H - Electricity – 05 – B
Patent
H - Electricity
05
B
315/59
H05B 41/18 (2006.01) H05B 41/04 (2006.01)
Patent
CA 1155483
PHN 9654 14 ABSTRACT: The invention relates to an arrangement com- prising a gas and/or vapour discharge lamp which includes a discharge tube. An electronic auxiliary device is arranged in parallel with the discharge lamp. This aux- iliary device ensures that in the operating condition the lamp is shunted briefly during each half cycle of the power supply. With an arrangement according to the invention, the lamp is of a type in which the discharge tube has a temperature of at least 200°C in the operat- ing condition. The auxiliary device is connected to sen- sor elements which ensure that the lamp is not shunted in the period of time in which the lamp has not yet reached the operating condition. This achieves reliable starting of the lamp.
366605
de Bijl Adrianus M.j.
de Vogel Johannes A.
N.v. Philips Gloeilampenfabrieken
Van Steinburg C.e.
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