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41. 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。

42. 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。

43. 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。

44. 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。

45. 发明授权

US07819531B2 Projector 有权
标题翻译：投影机
公开(公告)号：US07819531B2
公开(公告)日：2010-10-26
申请号：US11871476
申请日：2007-10-12
申请人： Kentaro Yamauchi
发明人： Kentaro Yamauchi
IPC分类号： G03B21/20
CPC分类号： G03B21/2026 , F21V7/0025 , G03B21/206 , H04N9/3155 , H05B41/2928 , Y02B20/208
摘要： A light source device includes first and second electrodes, an arc tube having a main body section having a discharge space in which the first and second electrodes are disposed with a distance and a sealing section disposed on each of the both ends of the main body section, a primary reflecting mirror disposed on the side of the first electrode, a secondary reflecting mirror disposed on the side of the second electrode, and a current drive device that generates an alternating current for causing the discharge between the first and second electrodes, and power control by controlling the alternating current so that supplying energy in an anodic term of the first electrode becomes smaller than supplying energy in a cathode term.
摘要翻译：光源装置包括第一和第二电极，电弧管具有主体部分，该主体部分具有放电空间，第一和第二电极设置在该放电空间的距离上;密封部分设置在主体部分的两端设置在第一电极侧的主反射镜，设置在第二电极侧的次级反射镜，以及产生用于使第一和第二电极之间的放电的交流电流的电流驱动装置，以及电力驱动装置通过控制交流电流来控制，使得在第一电极的阳极术语中提供能量变得小于在阴极术语中提供能量。

46. 发明申请

US20100134033A1 DRIVING METHOD FOR DISCHARGE LAMP, DRIVING DEVICE FOR DISCHARGE LAMP, LIGHT SOURCE DEVICE, AND IMAGE DISPLAY APPARATUS 有权
标题翻译：用于放电灯的驱动方法，放电灯驱动装置，光源装置和图像显示装置
公开(公告)号：US20100134033A1
公开(公告)日：2010-06-03
申请号：US12627124
申请日：2009-11-30
申请人： Tetsuo Terashima , Shigeyasu Soma , Kentaro Yamauchi
发明人： Tetsuo Terashima , Shigeyasu Soma , Kentaro Yamauchi
IPC分类号： H05B41/36
CPC分类号： H05B41/2928 , H05B41/2887 , Y02B20/202
摘要： In at least one embodiment of the disclosure, a driving device for a discharge lamp includes an alternating current supply section and a frequency switching section. The alternating current supply section supplies two electrodes of the discharge lamp with an alternating current. The alternating current includes a plurality of modulation periods with each modulation period including a highest frequency term and a lowest frequency term. The frequency switching section varies a frequency of the alternating current non-monotonically between the highest frequency term and the lowest frequency term of the modulation period in response to a predetermined condition being satisfied.
摘要翻译：在本公开的至少一个实施例中，用于放电灯的驱动装置包括交流电源部分和频率切换部分。交流电源部分为放电灯的两个电极提供交流电。交流电流包括多个调制周期，每个调制周期包括最高频率项和最低频率项。频率切换部分响应于满足预定条件，在调制周期的最高频率项和最低频率项之间非交替地改变交变电流的频率。

47. 发明申请

US20090237624A1 DISCHARGE LAMP LIGHTING DEVICE, CONTROL METHOD FOR THE SAME, AND PROJECTOR 有权
标题翻译：放电灯照明装置，其相关的控制方法和投影仪
公开(公告)号：US20090237624A1
公开(公告)日：2009-09-24
申请号：US12404395
申请日：2009-03-16
申请人： Shigeyasu Soma , Kentaro Yamauchi
发明人： Shigeyasu Soma , Kentaro Yamauchi
IPC分类号： G03B21/20 , H05B41/16
CPC分类号： G03B21/2026 , G03B21/2053 , H05B41/2928 , H05B41/3928 , Y02B20/202 , Y02B20/208 , Y10S315/07
摘要： A discharge lamp lighting device includes: a power control circuit that outputs a DC current; an AC converter circuit that takes the DC current as its input, inverts polarity of the DC current between first polarity and second polarity in predetermined timing, and thereby generates and outputs an AC current for discharge lamp driving; and a control unit that carries out AC conversion control processing to the AC converter circuit to control polarity inversion timing of the AC current for discharge lamp driving, and current control processing to the power control circuit to control a current value of the DC current. The control unit carries out repair control to change, in a first cyclical pattern, cumulative energy supplied to each electrode of a discharge lamp during one cycle of the AC current for discharge lamp driving, in predetermined timing. The first cyclical pattern includes plural sectional periods in which the cumulative energy is maintained at the same value over plural cycles of the AC current for discharge lamp driving. The cumulative energy differs between at least two of the sectional periods.
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; 以直流电流作为输入的交流转换器电路，在预定定时将第一极性和第二极性之间的直流电流的极性反转，由此生成并输出用于放电灯驱动的交流电流; 以及控制单元，其对AC转换电路执行AC转换控制处理，以控制用于放电灯驱动的AC电流的极性反转定时，以及电流控制处理，以控制DC电流的当前值。控制单元进行修理控制，以预定的时间在第一循环模式中改变在放电灯驱动的AC电流的一个周期期间提供给放电灯的每个电极的累积能量。第一周期性图案包括在放电灯驱动的交流电流的多个周期内将累积能量维持在相同值的多个截止周期。累积能量在至少两个截面周期之间不同。

