Circuit arrangement for igniting gas discharge flash tubes

Details Circuit arrangement for igniting gas discharge flash tubes Circuit arrangement for igniting gas discharge flash tubes

1998-09-18

2000-08-08

Philogene, Haissa

Electric lamp and discharge devices: systems

Condenser in the supply circuit

Inductance in the condenser circuit

315289, 315291, 315200A, 315307, H05B 3700

Patent

active

061006491

ABSTRACT:
The invention provides a circuit arrangement for igniting gas discharge flash tubes including a gas discharge flash tube having two-spaced-apart electrodes, a pulse forming network and a voltage generator for supplying ignition pulses and tube burning pulses during simmer mode, the arrangement having a resonant circuit connected in circuit between the electrodes and the voltage generator, wherein the voltage generator provides the resonant circuit with AC high frequency voltage for producing gradually increasing amplitudes of an AC voltage until ignition voltage is achieved and for supplying AC voltage of a lower level in comparison to the level of the ignition voltage, for sustaining the burning of the tube during the simmer mode.

REFERENCES:
patent: 3912968 (1975-10-01), Nakamura
patent: 4037136 (1977-07-01), Hoene
patent: 4070601 (1978-01-01), Hoene
patent: 4695771 (1987-09-01), Hallay
patent: 5051660 (1991-09-01), Domann et al.
patent: 5367227 (1994-11-01), Gademann et al.

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