US 11,758,333 B1
Multi-functional sound producing apparatus
Xingzhi Huang, Shenzhen (CN); Yao Wang, Shenzhen (CN); Lubin Mao, Shenzhen (CN); and Dong Lu, Shenzhen (CN)
Assigned to AAC Microtech (Changzhou) Co., Ltd., Changzhou (CN)
Filed by AAC Microtech (Changzhou) Co., Ltd., Changzhou (CN)
Filed on May 27, 2022, as Appl. No. 17/826,192.
Claims priority of application No. 202220441737.7 (CN), filed on Mar. 2, 2022.
Int. Cl. H04R 11/02 (2006.01); H04R 7/04 (2006.01); H04R 1/02 (2006.01); H04R 1/28 (2006.01)
CPC H04R 11/02 (2013.01) [H04R 1/021 (2013.01); H04R 1/2811 (2013.01); H04R 7/04 (2013.01); H04R 2400/03 (2013.01); H04R 2400/07 (2013.01); H04R 2400/11 (2013.01)] 10 Claims
OG exemplary drawing
 
1. A multi-functional sound producing apparatus, comprising a housing defining a receiving cavity and a sound producing device arranged in the receiving cavity,
wherein the housing comprises a bottom wall and a side wall bending and extending from the bottom wall, and the sound producing device comprises a vibration system and a magnetic circuit unit that drives the vibration system to vibrate along a first direction to produce sound,
wherein the magnetic circuit unit comprises a main magnet assembly fixed to the bottom wall and an auxiliary magnet spaced from the main magnet assembly to form a magnetic gap, and
wherein the multi-functional sound producing apparatus further comprises a motor device arranged in the receiving cavity, the motor device comprises an elastic member fixedly connected to the housing, a weight connected to the elastic member to be suspended in the receiving cavity, a magnet assembly fixed to the weight and vibrating along a second direction together with the weight, and a driving member fixed to the bottom wall to drive the magnet assembly to vibrate, and
wherein two groups of the magnet assembly and the driving member are provided, each of two opposite sides of the main magnet assembly is provided with one group of the two groups of the magnet assembly and the driving member, and the second direction is perpendicular to the first direction.