H - Electricity – 05 – B
Patent
H - Electricity
05
B
315/54
H05B 41/16 (2006.01) H05B 41/288 (2006.01) H05B 41/292 (2006.01) H05B 41/36 (2006.01) H02M 7/5387 (2006.01)
Patent
CA 1185649
ABSTRACT Power Supply for Arc Lamps A power supply for an arc lamp comprises a power source and an inverter, the power source being a constant current source and the inverter a bridge network of field effect transistors switched by square wave pulses from an oscillator so that the output of the bridge net- work comprises alternating square wave pulses of equal duration for driving the lamp. The oscillator pulses are fed by way of opto- isolators to the bridge transistors. The constant current source and bridge network are provided as a power module for parallel connection with like modules and the oscillator is of modular form and serves as a common oscillator for the power modules.
407202
Attrill Laurence S.
Beeston Timothy W.
Goudreau Gage Dubuc
Lee Electric (lighting) Limited
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