Patent ID: 8300873
Filing Date: 2012-10-30
Classification: H04R

Abstract:
1. 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 major aperture; the first surface of the speaker housing having a slightly raised circular rib about the major aperture and at least six linear ribs radiating outward from the circular 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; the entire speaker having a thickness of approximately 4.5 mm.