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.