US 12,457,455 B2
Speaker module
Chao Zhang, Changzhou (CN)
Assigned to AAC Microtech (Changzhou) Co., Ltd., Changzhou (CN)
Filed by AAC Microtech (Changzhou) Co., Ltd., Jiangsu (CN)
Filed on Nov. 22, 2023, as Appl. No. 18/518,409.
Application 18/518,409 is a continuation of application No. PCT/CN2023/096714, filed on May 29, 2023.
Prior Publication US 2024/0406638 A1, Dec. 5, 2024
Int. Cl. H04R 9/06 (2006.01); H04R 7/04 (2006.01)
CPC H04R 9/06 (2013.01) [H04R 7/04 (2013.01)] 9 Claims
OG exemplary drawing
 
1. A speaker module comprising:
a housing, having a receiving space;
a speaker unit received in the receiving space, comprising:
a frame,
a magnet system having a magnetic gap, comprising:
a yoke fixed to the frame; and
a first magnet fixed to the yoke;
a vibration system mounted on the frame, comprising:
a diaphragm fixed to the frame; and
a coil fixed to the diaphragm and inserted into the magnetic gap;
a connector surrounding the yoke and configured to connect the yoke with frame; wherein
the housing comprises an upper cover enclosing a front cavity with the diaphragm, a bottom cover fixed to the yoke, and a side wall enclosing the receiving space with the upper cover and the bottom cover; an inner cavity isolated from the front cavity is jointly enclosed by the yoke, the connector, the frame, and the diaphragm; a surface of the yoke away from the first magnet is fixed to the bottom cover.