Uni-directional light emitting diode drive circuit in pulsed...

Electric lamp and discharge devices: systems – Current and/or voltage regulation – Automatic regulation

Reexamination Certificate

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Details

C315S291000, C315S250000, C315S224000

Reexamination Certificate

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08058820

ABSTRACT:
The present invention uses the capacitive, inductive, or resistive impedance component to constitute the first impedance, and uses the inductive impedance component and capacitive impedance component which produce parallel resonance after parallel connection to constitute the second impedance, whereby the first impedance and the second impedance are series connected for inputting pulsed DC power, and the divided power thereof is rectified to drive the uni-directional light emitting diode.

REFERENCES:
patent: 2005/0122062 (2005-06-01), Hsu
patent: 2009/0021185 (2009-01-01), Ng
patent: 2010/0308751 (2010-12-01), Nerone
patent: 2010/0320931 (2010-12-01), Radermacher et al.

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