Optics: image projectors – Additional illumination of or near projected image
Reexamination Certificate
2011-02-01
2011-02-01
Lee, John R (Department: 2878)
Optics: image projectors
Additional illumination of or near projected image
C359S204100, C250S348000, C250S354100
Reexamination Certificate
active
07878657
ABSTRACT:
Scanning beam display systems that scan at least one invisible servo beam and an excitation beam onto a screen that emits visible light under excitation of the light of the excitation beam and control optical alignment of the excitation beam based on positioning of the servo beam on the screen via a feedback control.
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Fish & Richardson P.C.
Lee John R
Prysm, Inc.
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