Micro-speaker

摘要

Disclosed is a micro-speaker. A micro-speaker includes a frame forming a receiving space, a vibrating unit, a magnetic circuit unit, a number of contacts, a front cover and a back cover. The contacts include a first contact and a second contact retained by the frame and partially exposed out of the frame, and a third contact disposed within the receiving space. The vibrating unit includes a diaphragm and a voice coil with a first terminal and a second terminal. The first terminal is electrically connected to the first contact, the second terminal is electrically connected to the third contact. An FPC is provided to electrically connect the third contact to the second contact.

主权项

1. A micro-speaker, comprising:
a frame forming a receiving space and including a first wall and a second wall opposite to the first wall, the first contact, the second contact and the first terminal are all disposed on the first wall; a vibrating unit attached to the frame, including a diaphragm and a voice coil driving the diaphragm, the voice coil including a first terminal and a second terminal; a magnetic circuit unit accommodating in the receiving space; a front cover and a back cover; a plurality of contacts, including a first contact retained by the frame and partially exposed out of the frame, a second contact retained by the frame and partially exposed out of the frame, and a third contact retained by the second wall of the frame and disposed within the receiving space, the first terminal being electrically connected to the first contact, the second terminal being electrically connected to the third contact; an FPC provided for electrically connecting the third contact to the second contact; wherein the FPC locates below the magnetic circuit unit and extends along a diagonal of the magnetic circuit unit.