Screen, projector, and image display device

Optical: systems and elements – Projection screen – Moving during projection

Reexamination Certificate

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Reexamination Certificate

active

07660037

ABSTRACT:
A screen includes; a plurality of layers including a diffusion layer that diffuses incident tight; an elastic member that movably supports the diffusion layer with respect to an arbitrary holding part; and a driving unit that moves the diffusion layer in a direction perpendicular to an optical axis of light that is incident to the diffusion layer.

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