Circuit arrangement for igniting a gas discharge flash tube

Details Circuit arrangement for igniting a gas discharge flash tube Circuit arrangement for igniting a gas discharge flash tube

1976-04-07

1977-10-18

La Roche, Eugene R.

Electric lamp and discharge devices: systems

Condenser in the supply circuit

Condenser in shunt to the load device and the supply

315173, 315240, 354135, H05B 4123

Patent

active

040548155

ABSTRACT:
A circuit arrangement for igniting a gas discharge flush tube in which the flash tube is arranged in the circuit of a voltage source in parallel to a flash capacitor and the flash tube is connected to an ignition voltage generator which emits high voltage pulses during operation of the circuit arrangement. The ignition voltage generator has a low impedance, in particular low inductance, and the high voltage pulses produced thereby initiate ignition of and at least approximately adiabatically head a plasma channel in the flash tube. The ignition voltage generator is fundamentally capacitive. In one embodiment of the invention it comprises a second voltage source for charging a second capacitor connected in parallel with the flash tube, whereas in another embodiment the ignition voltage generator contains a piezoelectric crystal or a pyro electric crystal.

REFERENCES:
patent: 3782258 (1974-01-01), Boekkooi et al.
patent: 3800187 (1974-03-01), Ludloff
patent: 3882358 (1976-05-01), Deskevich et al.

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