Illumination – Light modifier – Refractor
Reexamination Certificate
2005-07-14
2008-12-16
Truong, Bao Q (Department: 2875)
Illumination
Light modifier
Refractor
C362S340000, C362S334000
Reexamination Certificate
active
07465074
ABSTRACT:
An optical element is specified that comprises a radiation exit surface shaped so that light exiting through said radiation exit surface is suitable for substantially uniformly illuminating a defined area from a defined distance. The optical element is particularly well suited for use in emergency lighting systems.
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Fish & Richardson P.C.
Osram Opto Semiconductors GmbH
Truong Bao Q
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