公开(公告)号：US11297407B2

公开(公告)日：2022-04-05

申请号：US16808781

申请日：2020-03-04

Applicant: EM-TECH Co., Ltd.

Inventor： Dong Wook Lim ,  Young In Yoo ,  Je Tae Lee

IPC: H04R1/08 ,  H04R1/10

Abstract: Embodiments described herein provide an earset that has a chamber for effectively blocking external noise, with a sound reproducing unit and an inner microphone mounted in the chamber. According to an embodiment of the earset, the earset includes: a housing having a mounting space in which components are mounted and an insertion tube that is inserted into an external auditory canal of the user; a sound reproducing unit mounted in the mounting space and configured to emit sounds to the insertion tube; an inner microphone mounted in the mounting space; a chamber forming a closed space that surrounds the inner microphone; and a duct mounted in the chamber and configured to transmit sounds coming through the insertion tube to the inner microphone.

公开(公告)号：US20200288227A1

公开(公告)日：2020-09-10

申请号：US16808781

申请日：2020-03-04

Applicant: EM-TECH Co., Ltd.

Inventor： Dong Wook Lim ,  Young In Yoo ,  Je Tae Lee

IPC: H04R1/08 ,  H04R1/10

Abstract: Embodiments described herein provide an earset that has a chamber for effectively blocking external noise, with a sound reproducing unit and an inner microphone mounted in the chamber. According to an embodiment of the earset, the earset includes: a housing having a mounting space in which components are mounted and an insertion tube that is inserted into an external auditory canal of the user; a sound reproducing unit mounted in the mounting space and configured to emit sounds to the insertion tube; an inner microphone mounted in the mounting space; a chamber forming a closed space that surrounds the inner microphone; and a duct mounted in the chamber and configured to transmit sounds coming through the insertion tube to the inner microphone.