Device for regulating the backlighting of an LC display

Details Device for regulating the backlighting of an LC display Device for regulating the backlighting of an LC display

2011-03-08

2011-03-08

Sohn, Seung C (Department: 2878)

Radiant energy

Photocells; circuits and apparatus

Photocell controlled circuit

C250S221000, C250S214100, C315S149000, C315S156000, C315S159000

Reexamination Certificate

active

07902491

ABSTRACT:
A device for controlling the luminosity of an illuminating device, in particular for LC-display units in household appliances, includes a sensor which is used to detect the presence of a user, and a luminosity sensor. An exchange between two different luminosity values of the illuminating device according to the presence of a user and according to the surrounding luminosity takes place in a continuous manner.

REFERENCES:
patent: 4760389 (1988-07-01), Aoki et al.
patent: 5406173 (1995-04-01), Mix et al.
patent: 5422544 (1995-06-01), Giddings et al.
patent: 5490005 (1996-02-01), Jueliger
patent: 5763872 (1998-06-01), Ness
patent: 5789868 (1998-08-01), Sears
patent: 5834765 (1998-11-01), Ashdown
patent: 6275163 (2001-08-01), Bogorad et al.
patent: 6583573 (2003-06-01), Bierman
patent: 7280102 (2007-10-01), Abileah et al.
patent: 2003/0116153 (2003-06-01), Anschutz et al.
patent: 2005/0212652 (2005-09-01), Ludenia
patent: 41 40 647 (1993-06-01), None
patent: 198 01 065 (1999-07-01), None
patent: 198 16 749 (1999-10-01), None
patent: 199 55 499 (2001-05-01), None
patent: 100 08 072 (2001-08-01), None
patent: 100 31 660 (2002-01-01), None
patent: 102 36 937 (2004-02-01), None
patent: 0 224 869 (1987-06-01), None
Chinese Office Action dated Apr. 6, 2010.

Affiliated with

Also associated with

Rating

Device for regulating the backlighting of an LC display does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Device for regulating the backlighting of an LC display, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Device for regulating the backlighting of an LC display will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-2648561