Image projection with reduced speckle noise

Details Image projection with reduced speckle noise Image projection with reduced speckle noise

2007-12-04

2007-12-04

Mahoney, Christopher (Department: 2851)

Optical: systems and elements

Projection screen

C359S449000, C359S452000, C353S079000

Reexamination Certificate

active

11116645

ABSTRACT:
An image projection module within a housing is operative for causing selected pixels in a raster pattern to be illuminated to produce an image on a display screen of VGA quality. The screen is modified and/or the bandwidth of a laser is increased, to reduce speckle noise in the image.

REFERENCES:
patent: 7035006 (2006-04-01), Umeya et al.
patent: 7035008 (2006-04-01), Toda et al.
patent: 7076138 (2006-07-01), Rupasov et al.
patent: 2003/0214691 (2003-11-01), Magno et al.
patent: 2004/0233524 (2004-11-01), Lippey et al.
patent: 2005/0094265 (2005-05-01), Wang
patent: 2006/0244779 (2006-11-01), Kommera et al.

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