Patent ID: 9148711
Filing Date: 2015-09-29
Classification: H04R

Abstract:
1. A micro-speaker, comprising: a frame providing a receiving space and including a sidewall at a periphery of the frame and a protrusion formed on the sidewall; a magnetic circuit unit including a magnetic gap and accommodated in the receiving space; a voice coil partially received in the magnetic gap; a diaphragm activated by the voice coil for generating sounds and mounted on the frame; a plurality of contacts fixed by the frame for electrically connecting to the voice coil, each of the contacts comprising a base plate, a first connecting plate extending upward from one end of the base plate, a second connecting plate extending upward from another end of the base plate and engaging with the protrusion, an elastic arm extending from a side of the base plate between two ends of the base plate, and a contacting tip extending from a distal end of the elastic arm; the first connecting plate, the base plate and the second connecting plate connoted in order for forming an engaging space for receiving the sidewall; wherein each of the contacts further comprises a soldering pad located in the engaging space and connected to the first connecting plate for electrically connecting to the voice coil.