发明申请
- 专利标题： LIGHT SOURCE DEVICE AND PROJECTOR
- 专利标题（中）： 光源设备和投影机
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申请号： US12013054申请日： 2008-01-11
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公开(公告)号： US20080192210A1公开(公告)日： 2008-08-14
- 发明人: Tomiyoshi USHIYAMA
- 申请人： Tomiyoshi USHIYAMA
- 申请人地址： JP Tokyo
- 专利权人： SEIKO EPSON CORPORATION
- 当前专利权人： SEIKO EPSON CORPORATION
- 当前专利权人地址： JP Tokyo
- 优先权： JP2007-030083 20070209
- 主分类号： G03B21/20
- IPC分类号： G03B21/20 ; H05B41/36
摘要：
A light source device includes: a light source unit including an arc tube that emits a light between a pair of electrodes, and a reflector that reflects the light coming from the arc tube for emission of a source light; and a drive control section that drives the light source unit by a predetermined driving power. In the device, the drive control section performs power regulation control of reducing the driving power of the light source unit at a predetermined timing by a predetermined amount.
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