Electronic ballast for a discharge lamp with current sensing

Details Electronic ballast for a discharge lamp with current sensing Electronic ballast for a discharge lamp with current sensing

1992-07-28

1994-03-01

Pascal, Robert J.

Electric lamp and discharge devices: systems

Periodic switch in the supply circuit

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

315219, 315208, 315DIG5, 315DIG7, H05B 3702

Patent

active

052911012

ABSTRACT:
An electronic ballast for use with a fluorescent lamp. A pair of oppositely poled diodes connected in parallel with a transformer used to drive the switching transistors of an inverter in the ballast, ensuring operation of the transistors at zero current crossing.

REFERENCES:
patent: 4175246 (1979-11-01), Feinberg et al.
patent: 4472661 (1984-09-01), Culver
patent: 4553070 (1985-11-01), Sairanen et al.
patent: 4722040 (1988-01-01), Ball
patent: 5034660 (1991-07-01), Sairanen
patent: 5045760 (1991-09-01), Teresinki
patent: 5063331 (1991-11-01), Nostwick

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