Patent ID: 11950077
Assignee: AAC MICROTECH (CHANGZHOU) CO., LTD.
Field: Audio-visual technology (Electrical engineering)
Classification: CPC H | IPC H

Claim 0:
1. A speaker, comprising:
a frame with a leakage hole;
a magnetic circuit system and a vibration system received in the frame, the vibration system comprising a diaphragm and a coil driving the diaphragm to vibrate and produce sound; the magnetic circuit system comprising a lower clamp and a magnet assembly stacked on the lower clamp;
a mesh covering the leakage hole and integrally injection-molded with the frame, the mesh comprising a central portion opposite to the leakage hole and a fixed portion located around the central portion and fixed with the frame;, wherein,
the diaphragm, the frame and the magnetic circuit system enclose a rear acoustic cavity of the speaker, the leakage hole communicates with the rear acoustic cavity and an external space of the speaker,
the fixed portion comprises an embedded portion embedded in the frame; the frame comprises a cover portion covering the embedded portion; the cover portion is provided with a recessed portion recessed from the surface of the cover portion toward the embedded portion and in contact with the embedded portion toward the embedded portion and in contact with the embedded portion.