Power supply for gas discharge lamps

Details Power supply for gas discharge lamps Power supply for gas discharge lamps

1991-08-09

1992-11-17

Mis, David

Electric lamp and discharge devices: systems

Periodic switch in the supply circuit

Silicon controlled rectifier ignition

315226, 363 37, H05B 4129

Patent

active

051646374

ABSTRACT:
High-efficiency inverter circuits, particularly half-bridge devices, are especially suitable for energizing gas discharge lamps. The inverters preferably employ a series-connected combination of an inductor and a capacitor to be energized upon periodic transistor conduction. Transistor drive current is provided through the use of at least one saturable inductor to control the transistor inversion frequency to be equal to or higher than the natural resonant frequency of the inductor and capacitor combination. The inverters can develop high output voltages to supply external loads connected to the inductor-capacitor combination.

REFERENCES:
patent: 3657598 (1972-04-01), Nomura et al.
patent: 3896336 (1975-07-01), Schreiner et al.

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