H - Electricity – 05 – B
Patent
H - Electricity
05
B
315/65
H05B 41/16 (2006.01) H05B 41/36 (2006.01)
Patent
CA 2025094
ABSTRACT A ballast for supplying a plurality of discharge lamps In order that a plurality of discharge lamps (LL1, LL2) that are connected to a common ballast (10) may be turned on and off separately via external switches (S1, S2), the operation circuit (BT) of the ballast (10) is connected to these external switches (S1, S2) through decouplers (G1, G2). The operation circuit may be supplied with voltage via any of the decouplers (G1, G2). A detector (D1, D2) detects which of the switches (S1, S2) has been closed and closes a logical member (T1, T2) in the lamp circuit (LK1, LK2) of the discharge lamp (LL1, LL2) concerned so that only those lamp circuits are closed in which the detectors (D1, D2) have responded.
Hasemann Fred
Mertens Ferdinand
Wittig Norbert
Bereskin & Parr Llp/s.e.n.c.r.l.,s.r.l.
Hasemann Fred
Mertens Ferdinand
Trilux-Lenze G.m.b.h. + Co Kg
Wittig Norbert
LandOfFree
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