公开(公告)号：US20240348967A1

公开(公告)日：2024-10-17

申请号：US18037122

申请日：2022-12-08

Applicant: Honor Device Co., Ltd.

Inventor： Chuanguo Wang ,  Chienfeng Yeh ,  Yunhai Li ,  Haihong Zhang ,  Yonghua Zhang

IPC: H04R1/10 ,  H04R1/24 ,  H04R9/02 ,  H04R9/06 ,  H04R17/00

CPC classification number: H04R1/1075 ,  H04R1/1016 ,  H04R1/1083 ,  H04R1/24 ,  H04R9/025 ,  H04R9/06 ,  H04R17/00 ,  H04R2460/01

Abstract: An earphone, including: a housing, a first speaker unit, a second speaker unit. The housing has a sound output hole. The first speaker unit and the second speaker unit are separately independently fastened in the housing. The first speaker unit produces a sound toward the sound output hole. The second speaker unit is located on a side that is of the first speaker unit and that is away from the sound output hole and is spaced apart from the first speaker unit. A sound production frequency of the second speaker unit is smaller than a sound production frequency of the first speaker unit. A cavity is enclosed by the first speaker unit, the second speaker unit, and an inner wall of the housing, the cavity serves as a front cavity of the second speaker unit, and the front cavity communicates with the sound output hole through a sound output channel.