Patent ID: 9210512
Filing Date: 2015-12-08
Classification: H04R

Abstract:
1. A flat-type speaker, comprising: a plurality of magnetic circuits; wherein the plurality of magnetic circuits are horizontally connected; two or more pairs of independent magnetic bodies with different polarities being horizontally connected; each of two or more voice coil plates having voice coils printed thereon and being horizontally arrayed between the magnetic bodies in a vertical direction in the two or more magnetic bodies; wherein the two or more voice coil plates maintain an identical current flow direction; two or more vibration-lead plates of a slim and thin film shape being electrically separated from each other and placed on top of the two or more voice coil plates; wherein the voice coils and the two or more vibration-lead plates are electrically connected; wherein the two or more vibration-lead plates comprise contact splines electrically connected to respective voice coils in response to the two or more voice coil plates; and a bridge spline interconnecting the contact splines.