H - Electricity – 05 – B
Patent
H - Electricity
05
B
315/44
H05B 41/14 (2006.01) H05B 41/288 (2006.01) H02M 7/5387 (2006.01)
Patent
CA 1129483
ABSTRACT OF THE DISCLOSURE A converter for supplying discharge lamps, and more generally arc lamps from an ordinary voltage source. The converter comprises an imposed current distribution system formed by a chopper circuit whose input is connected to the output of a current rectifying circuit. The output of the chopper circuit is connected to the discharge tube through a switching circuit allowing the lamp to be supplied with alternating polarity. The converter allows the lamps to be relit when hot, eli- minates the stroboscopic effect, is insensitive to mains voltage and frequency variations, offers a smaller weight and volume than the conventional inductive ballast and lends itself to control of the light intensity.
320638
Klein Denys C.m.m.
Torrent Louis R.
Compagnie de Signaux Et D'entreprises Electriques
Fetherstonhaugh & Co.
Societe Cremer
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