US 12,244,047 B2
Radio frequency filters having a circuit board with multiple resonator heads, and resonator heads having multiple arms
Tero Kämäräinen, Tupos (FI); and Marko Tapani Uusitalo, Oulu (FI)
Assigned to CommScope Italy S.R.L., Agrate Brianza (IT)
Appl. No. 17/782,034
Filed by CommScope Italy S.R.L., Agrate Brianza (IT)
PCT Filed Dec. 2, 2020, PCT No. PCT/EP2020/084226
§ 371(c)(1), (2) Date Jun. 2, 2022,
PCT Pub. No. WO2021/110724, PCT Pub. Date Jun. 10, 2021.
Claims priority of provisional application 63/044,417, filed on Jun. 26, 2020.
Claims priority of provisional application 62/943,432, filed on Dec. 4, 2019.
Claims priority of application No. 102020000021256 (IT), filed on Sep. 8, 2020.
Prior Publication US 2023/0006323 A1, Jan. 5, 2023
Int. Cl. H01P 1/205 (2006.01); H01P 1/208 (2006.01)
CPC H01P 1/2053 (2013.01) [H01P 1/208 (2013.01)] 17 Claims
OG exemplary drawing
 
1. A filter device comprising:
a housing;
first resonator stalks inside the housing;
second resonator stalks inside the housing;
a first printed circuit board (PCB) on the first resonator stalks, the first PCB comprising a plurality of metal resonator heads that are electrically connected to the first resonator stalks, respectively;
a second PCB on the second resonator stalks; and
a wall inside the housing between the first resonator stalks and the second resonator stalks.