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US 4,375,634 AGranted
Warning light
OwnerHarvey Leisinventor
Life of this patent
Estimating the term…
Abstract
A warning light which has a dome-shaped lens containing a xenon stroboscopic bulb and a halogen cycle bulb. The bulbs are energized, either separately or at the same time, to provide two types of warning lights, while means are provided for minimizing the amount of light that escapes through the top of the dome.
Claims4
In a warning light device of the type comprising first and second light sources mounted on a base with a translucent generally dome-shaped lens overlying said light sources and being supported by said base and means for energizing said first and second light sources, the improvement comprising
- means for flashing said first light so that a second flash is initiated before the light from a first flash is extinguished so that said first light source provides a continuous beam of light of variable intensity to continuously illuminate the area around said warning light, and means for causing said second light source to provide an intermittent beam of light.
Dependencies are inferred from the claim text.