Projector

Details Projector Projector

1997-10-29

2000-09-19

Dowling, William

Optics: image projectors

Composite projected image

Multicolor picture

353102, G03B 2114

Patent

active

061201537

ABSTRACT:
A projector is provided with an illuminator, dichroic mirror for splitting illumination light into a plurality of light components, a plurality of light propagating paths in which the plurality of light components are introduced to corresponding image panels. In a propagating path having a largest distance, there are provided a relay optical system having a relay lens and a field lens. The relay lens and/or the field lens have a refractive index of 1.75 or more.

REFERENCES:
patent: 4943154 (1990-07-01), Miyatake
patent: 5331622 (1994-07-01), Ernst
patent: 5568315 (1996-10-01), Shuman
patent: 5613749 (1997-03-01), Shikama
patent: 5626409 (1997-05-01), Nakayama
patent: 5646778 (1997-07-01), Shuman
patent: 5657164 (1997-08-01), Shuman
patent: 5743610 (1998-04-01), Yajima

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