| 发明名称 |
Circuit device |
| 摘要 |
A lamp is operated by means of a DC-AC converter provided with switches and generating an AC current at a high frequency. In each half period of the lamp current, the voltage across the lamp is reversed during an adjustable time interval. The lamp can be dimmed without instabilities by adjusting the time interval.
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| 申请公布号 |
US6445140(B2) |
申请公布日期 |
2002.09.03 |
| 申请号 |
US20010883428 |
申请日期 |
2001.06.18 |
| 申请人 |
KONINKLIJKE PHILIPS ELECTRONICS N.V. |
发明人 |
BUIJ ARNOLD WILLEM;BEIJ MARCEL;HENDRIX MACHIEL ANTONIUS MARTINUS;LANGESLAG WILHELMUS HINDERIKUS MARIA |
| 分类号 |
H05B41/282;H05B41/392;(IPC1-7):H05B37/02 |
主分类号 |
H05B41/282 |
| 代理机构 |
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代理人 |
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