Solid-state ballast for rapid-start type fluorescent lamps

Details Solid-state ballast for rapid-start type fluorescent lamps Solid-state ballast for rapid-start type fluorescent lamps

1978-08-28

1981-07-07

Chatmon, Jr., Saxfield

Electric lamp and discharge devices: systems

With cathode or cathode heater supply circuit

Plural cathodes or heaters in the load device

315DIG5, 315DIG7, 315201, 315205, 315307, 315101, 331114, H05B 3900, H05B 4114

Patent

active

042777267

ABSTRACT:
A novel transistorized fluorescent lamp ballast and lamp combination operates from AC line voltage. The ballast provides for "soft-start" lamp operation in one featured aspect and provides for some lamp light output regulation in another featured aspect thereof.

REFERENCES:
patent: 2923856 (1960-02-01), Greene et al.
patent: 3005130, Schwartz
patent: 3611021 (1971-10-01), Wallace
patent: 3973165 (1976-08-01), Hester

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