Ballast circuit for driving gas discharge

Details Ballast circuit for driving gas discharge Ballast circuit for driving gas discharge

1993-10-29

1995-03-21

Pascal, Robert J.

Electric lamp and discharge devices: systems

Periodic switch in the supply circuit

Periodic switch in the primary circuit of the supply...

315247, 315205, 315307, 315DIG5, 315DIG7, H05B 3702

Patent

active

053999444

ABSTRACT:
A circuit for powering gas discharge lamps includes a power factor correction inductor coupled to a source of rectified, pulsating AC power. An energy storage circuit is connected to the power factor correction inductor, and a switch is coupled to a junction between the power factor correction inductor and the energy storage circuit. A resonant circuit couples the energy storage circuit to the gas discharge lamps.

REFERENCES:
patent: 4075476 (1978-02-01), Pitel
patent: 4109307 (1978-08-01), Knoll
patent: 4277728 (1981-07-01), Stevens

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