Patent ID: 8220948

Claim:
A notification device comprising: a housing configured to be installed on a ceiling; a reflector unit mounted to the housing, the reflector unit comprising: a base having a reflective curved surface, wherein a curvature of the curved surface is symmetrical about a central axis extending through the base; a plurality of reflective fins, wherein each reflective fin comprises: a first fin portion extending from the curved surface of the base; and a second fin portion extending from the curved surface of the base and the first fin portion, the second fin portion having an inner surface and an outer surface, wherein the inner surface is exposed to the central axis; and a surface portion extending from the curved surface of the base and positioned between the first fin portion and an edge of the base, wherein the surface portion is angled toward an inner surface of the second fin portion; a lens coupled to the housing and positioned over the reflector unit; and a lamp positioned in the center of the reflector unit along the central axis.