LED signal with lens for sun phantom effect reduction

Details LED signal with lens for sun phantom effect reduction LED signal with lens for sun phantom effect reduction

2011-06-28

2011-06-28

Negron, Ismael (Department: 2885)

Illumination

Light modifier

Refractor

C362S224000, C362S249020, C362S291000, C362S311020, C362S311060

Reexamination Certificate

active

07967479

ABSTRACT:
An LED signal that includes a lens having an optical segment configured to direct at least some of the incoming generally collimated light rays from the sun passing through the lens away from an LED found in the traffic signal.

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patent: 6961190 (2005-11-01), Tamaoki et al.
patent: 7175305 (2007-02-01), Martineau
patent: 7416322 (2008-08-01), Tanaka et al.

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