Multi-projection display and projector

Details Multi-projection display and projector Multi-projection display and projector

2007-09-18

2007-09-18

Fuller, Rodney (Department: 2851)

Optics: image projectors

Plural

C353S030000

Reexamination Certificate

active

11052232

ABSTRACT:
Exemplary embodiments uniformize light intensity during projection, by tiling, in a state having an overlap of projection images respectively from a plurality of projectors in part thereof. A semi-transmissive shadow plate to adjust the amount of light to an overlap is provided inner of a projector housing than a projection lens, e.g., on a light-exit side surface of a cross dichroic prism. The semi-transmissive shadow plate can be movably arranged to cope with a form, size and position of the overlap.

REFERENCES:
patent: 6513938 (2003-02-01), Kubota et al.
patent: 6637887 (2003-10-01), Yamanaka
patent: 6986583 (2006-01-01), Nishio et al.
patent: 06-169444 (1994-06-01), None
patent: 2001-268476 (2001-09-01), None

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