Patent ID: 11950046
Assignee: AAC MICROTECH (CHANGZHOU) CO., LTD.
Field: Audio-visual technology (Electrical engineering)
Classification: CPC H | IPC H

Claim 5:
6. The multifunctional sounding device as described in claim 1, wherein,
the magnetic circuit system includes a main magnet and a secondary magnet, the secondary magnet being arranged around the main magnet to form a magnetic gap;
the first vibration system includes a sound membrane and a voice coil, and a part of the sound membrane is in contact with the voice coil so that the voice coil the sound membrane is driven to vibrate along the first direction to produce sound; at least part of the voice coil is located in the magnetic gap;
the second vibration system includes a drive coil and a magnetic yoke, the drive coil is fixedly connected with the magnetic yoke, so that the drive coil drives the magnetic yoke to vibrate along the second direction and/or along the third direction; the drive coil includes a first side edge and a second side edge disposed oppositely, along the first direction; the first side edge is arranged opposite to the main magnet, and the second side edge is arranged opposite to the secondary magnet.