Power source for fluorescent lamps and the like

Details Power source for fluorescent lamps and the like Power source for fluorescent lamps and the like

1975-09-10

1977-04-12

Pellinen, A. D.

Electric lamp and discharge devices: systems

Pulsating or a.c. supply

Plural load device systems

315221, 321 20, H02M 5458

Patent

active

040177858

ABSTRACT:
A power source for operating gas discharge lamps and other loads at high frequency, typically utilizing a 115 volt ac source rectified to provide a dc input in the order of 150 volts, and providing a 20,000 hertz output. An inverter with power supply, oscillator circuit and transformer, with conventional primary, secondary and feedback windings for operating the transistor oscillator. An additional output winding on the transformer with a rectifier and filter providing a supplemental dc supply connected to the main dc supply in parallel or in series to supplement a fluctuating main dc supply and maintain continuous oscillator operation while utilizing small filter capacitance and substantially reducing peak ac line current.

REFERENCES:
patent: 3242414 (1966-03-01), Zelina
patent: 3818308 (1974-06-01), Tamari
patent: 3876922 (1975-04-01), Forstbauer
patent: 3909696 (1975-09-01), Katou et al.

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