F - Mech Eng,Light,Heat,Weapons – 21 – V
Patent
F - Mech Eng,Light,Heat,Weapons
21
V
240/70
F21V 3/00 (2006.01)
Patent
CA 1125720
ABSTRACT An improved warning light includes a flashing strobe light bulb and a plastic lens which has incorporated in the plastic material an effective amount of a fluorescent material such as a dye or pigment, which converts the radiation emitted by the strobe light to the preferred wave length of the fluores- cent material. In a preferred embodiment, especially suited for use as a warning light on vehicles, the strobe light is surrounded by a cylindrical lens of polycarbonate or acrylic plastic which has the fluorescent dye incorporated therein and the bulb and the lens are protected from the elements by a transparent dome.
342950
Fetherstonhaugh & Co.
Speaker (j.w.) Corporation
LandOfFree
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