公开(公告)号：US10321215B2

公开(公告)日：2019-06-11

申请号：US15771405

申请日：2016-06-01

Applicant: GOERTEK INC.

Inventor： Tonghui Guo ,  Qigao Chen ,  Jiangtao Xu

IPC: H04R1/10 ,  H04R5/033

Abstract: The present invention provides an earphone, comprising an earphone housing, a speaker cover, a sound emitting tube, and a speaker, wherein the earphone further includes a tuning baffle disposed inside the speaker cover, wherein a sound emitting hole, a sound outlet hole and mode slots are disposed on the speaker cover, and the sound emitting tube is connected to the tuning baffle through the sound emitting hole, a mode protrusion and a tuning hole are disposed on the tuning baffle, and the mode protrusion is limited by different mode slots by rotating the tuning baffle via the sound emitting tube, so as to adjust the sound outlet area of the sound outlet hole. By utilizing the above-mentioned invention, it is possible to adjust the mid-bass frequency response of the earphone so that a single type earphone can exhibits different sound characteristics.

公开(公告)号：US10306349B2

公开(公告)日：2019-05-28

申请号：US15737597

申请日：2016-07-19

Applicant: GOERTEK INC.

Inventor： Yanpeng Zhao ,  Qigao Chen ,  Tonghui Guo ,  Ping Xie

IPC: H04R1/10 ,  H04R1/02 ,  H04R9/02 ,  H04R9/06

Abstract: An earphone, comprising a rear housing, a front housing, and a loudspeaker unit which divides a cavity formed by the rear housing and the front housing into a front and rear acoustic cavities; wherein the earphone further comprises a sound adjusting element; the front housing is provided with a sound outlet hole and mode posts, and the sound adjusting element is provided with a sound adjusting hole corresponding to the sound outlet hole and a mode adjustment groove corresponding to the mode posts; when the sound adjusting element rotates, the mode adjustment groove may be limited by different mode posts, thus adjusting the volume of the front acoustic cavity and the area of a sound hole for the front acoustic cavity. Use of the above-described invention enables the middle and high frequency responses of the earphone to be adjusted and enables a single earphone to provide different sound characteristics.

公开(公告)号：US09654865B2

公开(公告)日：2017-05-16

申请号：US14914348

申请日：2014-08-26

Applicant: GOERTEK INC.

Inventor： Yanpeng Zhao ,  Qigao Chen ,  Jiangtao Xu

IPC: H04R1/10 ,  H04R1/28 ,  H04R1/06

CPC classification number: H04R1/2823 ,  H04R1/06 ,  H04R1/1016 ,  H04R1/1075 ,  H04R1/2876

Abstract: Disclosed is an earphone comprising a loudspeaker unit, an audio signal wire electrically connected to the loudspeaker unit, and an auxiliary structure; the auxiliary structure comprises a front cover and a housing; a front acoustic cavity is defined as a space between the front cover and the loudspeaker unit, and a rear acoustic cavity is defined as a space between the housing and the loudspeaker unit; an acoustic guide channel capable of enhancing low-frequency performance of the earphone is disposed on one side of an inner sidewall of the housing closer to the loudspeaker unit; the acoustic guide channel comprises an open end and a closed end, and a bottom wall of the acoustic guide channel is provided with a plurality of through holes at a position closer to the closed end. An earphone with this structure improves low-frequency and middle-frequency sound effects of products, and makes the earphone have a good appearance.