Computer graphics processing and selective visual display system – Plural physical display element control system – Optical means interposed in viewing path
Reexamination Certificate
2004-04-30
2008-08-05
Tran, My-Chau T (Department: 2629)
Computer graphics processing and selective visual display system
Plural physical display element control system
Optical means interposed in viewing path
C345S082000, C345S083000, C345S204000, C345S690000, C345S692000, C349S008000, C348S744000, C348S758000
Reexamination Certificate
active
07408527
ABSTRACT:
A projection system is provided with a controller equipped to drive light emitting devices of a light source of the projection system in a manner that enhances the operational life of the light emitting devices, the ability to provide peak white, and/or finer gray scale.
REFERENCES:
patent: 4851818 (1989-07-01), Brown et al.
patent: 5912568 (1999-06-01), Kiley
patent: 6038021 (2000-03-01), Piso et al.
patent: 6144352 (2000-11-01), Matsuda et al.
patent: 6208073 (2001-03-01), Wng et al.
patent: 6232963 (2001-05-01), Tew
patent: 6377236 (2002-04-01), Karamoto
patent: 6400099 (2002-06-01), Walker
patent: 6490466 (2002-12-01), Fein et al.
patent: 6571113 (2003-05-01), Fein et al.
patent: 6584217 (2003-06-01), Lawless et al.
patent: 6621235 (2003-09-01), Chang
patent: 6626829 (2003-09-01), Skaggs
patent: 6628252 (2003-09-01), Hoshino et al.
patent: 6738649 (2004-05-01), Suzuki
patent: 6748180 (2004-06-01), Feng
patent: 6777883 (2004-08-01), Mukherjee
patent: 6825619 (2004-11-01), Norris
patent: 6844760 (2005-01-01), Koharagi et al.
patent: 6856765 (2005-02-01), Okubo
patent: 6870325 (2005-03-01), Bushell et al.
patent: 6873203 (2005-03-01), Latham, II et al.
patent: 7052138 (2006-05-01), Matsui
patent: 7088321 (2006-08-01), Parker
patent: 1395064 (2004-03-01), None
patent: 2388993 (2003-11-01), None
patent: WO 02/080136 (2002-10-01), None
patent: WO 2004059398 (2004-07-01), None
Infocus Corporation
Schwabe Williamson & Wyatt
Tran My-Chau T
LandOfFree
Light emitting device driving method and projection... does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Light emitting device driving method and projection..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Light emitting device driving method and projection... will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-4002689