Patent ID: 8112130

Claim:
A mobile communications device comprising: an outer housing having a front wall in which an acoustic opening, being a face-to-face hole, is formed; a tub disposed inside the housing so that an outside face of the tub faces forward, wherein an acoustic opening, being a face-to-face hole, is formed in a bottom of the tub and is positioned to be aligned with the acoustic opening in the outer housing; a receiver disposed within the tub so that a sound port hole of the receiver faces an inside face of the tub and is aligned with the acoustic openings in the outer housing and in the tub; and a plate piece disposed between an inside face of the housing and the face of the receiver in which the sound port hole is formed, wherein an acoustic opening, being a face-to-face hole, is formed in the plate piece and positioned to be aligned with the sound port hole of the receiver and the acoustic openings in the outer housing and in the tub.