High voltage discharge lamp device

Details High voltage discharge lamp device High voltage discharge lamp device

1998-05-14

2000-10-03

Wong, Don

Electric lamp and discharge devices: systems

Current and/or voltage regulation

Automatic regulation

315209R, 315DIG7, G05F 100

Patent

active

061277886

ABSTRACT:
In a discharge lamp control circuit for a discharge lamp mounted on a vehicle, a capacitor in a starting circuit is charged by a high voltage generated by a transformer used in a direct current power source circuit. A transformer necessary for the starting circuit and the transformer necessary for the direct current power source circuit can commonly be used for cost reduction. Further, a thyristor is used in the starting circuit in place of a gap for activating the discharge lamp.

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patent: 5706185 (1998-01-01), Toyama et al.
patent: 5751121 (1998-05-01), Toyama et al.
patent: 5880563 (1999-03-01), Toyama et al.
patent: 5907224 (1999-05-01), Yamashita et al.
U.S. application No. 08/756,556.

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