Lamp containing phase-control power controller with analog...

Details Lamp containing phase-control power controller with analog... Lamp containing phase-control power controller with analog...

2007-04-03

2007-04-03

Tran, Thuy Vinh (Department: 2821)

Electric lamp and discharge devices: systems

Current and/or voltage regulation

Automatic regulation

C315S149000, C315S20000A

Reexamination Certificate

active

11051602

ABSTRACT:
A lamp includes a phase-control power controller within the lamp. The phase-control power controller includes an analog load voltage sensor that provides an optical output related to an RMS load voltage and a phase-controlled dimming circuit that has a comparison circuit that varies a resistance in the phase-controlled dimming circuit responsive to the optical output from the load voltage sensor.

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