Optical assembly for a projection system

Details Optical assembly for a projection system Optical assembly for a projection system

2005-01-20

2008-10-28

Sever, Andrew T (Department: 2851)

Optics: image projectors

Lens support

C353S102000, C353S098000, C348S744000, C359S800000

Reexamination Certificate

active

07441909

ABSTRACT:
An optical assembly for a projection system includes an objective lens and a retro-focus lens. Then objective lens and retro-focus lens share one or more lens elements. A method of projecting an image comprises directing light from a light source to one or more modulators and projecting a modulated light beam using an optical assembly that includes an objective lens and a retro-focus lens that share one or more lens elements.

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