Shunt modulator for high current arc lamp

Electric lamp and discharge devices: systems – Condenser in the supply circuit – Condenser in shunt to the load device and the supply

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Details

332 8, 315240, H05B 3702, H05B 4134

Patent

active

040669319

ABSTRACT:
Shunt modulator for high current arc lamp using series-connected voltage source, first transistor switch, inductor, and lamp. Whenever second transistor modulating switch in shunt with lamp is turned off, voltage surge from inductor fires lamp and first switch is turned on. When inductor current exceeds threshold, first switch is turned off and flyback diode provides return path for inductor current.

REFERENCES:
patent: 3387177 (1968-06-01), Israel et al.

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