H - Electricity – 05 – B
Patent
H - Electricity
05
B
315/41
H05B 41/36 (2006.01) H05B 41/392 (2006.01)
Patent
CA 1321235
ABSTRACT: Circuit arrangement suitable for operating a high-pressure discharge lamp. The invention relates to a circuit arrangement suitable for operating a high-pressure discharge lamp (80) in conjunction with a controlled current limiter (6) by means of a control signal which is at least composed of a sum of a lamp-voltage-dependent part and a lamp- current-dependent part. According to the invention, the absolute value of the lamp-current-dependent part is chosen to be smaller than the absolute value of the lamp-voltage-dependent part. With this circuit arrangement, a rapid control is possible, which keeps the lamp voltage substantially constant.
525092
Kemmink Steven
Meessen Lodewijk H.m.
Palmers Hilbert
Schafer Ralf
Fetherstonhaugh & Co.
Kemmink Steven
Koninklijke Philips Electronics N.v.
Meessen Lodewijk H.m.
Palmers Hilbert
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