Patent ID: 11882422
Assignee: AAC TECHNOLOGIES PTE. LTD.
Field: Audio-visual technology (Electrical engineering)
Classification: CPC H | IPC H

Claim 9:
10. The heat dissipation device as described in claim 9, wherein the housing body comprises an upper cover and a lower cover matched with the upper cover to form an accommodation space; the upper cover comprises a top wall arranged opposite to the diaphragm and a side wall bending and extending toward a direction close to the lower cover from the edge of the top wall; the housing body further comprises a support wall extending into the accommodation space and supporting the speaker unit; the lower cover comprises a bottom wall opposite to the top wall and a surrounding wall bending and extending toward the direction of the upper cover from the edge of the bottom wall; the surrounding wall is arranged on the outer side of the side wall, and the first sound outlet holes penetrates through the surrounding wall and the side wall successively.