Optical: systems and elements – Projection screen – Unitary sheet comprising plural reflecting areas
Reexamination Certificate
2007-09-25
2007-09-25
Lee, Diane (Department: 2851)
Optical: systems and elements
Projection screen
Unitary sheet comprising plural reflecting areas
C359S546000, C359S584000
Reexamination Certificate
active
10966447
ABSTRACT:
A projection screen includes a plurality of passive elements each having a sidewall surrounding a surface, wherein said sidewall is configured to attenuate light.
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Allen William J.
Gupta Anurag
Koegler John M.
Mann Lawrence C.
Cruz Magda
Hewlett--Packard Development Company, L.P.
Lee Diane
LandOfFree
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