发明名称 |
Light source device |
摘要 |
A HID lamp light source device in which the disadvantage of acoustic resonance is avoided is achieved in a light source device in which a discharge lamp has a pair of opposed electrodes connected to a feed device which is used for starting the discharge lamp and for supplying a discharge current to the electrodes by the feed device using a switching device for controlling the amount of feed for the discharge lamp and in which phase modulation is added to the essentially periodic switching operation of the switching device.
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申请公布号 |
US6894437(B2) |
申请公布日期 |
2005.05.17 |
申请号 |
US20020303839 |
申请日期 |
2002.11.26 |
申请人 |
USHIODENKI KABUSHIKI KAISHA |
发明人 |
OKAMOTO MASASHI;YOKOTA TOSHIO |
分类号 |
H05B41/24;H05B41/282;H05B41/292;(IPC1-7):H05B37/00 |
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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