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1. 发明公开

EP4418684A1 EARPHONE AND TERMINAL DEVICE 审中-公开
公开(公告)号：EP4418684A1
公开(公告)日：2024-08-21
申请号：EP22914172.6
申请日：2022-12-09
申请人： Huawei Technologies Co., Ltd.
发明人： ZHANG, Tienan , LIU, Cunshuai , XU, Chao , ZHANG, Qiang , LU, Lin
IPC分类号： H04R1/10
CPC分类号： H04R1/24 , H04R1/22 , H04R1/10 , H04R19/00
摘要： This application provides an earphone and a terminal device. The earphone includes a housing. There is a cavity structure in the housing, and a sound output port communicating with the cavity structure is provided on the housing; a first sound production unit, a second sound production unit, and a third sound production unit are disposed in the cavity structure, the third sound production unit is a micro-electro-mechanical system unit, and a sound production frequency of the second sound production unit is greater than a sound production frequency of the first sound production unit and is less than a sound production frequency of the first sound production unit; and the third sound production unit is the micro-electro-mechanical system unit, and the third sound production unit is located between the first sound production unit and the sound output port. The first sound production unit, the second sound production unit, and the micro-electro-mechanical system unit are disposed in the earphone, so that an output bandwidth of the earphone can be effectively ensured, and good full-frequency-band coverage effect and improved sound effect can be implemented.

2. 发明公开

EP4203506A1 LOUDSPEAKER AND TERMINAL 审中-实审
公开(公告)号：EP4203506A1
公开(公告)日：2023-06-28
申请号：EP21871246.1
申请日：2021-09-02
申请人： Huawei Technologies Co., Ltd.
发明人： HUO, Peng , LIU, Cunshuai , ZHAO, Linlin
IPC分类号： H04R9/06 , H04R9/02
摘要： This application relates to the field of audio technologies, and provides a speaker and a terminal, to reduce an amplitude of left-right swinging of a coil in a speaker in a horizontal direction. In the speaker, a diaphragm covers an opening of an accommodating cavity of a frame and is connected to the frame. An end of a magnetic assembly close to the diaphragm has a magnetic gap. A coil is wound around a coil former, and at least a part of the coil is located in the magnetic gap. A connecting member is arranged on a side of the coil former close to a side wall of the accommodating cavity. An annular first damper is arranged between the coil former and the connecting member, an inner side of the first damper is connected to the magnetic assembly, and an outer side of the first damper is connected to the connecting member. The first damper is close to an upper end of the coil and is away from a lower end of the coil. An annular second damper is arranged between the connecting member and the side wall of the accommodating cavity, an inner side of the second damper is connected to the connecting member, and an outer side of the second damper is connected to the side wall of the accommodating cavity. The second damper is close to the lower end of the coil and is away from the upper end of the coil.

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