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    • 1. 发明授权
    • Light source for projector and projection type image display apparatus using thereof
    • 用于投影仪和投影型图像显示装置的光源
    • US07357537B2
    • 2008-04-15
    • US10994752
    • 2005-02-04
    • Nobuo MasuokaKoji HirataYoshie KoderaRyuji Kurihara
    • Nobuo MasuokaKoji HirataYoshie KoderaRyuji Kurihara
    • F21V7/00
    • F21V7/22F21V7/10F21V19/0005F21V29/505
    • Provided is a projector light source which can effectively project a light beam having a sufficient volume from a lamp as a light source, and which is highly accurate and is excellent in workability. The projector light source comprising an arc tube for emitting a light beam; and a concave reflector including a hold part for holding the arc tube, and having a concave reflection surface for reflecting the light beam from the arc tube so that the light beam outgoes through an opening of the reflector, the concave reflector comprising a first reflector located in the vicinity of the hold part for holding the light emitting tube, and second reflector located in a part other than the hold part, and made of a material different from that of the first reflector. Further, the first reflector is made of heat-resistant glass, and the second reflector is made a material containing a heat-resistant organic material having a thermal deformation temperature which is lower than that of the heat-resistant glass.
    • 本发明提供一种能够有效地投射具有足够体积的灯作为光源的投影光源,其高精度且加工性优异。 投影光源包括用于发射光束的电弧管; 以及包括用于保持所述电弧管的保持部分的凹面反射器,并且具有用于反射来自所述电弧管的光束的凹面反射面,使得所述光束通过所述反射器的开口而偏离,所述凹面反射器包括位于 在用于保持发光管的保持部分附近,以及位于与保持部以外的部分中的第二反射镜,并且由与第一反射器不同的材料制成。 此外,第一反射器由耐热玻璃制成,并且第二反射器被制成含有热变形温度低于耐热玻璃的热变形温度的耐热有机材料的材料。
    • 4. 发明授权
    • Light source for projector and projection type image display apparatus using thereof
    • 用于投影仪和投影型图像显示装置的光源
    • US06863418B2
    • 2005-03-08
    • US10199406
    • 2002-07-19
    • Nobuo MasuokaKoji HirataRyuji KuriharaYoshie Kodera
    • Nobuo MasuokaKoji HirataRyuji KuriharaYoshie Kodera
    • G03B21/00F21S2/00F21V7/00F21V7/10F21V7/20F21V7/22F21V19/00F21V29/02F21Y101/00G03B21/14F21K7/00
    • F21V7/22F21V7/10F21V19/0005F21V29/505
    • Provided is a projector light source which can effectively project a light beam having a sufficient volume from a lamp as a light source, and which is highly accurate and is excellent in workability. The projector light source comprising an arc tube for emitting a light beam; and a concave reflector including a hold part for holding the arc tube, and having a concave reflection surface for reflecting the light beam from the arc tube so that the light beam outgoes through an opening of the reflector, the concave reflector comprising a first reflector located in the vicinity of the hold part for holding the light emitting tube, and second reflector located in a part other than the hold part, and made of a material different from that of the first reflector. Further, the first reflector is made of heat-resistant glass, and the second reflector is made a material containing a heat-resistant organic material having a thermal deformation temperature which is lower than that of the heat-resistant glass.
    • 本发明提供一种能够有效地投射具有足够体积的灯作为光源的投影光源,其高精度且加工性优异。 投影光源包括用于发射光束的电弧管; 以及包括用于保持所述电弧管的保持部分的凹面反射器,并且具有用于反射来自所述电弧管的光束的凹面反射面,使得所述光束通过所述反射器的开口而偏离,所述凹面反射器包括位于 在用于保持发光管的保持部分附近,以及位于与保持部以外的部分中的第二反射镜,并且由与第一反射器不同的材料制成。 此外,第一反射器由耐热玻璃制成,并且第二反射器被制成含有热变形温度低于耐热玻璃的热变形温度的耐热有机材料的材料。
    • 8. 发明授权
    • Lamp operation controller and controlling method of lamp operation
    • 灯管操作控制器及灯管操作方法
    • US07274157B2
    • 2007-09-25
    • US11178449
    • 2005-07-12
    • Koji HirataRyuji Kurihara
    • Koji HirataRyuji Kurihara
    • H05B37/02
    • H05B41/2885H05B41/2928H05B41/3921Y02B20/202
    • In a lamp operation controller and a method thereof, for obtaining a stable light emission, simply and certainly, without necessity of detection of a parameter accompanying discharge, the lamp operation controller, for operating a discharge lamp having a pair of electrodes, which are disposed at both ends of a light emission tube to have a predetermined distance therebetween, converts electric power of an electric power source 1, through an inverter, into alternating voltage and alternating current, changing the polarity thereof continuously and alternately, so as to produce operating current, and apply that across the pair of the electrodes of the discharge lamp, thereby letting the lamp to emit a light. A driver circuit provides a pulse at a trailing edge of the lamp current or the lamp voltage to be supplied when the discharge lamp emits the light, and also determine amplitude of the pulse, in accordance with fluctuation on the lamp voltage (VL) with respect to lighting time of the discharge lamp, which is measured in advance.
    • 在一种灯操作控制器及其方法中,为了获得稳定的发光,简单且肯定地,不需要检测伴随放电的参数,灯操作控制器用于操作具有一对电极的放电灯, 在发光管的两端之间具有预定的距离,将电源1的电力通过逆变器转换成交流电压和交流电,连续交替地改变其极性,从而产生工作电流 并且将其应用于放电灯的一对电极,从而使灯发光。 驱动器电路在放电灯发光时在灯电流的后沿或灯电压提供脉冲,并且还根据灯电压(VL)的波动来确定脉冲的幅度 以预先测量的放电灯的点亮时间。
    • 9. 发明申请
    • Lamp operation controller and controlling method of lamp operation
    • 灯管操作控制器及灯管操作方法
    • US20060012316A1
    • 2006-01-19
    • US11178449
    • 2005-07-12
    • Koji HirataRyuji Kurihara
    • Koji HirataRyuji Kurihara
    • H05B37/02G05F1/00
    • H05B41/2885H05B41/2928H05B41/3921Y02B20/202
    • In a lamp operation controller and a method thereof, for obtaining a stable light emission, simply and certainly, without necessity of detection of a parameter accompanying discharge, the lamp operation controller, for operating a discharge lamp having a pair of electrodes, which are disposed at both ends of a light emission tube to have a predetermined distance therebetween, converts electric power of an electric power source 1, through an inverter, into alternating voltage and alternating current, changing the polarity thereof continuously and alternately, so as to produce operating current, and apply that across the pair of the electrodes of the discharge lamp, thereby letting the lamp to emit a light. A driver circuit provides a pulse at a trailing edge of the lamp current or the lamp voltage to be supplied when the discharge lamp emits the light, and also determine amplitude of the pulse, in accordance with fluctuation on the lamp voltage (VL) with respect to lighting time of the discharge lamp, which is measured in advance.
    • 在一种灯操作控制器及其方法中,为了获得稳定的发光,简单且肯定地,不需要检测伴随放电的参数,灯操作控制器用于操作具有一对电极的放电灯, 在发光管的两端之间具有预定的距离,将电源1的电力通过逆变器转换成交流电压和交流电,连续交替地改变其极性,从而产生工作电流 并且将其应用于放电灯的一对电极,从而使灯发光。 驱动器电路在放电灯发光时在灯电流的后沿或灯电压提供脉冲,并且还根据灯电压(VL)的波动来确定脉冲的幅度 以预先测量的放电灯的点亮时间。