Optics: image projectors – Composite projected image
Reexamination Certificate
2007-04-03
2007-04-03
Perkey, W. B. (Department: 2851)
Optics: image projectors
Composite projected image
C353S099000, C353S122000, C359S453000, C359S456000, C359S460000, C348S744000
Reexamination Certificate
active
10750332
ABSTRACT:
A dual display system includes a graphic article providing a first display in a first lighting condition (such as daylight) and a projection system providing a second display in a second lighting condition (such as nighttime). In an exemplary embodiment, the graphic article is a perforated imaged film and the projection system includes a projector and a diffuser screen.
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Acito Paul L.
Aeling Ellen O.
Brooks, III Linden E.
3M Innovative Properties Company
Blackman Rochelle
Blank Colene H.
Perkey W. B.
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