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1. 发明授权

US08558471B2 Light source device, projector, and driving method of discharge lamp 有权
公开(公告)号：US08558471B2
公开(公告)日：2013-10-15
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： H05B37/02
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.

2. 发明授权

US08203280B2 Light source device, projector, and driving method of discharge lamp 有权
标题翻译：放电灯的光源装置，投影机及驱动方法
公开(公告)号：US08203280B2
公开(公告)日：2012-06-19
申请号：US12314178
申请日：2008-12-05
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： 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.
摘要翻译：为了防止放电灯中电极的偏置消耗，并且为了防止电极材料的偏析，提供光源。光源装置具有通过在第一电极和第二电极之间放电而发光的放电灯; 以及驱动器，其向第一和第二电极提供交流电流以保持放电，并且根据预定模式改变交流电的占空比。预定模式包括多个段周期，占空比在预定周期内维持相互不同的值。

3. 发明授权

US08167438B2 Light source device, projector, and driving method of discharge lamp 有权
标题翻译：放电灯的光源装置，投影机及驱动方法
公开(公告)号：US08167438B2
公开(公告)日：2012-05-01
申请号：US12314181
申请日：2008-12-05
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： G03B21/28 , H05B41/14
CPC分类号： H01J61/86 , G03B21/00 , G03B21/005 , H05B41/2883 , H05B41/2928
摘要： A light source device is provided. The light source device has: a discharge lamp that emits light by discharge in an interelectrode space between a first electrode and a second electrode; a main mirror arranged at the first electrode side that reflects light flux generated by the discharge in the interelectrode space so as to emit the light flux to an area to be illuminated; a sub-mirror arranged at the second electrode side facing opposite the main mirror that reflects the light flux from the interelectrode space toward the interelectrode space; and a driver that supplies alternating current to the first and the second electrodes, and changes duty ratio of the alternating current supplied to the first and the second electrodes in accordance with a predetermined pattern. In the light source device, maximum value of time ratio of a first anode period in which the first electrode works as anode to one cycle of the alternating current is larger than maximum value of time ratio of a second anode period in which the second electrode works as anode to the one cycle of the alternating current.
摘要翻译：提供光源装置。光源装置具有：放电灯，其在第一电极和第二电极之间的电极间空间中通过放电发光; 主反射镜，其布置在第一电极侧，反射在电极间空间中由放电产生的光束，以将光通量发射到待照射的区域; 副镜子，其布置在第二电极侧，与主镜相对，反射来自电极间空间的光束朝向电极间空间; 以及驱动器，其向第一和第二电极提供交流电流，并且根据预定图案改变供应到第一和第二电极的交流电的占空比。在光源装置中，第一电极作为阳极工作的一个阳极周期与交流电的一个周期的时间比的最大值大于第二电极工作的第二阳极周期的时间比的最大值作为阳极到交流电的一个周期。

4. 发明申请

US20120098451A1 LIGHT EMITTING MODULE DEVICE, LIGHT EMITTING MODULE USED IN THE DEVICE, AND LIGHTING APPARATUS PROVIDED WITH THE DEVICE 有权
标题翻译：发光模块装置，装置中使用的发光模块和设备提供的照明装置
公开(公告)号：US20120098451A1
公开(公告)日：2012-04-26
申请号：US13379128
申请日：2010-09-09
申请人： Masanao Okawa , Hirofumi Konishi , Shohei Yamamoto , Kentaro Yamauchi
发明人： Masanao Okawa , Hirofumi Konishi , Shohei Yamamoto , Kentaro Yamauchi
IPC分类号： H05B37/02
CPC分类号： H05B37/0263 , H05B33/0803 , H05B33/0824 , H05B33/0845 , H05B33/086
摘要： A light emitting module device includes: a power line through which power is supplied to light emitting modules; and a signal generation circuit which generates a control signal. The power line is shared by a plurality of the light emitting modules, and has switches and switches which turn on or off current conduction to the light emitting modules, through open/close operations. The signal generation circuit individually controls the switches and the switches. The open/close operations include a light-emission period in which the light emitting module emits light; and an extinction period in which the light emitting module is extinguished, and if there is a control signal to be transmitted to the light emitting module, the control signal is superimposed onto supply power. Since a control signal is superimposed onto supply power to each light emitting module, the light emitting modules can be individually controlled. In addition, since the power line can be used also as a communication line, and the power line can be shared by a plurality of the light emitting modules, the number of lines can be decreased.
摘要翻译：发光模块装置包括：向发光模块供电的电力线; 以及产生控制信号的信号发生电路。电力线由多个发光模块共享，并且具有通过打开/关闭操作来接通或断开通向发光模块的电流的开关和开关。信号发生电路分别控制开关和开关。开/关操作包括发光模块发光的发光周期; 以及消光期间，其中发光模块熄灭，并且如果存在要发送到发光模块的控制信号，则将控制信号叠加到电源上。由于控制信号叠加到每个发光模块的电源上，所以可以单独地控制发光模块。此外，由于电力线也可以用作通信线路，并且电力线可以由多个发光模块共享，所以线路数量可以减少。

