Rear projector for projecting an image from a rear side of a...

Details Rear projector for projecting an image from a rear side of a... Rear projector for projecting an image from a rear side of a...

2006-04-04

2006-04-04

Koval, Melissa Jan (Department: 2851)

Optics: image projectors

Cabinet encloses projector and one side of screen

C353S020000, C353S031000, C353S033000, C353S079000, C353S099000, C349S005000, C349S009000

Reexamination Certificate

active

07021769

ABSTRACT:
A light-source unit is disposed such that illumination light is horizontally emitted relative to an oblong screen. Three liquid-crystal display panels respectively have a liquid-crystal display surface of a rectangle. The display panels are disposed in a lengthwise posture and in a state that longer sides of the display surfaces are parallel with each other. At the same time, all the longer sides are perpendicular to a reference plane. A projection optical system is provided with a reflex mirror for perpendicularly bending an optical path. A rotation optical system for rotating projection light by 90 degrees is constituted of the reflex mirror and a plane mirror disposed behind the screen.

REFERENCES:
patent: 6508554 (2003-01-01), Hatakeyama et al.
patent: 6575578 (2003-06-01), Ito
patent: 6893131 (2005-05-01), Imahase et al.
patent: 2002-141025 (2002-05-01), None

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