US 12,133,047 B2
Speaker and electronic device
Benedict Slotte, Tampere (FI)
Assigned to AAC Microtech (Changzhou) Co., Ltd., Changzhou (CN)
Filed by AAC Microtech (Changzhou) Co., Ltd., Changzhou (CN)
Filed on Aug. 5, 2022, as Appl. No. 17/881,662.
Prior Publication US 2024/0048898 A1, Feb. 8, 2024
Int. Cl. H04R 1/28 (2006.01)
CPC H04R 1/288 (2013.01) 11 Claims
OG exemplary drawing
 
1. A speaker, comprising:
a speaker case;
a speaker body arranged in the speaker case and configured to vibrate and produce sound, wherein the speaker body divides the speaker case into a front sound cavity and a rear sound cavity, the speaker case is provided with a speaker hole, and the front sound cavity communicates with outside of the speaker case through the speaker hole; and
a resonator arranged at the speaker case, including a base mounted on the speaker case and a composite membrane provided on the base; wherein a side of the resonator is arranged corresponding to the front sound cavity, and another side of the resonator is exposed to outside of the speaker case.