| 发明名称 |
Circuit arrangement for operating a lamp |
| 摘要 |
In an electronic ballast circuit equipped with lamp presence detection means that generate a current flowing through one of the lamp electrodes the detection means are periodically switched off. The power dissipated by the lamp presence detection means is thereby reduced.
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| 申请公布号 |
US2005012469(A1) |
申请公布日期 |
2005.01.20 |
| 申请号 |
US20040495951 |
申请日期 |
2004.05.18 |
| 申请人 |
BEIJ MARCEL |
发明人 |
BEIJ MARCEL |
| 分类号 |
H05B41/24;H05B41/16;H05B41/298;(IPC1-7):H05B37/02 |
主分类号 |
H05B41/24 |
| 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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