Compact image projection module

Details Compact image projection module Compact image projection module

2007-10-30

2007-10-30

Koval, Melissa Jan (Department: 2851)

Optics: image projectors

Composite projected image

Reflector between lamp and screen

C353S042000, C353S043000, C353S094000, C353S098000, C353S102000

Reexamination Certificate

active

11061692

ABSTRACT:
A lightweight, compact image projection module, especially for mounting in a housing having a light-transmissive window, is operative for causing selected pixels in a raster pattern to be illuminated to produce an image of high resolution of VGA quality in monochrome, color or gray scale. Edge-emitting light emitting diodes are employed, together with mutually orthogonal cylindrical lenses, to render the module with a short, slim form factor.

REFERENCES:
patent: 6655597 (2003-12-01), Swartz et al.
patent: 6802451 (2004-10-01), Yavid et al.
patent: 6832724 (2004-12-01), Yavid et al.
patent: 6945652 (2005-09-01), Sakata et al.
patent: 2004/0017518 (2004-01-01), Stern et al.
patent: 2006/0126022 (2006-06-01), Govorkov et al.
patent: 2006/0126023 (2006-06-01), Tan et al.

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