Ignition scheme for a high pressure discharge lamp

Details Ignition scheme for a high pressure discharge lamp Ignition scheme for a high pressure discharge lamp

1998-03-03

2000-02-22

Kinkead, Arnold

Electric lamp and discharge devices: systems

Surge generator or inductance in the supply circuit

Circuit interrupter in the inductance circuit

315289, 315276, 315DIG2, H05B 4100

Patent

active

060284013

ABSTRACT:
A circuit arrangement for igniting a high pressure discharge lamp includes a secondary winding of a pulse transformer which is at least partially capacitively shunted forming a tuned filter. The tuned filter preferably forms a band pass filter for passing the second harmonic of the signal produced by a pulse generator. An increase in the supply of current during take-over results thereby minimizing the time required for ignition.

REFERENCES:
patent: 5828186 (1998-10-01), Slegers et al.

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