Patent ID: 8459403
Filing Date: 2013-06-11
Classification: H04R

Abstract:
1. A front resonator for a speaker of a wireless device, comprising: an enclosure mounted directly over the speaker and forming with an upper surface of the speaker a front volume for the front resonator; and, a plate having an upper surface mounted to an inner surface of the enclosure, the upper surface of the plate having a trough formed therein, the trough and the inner surface of the enclosure forming a horizontal or approximately horizontal tube with respect to a vertical axis of the front volume, the trough having an opening formed therein to couple the front volume to the tube, the enclosure having at least one opening formed therein to emit sound generated by the speaker and passing through the front volume and tube from the wireless device, wherein the front resonator is mounted within a case of the wireless device and the enclosure is separate from the case.