Patent ID: 8135161

Claim:
A low profile miniature speaker comprising: a speaker housing having a circular shape with first surface, a second surface opposite the first surface and a perimeter wall that extends perpendicularly from the perimeter of the second surface to create a sunken second surface, the speaker housing having a major aperture at the center of the housing and at least six minor apertures arranged concentrically about the first aperture; the first surface of the speaker housing having a raised circular rib about the major aperture and at least six linear strengthening ribs radiating outward from the circular strengthening rib, each of the at least six linear ribs located between each pair of the at least six apertures; a circular magnet located within the major aperture of the speaker housing, the magnet being flush with the slightly raised circular rib on the first surface of the speaker housing; and a thin circular diaphragm member located over the second surface of the speaker housing and attached to the perimeter wall, wherein the speaker has a total thickness of approximately 4.5 mm or less, a minimum vertical carrying pressure of approximately 250 lbs and a minimum horizontal carrying pressure of approximately 1000 lbs.