Patent ID: 7102902
Filing Date: 2006-09-05
Classification: H05B,Y02B,Y10S

Abstract:
1. A cicuit adapted for use with a dimmer wherein a predetermined variable electrical load is made available to said dimmer, an AC source applying power to said circuit comprising: means for coupling the output of said AC dimmer to a rectifier; a first Zener diode having an anode and first and second resistors connected in series, said series connected components being in turn connected in parallel with said rectifier; a second Zener diode having an anode and cathode, said second Zener diode connected in parallel with second resistor, the cathode of said second Zener diode being connected to the node between the first and second resistors; a third resistor connected between said second Zener diode cathode and the gate electrode of a first MOSFET device, the drain electrode of said first MOSFET device being coupled to the cathode of a first diode, a third Zener diode and the sixth resistor; a fourth and fifth resistor connected in series, said series connection in turn connected in parallel with said rectifier; the anode of said first Zener diode being connected to the junction of said fourth and fifth resistor; and a sixth resistor connected to the base electrode of a second MOSFET device having a drain electrode, the drain electrode of said second MOSFET device being connected to the cathode of said first Zener diode via a seventh resistor, said seventh resistor and second MOSFET cooperating to apply said electrical load to said dimmer.