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公开(公告)号：US20080024853A1
公开(公告)日：2008-01-31
申请号：US11776133
申请日：2007-07-11
CPC分类号： H05B41/2883 , H05B41/2928 , Y02B20/208
摘要： A light source device includes a high-pressure discharge lamp for performing electric discharge emission between a pair of electrodes, a lighting device for lighting the high-pressure discharge lamp by supplying a driving current of a predetermined frequency to the high-pressure discharge lamp, and a control device for controlling the lighting device, wherein the control device controls the frequency of the driving current supplied to the high-pressure discharge lamp from the lighting device and includes a frequency variance controlling section which supplies a low-frequency driving current having a low frequency and two or more types of high-frequency driving currents having frequencies higher than the low frequency to the high-pressure discharge lamp.
摘要翻译： 光源装置包括用于在一对电极之间进行放电发射的高压放电灯，用于通过向高压放电灯提供预定频率的驱动电流来点亮高压放电灯的照明装置， 以及用于控制照明装置的控制装置，其中控制装置控制从照明装置提供给高压放电灯的驱动电流的频率，并且包括频率方差控制部分，其提供具有 低频率和两种或更多种类型的高频驱动电流，其频率高于低压放电灯的低频。
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公开(公告)号：US20080192210A1
公开(公告)日：2008-08-14
申请号：US12013054
申请日：2008-01-11
申请人： Tomiyoshi USHIYAMA
发明人： Tomiyoshi USHIYAMA
CPC分类号： G03B21/20 , G03B21/2026 , G03B21/2046 , G03B21/2053 , H05B41/2858
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.
摘要翻译： 光源装置包括：光源单元，其包括发射一对电极之间的光的电弧管和反射来自所述电弧管的光以发射源光的反射器; 以及驱动控制部，其以预定的驱动力驱动光源单元。 在该装置中，驱动控制部进行功率调节控制，将规定时间内的光源单元的驱动力降低规定量。
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