Projection display apparatus

Details Projection display apparatus Projection display apparatus

2008-03-11

2008-03-11

Amari, Alessandro (Department: 2872)

Optical: systems and elements

Mirror

Plural mirrors or reflecting surfaces

C359S861000, C353S099000

Reexamination Certificate

active

07341357

ABSTRACT:
A projection display apparatus includes an image forming element, and an imaging optical system made up of a plurality of reflectors for projecting an image formed by the image forming element to provide an enlarged version of the image, wherein at least one of the reflectors which make up the imaging optical system is movable for adjusting the focus, and the movable reflector is movable along a straight line non-parallel with the normal line of the image forming element.

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