Projector

Details Projector Projector

2006-04-18

2006-04-18

Perkey, W. B. (Department: 2851)

Optics: image projectors

Composite projected image

Multicolor picture

C353S033000, C353S034000, C353S037000, C353S060000, C353S081000, C353S082000, C353S084000, C349S008000, C348S748000, C348S750000, C348S757000

Reexamination Certificate

active

07029122

ABSTRACT:
A projector for projecting an image to an external screen in which an optical unit, includes rectangular liquid crystal panels disposed such that the short sides thereof are substantially parallel with a plane including principal light beams of the respective color light beams to be composited by a prism. Transmission cables are drawn out from the short sides of the respective liquid crystal panels, and a cooling fan is disposed such that the direction of cooling air is approximately parallel with the long sides of the liquid crystal panels.

REFERENCES:
patent: 6375330 (2002-04-01), Mihalakis
patent: 6471357 (2002-10-01), Hara et al.
patent: 6623129 (2003-09-01), Fujimori
patent: 6783242 (2004-08-01), Hirata et al.
patent: 2002/0085178 (2002-07-01), Mihara
patent: 106552 (2001-01-01), None

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