Device for projection display

Optics: image projectors – Cabinet encloses projector and one side of screen – Reflector between lamp and screen

Reexamination Certificate

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Details

C353S119000, C353S074000, C359S460000, C348S787000

Reexamination Certificate

active

06869188

ABSTRACT:
A projection display device that is more compactly composed as compared with a conventional device by reducing the total width of a device, that is, the length between the rear of outer case and screen. The projection display device comprises an optical engine for projecting a light beam; a projection lens for magnifying and projecting the light beam projected by the optical engine; a reflection mirror for reflecting the light beam, magnified and projected through the projection lens, on the full screen of a screen; a screen for realizing an image using the light beam reflected by the reflection mirror; and a lower cabinet for supporting the screen, wherein a part of the optical engine mounted in the lower cabinet is protruded by a predetermined length in front as compared with the screen.

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patent: 6309074 (2001-10-01), Inbar et al.
patent: 6445407 (2002-09-01), Wright
patent: 6661473 (2003-12-01), Teshima et al.

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