公开(公告)号：US20190020953A1

公开(公告)日：2019-01-17

申请号：US16033089

申请日：2018-07-11

Applicant: JVC KENWOOD Corporation

Inventor： Benjamin AKIMOTO ,  Kazuyuki INAGAKI

IPC: H04R9/02 ,  H04R9/04 ,  H04R9/06

CPC classification number: H04R9/022 ,  H04R9/025 ,  H04R9/046 ,  H04R9/06

Abstract: A speaker includes a center pole, a voice coil, a diaphragm, and a turbulent flow generator. A center pole includes a through hole formed in the center pole in an axial direction. The voice coil is disposed around the center pole. A diaphragm includes a center cap that is disposed to face an opening of the through hole. A turbulent flow generator is disposed inside the through hole. The turbulent flow generator generates a turbulent flow inside the through hole.