Illumination system with multiple lamps

Details Illumination system with multiple lamps Illumination system with multiple lamps

2005-02-22

2005-02-22

Ward, John Anthony (Department: 2875)

Illumination

Plural light sources

Combined

C362S237000, C362S238000, C362S551000, C353S020000, C353S094000, C359S485050

Reexamination Certificate

active

06857761

ABSTRACT:
An illumination system with multiple lamps is provided for increasing the Lumens of projected images. In the system, light guiding means having at least two light tunnels and lamps are used for guiding light emitted from the lamps to a beam splitter so that the light beams from the different lamps are converged into one single light beam, thereby increasing the power of light.

REFERENCES:
patent: 4882617 (1989-11-01), Vriens
patent: 5619284 (1997-04-01), Magocs
patent: 6196699 (2001-03-01), Stanton
patent: 6341876 (2002-01-01), Moss et al.
patent: 6508571 (2003-01-01), Chuang
patent: 6527420 (2003-03-01), Chuang
patent: 6554464 (2003-04-01), Hawryluk et al.
patent: 6795243 (2004-09-01), McGettigan et al.

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