AC illumination apparatus with amplitude partitioning

Details AC illumination apparatus with amplitude partitioning AC illumination apparatus with amplitude partitioning

2011-01-04

2011-01-04

Owens, Douglas W (Department: 2821)

Electric lamp and discharge devices: systems

Current and/or voltage regulation

C315S155000, C315S205000, C315S360000

Reexamination Certificate

active

07863831

ABSTRACT:
A method includes rectifying AC power and controlling switching of first, second and third currents from and rectified power and a switching sequence that is locked to the AC cycle time by sensing an amplitude of at least one of the AC power and the rectified power. The first, second and third currents are conducted through corresponding first, second and third series of color light emitting devices of different colors. The switching sequence repeats at least twice each AC cycle time.

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