System for projecting an image using narrow band light sources

Details System for projecting an image using narrow band light sources System for projecting an image using narrow band light sources

2006-06-06

2006-06-06

Dang, Hung Xuan (Department: 2873)

Optical: systems and elements

Single channel simultaneously to or from plural channels

C353S031000, C353S094000

Reexamination Certificate

active

07057822

ABSTRACT:
The invention provides an image projection system including a first light source and a second light source. Light from the first light source is limited to a finite number of limited wavelength intervals. An imaging device is adapted for modulating light from the first and second light sources. A beam combiner is provided to combine light from the light sources and direct the combined light to the imaging device. Modulated light from the imaging device is directed to a lens.

REFERENCES:
patent: 5181054 (1993-01-01), Nicolas et al.
patent: 6288844 (2001-09-01), Edlinger et al.
patent: 6411425 (2002-06-01), Kowarz et al.
patent: 6623122 (2003-09-01), Yamazaki et al.

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