5. 发明授权

US08143798B2 Driving device and driving method for discharge lamp, light source device, and image display apparatus 有权
标题翻译：放电灯，光源装置和图像显示装置的驱动装置和驱动方法
公开(公告)号：US08143798B2
公开(公告)日：2012-03-27
申请号：US12534897
申请日：2009-08-04
申请人： Keishi Kimura , Kentaro Yamauchi , Tetsuo Terashima
发明人： Keishi Kimura , Kentaro Yamauchi , Tetsuo Terashima
IPC分类号： H05B41/36
CPC分类号： H05B41/38 , H05B41/2928 , Y02B20/208
摘要： A driving device for a discharge lamp includes: a discharge-lamp lighting unit that supplies an alternating current to the discharge lamp to thereby supply electric power to between two electrodes of the discharge lamp; an inter-electrode-voltage detecting unit that detects an inter-electrode voltage applied when predetermined electric power is supplied to between the two electrodes; and a power-supply-condition switching unit that switches, on the basis of the detected inter-electrode voltage, the power supply by the discharge-lamp lighting unit with a predetermined hysteresis given to the switching of the power supply conditions, wherein the power supply conditions are switched by changing at least one of a frequency of the alternating current, a duty ratio of the alternating current, a modulation pattern of the frequency, and a modulation pattern of the duty ratio.
摘要翻译：放电灯的驱动装置包括：放电灯点亮单元，其向放电灯提供交流电流，从而向放电灯的两个电极之间提供电力; 电极间电压检测单元，其检测在所述两个电极之间提供预定电力时施加的电极间电压; 以及电源条件切换单元，其基于检测到的电极间电压，以给定的供电条件切换的预定滞后来切换放电灯点亮单元的电力供给，其中，功率通过改变交流电的频率，交流电的占空比，频率的调制模式和占空比的调制模式中的至少一个来切换供给条件。

6. 发明申请

US20120008106A1 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：US20120008106A1
公开(公告)日：2012-01-12
申请号：US13234570
申请日：2011-09-16
申请人： Kentaro YAMAUCHI , Takeshi TAKEZAWA
发明人： Kentaro YAMAUCHI , Takeshi TAKEZAWA
IPC分类号： G03B21/14 , H05B41/16
CPC分类号： H05B41/2888 , G03B21/20 , G03B21/2026 , Y02B20/202
摘要： A method for driving a discharge lamp that supplies an AC current to a discharge lamp having a first electrode and a second electrode so as to produce discharge and to cause the discharge lamp to emit light includes, during a steady operation in which the AC current is supplied to the discharge lamp, 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.
摘要翻译：一种用于驱动向具有第一电极和第二电极的放电灯提供AC电流以便产生放电并使放电灯发光的放电灯的方法包括：在AC电流为提供给放电灯，根据预定图案，在AC电流的一个周期期间改变两个极性的平均电流值的绝对值之间的差。

7. 发明授权

US08044613B2 Discharge lamp lighting device, control method thereof, and projector 有权
标题翻译：放电灯照明装置，其控制方法和投影仪
公开(公告)号：US08044613B2
公开(公告)日：2011-10-25
申请号：US12401301
申请日：2009-03-10
申请人： Kazuo Okawa , Kentaro Yamauchi , Tetsuo Terashima , Takeshi Takezawa
发明人： Kazuo Okawa , Kentaro Yamauchi , Tetsuo Terashima , Takeshi Takezawa
IPC分类号： H05B41/00
CPC分类号： H05B41/2928
摘要： A discharge lamp lighting device includes: a power control circuit outputting DC current; an AC conversion circuit generating and outputting discharge lamp driving AC current by inverting the polarity of the DC current at a predetermined timing; a control circuit performing an AC conversion control process of controlling a polarity inversion timing of the discharge lamp driving AC current on the AC conversion circuit and performing an interval current control process of controlling a current value of the DC current every polarity inversion timing interval on the power control circuit; a detection unit detecting a discharge lamp driving voltage at the time of normal lighting; a history information storage periodically storing history information of the detected discharge lamp driving voltage, a statistics processing unit statistically processing the stored history information every predetermined period; and a statistical information storage storing information having been subjected to the statistical process as statistical information. Here, the control circuit sets and controls at least one of a frequency, a duty ratio, and a waveform of the discharge lamp driving AC current on the basis of a time-dependent tendency of the statistical information.
摘要翻译：放电灯点亮装置包括：输出DC电流的功率控制电路; AC转换电路，通过在预定定时反转DC电流的极性来产生并输出放电灯来驱动AC电流; 执行AC转换控制处理的控制电路，该AC转换控制处理控制AC转换电路上的放电灯驱动AC电流的极性反转定时，并且执行在每个极性反转定时间隔上对DC电流的当前值进行控制的间隔电流控制处理电源控制电路; 检测单元，其检测在正常点亮时的放电灯驱动电压; 历史信息存储器，周期性地存储检测到的放电灯驱动电压的历史信息;统计处理单元，每隔预定周期对所存储的历史信息进行统计处理; 以及将经过统计处理的信息作为统计信息存储的统计信息存储。这里，控制电路基于统计信息的时间依赖倾向来设置和控制放电灯驱动AC电流的频率，占空比和波形中的至少一个。

