| 摘要 |
The present invention relates to a micro speaker having a voice coil installation structure, which is equipped with a voice coil for presenting excellent voice properties and makes the micro speaker slim at the same time, and more particularly, to a slim type micro speaker of which the location of a center unit is higher than the location of an outer unit. The present invention includes: a frame; a yoke which is coupled with the lower side of the frame; an internal wheel magnet which is attached to the yoke; an external wheel magnet which is attached to the yoke at a predetermined distance from the internal wheel magnet; a voice coil which is located at a lower side at a predetermined interval between the internal wheel magnet and the external wheel magnet; a vibrating plate which generates a sound and vibrates by the vibration of the voice coil; and a suspension unit which includes a center unit which guides the vibration direction of the voice coil and the vibrating plate and adheres to the voice coil, an outer unit in a ring shape which is arranged at a predetermined distance from the center unit, and a connecting unit which connects the center unit and the outer unit and has a damping function. |
