公开(公告)号：US10244302B2

公开(公告)日：2019-03-26

申请号：US15746393

申请日：2016-07-19

Applicant: GOERTEK INC.

Inventor： Yanpeng Zhao ,  Ping Xie ,  Xiaofei Fang

IPC: H04R1/10 ,  H04R9/02 ,  H04R9/06 ,  H04R1/28

Abstract: An earphone, comprising an earphone housing and a loudspeaker unit accommodated in the earphone housing, the loudspeaker unit dividing a cavity formed by the earphone housing into an earphone front sound cavity and an earphone rear sound cavity; wherein the earphone further comprises a tuning mechanism; wherein a rear sound cavity audio hole is provided on the loudspeaker unit rear sound cavity, and the loudspeaker unit rear sound cavity is in communication with the earphone rear sound cavity through the rear sound cavity audio hole; the tuning mechanism is provided between the rear sound cavity audio hole and the housing, and the tuning mechanism is used to adjust the size of the rear sound cavity audio hole of the loudspeaker unit. The present application allows for individual adjustment of the sound quality of the earphone in accordance with a middle and low frequency requirements of different users.

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.