Projection optical system

Details Projection optical system Projection optical system

2011-07-26

2011-07-26

Epps, Georgia Y (Department: 2878)

Optics: image projectors

Composite projected image

Multicolor picture

Reexamination Certificate

active

07984992

ABSTRACT:
Provided is a projection optical system including a first part which projects an image; a second part having an image forming device which forms an image using a light and emits the image to the first part, and having an axis angled toward an axis of the first part; a third part including at least one light source, which emits the light, and having an axis angled toward the axis of the second part; and a deflector which guides the light emitted from the third part toward the second part, wherein a pupil plane of the second part is located between the first part and the second part, and a cross-point between the axis of the first part and the pupil plane of the second part is separated from a cross-point between the axis of the second part and the pupil plane of the second part.

REFERENCES:
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patent: 5796526 (1998-08-01), Anderson
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European Search Report issued in counterpart European Application No. 08159419.4, dated Mar. 23, 2010.

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