Driver circuit controller for AC to AC converters

Details Driver circuit controller for AC to AC converters Driver circuit controller for AC to AC converters

1985-06-24

1986-09-23

Dixon, Harold

Electric lamp and discharge devices: systems

Discharge device and/or rectifier in the supply circuit

Plural discharge devices and/or rectifiers in the supply...

315208, 315224, 315226, 315DIG7, 363 37, H05B 3700

Patent

active

046137955

ABSTRACT:
The switches of an AC to AC converter are switched synchronously with the AC supply voltage. EMI conducted to the AC power line is greatly reduced since the rectifier diodes are off at the time of switching, thus avoiding undesirable effects on nearby electrical apparatus. The converter is useful in a ballast for a discharge lamp.

REFERENCES:
patent: 3360710 (1967-12-01), Barthold
patent: 3896336 (1975-07-01), Schreiner et al.
patent: 4170747 (1979-10-01), Holmes
patent: 4330817 (1982-05-01), Avar et al.
U.S. Patent Application Ser. No. 562,919, to Flugan, filed Dec. 19, 1983.

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