Electric lamp and discharge devices: systems – Surge generator or inductance in the supply circuit – Circuit interrupter in the inductance circuit
Patent
1999-03-30
2000-07-18
Philogene, Haissa
Electric lamp and discharge devices: systems
Surge generator or inductance in the supply circuit
Circuit interrupter in the inductance circuit
315209SC, 315205, 315276, 315DIG5, H05B 3700
Patent
active
060912081
ABSTRACT:
An ignitor is provided to predictably and reliably start a conventional HID lamp, or to start or restart an HID lamp having a hot strike capability such as a high pressure xenon HPS lamp or similar lamp. The ignitor is configured to prevent the premature triggering of a semiconductor switch in a hot restrike circuit due to unwanted high voltage pulses generated by a conventional HID lamp starter circuit in the ignitor. An ignitor is provided that can be used with lag-type ballasts. Another ignitor is provided that can be used with a lead-type ballast which generates a DC bias across the ballast capacitor.
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'Hubbell Incorporated
Goodman Alfred N.
Longanecker Stacey J.
Philogene Haissa
Presson Jerry M.
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