Electric power supply system for LED lighting unit

Details Electric power supply system for LED lighting unit Electric power supply system for LED lighting unit

2005-05-24

2005-05-24

Vu, David (Department: 2828)

Electric lamp and discharge devices: systems

Current and/or voltage regulation

C315S119000, C315S18500S

Reexamination Certificate

active

06897623

ABSTRACT:
An electric power supply system is provided to recognize a type or a desired operating condition of a connected LED lighting unit automatically and to supply electric power corresponding to the type or the operating condition.An electric power supply system for LED lighting unit comprises an LED lighting unit1that has an LED conducting circuit including at least an LED2and a resistor4having resistance R corresponding to a specification or a characteristics of use of the LED conducting circuit and an electric power supply unit5consisting of a constant current supply that can be connected with both ends of the LED conducting circuit in order to supply electric power to the LED conducting circuit and is so arranged that a type identify portion9consisting of a resistor measuring circuit that can be connected with both ends of the resistor and a constant current control portion8that supplies a control current in an arbitrary range not over the maximum allowable current of the LED conducting circuit set based on the resistance of the resistor measured by the type identify portion9to the LED conducting circuit.

REFERENCES:
patent: 5861729 (1999-01-01), Maeda et al.
patent: 6033087 (2000-03-01), Shozo et al.
patent: 6122042 (2000-09-01), Wunderman et al.
patent: 6281991 (2001-08-01), Mori et al.
patent: 6400101 (2002-06-01), Biebl et al.
patent: 6577512 (2003-06-01), Tripathi et al.
patent: 100 51 528 (2002-05-01), None
patent: 1 244 334 (2002-09-01), None
patent: WO 0203524 (2002-01-01), None

Affiliated with

Also associated with

Rating

Electric power supply system for LED lighting unit does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Electric power supply system for LED lighting unit, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Electric power supply system for LED lighting unit will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-3381392