US 11,950,045 B2
Sounding device
Tao Shao, Shenzhen (CN); Xudong Yan, Shenzhen (CN); and Xiaojiang Gu, 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. 17/833,743.
Claims priority of application No. 202111571517.2 (CN), filed on Dec. 21, 2021.
Prior Publication US 2023/0199371 A1, Jun. 22, 2023
Int. Cl. G10K 11/16 (2006.01); H04R 1/28 (2006.01); H04R 9/04 (2006.01); H04R 9/06 (2006.01)
CPC H04R 1/2811 (2013.01) [H04R 9/043 (2013.01); H04R 9/06 (2013.01); H04R 2400/11 (2013.01)] 9 Claims
OG exemplary drawing
 
1. A sounding device, comprising: a front side with a sound outlet hole; a back side; a sounding component comprising a sounding module having a first diaphragm disposed at an end of the sounding module close to the front side, and a second diaphragm disposed at an end of the sounding module close to the back side; an outer casing located outside the sounding component for forming a cavity between the outer casing and the end of the sounding component close to the back side; and a sound guiding channel formed in the outer casing, wherein one end of the sound guiding channel is communicated with the sound outlet hole, and the other end of the sound guiding channel is communicated with the cavity.