Projector apparatus

Details Projector apparatus Projector apparatus

2007-09-05

2009-06-30

Koval, Melissa J (Department: 2862)

Optics: image projectors

Composite projected image

Multicolor picture

C353S081000, C353S119000

Reexamination Certificate

active

07553027

ABSTRACT:
The projector apparatus of the invention constructs colored imaging light by splitting a beam of light received from a light source into beams of three primary colors and inputting the beams of three primary colors in an image synthesizing device via light adjusting device. The image synthesizing device includes a prism, a prism mount for fixing the prism, LCPs, and LCP holders integral with the prism mounts for fixing the LCPs. The prism mount has a central area and multiple peripheral areas, each area in contact with the prism. The invention provides effective solution for solving reliability problems encountered in a cost reduction strategy for miniaturization of a prism and for using inexpensive plastic prism fixation members.

REFERENCES:
patent: 5191515 (1993-03-01), Hayamatsu
patent: 6565213 (2003-05-01), Yamaguchi et al.
patent: 6595645 (2003-07-01), Shiraishi et al.
patent: 6781641 (2004-08-01), Okada et al.
patent: 2004/0012982 (2004-01-01), Kim

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