Compact, high-efficiency illumination system for...

Details Compact, high-efficiency illumination system for... Compact, high-efficiency illumination system for...

2007-05-22

2007-05-22

O'Shea, Sandra (Department: 2875)

Illumination

Light fiber, rod, or pipe

Illuminating or display apparatus

C362S310000, C349S062000, C359S853000, C385S043000

Reexamination Certificate

active

10794623

ABSTRACT:
An illumination system for a video-imaging device has a light source and a collector of light from the light source. The collector is formed according to the principles of non-imaging optics and receives a portion of the light from the light source. The collector is configured to reduce the angular distribution of the collected light from the light source to match the requirements of a digital pixelation device.

REFERENCES:
patent: 3676667 (1972-07-01), Malifaud
patent: 4003638 (1977-01-01), Winston
patent: 4765718 (1988-08-01), Henkes
patent: 4915479 (1990-04-01), Clarke
patent: 5146248 (1992-09-01), Duwaer et al.
patent: 5675677 (1997-10-01), Davenport et al.
patent: 6304693 (2001-10-01), Buelow, II et al.
patent: 6554456 (2003-04-01), Buelow et al.

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