Projector optical unit, projection type image display...

Details Projector optical unit, projection type image display... Projector optical unit, projection type image display...

2007-05-01

2007-05-01

Perkey, W. B. (Department: 2851)

Optics: image projectors

Particular condenser

C353S031000, C353S034000, C353S037000, C353S081000, C353S098000, C359S460000, C359S649000, C359S663000, C348S757000, C349S007000

Reexamination Certificate

active

10865643

ABSTRACT:
In a projection type image display apparatus, a projector optical unit for projecting an image onto a screen while magnifying a size of the image to be projected with respect to an original size of the image displayed by an image forming element, has a group of lenses for magnifying the size of the image with respect to the original size thereof, and an optical path extending from the image forming element to the screen to transmit the image along the optical path.

REFERENCES:
patent: 5692820 (1997-12-01), Gale et al.
patent: 6094311 (2000-07-01), Moskovich
patent: 6375330 (2002-04-01), Mihalakis
patent: 7009765 (2006-03-01), Gohman
patent: 2001/0019454 (2001-09-01), Tadic-Galeb et al.
patent: 2343966 (2000-05-01), None
patent: 05-134213 (1993-05-01), None
patent: 06-265814 (1994-09-01), None
patent: 2000-155373 (2000-06-01), None
patent: 2000-162544 (2000-06-01), None
patent: 2001-350132 (2001-12-01), None
patent: 2002-357768 (2002-12-01), None
patent: 2003-121881 (2003-04-01), None

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