US 11,778,381 B2
Sound-producing structure and playback device
Yong Zhu, Beijing (CN); Lingyun Wen, Beijing (CN); and Guang Xu, Beijing (CN)
Assigned to Beijing Xiaomi Mobile Software Co., Ltd, Beijing (CN)
Filed by Beijing Xiaomi Mobile Software Co., Ltd., Beijing (CN)
Filed on Mar. 30, 2022, as Appl. No. 17/708,602.
Claims priority of application No. 202121852648.3 (CN), filed on Aug. 9, 2021.
Prior Publication US 2023/0040924 A1, Feb. 9, 2023
Int. Cl. H04R 5/02 (2006.01); H04R 1/02 (2006.01); H04R 9/02 (2006.01)
CPC H04R 5/02 (2013.01) [H04R 1/025 (2013.01); H04R 1/026 (2013.01); H04R 1/028 (2013.01); H04R 9/022 (2013.01)] 9 Claims
OG exemplary drawing
 
1. A playback device, comprising:
a sound-producing structure; wherein, the sound-producing structure comprises:
a hollow piece;
a sound-producing piece located in a hollow cavity of the hollow piece;
a heat dissipation piece located outside the hollow cavity, a first part of the heat dissipation piece being located below the hollow piece and a second part of the heat dissipation piece being located on a side wall of the hollow piece; and
a top cover located above the hollow piece;
a bracket located below the heat dissipation piece of the sound-producing structure, the hollow piece of the sound-producing structure being located on the bracket; and
a touch control bracket, connected with the top cover, located above the hollow piece, and comprising:
a touch control upper cover having the touch control region; and
a touch control lower cover, located below the touch control upper cover, installed on the top cover, and forming an accommodating cavity with the touch control upper cover, wherein the accommodating cavity accommodates a light source and a light emitting module electrically connected to the light source.