Application 17/891,317 is a continuation of application No. PCT/KR2021/002048, filed on Feb. 18, 2021.
Claims priority of application No. 10-2020-0020790 (KR), filed on Feb. 20, 2020; and application No. 10-2021-0021134 (KR), filed on Feb. 17, 2021.
Prior Publication US 2022/0393325 A1, Dec. 8, 2022
Int. Cl. H01P 1/208 (2006.01); H01P 11/00 (2006.01)
CPC H01P 1/208 (2013.01) [H01P 11/002 (2013.01)] 18 Claims
OG exemplary drawing
 
1. A cavity filter comprising:
a first cavity and a second cavity arranged adjacent to each other and sharing a common wall therebetween;
a first resonant bar disposed in the first cavity and a second resonant bar disposed in the second cavity, each of the first and second resonant bars extending in a longitudinal direction parallel to the common wall; and
a coupling post extending from the first resonant bar toward the common wall in a direction perpendicular to the longitudinal direction,
wherein the first resonant bar and the coupling post are integrally formed as a single body.