Electronic ballast

Details Electronic ballast Electronic ballast

1978-02-27

1980-12-16

Chatmon, Jr., Saxfield

Electric lamp and discharge devices: systems

Periodic switch in the supply circuit

Impedance or current regulator in the supply circuit

315DIG5, 315DIG7, 315287, 315299, 315307, 315308, 363 23, 331113A, H05B 3702, H05B 3904, H05B 4136

Patent

active

042400090

ABSTRACT:
An electronic ballast for starting and operating gaseous discharge lamps from a low voltage d-c source which employs a regulated inverter providing controlled high ignition voltage, constant current warm-up and constant wattage operation for one or more lamps.

REFERENCES:
patent: 3967159 (1976-06-01), Dendy et al.
patent: 3969652 (1976-07-01), Herzog
patent: 3999100 (1976-12-01), Dendy et al.
patent: 4004187 (1977-01-01), Walker
patent: 4004188 (1977-01-01), Cooper

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