Electric lamp and discharge devices: systems – Surge generator or inductance in the supply circuit
Patent
1981-02-09
1982-10-19
La Roche, Eugene R.
Electric lamp and discharge devices: systems
Surge generator or inductance in the supply circuit
315207, 315240, 315243, H05B 4116
Patent
active
043552641
ABSTRACT:
A starter circuit for a high power discharge lamp connected to an AC source via a series inductor. The starter circuit comprises a capacitor connected in series with a triac across the lamp, and a branch including a first resistor connected in series with a zener diode and a second resistor between the junction of the capacitor and triac and one side of the AC source. A driving circuit for the triac includes a diac connected to the junction of the second resistor and zener diode.
REFERENCES:
patent: 3679936 (1972-07-01), Moerkens
patent: 4210850 (1980-07-01), Britton
Claude, S.A.
Coleman Edward J.
La Roche Eugene R.
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