发明名称 |
ELECTRONIC BALLAST DEVICE AND METHOD FOR OPERATING AN ELECTRIC LAMP |
摘要 |
The invention relates to an electronic ballast device for operating an electric lamp (2), comprising a first (21) and a second lamp filament (22), wherein the lamp filaments (21, 22) are electrically connected to a heating circuit (3) during a pre-warming phase for the electric lamp (2) said heating circuit (3) being of such a form that the heating current generated by the heating circuit (3) during an operational phase of the electric lamp (2) amounts to between 20% and 60% of the lamp current of said electric lamp (2). The invention further relates to a method for operation of an electric lamp with an electronic ballast device. |
申请公布号 |
CA2625335(A1) |
申请公布日期 |
2007.04.26 |
申请号 |
CA20062625335 |
申请日期 |
2006.10.12 |
申请人 |
PATENT-TREUHAND-GESELLSCHAFT FUER ELEKTRISCHE GLUEHLAMPEN MBH |
发明人 |
SCHMIDTMANN, KAY;SCHEMMEL, BERNHARD |
分类号 |
H05B41/295 |
主分类号 |
H05B41/295 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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