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

1996-02-29

1998-10-27

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, H05B 4114

Patent

active

058281860

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: 4210850 (1980-07-01), Britton
patent: 4403173 (1983-09-01), Mayer
patent: 4414600 (1983-11-01), Schweickardt
patent: 4749914 (1988-06-01), Feher et al.
patent: 4958107 (1990-09-01), Mattas et al.
patent: 5084655 (1992-01-01), Van Zanten
patent: 5087859 (1992-02-01), Blankers
patent: 5387845 (1995-02-01), Nilssen

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