公开(公告)号：US20240107221A1

公开(公告)日：2024-03-28

申请号：US18270270

申请日：2021-12-18

Applicant: Huawei Technologies Co., Ltd.

Inventor： Tienan Zhang ,  Haibo Shan ,  Yan Li ,  Dasheng Mo

IPC: H04R1/10 ,  H04R1/02

CPC classification number: H04R1/1083 ,  H04R1/023 ,  H04R1/1016 ,  H04R1/1075 ,  H04R2400/11 ,  H04R2460/01

Abstract: An earphone is provided, and includes a housing, a loudspeaker, and a noise cancellation microphone, the housing comprises an internal space, and a sound pickup channel. The noise cancellation microphone is connected to the communication surface by the sound pickup channel. The housing comprises an outer housing and a frame, the housing is provided with the internal space and a communication hole, and the frame is provided with a communication surface facing the communication hole. The communication surface comprises a sound-emitting hole and a sound pickup hole, the sound-emitting hole and the sound pickup hole are isolated from each other, and the sound-emitting hole is connected to the front cavity. The sound pickup channel and the front cavity are isolated from each other through the frame.

公开(公告)号：US20250030974A1

公开(公告)日：2025-01-23

申请号：US18714977

申请日：2022-12-09

Applicant: Huawei Technologies Co., Ltd.

Inventor： Tienan Zhang ,  Cunshuai Liu ,  Chao Xu ,  Qiang Zhang ,  Lin Lu

IPC: H04R1/24 ,  H04R1/10 ,  H04R1/28

Abstract: In accordance with an embodiment, an earphone includes: a housing having a cavity structure disposed within, and a sound output port in communication with the cavity structure; and a first sound transducer, a second sound transducer, and a third sound transducer disposed in the cavity structure, wherein: a sound production frequency of the second sound transducer is greater than a sound production frequency of the third sound transducer and is less than a sound production frequency of the first sound transducer, and the third sound transducer is a micro-electro-mechanical-system located between the first sound transducer and the sound output port.

公开(公告)号：US12200157B2

公开(公告)日：2025-01-14

申请号：US17761888

申请日：2020-09-15

Applicant: Huawei Technologies Co., Ltd.

Inventor： Shizhe Li ,  Jing Chang ,  Yang Liu ,  Tienan Zhang

IPC: H04M1/03 ,  H04M1/02 ,  H04M1/18 ,  H04R9/06

Abstract: A mobile terminal includes a housing and a speaker component including a speaker unit that divides a cavity of the speaker component into a front speaker box and a rear speaker box, an air vent coupled to an inner cavity of the housing is disposed on a wall of the rear speaker box, and a flexible sound absorbing member that can absorb a sound and damp vibration is disposed on a wall of the inner cavity of the housing.

公开(公告)号：US20220337689A1

公开(公告)日：2022-10-20

申请号：US17761888

申请日：2020-09-15

Applicant: Huawei Technologies Co., Ltd.

Inventor： Shizhe Li ,  Jing Chang ,  Yang Liu ,  Tienan Zhang

IPC: H04M1/03 ,  H04M1/02 ,  H04R9/06 ,  H04M1/18

Abstract: A mobile terminal includes a housing and a speaker component including a speaker unit that divides a cavity of the speaker component into a front speaker box and a rear speaker box, an air vent coupled to an inner cavity of the housing is disposed on a wall of the rear speaker box, and a flexible sound absorbing member that can absorb a sound and damp vibration is disposed on a wall of the inner cavity of the housing.