Illumination – Light modifier – Reflector
Reexamination Certificate
2007-02-20
2007-02-20
O'Shea, Sandra (Department: 2875)
Illumination
Light modifier
Reflector
C362S293000, C362S373000, C353S055000
Reexamination Certificate
active
11109980
ABSTRACT:
A method and apparatus for a lamp housing is provided that blocks light and dissipates heat. The lamp housing encases or is integral to a reflector, and has an inner surface that absorbs radiation emitted by the lamp burner and an outer surface that allows for improved heat dissipation through radiation and convection means. The inner surface absorbs radiation and the outer surface is enlarged with a plurality of formations for improved heat dissipation through radiation and convection means. The housing also blocks stray visible light from escaping, thereby reducing or eliminating the need for light leakage systems.
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Biber Catharina R.
Emery William L.
Immel Eric
Payne Dave
Alleman Hall McCoy Russell & Tuttle LLP
InFocus Corporation
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