Optics: image projectors – Polarizer or interference filter
Reexamination Certificate
2006-07-11
2006-07-11
Dowling, William C. (Department: 2851)
Optics: image projectors
Polarizer or interference filter
C353S099000
Reexamination Certificate
active
07073909
ABSTRACT:
Methods and apparatus are provided. Light is received at a modulator of a projector. The light is reflected from the modulator, returned to the modulator, and re-reflected from the modulator.
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Dowling William C.
Hewlett--Packard Development Company, L.P.
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