8. 发明申请

US20110241565A1 LIGHT SOURCE APPARATUS, PROJECTOR, AND LIGHT SOURCE APPARATUS DRIVE METHOD 有权
标题翻译：光源装置，投影仪和光源装置驱动方法
公开(公告)号：US20110241565A1
公开(公告)日：2011-10-06
申请号：US13162857
申请日：2011-06-17
申请人： Kentaro YAMAUCHI
发明人： Kentaro YAMAUCHI
IPC分类号： H05B37/02
CPC分类号： H05B41/2928 , H05B41/388 , Y02B20/208
摘要： A light source apparatus includes an arc tube having a first electrode and a second electrode that carry out an emission of light due to a discharge between them, and a drive that, when supplying energy in an alternating current to the first electrode and the second electrode, carries out a steady operation supplying a steady energy to the first electrode and the second electrode, and an initial operation making a cumulative energy supplied to at least one electrode, of the first electrode and the second electrode, in an anode period of the relevant electrode, prior to the steady period, greater than during the steady period.
摘要翻译：光源装置包括具有第一电极和第二电极的电弧管，该第一电极和第二电极由于它们之间的放电而进行发光，以及当向第一电极和第二电极提供交流电中的能量时，执行向第一电极和第二电极提供稳定能量的稳定操作，以及在相关的阳极周期中向第一电极和第二电极的至少一个电极提供累积能量的初始操作电极在稳定期之前大于稳定期。

9. 发明授权

US07954963B2 Light source and projector 有权
标题翻译：光源和投影机
公开(公告)号：US07954963B2
公开(公告)日：2011-06-07
申请号：US12041125
申请日：2008-03-03
申请人： Kentaro Yamauchi
发明人： Kentaro Yamauchi
IPC分类号： G03B21/28 , F21V7/00
CPC分类号： H01J61/025 , G02B5/10 , G02B19/0028 , G02B19/0047 , G03B21/2026 , G03B21/2066 , G03B21/208 , G03B33/12 , H04N9/3105
摘要： A light source device includes a discharge lamp and a reflection mirror having a plurality of concave curved surfaces. Each of the plurality of concave curved surfaces is an ellipsoidal surface. A first focal point of each of the ellipsoidal surfaces is disposed at the light emitting center of the discharge lamp. A second focal point of each of the ellipsoidal surfaces is disposed, when viewed from a predetermined first direction perpendicular to a system optical axis passing through the light emitting center, on the opposite side of the system optical axis to the ellipsoidal surface, and when viewed from a second direction perpendicular to the system optical axis and the first direction, on the side where the ellipsoidal surface is present with reference to the system optical axis.
摘要翻译：光源装置包括放电灯和具有多个凹曲面的反射镜。多个凹曲面中的每一个都是椭圆面。每个椭圆面的第一焦点设置在放电灯的发光中心处。当从垂直于通过发光中心的系统光轴的预定第一方向观察时，每个椭圆面的第二焦点设置在与椭圆面相反的系统光轴的相对侧上，并且当观察时从垂直于系统光轴和第一方向的第二方向，在相对于系统光轴存在椭圆面的一侧。

10. 发明授权

US07830098B2 Projector and light source device thereof 有权
标题翻译：投影仪及其光源装置
公开(公告)号：US07830098B2
公开(公告)日：2010-11-09
申请号：US11972810
申请日：2008-01-11
申请人： Kentaro Yamauchi , Takeshi Takezawa
发明人： Kentaro Yamauchi , Takeshi Takezawa
IPC分类号： H05B37/02 , G03B21/20
CPC分类号： G03B21/28 , H05B41/2883 , H05B41/2928 , Y02B20/208
摘要： A light source device includes: a first electrode and a second electrode, a light emitting tube, a main reflection mirror disposed on the first electrode side, a sub reflection mirror disposed on the second electrode side and a current driving device which supplies alternating current and performs power control such that supply energy during an anode period of the first electrode becomes smaller than supply energy during a cathode period of the first electrode at least a predetermined period immediately before a stable operation starts in the period from the start of power supply to the first and second electrodes to the start of the stable operation.
摘要翻译：光源装置包括：第一电极和第二电极，发光管，设置在第一电极侧的主反射镜，设置在第二电极侧的副反射镜和提供交流电流的电流驱动装置，执行功率控制，使得在第一电极的阳极周期期间的供电能量在第一电极的阴极周期期间的至少一个预定时间段之前变得小于在从供电开始到开始之后的稳定操作开始之前的供应能量第一和第二电极开始稳定运行。

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