Optics: image projectors – Reflector
Reexamination Certificate
2006-06-06
2006-06-06
Perkey, W. B. (Department: 2851)
Optics: image projectors
Reflector
C353S037000, C359S201100, C359S212100
Reexamination Certificate
active
07055968
ABSTRACT:
A projection type display device includes a light source, a picture information display element, and a light deflection device with a function to deflect light from the light source and irradiate the deflected light on a region of the picture information display element. The light deflection device scans the region on the picture information display element to be irradiated with light over the entire picture information display element within each frame period to thereby project a picture. A picture is displayed by changing the region on the picture information display element irradiated by light within a period of each one frame. The projection type display device provides sharp moving pictures and bright images. Furthermore, the projection type display device provides a wide dynamic range and faithful tone reproducibility for pictures that are mainly dark images. Moreover, the projection type display device can use a Half-V type FLC element for creating bright and sharp moving pictures.
REFERENCES:
patent: 5255082 (1993-10-01), Tamada
patent: 5339118 (1994-08-01), Tagami
patent: 5410370 (1995-04-01), Janssen
patent: 5479187 (1995-12-01), Chen
patent: 5528318 (1996-06-01), Janssen
patent: 5835249 (1998-11-01), Yamada et al.
patent: 5969832 (1999-10-01), Nakanishi et al.
patent: 6420000 (2002-07-01), Nakamura et al.
patent: 6511184 (2003-01-01), Yamagishi et al.
patent: 6568811 (2003-05-01), Noda et al.
patent: 6619802 (2003-09-01), Janssen et al.
patent: 6803901 (2004-10-01), Numao
patent: 2001/0050661 (2001-12-01), Noda et al.
patent: 2002/0140908 (2002-10-01), Kim et al.
patent: 2004/0017348 (2004-01-01), Numao
patent: 5-224166 (1993-09-01), None
patent: 6-319148 (1994-11-01), None
patent: 2001-36900 (2001-02-01), None
patent: 2001-183622 (2001-07-01), None
patent: 2002-72966 (2002-03-01), None
Canon Kabushiki Kaisha
Fitzpatrick ,Cella, Harper & Scinto
Perkey W. B.
Sever Andrew
LandOfFree
Projection type display device 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 device, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Projection type display device will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-3692080