Optics: image projectors – Housing
Reexamination Certificate
2005-09-20
2005-09-20
Nguyen, Judy (Department: 2851)
Optics: image projectors
Housing
C353S052000, C353S061000, C349S005000, C349S006000
Reexamination Certificate
active
06945655
ABSTRACT:
A convection cooled liquid crystal display panel projector having a low wattage light source. The projector consist of a housing with a plurality of louvered vents preventing light from escaping from the housing while allowing air to circulate there through. A primary lens configuration having a light source, and a liquid crystal display panel, a Fresnel lens and a projector mirror. An overhead lens configuration by said light source and a Fresnel lens and liquid crystal display panel with a mirror in spaced relation thereto.
REFERENCES:
patent: 3610747 (1971-10-01), Bickel
patent: 3711194 (1973-01-01), Wilson, Jr.
patent: 4880303 (1989-11-01), Grunwald
patent: 4882599 (1989-11-01), Grunwald
patent: 4904079 (1990-02-01), Yoshimura et al.
patent: 5300942 (1994-04-01), Dolgoff
patent: 5682216 (1997-10-01), Lin et al.
patent: 5683160 (1997-11-01), Fukaya et al.
patent: 5842761 (1998-12-01), Futakami et al.
patent: 5889614 (1999-03-01), Cobben et al.
patent: 6104536 (2000-08-01), Eckhardt
patent: 6764184 (2004-07-01), Carkner
Nguyen Judy
Sever Andrew
LandOfFree
Convection cooled light projector does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Convection cooled light projector, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Convection cooled light projector will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-3377368