Patent ID: 11950045
Assignee: AAC MICROTECH (CHANGZHOU) CO., LTD.
Field: Audio-visual technology (Electrical engineering)
Classification: CPC H | IPC G  H

Claim 3:
4. The sounding device as described in claim 3, wherein the sound guiding channel comprises a first sound guiding channel and a second sound guiding channel;
the side casing comprises:
a first side casing, one end of which close to the front side is open to form the sound outlet hole, and the sound guiding hole is formed between the first side casing and the sounding component; the first side casing is provided with a first sound guiding channel, and one end of the first sound guiding channel is communicated with the sound outlet hole; and
a second side casing connected to the first side casing, wherein the cavity is formed among the bottom cover, the second side casing and the one end of the sounding component close to the back side; the second side casing is provided with a second sound guiding channel; one end of the second sound guiding channel is communicated with the first sound guiding channel, and the other end of the second sound guiding channel is communicated with the cavity.