公开(公告)号：US11838735B2

公开(公告)日：2023-12-05

申请号：US17775905

申请日：2020-11-11

Applicant: GOERTEK INC.

Inventor： Yue Zhao ,  Xinglong Wang ,  Jianjian Wang

IPC: H04R9/04 ,  H04R7/12 ,  H04R7/18 ,  H04R7/26 ,  H04R9/02 ,  H04R9/06

CPC classification number: H04R9/046 ,  H04R7/12 ,  H04R7/18 ,  H04R7/26 ,  H04R9/025 ,  H04R9/06 ,  H04R2209/041

Abstract: Disclosed are a voice coil assembly and a loudspeaker, comprising a main voice coil and a connecting coil connected to the main voice coil, the main voice coil is connected to an external circuit, and comprises a first voice coil and a second voice coil, the first voice coil is formed by winding a conductive first wire with self-bonding coating, the second voice coil is formed by winding a second wire with self-bonding coating, the first voice coil and the second voice coil are positioned close to each other and bonded together, the first voice coil and the second voice coil are connected in series or in parallel, the connecting coil is formed by winding a third wire, and the density of the third wire is less than or equal to that of the first wire and the second wire.