Optically efficient notification device for use in life safety wall strobe applications
First Claim
1. A notification device comprising:
- a housing; and
a reflector unit mounted to the housing, the reflector unit comprising;
a base comprising;
a curved portion; and
a flat portion extending from the curved portion on a first side of a vertical axis and a second side of the vertical axis, wherein the flat portion surrounds at least a portion of an outer perimeter of the curved portion;
a reflective flange extending from a location near a top edge of the base, the reflective flange having a lower surface that tapers from the vertical axis toward the top side of the base; and
a first specular protrusion and a second specular protrusion extending entirely from within an interior surface of the curved portion of the base in a substantially orthogonal direction relative to a front surface of the flat portion and to the vertical axis, wherein the first specular protrusion and the second specular protrusion are positioned on the curved portion away from the outer perimeter of the curved portion and extend beyond the front surface of the flat portion and the outer perimeter of the curved portion, wherein the first specular protrusion is positioned on the first side of the vertical axis, and wherein the second specular protrusion is positioned on the second side of the vertical axis, the first specular protrusion and the second specular protrusion each comprising a surface substantially directed toward a lower edge of the base near the vertical axis.
3 Assignments
0 Petitions
Accused Products
Abstract
A wall notification device described herein can draw a lower current by providing a more efficient reflector configuration. The reflector is designed to be positioned on a wall and provide sufficient light output in each of the requisite directions, as required by the UL 1971 standard. The notification device has a reflector unit having a base having a curved portion centered on the vertical axis and a flat portion extending from the curved portion; a reflective flange extending from a location near a top side of the base; a first and second specular protrusion extending from the curved portion of the base; a third and fourth specular protrusion extending from the base; a fifth and sixth specular protrusion extending from the curved portion of the base; and a sixth and seventh specular protrusion extending form the flat portion of the base.
31 Citations
22 Claims
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1. A notification device comprising:
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a housing; and a reflector unit mounted to the housing, the reflector unit comprising; a base comprising; a curved portion; and a flat portion extending from the curved portion on a first side of a vertical axis and a second side of the vertical axis, wherein the flat portion surrounds at least a portion of an outer perimeter of the curved portion; a reflective flange extending from a location near a top edge of the base, the reflective flange having a lower surface that tapers from the vertical axis toward the top side of the base; and a first specular protrusion and a second specular protrusion extending entirely from within an interior surface of the curved portion of the base in a substantially orthogonal direction relative to a front surface of the flat portion and to the vertical axis, wherein the first specular protrusion and the second specular protrusion are positioned on the curved portion away from the outer perimeter of the curved portion and extend beyond the front surface of the flat portion and the outer perimeter of the curved portion, wherein the first specular protrusion is positioned on the first side of the vertical axis, and wherein the second specular protrusion is positioned on the second side of the vertical axis, the first specular protrusion and the second specular protrusion each comprising a surface substantially directed toward a lower edge of the base near the vertical axis. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14)
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15. A reflector unit comprising:
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a base comprising; a curved portion centered on a vertical axis; and a flat portion extending from the curved portion on a first side of the vertical axis and a second side of the vertical axis, wherein the flat portion surrounds at least a portion of an outer perimeter of the curved portion; a reflective flange extending from a location near a top edge of the base and along a plane perpendicular to the flat portion, the reflective flange having a lower surface that tapers from the vertical axis toward the top side of the base; a first specular protrusion and a second specular protrusion extending entirely from within an interior surface of the curved portion of the base in a substantially orthogonal direction relative to a front surface of the flat portion and to the vertical axis, wherein the first specular protrusion and the second specular protrusion are positioned on the curved portion away from the outer perimeter of the curved portion and extend beyond the front surface of the flat portion and the outer perimeter of the curved portion, wherein the first specular protrusion is positioned on the first side of the vertical axis and the second specular protrusion is positioned on the second side of the vertical axis; and a third specular protrusion and a fourth specular protrusion extending from the base, wherein the third specular protrusion is positioned on the first side of the vertical axis and the fourth specular protrusion is positioned on the second side of the vertical axis, the third specular protrusion and the fourth specular protrusion each extending from a lower outer edge of the base and tapering in a direction parallel to the vertical axis, wherein the third specular protrusion and the fourth specular protrusion extending from the lower outer edge of the base are positioned on the base opposite the reflective flange. - View Dependent Claims (16, 17, 18, 19, 20, 21)
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22. A notification device comprising:
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a housing; a reflector unit mounted to the housing, the reflector unit comprising; a base comprising; a curved portion; and a flat portion extending from the curved portion on a first side of a vertical axis and a second side of the vertical axis, wherein the flat portion surrounds at least a portion of an outer perimeter of the curved portion; a reflective flange extending from a location near a top side of the base, the reflective flange having a lower surface that tapers from the vertical axis toward the top side of the base; a first specular protrusion and a second specular protrusion extending entirely from within an interior surface of the curved portion of the base in a substantially orthogonal direction relative to a front surface of the flat portion and to the vertical axis, wherein the first specular protrusion and the second specular protrusion are positioned on the curved portion away from the outer perimeter of the curved portion and extend beyond the front surface of the flat portion and the outer perimeter of the curved portion, wherein the first specular protrusion is positioned on the first side of the vertical axis, and wherein the second specular protrusion is positioned on the second side of the vertical axis; and a third specular protrusion and a fourth specular protrusion extending from the flat portion of the base, wherein the third specular protrusion is positioned on the first side of the vertical axis and the fourth specular protrusion is positioned on the second side of the vertical axis, and wherein the third specular protrusion and the fourth specular protrusion each taper toward the vertical axis; and a lens positioned over at least a portion of the reflector unit.
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Specification