Optics: image projectors – Reflector – Plural
Reexamination Certificate
2011-03-01
2011-03-01
Pyo, Kevin (Department: 2878)
Optics: image projectors
Reflector
Plural
C353S077000, C353S098000, C359S449000, C359S850000
Reexamination Certificate
active
07896507
ABSTRACT:
In a projection type display apparatus for enabling to display an image, by projecting an image on an image display element(s), enlargedly, upon a nearly horizontal surface, such as, a table, a reflection mirror for reflecting a light from a light source is so disposed that an optical axis of the light source is nearly perpendicular to an optical axis of a lens group having a plural number of lens elements, which are disposed symmetric with respect to the optical axis.
REFERENCES:
patent: 5648871 (1997-07-01), Okuyama et al.
patent: 2006/0114430 (2006-06-01), Masubuchi et al.
patent: 2006/0164605 (2006-07-01), Kuwa
patent: 2006/0227299 (2006-10-01), Hisada et al.
patent: 2006/0227432 (2006-10-01), Yoshikawa et al.
patent: 2006/0238718 (2006-10-01), Erickson et al.
patent: 2009/0115975 (2009-05-01), Ogura
patent: 1844968 (2006-10-01), None
patent: 05-134213 (1993-05-01), None
patent: 2003/29210 (2003-01-01), None
patent: 2006-138882 (2006-06-01), None
patent: 2006-154041 (2006-06-01), None
patent: 2006-292900 (2006-10-01), None
patent: 2006-292901 (2006-10-01), None
Hirata Koji
Hisada Takanori
Yatsu Masahiko
Antonelli, Terry Stout & Kraus, LLP.
Hitachi , Ltd.
Pyo Kevin
LandOfFree
Projection type display apparatus does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Projection type display apparatus, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Projection type display apparatus will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-2681202