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91. 发明申请

US20050036314A1 Light source unit, method of manufacturing light source unit, and projector 有权
标题翻译：光源单元，光源单元的制造方法和投影仪
公开(公告)号：US20050036314A1
公开(公告)日：2005-02-17
申请号：US10849891
申请日：2004-05-21
申请人： Hiroyuki Kobayashi , Shohei Fujisawa , Yuji Takado , Takeshi Takezawa
发明人： Hiroyuki Kobayashi , Shohei Fujisawa , Yuji Takado , Takeshi Takezawa
IPC分类号： F21S2/00 , F21V7/00 , F21V7/22 , F21V17/00 , F21V17/04 , G03B21/14 , H01J61/35 , H01J61/86
CPC分类号： F21V7/0025 , F21V7/0016 , F21V7/22 , F21V17/04 , G03B21/2026 , H01J61/35 , H01J61/86
摘要： A light source unit including an arc tube having a light emitting section, sealed sections, an elliptic reflector, and a secondary reflecting mirror to cover the front side of the light emitting sections and reflect a luminous flux radiated from the light emitting section toward the elliptic reflector. The center of discharging emission from the arc tube is disposed at a first focal position of the elliptic reflector, and the secondary reflecting mirror is configured as a separate member from the arc tube, so that the outer peripheral portion of the secondary reflecting mirror is accommodated within a circular cone connecting a second focal position of the elliptic reflector and the distal end of the front sealed section of the arc tube when being mounted to the front sealed section of the arc tube.
摘要翻译：一种光源单元，包括具有发光部分的电弧管，密封部分，椭圆形反射镜和次级反射镜，以覆盖发光部分的前侧，并将从发光部分辐射的光束反射向椭圆形反射器。来自电弧管的放电中心设置在椭圆反射体的第一焦点位置，二次反射镜构成为与电弧管分离的部件，从而使二次反射镜的外周部分被容纳在安装到电弧管的前部密封部分的同时，连接椭圆形反射器的第二焦点位置和电弧管的前部密封部分的远端的圆锥体。

92. 发明申请

US20050024879A1 Illumination device, projector, and method of assembling illuminating device 有权
标题翻译：照明装置，投影仪以及装配照明装置的方法
公开(公告)号：US20050024879A1
公开(公告)日：2005-02-03
申请号：US10500295
申请日：2003-09-01
申请人： Takeshi Takezawa
发明人： Takeshi Takezawa
IPC分类号： G03B21/20 , H01J61/02 , F21V7/00
CPC分类号： H04N9/315 , G03B21/2026 , G03B21/2066 , H01J61/025
摘要： A illumination system according to the present invention is a illumination system 100 comprising: a first reflecting mirror 20a arranged on the rear side of a light-emitting portion 11 of the illumination system 100 including an arc tube 10; and a second reflecting mirror 30a arranged on the front side of the light-emitting portion 11 of an optical system. The system is arranged so that the diameter D1 on a reflecting surface 50 of the first reflecting mirror 20a corresponding to the available marginal light emitted from the light-emitting portion 11 to the rear side of the illumination system is larger than the diameter d1 of the outer surface of the second reflecting mirror 30a and the diameter d1 of the outer surface of the second reflecting mirror 30a is set to a size within the light L1 and L2 as the available marginal light reflected by the first reflecting mirror 20a, a reflecting surface 60 of the second reflecting mirror 30a surrounds about half of the front side of the light-emitting portion 11, and the light emitted from the center of the light-emitting portion 11 and incident on the second reflecting mirror 30a agrees with the normal of the second reflecting mirror 30a.
摘要翻译：根据本发明的照明系统是照明系统100，其包括：布置在包括发光管10的照明系统100的发光部分11的后侧的第一反射镜20a; 以及布置在光学系统的发光部11的前侧的第二反射镜30a。该系统被布置成使得与从发光部11发射到照明系统的后侧的可用边缘光对应的第一反射镜20a的反射表面50上的直径D1大于照明系统的直径d1 将第二反射镜30a的外表面和第二反射镜30a的外表面的直径d1设定为作为由第一反射镜20a反射的可用边缘光的光L1和L2内的尺寸，反射面60 第二反射镜30a的一部分围绕发光部11的前侧的一半左右，并且从发光部11的中心发射并入射在第二反射镜30a上的光与第二反射镜30a的法线一致反射镜30a。

