H - Electricity – 02 – H
Patent
H - Electricity
02
H
317/12.9
H02H 9/04 (2006.01) H05B 39/00 (2006.01) H05B 39/02 (2006.01)
Patent
CA 1313535
61-111257 Abstract of the Disclosure Disclosed is a circuit to limit surges into dc- illuminated lamp, comprising a rectifier circuit having a smoothing means, the output terminal being connected with a lamp; an inductor connected with the input terminal of the rectifier circuit; a surge-limiting means connected in series with the lamp; and a switching means having the main current path connected in parallel with the surge-limiting means, said switching means becoming conductive when the filament of the lamp is warmed up.
541361
Hayashibara Ken
Macrae & Co.
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