US 12,452,608 B2
Double-sided speaker device
Yiming Meng, Changzhou (CN); Wei Liu, Changzhou (CN); Peilin Yang, Changzhou (CN); and Yanhao Feng, Changzhou (CN)
Assigned to AAC Microtech (Changzhou) Co., Ltd., Changzhou (CN)
Filed by AAC Microtech (Changzhou) Co., Ltd., Jiangsu (CN)
Filed on May 8, 2023, as Appl. No. 18/313,399.
Application 18/313,399 is a continuation of application No. PCT/CN2023/076316, filed on Feb. 16, 2023.
Prior Publication US 2024/0284115 A1, Aug. 22, 2024
Int. Cl. H04R 9/06 (2006.01); H04R 7/18 (2006.01); H04R 9/02 (2006.01)
CPC H04R 9/063 (2013.01) [H04R 7/18 (2013.01); H04R 9/025 (2013.01); H04R 2400/11 (2013.01)] 9 Claims
OG exemplary drawing
 
1. A double-sided speaker device, comprising:
a frame;
a first vibration unit and a second vibration unit respectively fixed to two opposite sides of the frame, wherein the first vibration unit comprises a first diaphragm fixed to the frame, and a first voice coil configured to drive the first diaphragm to vibrate to produce sound; and the second vibration unit comprises a second diaphragm fixed to the frame, and a second voice coil configured to drive the second diaphragm to vibrate to produce sound;
a magnetic circuit unit provided between the first vibration unit and the second vibration unit; and
a front cover fixed to the frame and provided under the first diaphragm, wherein the front cover and the first diaphragm are spaced apart from each other to form a first front cavity, and the frame comprises at least one sound leading channel penetrating the frame, wherein the at least one sound leading channel each comprises a first opening toward the first diaphragm and a second opening toward the second diaphragm, wherein the first opening communicates with the first front cavity, and the second opening is located at a periphery of the second diaphragm;
the frame comprises a first frame fixedly connected to the first diaphragm and a second frame fixedly connected to the second diaphragm and fixed with the first frame, and one sound leading channel of the at least one sound leading channel comprises a first sound leading channel and a second sound leading channel, wherein the first frame is provided with the first sound leading channel penetrating the first frame, the second frame is provided with the second sound leading channel penetrating the second frame, the first sound leading channel communicates with the first front cavity, and the first sound leading channel communicates with the second sound leading channel to form the one sound leading channel.