US 11,871,200 B2
Speaker and electronic device
Xu Chen, Dongguan (CN); and Bin Luo, Dongguan (CN)
Assigned to VIVO MOBILE COMMUNICATION CO., LTD., Dongguan (CN)
Filed by VIVO MOBILE COMMUNICATION CO., LTD., Dongguan (CN)
Filed on Oct. 27, 2022, as Appl. No. 17/975,593.
Application 17/975,593 is a continuation of application No. PCT/CN2021/089549, filed on Apr. 25, 2021.
Claims priority of application No. 202010362949.1 (CN), filed on Apr. 30, 2020.
Prior Publication US 2023/0048346 A1, Feb. 16, 2023
Int. Cl. H04R 7/04 (2006.01); H04R 1/28 (2006.01); G06F 1/16 (2006.01)
CPC H04R 7/045 (2013.01) [G06F 1/1605 (2013.01); H04R 1/2853 (2013.01); H04R 2400/03 (2013.01); H04R 2499/01 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A speaker, comprising:
a counterweight body;
a lower shell;
a middle shell;
an electric vibration plate; and
a dome, wherein
the lower shell, the middle shell, and the electric vibration plate are matched to form an accommodating cavity, and the counterweight body is disposed in the accommodating cavity and is connected to a first surface of the electric vibration plate;
the dome is disposed on a second surface of the electric vibration plate away from the counterweight body; and
when a voltage is applied to the electric vibration plate, the electric vibration plate drives the dome to move.