公开(公告)号：US20230171547A1

公开(公告)日：2023-06-01

申请号：US17995129

申请日：2020-12-05

Applicant: GOERTEK INC.

Inventor： Jie LI ,  Huawei LIU ,  Guodong ZHAO

IPC: H04R9/02 ,  H04R9/06 ,  H04R9/04

CPC classification number: H04R9/025 ,  H04R9/06 ,  H04R9/046

Abstract: The present invention discloses a sound generating device, which comprises a housing, and a vibration system and a magnetic circuit system which are coupled to the housing, wherein the magnetic circuit system comprises a magnetic conductive yoke, the magnetic conductive yoke comprises a magnetic conductive body and a connecting flange, the magnetic conductive body faces a diaphragm of the vibration system, the connecting flange is formed by bending the magnetic conductive body towards a side where the diaphragm is located, and the connecting flange is provided with a plurality of ventilation holes; and wherein a leakage opening is formed between the housing and the magnetic conductive body, and the connecting flange completely covers the leakage opening. The technical solutions of the present invention can reduce the defective rate of products.

公开(公告)号：US20230115757A1

公开(公告)日：2023-04-13

申请号：US17905094

申请日：2020-12-05

Applicant: GOERTEK INC.

Inventor： Huawei LIU ,  Guodong ZHAO ,  Jie LI

IPC: H04R9/06 ,  H04R1/02 ,  H04R9/04 ,  H04R9/02 ,  H04R7/18 ,  H04R7/04 ,  H04R31/00

Abstract: The present disclosure discloses a sound generating device, which comprises: a magnetic conductive yoke; a housing extending along an edge of the magnetic conductive yoke and having an annular shape, wherein a leakage opening is formed in a gap between the housing and the magnetic conductive yoke; and a metal mesh covering the leakage opening, wherein a portion of the metal mesh corresponding to the leakage opening is provided with a plurality of air holes. The sound generating device of the present disclosure can reduce the defective rate of products.