Warning light with tinted lens

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United States of America Patent

PATENT NO 9611993
APP PUB NO 20150330592A1
SERIAL NO

14715909

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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A warning light includes a lens or cover is tinted with a grey or “smoke” tint that is not spectrally selective or alternatively referred to as “neutral density” in that it reduces transmission of all colors of light equally. The objective of the neutral tinted “smoked” lens is to reduce the conspicuity of warning lights when not in use. Ambient light penetration into the warning light is reduced by the proportion of tint and then light reflecting off the optical surfaces within the warning light are reduced again when passing through the tinted lens on the way out of the assembly. The resulting warning light appears dull and is less conspicuous than the same warning light or lightbar with a clear lens. The tinted lens or cover may include optical elements configured to re-direct light, and the entire lens or cover is molded from the same tinted plastic material.

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First Claim

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Patent Owner(s)

Patent OwnerAddress
WHELEN ENGINEERING COMPANY INC51 WINTHROP ROAD CHESTER CT 06412-0684

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Olson, Andrew J Deep River, US 2 3

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