US 11,871,201 B2
Speaker
Bo Xiao, Shenzhen (CN); Chenliang Kong, Shenzhen (CN); Tong Zhang, Shenzhen (CN); and Ronglin Linghu, Shenzhen (CN)
Assigned to AAC Microtech (Changzhou) Co., Ltd., Changzhou (CN)
Filed by AAC Microtech (Changzhou) Co., Ltd., Changzhou (CN)
Filed on Jun. 6, 2022, as Appl. No. 17/833,774.
Claims priority of application No. 202123302358.4 (CN), filed on Dec. 24, 2021.
Prior Publication US 2023/0209271 A1, Jun. 29, 2023
Int. Cl. H04R 9/02 (2006.01); H04R 9/06 (2006.01); H04R 1/02 (2006.01)
CPC H04R 9/025 (2013.01) [H04R 1/025 (2013.01); H04R 9/06 (2013.01)] 15 Claims
OG exemplary drawing
 
1. A speaker, comprising a housing, and a vibration system and a magnetic circuit unit that are received in the housing,
wherein the magnetic circuit unit comprises a lower clamp plate and a magnetic circuit assembly arranged on the lower clamp plate, a central area of the lower clamp plate abuts against a bottom wall of the housing, and an edge area of the lower clamp plate is spaced from the bottom wall of the housing, and
wherein the edge area of the lower clamp plate is provided with at least one flange portion bending and extending from the lower clamp plate toward the bottom wall of the housing, and the at least one flange portion abuts against the bottom wall of the housing.