93. 发明授权

US08937436B2 Light source device, projector, and driving method of discharge lamp 有权
公开(公告)号：US08937436B2
公开(公告)日：2015-01-20
申请号：US13469362
申请日：2012-05-11
申请人： Kentaro Yamauchi , Tetsuo Terashima , Takeshi Takezawa , Kazuo Okawa , Shigeyasu Soma
发明人： Kentaro Yamauchi , Tetsuo Terashima , Takeshi Takezawa , Kazuo Okawa , Shigeyasu Soma
IPC分类号： H05B37/02 , H01J61/86 , G03B21/00 , H05B41/288 , H05B41/292
CPC分类号： H01J61/86 , G03B21/00 , G03B21/005 , H05B41/2883 , H05B41/2928
摘要： To prevent biased consumption of electrodes in a discharge lamp and to prevent biased precipitation of the electrode material, a light source is provided. The light source device has a discharge lamp that emits light by discharge between a first electrode and a second electrode; and a driver that supplies alternating current to the first and the second electrodes so as to maintain the discharge, and changes duty ratio of the alternating current in accordance with predetermined pattern. The predetermined pattern includes a plurality of section periods for which the duty ratio maintains mutually different values for a predetermined period.

94. 发明授权

US08264164B2 Method of driving discharge lamp, driving device, and projector 有权
标题翻译：驱动放电灯，驱动装置和投影仪的方法
公开(公告)号：US08264164B2
公开(公告)日：2012-09-11
申请号：US12390812
申请日：2009-02-23
申请人： Kentaro Yamauchi , Takeshi Takezawa
发明人： Kentaro Yamauchi , Takeshi Takezawa
IPC分类号： H05B41/36
CPC分类号： G03B21/2026 , G03B21/2053 , H05B41/2928 , Y02B20/208
摘要： A method for driving a discharge lamp having a first electrode and a second electrode includes the steps of, in a situation where a tip portion of the first electrode becomes higher than a tip portion of the second electrode in temperature when power of the same amount is fed to the first and second electrodes during a steady operation, changing a difference between the absolute values of average current values for two polarities during one cycle of the AC current in accordance with a predetermined pattern, and setting an operation time ratio of the first electrode as an anode during one cycle so as to be smaller than an operation time ratio of the second electrode as an anode during one cycle.
摘要翻译：用于驱动具有第一电极和第二电极的放电灯的方法包括以下步骤：在相同量的功率为相同量的功率时，第一电极的尖端部分的温度高于第二电极的尖端部分的情况下在稳定操作期间馈送到第一和第二电极，根据预定模式改变AC电流的一个周期期间的两个极性的平均电流值的绝对值之间的差，并且设置第一电极的操作时间比作为一个周期中的阳极，以便比在一个周期期间作为阳极的第二电极的操作时间比小。

95. 发明授权

US08215779B2 Projector having a plurality of light source devices 有权
标题翻译：投影仪具有多个光源装置
公开(公告)号：US08215779B2
公开(公告)日：2012-07-10
申请号：US12498393
申请日：2009-07-07
申请人： Takeshi Takezawa
发明人： Takeshi Takezawa
IPC分类号： G03B21/20 , F21V19/02
CPC分类号： G03B21/2013 , G03B21/145 , G03B21/2026 , G03B21/2046 , G03B21/2093 , H04N9/3164
摘要： A projector includes: a plurality of light source devices; an image projecting unit, and projects the image light; a power supply device; and an outer housing, wherein the plurality of light source devices include a same shape, a plurality of light source storage units each of which accommodates the corresponding one of the plurality of light source devices are provided inside the outer housing, an opening through which the light source devices are attached and detached in the side direction of the outer housing is formed on the outer housing, and the plurality of light source devices are inserted into the plurality of light source storage units through the opening with the same surfaces of the respective light source devices located on the upper side.
摘要翻译：投影机包括：多个光源装置; 图像投影单元，投影图像光; 电源装置; 以及外壳，其中所述多个光源装置包括相同的形状，多个光源存储单元中的每一个容纳所述多个光源装置中的相应的一个光源装置设置在所述外壳体的内部，在外壳上形成在外壳的侧方安装分离的光源装置，并且通过具有相同光的相同表面的开口将多个光源装置插入多个光源存储单元源设备位于上侧。

