公开(公告)号：US20240089666A1

公开(公告)日：2024-03-14

申请号：US18079902

申请日：2022-12-13

Applicant: FORTUNE GRAND TECHNOLOGY INC.

Inventor： PING-YU LEE ,  DE-WU WANG ,  ZHI-LONG NIU ,  YU-HSI CHEN

IPC: H04R9/06 ,  H04R7/04 ,  H04R9/02 ,  H04R9/04

CPC classification number: H04R9/063 ,  H04R7/04 ,  H04R9/025 ,  H04R9/046

Abstract: A double-sided loudspeaker includes a first speaker base and a second speaker base assembled with each other and provided with a ventilation hole; a first side magnetic plate injection molded at the first speaker base or the second speaker base; a second side magnetic plate injection molded at the first speaker base or the second speaker base; a magnetic member disposed between the first side magnetic plate and the second side magnetic plate and including a main magnetic plate, a first magnetic unit and a second magnetic unit; a first diaphragm disposed at the first speaker base; a first voice coil disposed at the first diaphragm and movably arranged at the first magnetic unit; a second diaphragm disposed at the second speaker base; and a second voice coil disposed at the second diaphragm and movably arranged at the second magnetic unit.