Projection display device with a projection module

Details Projection display device with a projection module Projection display device with a projection module

2008-01-29

2010-12-14

Dowling, William C (Department: 2878)

Optics: image projectors

Distortion compensation

C353S119000, C353S122000, C353S079000

Reexamination Certificate

active

07850311

ABSTRACT:
A front projection display device having a projection module and a docking station. The docking station has a base. Further, the docking station can include an extendable arm attached to the base. The projection module contains an optical engine. The optical engine includes an illumination system, an imaging system, and a wide-angle projection lens. The optical engine outputs an image at a half field angle of at least 45°. The projected image has substantially no distortion and requires substantially no keystone correction.

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Product Brochure, “Display Technologies by Carl Zeiss”, Carl Zeiss Jena GmbH, Jena, Germany (date unknown).

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