Projection type image display apparatus

Optics: image projectors – Distortion compensation – For projection axis inclined to screen

Reexamination Certificate

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Details

C353S098000, C353S101000, C359S649000, C359S813000, C359S823000

Reexamination Certificate

active

08002418

ABSTRACT:
A projection type image display apparatus includes an image display element, a lens group disposed in a direction of propagation of light with respect to the image display element and being formed with a plural number of lenses, a s reflection mirror configured to reflect light emitted from the lens group thereon so as to project the light on a screen, obliquely, and a housing configured to receive the reflection mirror and the lens group therein. The lens group is fixed on a bottom portion of the housing, and a part of the lens group is configured to enable movement of lenses of the lens group.

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