96. 发明申请

US20120086923A1 LIGHT SOURCE DEVICE, PROJECTOR, AND DRIVING METHOD OF DISCHARGE LAMP 有权
公开(公告)号：US20120086923A1
公开(公告)日：2012-04-12
申请号：US13328717
申请日：2011-12-16
申请人： Kentaro Yamauchi , Tetsuo Terashima , Takeshi Takezawa , Kazuo Okawa , Shigeyasu Soma
发明人： Kentaro Yamauchi , Tetsuo Terashima , Takeshi Takezawa , Kazuo Okawa , Shigeyasu Soma
IPC分类号： G03B21/14 , H05B41/36
CPC分类号： H01J61/86 , G03B21/00 , G03B21/005 , H05B41/2883 , H05B41/2928
摘要： To prevent biased consumption of electrodes in a discharge lamp and to prevent biased precipitation of the electrode material, a light source is provided. The light source device has a discharge lamp that emits light by discharge between a first electrode and a second electrode; and a driver that supplies alternating current to the first and the second electrodes so as to maintain the discharge, and changes duty ratio of the alternating current in accordance with predetermined pattern. The predetermined pattern includes a plurality of section periods for which the duty ratio maintains mutually different values for a predetermined period.

97. 发明申请

US20120026468A1 PROJECTOR 有权
标题翻译：投影机
公开(公告)号：US20120026468A1
公开(公告)日：2012-02-02
申请号：US13186996
申请日：2011-07-20
申请人： Tetsuo TERASHIMA , Takeshi TAKEZAWA
发明人： Tetsuo TERASHIMA , Takeshi TAKEZAWA
IPC分类号： H05B37/02 , G02B27/22
CPC分类号： G02B27/2264 , G03B21/2053 , G03B35/16 , G09G3/002 , G09G3/003 , G09G3/3406 , G09G2320/0247 , H04N9/3155 , H04N13/341 , H04N13/363 , H05B41/2928
摘要： A projector adapted to switch between a right-eye image and a left-eye image at predetermined timings to output the right-eye image and the left-eye image alternately, includes: a discharge lamp; a discharge lamp drive section adapted to supply the discharge lamp with a drive current for driving the discharge lamp; and a control section adapted to control the discharge lamp drive section, wherein a period between the switching timings temporally adjacent to each other starts with a first period and ends with a second period, and the control section performs a second period alternating-current control process for controlling the discharge lamp drive section so that an absolute value of the drive current becomes relatively small in the first period, and becomes relatively large in the second period, and an alternating current is supplied to the discharge lamp as the drive current in the second period.
摘要翻译：一种适于在预定定时在右眼图像和左眼图像之间切换以便交替地输出右眼图像和左眼图像的投影仪，包括：放电灯; 放电灯驱动部分，适于向放电灯提供用于驱动放电灯的驱动电流; 以及控制部分，适于控制放电灯驱动部分，其中在时间上相邻的切换定时之间的周期以第一周期开始，并以第二周期结束，并且控制部分执行第二周期交流控制处理用于控制放电灯驱动部分，使得驱动电流的绝对值在第一周期中变得相对较小，并且在第二周期中变得相对较大，并且将交流电作为第二周期中的驱动电流提供给放电灯期。

