Inverter circuit capable of adjusting power factor

Details Inverter circuit capable of adjusting power factor Inverter circuit capable of adjusting power factor

2006-05-16

2006-05-16

Philogene, Haissa (Department: 2828)

Electric lamp and discharge devices: systems

Pulsating or a.c. supply

With power factor control device

C315S2090SC, C315S244000, C315S276000, C315S291000, C315S307000, C315SDIG002, C363S097000, C363S131000, C310S318000

Reexamination Certificate

active

07045969

ABSTRACT:
An inverter circuit capable of adjusting power factor transforms an AC signal of an electric power source to a pulse DC signal through a rectification unit and divides the duty cycle of minimum input voltage-maximum input voltage-minimum input voltage of the pulse DC signal to a plurality of continuous voltage pulses through an actuation unit so that a transformer outputs an altering duty cycle according to the resonant operation of each voltage pulse and enables a cold cathode lamp to blink in a dark-light-dark fashion to adjust the power factor without adding a power factor adjustment device.

REFERENCES:
patent: 5023518 (1991-06-01), Mans et al.
patent: 5698952 (1997-12-01), Stebbins
patent: 6278625 (2001-08-01), Boyd
patent: 6864644 (2005-03-01), Kernahan

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