Patent ID: 11968514
Assignee: AAC MICROTECH (CHANGZHOU) CO., LTD.
Field: Audio-visual technology (Electrical engineering)
Classification: CPC H | IPC H

Claim 0:
1. A vibration sounding device, comprising:
a housing body with a containment cavity;
a vibration system;
a magnetic circuit system for driving the vibration system to move in a first direction, including a main magnet and a secondary magnet assembly surrounding the main magnet for forming a magnetic gap;
a sounding unit formed by the vibration system and the magnetic circuit system;
an elastic assembly accommodated in the containment cavity and fixedly connected to the housing body;
a weight assembly connected to and suspended by the elastic assembly in the containment cavity;
a drive coil fixed to the weight assembly and being movable along a second direction together with the weight assembly, the second direction being perpendicular to the first direction; wherein
the weight assembly includes a first weight with an accommodation cavity and a second weight set in the accommodation cavity; the second weight includes an installation slot for accommodating the drive coil; and both the first weight and the second weight are sheet stamping parts.