US 12,225,347 B2
Sound-producing device
Zhen Wang, Shenzhen (CN); Lei Zhang, Shenzhen (CN); and Xin Qi, Shenzhen (CN)
Assigned to SHENZHEN SHOKZ CO., LTD., Shenzhen (CN)
Filed by SHENZHEN SHOKZ CO., LTD., Guangdong (CN)
Filed on Feb. 7, 2023, as Appl. No. 18/165,346.
Application 18/165,346 is a continuation of application No. PCT/CN2021/119308, filed on Sep. 18, 2021.
Claims priority of application No. PCT/CN2020/140815 (WO), filed on Dec. 29, 2020.
Prior Publication US 2023/0188897 A1, Jun. 15, 2023
Int. Cl. H04R 1/40 (2006.01); H04R 1/02 (2006.01); H04R 1/10 (2006.01); H04R 1/22 (2006.01); H04R 1/24 (2006.01); H04R 1/28 (2006.01); H04R 1/34 (2006.01); H04R 7/04 (2006.01); H04R 7/18 (2006.01); H04R 9/02 (2006.01); H04R 9/06 (2006.01)
CPC H04R 1/40 (2013.01) [H04R 1/023 (2013.01); H04R 1/1008 (2013.01); H04R 1/1075 (2013.01); H04R 1/1091 (2013.01); H04R 1/227 (2013.01); H04R 1/24 (2013.01); H04R 1/2846 (2013.01); H04R 1/2884 (2013.01); H04R 1/345 (2013.01); H04R 7/04 (2013.01); H04R 7/18 (2013.01); H04R 9/025 (2013.01); H04R 9/06 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A sound-producing device, comprising:
a diaphragm; and
a housing, wherein the housing includes a first sound guide hole and a second sound guide hole, the diaphragm is disposed in the housing, and the first sound guide hole and the second sound guide hole are respectively located on both sides of the diaphragm;
when a user wears the sound-producing device, a distance between the first sound guide hole and an ear canal opening of the user is smaller than a distance between the diaphragm and the ear canal opening of the user, an included angle between a connection line between the first sound guide hole and the second sound guide hole and a connection line between the center of mass of the diaphragm and the ear canal opening of the user is smaller than 45°, and a distance between the second sound guide hole and the ear canal opening of the user is greater than the distance between the diaphragm and the ear canal opening of the user.