Patent ID: 11948549
Assignee: SOUND SOLUTIONS INTERNATIONAL CO., LTD.
Field: Audio-visual technology (Electrical engineering)
Classification: CPC G  H  F | IPC F  G  H

Claim 20:
21. The electromagnetic actuator according to claim 13, further comprising:
a first and a second spring arrangement, each spring arrangement comprising an annular outer holder and a center holder inside of the annular outer holder; and
a center connector fixedly arranged relative to the plate structure when the electromagnetic actuator is connected to the backside of the plate structure,
wherein
the center holder of the first spring arrangement is mounted to the center connector,
the center holder of the second spring arrangement is mounted to the center connector at a distance away from the center holder of the first spring arrangement,
the movable part of the magnet system is arranged between the annular outer holder of the first spring arrangement and the annular outer holder of the second spring arrangement,
the top plate is mounted to the annular outer holder of the first spring arrangement, and
the bottom plate is mounted to the annular outer holder of the second spring arrangement.