公开(公告)号：US20180160230A1

公开(公告)日：2018-06-07

申请号：US15566314

申请日：2015-11-18

Applicant: GOERTEK INC.

Inventor： Hui WANG ,  Xiang GUO

IPC: H04R7/10 ,  H04R7/12 ,  H04R31/00 ,  H04R7/04

CPC classification number: H04R7/10 ,  H04R7/045 ,  H04R7/127 ,  H04R7/18 ,  H04R31/003 ,  H04R2231/001 ,  H04R2231/003 ,  H04R2307/204

Abstract: Disclosed is a vibrating film comprising a vibrating film body, wherein the vibrating film body comprises a central plane part and a peripheral fixing part, a Dome reinforcing part is arranged on the plane part, a first thermosetting adhesive layer is provided between the plane part and the Dome reinforcing part, and the plane part and the Dome reinforcing part are adhered together by thermosetting through the first thermosetting adhesive layer. Further disclosed is an assembling process for the vibrating film. The vibrating film of the present invention is high in adhesive force between parts and good in high frequency properties

公开(公告)号：US20220248127A1

公开(公告)日：2022-08-04

申请号：US17622937

申请日：2019-12-24

Applicant: GOERTEK INC.

Inventor： Tongyan XU ,  Xiang GUO

IPC: H04R1/28 ,  H04R1/02 ,  H04R7/12

Abstract: Disclosed by the present invention is an acoustic device, comprising a sound generating unit. A first sealed cavity is formed at the rear side of a vibrating diaphragm of the sound generating unit, a mounting hole is provided on a cavity wall of the first sealed cavity, and a flexible deformation part is provided on the mounting hole. A second sealed cavity is formed at the outer side of the first sealed cavity, and the second sealed cavity encloses the sound wave generated during deformation of the flexible deformation part therein. The mounting hole is located on the first wall, and a groove is provided on the first wall at the periphery of the mounting hole towards the first sealed cavity. The flexible deformation part is fixed on the bottom of the groove, and a through groove is further provided on the first wall.