98. 发明授权

US07999490B2 Light source, projector, and method for driving light source 有权
标题翻译：光源，投影机和驱动光源的方法
公开(公告)号：US07999490B2
公开(公告)日：2011-08-16
申请号：US12258958
申请日：2008-10-27
申请人： Tetsuo Terashima , Kentaro Yamauchi , Takeshi Takezawa , Kazuo Okawa , Keishi Kimura
发明人： Tetsuo Terashima , Kentaro Yamauchi , Takeshi Takezawa , Kazuo Okawa , Keishi Kimura
IPC分类号： H05B37/00
CPC分类号： H05B41/2928 , Y02B20/208
摘要： A light source includes an arc tube having a first electrode and a second electrode that emit light by discharge between the electrodes, and a driving unit that supplies a current between the first electrode and the second electrode and can change at least a waveform of frequency and waveform of the supplied current. The driving unit can perform lighting drive of the arc tube, using a driving waveform formed by combining a first lighting waveform having a maximum current value at a part other than a half-cycle rear end of the waveform and a second lighting waveform having a maximum current value at the half-cycle rear end of the waveform.
摘要翻译：光源包括具有第一电极和第二电极的电弧管，所述第一电极和第二电极通过电极之间的放电发光;以及驱动单元，其在第一电极和第二电极之间提供电流，并且可以至少改变频率的波形，供电电流的波形。驱动单元可以使用通过组合在波形的半周期后端部分以外的部分具有最大电流值的第一发光波形和具有最大值的第二发光波形而形成的驱动波形来执行电弧管的点亮驱动波形半周期的当前值。

99. 发明授权

US07972013B2 Light source having a holding unit with air supply port for cooling air and projector 失效
标题翻译：光源具有带有用于冷却空气的空气供应口和投影仪的保持单元
公开(公告)号：US07972013B2
公开(公告)日：2011-07-05
申请号：US12070532
申请日：2008-02-19
申请人： Shigeyasu Soma , Takeshi Takezawa
发明人： Shigeyasu Soma , Takeshi Takezawa
IPC分类号： G03B21/18 , G03B21/26
CPC分类号： F21V29/60 , F21V29/02 , G03B21/16 , G03B21/20 , G03B21/2026
摘要： A light source includes an arc tube which emits light, a reflector which reflects the light emitted from the arc tube, and a holding unit which holds the reflector. The holding unit has an air supply port through which cooling air is introduced into the light source on the light emitting side of the arc tube, and a first rectifying portion which guides cooling air having been supplied from the air supply port and passed through the light emitting side of the arc tube toward an area above the arc tube.
摘要翻译：光源包括发光的电弧管，反射从电弧管发射的光的反射器和保持反射器的保持单元。保持单元具有供气口，通过该供气口将冷却空气引入到发光管的发光侧的光源中;以及第一整流部，其引导从空气供给口供给并通过该光的冷却空气电弧管的发射侧朝向电弧管上方的区域。

100. 发明申请

US20100208212A1 PROJECTOR AND METHOD OF CONTROLLING LIGHTING THEREOF 有权
标题翻译：投影机及其照明控制方法
公开(公告)号：US20100208212A1
公开(公告)日：2010-08-19
申请号：US12700505
申请日：2010-02-04
申请人： Yuichiro MATSUMOTO , Osamu FUJIMAKI , Takeshi TAKEZAWA
发明人： Yuichiro MATSUMOTO , Osamu FUJIMAKI , Takeshi TAKEZAWA
IPC分类号： G03B21/20
CPC分类号： G03B21/2013 , G03B21/2053
摘要： A projector includes: first and second lamps; a combining member configured to combine the light from the first and second lamps; a light modulation device arranged on the downstream side of an optical path of the combining member configured to provide higher modulation contrast with respect to the light emitted from the first lamp and entering in a state of being inclined in a first direction with respect to a system optical axis than modulation contrast with respect to the light emitted from the second lamp and entering in a state of being inclined in a second direction; and an illumination control device configured to turn ON the first lamp having the higher contrast with respect to the light modulation device on a priority basis for illumination of the light modulation device in a one-lamp mode in which only one of the first and second lamps is turned ON.
摘要翻译：投影机包括：第一和第二灯; 组合构件，其被配置为组合来自所述第一和第二灯的光; 配置在所述组合部件的光路的下游侧的光调制装置，被配置为相对于从所述第一灯发射的光提供更高的调制对比度并进入相对于系统在第一方向上倾斜的状态光轴比相对于从第二灯发射的光的调制对比度并进入在第二方向上倾斜的状态; 以及照明控制装置，其被配置为优先关闭具有相对于所述光调制装置的较高对比度的第一灯，以便以单灯模式照明所述光调制装置，其中所述第一和第二灯只有一个被打开。

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