Patent ID: 8983112
Filing Date: 2015-03-17
Classification: H04R

Abstract:
1. A planar speaker system comprising: a frame having a first frame portion and a second frame portion, the first frame portion defining a first cavity, the second frame portion defining a second cavity; a first set of magnets disposed in the first cavity, the first set of magnets including a plurality of circumferentially spaced first magnets arranged to form a substantially circular pattern spaced outwardly from a central axis; a second set of magnets disposed in the second cavity, the second set of magnets including a plurality of circumferentially spaced second magnets arranged to form a substantially circular pattern spaced outwardly from the central axis; and a diaphragm located between the first and second sets of magnets, the diaphragm having a plurality of circumferentially spaced electrically conductive traces formed thereon, each of the electrically conductive traces aligned with one of the first magnets and one of the second magnets, the diaphragm being connected to the frame.