US 12,328,109 B2
Filter circuit and electronic device
Qilin Shi, Anhui (CN); Chengjie Zuo, Anhui (CN); and Jun He, Anhui (CN)
Assigned to Anhui ANUKI Technologies Co., Ltd., Anhui (CN)
Appl. No. 18/022,053
Filed by ANHUI ANUKI TECHNOLOGIES CO., LTD., Anhui (CN)
PCT Filed Apr. 11, 2022, PCT No. PCT/CN2022/086074
§ 371(c)(1), (2) Date Feb. 17, 2023,
PCT Pub. No. WO2023/087606, PCT Pub. Date May 25, 2023.
Claims priority of application No. 202111360685.7 (CN), filed on Nov. 17, 2021.
Prior Publication US 2024/0275355 A1, Aug. 15, 2024
Int. Cl. H03H 9/02 (2006.01); H03H 1/00 (2006.01); H03H 7/01 (2006.01)
CPC H03H 9/02818 (2013.01) [H03H 1/0007 (2013.01); H03H 7/0161 (2013.01); H03H 9/02086 (2013.01)] 12 Claims
OG exemplary drawing
 
1. A filter circuit, wherein the filter circuit comprises a filter and a suppression ring, wherein;
the suppression ring is arranged around a periphery of the filter; and
the filter comprises several grounded ports, each of the grounded ports is electrically connected to the suppression ring, and each of the grounded ports is grounded,
wherein the filter circuit further comprises several inductors, each of the inductors is provided outside the suppression ring in a circumferential direction, and each of the grounded ports is grounded through one of the inductors.