Patent ID: 11943596
Assignee: AAC MICROTECH (CHANGZHOU) CO., LTD.
Field: Audio-visual technology (Electrical engineering)
Classification: CPC H | IPC H

Claim 0:
1. An acoustic device, comprising:
a frame;
a vibration system supported on the frame, the vibration system comprising:
a diaphragm;
a voice coil driving the diaphragm to generate sounds;
a voice coil holder connecting the diaphragm and the voice coil; and
a support assembly connecting the frame and the voice coil holder;

a magnetic circuit system supported on the frame and having a magnetic gap, the voice coil partially located in the magnetic gap;
wherein the voice coil holder comprises a first fixing portion extending toward a direction of the voice coil, a second fixing portion extending toward to the support assembly, and a first connecting portion connecting the first fixing portion and the second fixing portion, the first fixing portion mounted to the voice coil, the second fixing portion mounted to the support assembly, the first connecting portion providing with a reinforcing rib protruding and extending from the first fixing portion.