| 发明名称 |
Discharge lamp lighting device and lighting system |
| 摘要 |
<p>When a discharge lamp (2) is preheated, the impedance (Rh) of a filament electrode (2b) of the discharge lamp (2) is computed. The preheating and lighting of the discharge lamp (2) are controlled in accordance with the computed impedance (Rh).</p> |
| 申请公布号 |
EP1672963(A2) |
申请公布日期 |
2006.06.21 |
| 申请号 |
EP20050257875 |
申请日期 |
2005.12.20 |
| 申请人 |
TOSHIBA LIGHTING & TECHNOLOGY CORPORATION |
发明人 |
TAKAHASHI, Y.;MITA, K.;KAMATA, M. |
| 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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