H - Electricity – 05 – B
Patent
H - Electricity
05
B
H05B 37/00 (2006.01) H05B 37/02 (2006.01) H05B 41/14 (2006.01)
Patent
CA 2551534
The present invention relates to a circuit arrangement for operating at lease one electric lamp (LP) having a drive circuit (16), which has at least one terminal for a system voltage (UN) on the input side and at least one terminal for the at least one electric lamp (LP) on the output side; the drive circuit (16) having a control unit (18) and a step-up converter having a step-up converter inductor (L2) and a switch (S1), and the control unit (18) being designed to operate the step-up converter in a discontinuous mode, in which the current (IN) through the step-up converter inductor (L2) has gaps, the duration (fit) of these gaps being varied. It also relates to an operating method for at least one electric lamp (LP) using such a circuit arrangement.
Busse Olaf
Heckmann Markus
Lecheler Reinhard
Lechner Alfons
Mayer Siegfried
Patent-Treuhand-Gesellschaft Fuer Elektrische Gluehlampen Mbh
Smart & Biggar
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