US 12,439,197 B2
Earphone
Chuanguo Wang, Shenzhen (CN); Chienfeng Yeh, Shenzhen (CN); Yunhai Li, Shenzhen (CN); Haihong Zhang, Shenzhen (CN); and Yonghua Zhang, Shenzhen (CN)
Assigned to HONOR DEVICE CO., LTD., Shenzhen (CN)
Appl. No. 18/037,122
Filed by Honor Device Co., Ltd., Shenzhen (CN)
PCT Filed Dec. 8, 2022, PCT No. PCT/CN2022/137672
§ 371(c)(1), (2) Date May 16, 2023,
PCT Pub. No. WO2023/160114, PCT Pub. Date Aug. 31, 2023.
Claims priority of application No. 202210191140.6 (CN), filed on Feb. 28, 2022.
Prior Publication US 2024/0348967 A1, Oct. 17, 2024
Int. Cl. H04R 1/10 (2006.01); H04R 1/24 (2006.01); H04R 9/02 (2006.01); H04R 9/06 (2006.01); H04R 17/00 (2006.01)
CPC H04R 1/1075 (2013.01) [H04R 1/1016 (2013.01); H04R 1/1083 (2013.01); H04R 1/24 (2013.01); H04R 9/025 (2013.01); H04R 9/06 (2013.01); H04R 17/00 (2013.01); H04R 2460/01 (2013.01)] 20 Claims
OG exemplary drawing
 
1. An earphone, comprising:
a housing, wherein a sound output hole extends in the housing;
a bracket; and
a first speaker and a second speaker, wherein the first speaker and the second speaker are separately and independently fastened in the housing, the first speaker produces a sound toward the sound output hole, the second speaker is located on a side of the first speaker that faces away from the sound output hole and is spaced apart from the first speaker, a sound production frequency of the second speaker is lower than a sound production frequency of the first speaker, and the first speaker is annular to define a sound output channel;
wherein the bracket is located between the first speaker and the sound output hole, the first speaker is fastened in the housing using the bracket, the bracket comprises an annular fixing portion, an outer peripheral edge of the first speaker is fastened on an inner peripheral surface of the housing by using the annular fixing portion, a first step is on the inner peripheral surface of the housing, and the annular fixing portion is supported and fastened on the first step; and
wherein a cavity is defined by the first speaker, the second speaker, and an inner wall of the housing, the cavity serves as a front cavity of the second speaker, and the front cavity communicates with the sound output hole through the sound output channel.