Safety lighting and reflector system

Details Safety lighting and reflector system Safety lighting and reflector system

1991-06-07

1992-06-16

Lazarus, Ira S.

Illumination

Plural light sources

With modifier

362268, 362327, 362800, 359528, F21V 1300

Patent

active

051229390

ABSTRACT:
A self-illuminated reflector useful as a nighttime warning marker has a retroreflective surface for redirecting external light back to its source, and includes miniature low power lamps which sufficiently illuminate the retroreflective surface to provide a highly visible warning marker in the absence of any external light directed at the surface. The self-illuminated reflector is comprised of a light source embedded within the optical material of a retroreflector which is directly coupled to a lens to provide a contiguous optical path between the retroreflector and the lens. In one embodiment, four light-emitting diodes are embedded in a three-inch diameter retroreflector which is covered by a clear, transparent lens to provide a lightweight, inexpensive warning marker.

REFERENCES:
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patent: 1878909 (1932-09-01), Stimson
patent: 2012933 (1935-08-01), Davidson
patent: 3741623 (1973-06-01), Mihalik
patent: 3818218 (1974-06-01), Heenan et al.
patent: 4423473 (1983-12-01), Kirkley
patent: 4451871 (1984-05-01), Kirkley et al.
patent: 4891736 (1990-01-01), Gouda
patent: 4949228 (1990-08-01), Lin et al.
patent: 4952023 (1990-08-01), Bradshaw et al.
patent: 5015918 (1991-05-01), Copeland

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