Light modulating engine

Details Light modulating engine Light modulating engine

2006-12-05

2006-12-05

Thompson, Timothy (Department: 2873)

Optical: systems and elements

Optical modulator

C359S259000, C359S290000

Reexamination Certificate

active

07145708

ABSTRACT:
The invention relates to a light illumination apparatus comprising at least one exposure head (12) and at least two light modulating arrangements (20), each of said two light modulating arrangements (20) comprising a spatial light modulator (31, 32) and an associated light emitter arranged for illumination of an illumination surface (15) via said spatial light modulator (31, 32), each of said two light modulating arrangements (20) being digitally controlled, said apparatus comprising means for performing a relative movement between said at least one exposure head and said illumination surface (15) in at least one direction (x;y).

REFERENCES:
patent: 5646786 (1997-07-01), Kurtz et al.
patent: 5825552 (1998-10-01), Kurtz et al.
patent: 6089719 (2000-07-01), Lin
patent: 6198579 (2001-03-01), Rupp
patent: 6566022 (2003-05-01), Mizutani et al.
patent: 6963452 (2005-11-01), Moulin
patent: 6976426 (2005-12-01), McLean et al.
International Search Report; PCT/DK03/00237; Jun. 20, 2003.

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