H - Electricity – 05 – B
Patent
H - Electricity
05
B
H05B 41/14 (2006.01) H05B 41/04 (2006.01) H05B 41/292 (2006.01)
Patent
CA 2472889
The present invention relates to a circuit arrangement for driving a high-pressure discharge lamp (14) having a terminal (1) for a first voltage potential; a terminal (2) for a second voltage potential; a terminal (4) for feeding a starting voltage; a first electrical connection, which provides at its first end a first terminal (26) for a high-pressure discharge lamp (14), and which is coupled at its second end to the terminal (1) for the first voltage potential; a second electrical connection, which provides at its first end a second terminal (28) for a high-pressure discharge lamp (14), and which is coupled at its second end to the terminal (2) for the second voltage potential; a first inductor (30) that is arranged in the second electrical connection; and a starting device (24) that is coupled on the input side at least to the terminal (4) for feeding a starting voltage, and that is coupled on the output side to one of the terminals (26; 28) for the high-pressure discharge lamp; there being arranged in the first electrical connection a second inductor (32), which forms a current-compensated choke (22) (common mode choke) together with a first inductor (30).
Patent-Treuhand-Gesellschaft Fuer Elektrische Gluehlampen Mbh
Smart & Biggar
LandOfFree
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