48. 发明申请

US20090231553A1 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：US20090231553A1
公开(公告)日：2009-09-17
申请号：US12401926
申请日：2009-03-11
申请人： Kazuhiro Tanaka , Kentaro Yamauchi , Tetsuo Terashima , Takeshi Takezawa
发明人： Kazuhiro Tanaka , Kentaro Yamauchi , Tetsuo Terashima , Takeshi Takezawa
IPC分类号： G03B21/00 , H05B41/16
CPC分类号： H05B41/2928 , G03B21/005 , H05B41/2886 , Y02B20/202
摘要： A discharge lamp lighting device includes: a power control circuit outputting DC current; an AC conversion circuit being supplied with the DC current and generating and outputting discharge-lamp driving AC current by inverting the polarity of the DC current at a predetermined time; and a control unit performing a duty ratio control process of controlling a duty ratio on the basis of a polarity inversion time 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 time interval on the power control circuit. Here, the control unit performs the interval current control process so as to control a difference between an average value and a maximum value of the DC current of each polarity inversion time interval on the basis of a difference between the duty ratio and a predetermined reference duty ratio.
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转换电路被提供有直流电流，并通过在预定时间反转DC电流的极性来产生和输出放电灯驱动AC电流; 以及控制单元，执行基于AC转换电路上的放电灯驱动AC电流的极性反转时间来控制占空比的占空比控制处理，并且执行控制所述AC转换电流的当前值的间隔电流控制处理直流电流每个极性反转时间间隔在功率控制电路上。这里，控制单元进行间隔电流控制处理，以根据占空比和规定的基准负载之间的差来控制各极性反转时间间隔的直流电流的平均值和最大值之差比。

49. 发明申请

US20090114046A1 IRON-BASE SINTERED PART, MANUFACTURING METHOD OF IRON-BASE SINTERED PART AND ACTUATOR 有权
标题翻译：铁基烧结部件，铁基烧结部件和执行器的制造方法
公开(公告)号：US20090114046A1
公开(公告)日：2009-05-07
申请号：US12093373
申请日：2006-11-15
申请人： Toshiyuki Saito , Takumi Mio , Koji Nishi , Hajime Fukami , Kentaro Yamauchi , Hiroyuki Yao , Masayuki Yamamoto , Hideki Yamazaki
发明人： Toshiyuki Saito , Takumi Mio , Koji Nishi , Hajime Fukami , Kentaro Yamauchi , Hiroyuki Yao , Masayuki Yamamoto , Hideki Yamazaki
IPC分类号： C23C8/66 , F16H25/00
CPC分类号： F04C2/3446 , B22F3/1007 , B22F3/24 , B22F5/08 , B22F2003/023 , B22F2003/026 , B22F2998/00 , B22F2998/10 , C22C33/0264 , C22C38/08 , C22C38/12 , C22C38/16 , F01C21/08 , F01C21/106 , F04C2230/22 , F05C2201/0409 , F05C2201/046 , F05C2201/0466 , Y10T74/18544 , B22F2201/30 , B22F3/02 , B22F3/1028
摘要： An iron-base sintered part having high density and totally enhanced strength, toughness and abrasion resistance, a manufacturing method of the iron-base sintered part, and an actuator are disclosed. The iron-base sintered part is formed by an iron-nickel-molybdenum-carbon-based sintered alloy, has density of 7.25 g/cm3 or more, and has a carburization quenched structure. A method for manufacturing the iron-base sintered part includes a molding process of charging a raw mixture powder of an iron-nickel-molybdenum-based metal powder and a carbon-based powder into a cavity of a molding die and compressing the raw powder in the cavity to form a consolidation body, a sintering process of sintering the consolidation body at a sintering temperature to form a sintered alloy, and a carburization quenching process of heating the sintered alloy in a carburization atmosphere and quenching the heated alloy.
摘要翻译：公开了具有高密度和完全增强的强度，韧性和耐磨性的铁基烧结部件，铁基烧结部件的制造方法和致动器。铁基烧结部由铁 - 镍 - 钼 - 碳系烧结合金形成，密度为7.25g / cm 3以上，具有渗碳淬火结构。铁基烧结体的制造方法包括将铁 - 镍 - 钼 - 基金属粉末和碳 - 基粉末的混合物粉末加入到模具的空腔中并将原料粉末形成固结体的空腔，在烧结温度下烧结固结体以形成烧结合金的烧结工艺，以及在渗碳气氛中加热烧结合金并淬火加热合金的渗碳淬火工艺。

50. 发明授权

US07508144B2 Light source device, lighting and driving method thereof and projector 有权
标题翻译：光源装置，照明及其驱动方法及投影机
公开(公告)号：US07508144B2
公开(公告)日：2009-03-24
申请号：US11882026
申请日：2007-07-30
申请人： Kentaro Yamauchi , Kazuhiro Tanaka
发明人： Kentaro Yamauchi , Kazuhiro Tanaka
IPC分类号： G05F1/00
CPC分类号： G03B21/20 , G03B21/2026 , G03B21/2046 , G03B21/2053 , H05B41/2885 , Y02B20/202
摘要： A light source device, including: a high pressure discharge lamp in which an electric discharge is generated between a pair of electrodes; a lighting device that supplies drive current having a predetermined frequency to the high pressure discharge lamp to light and drive the high pressure discharge lamp; and a control device that controllably drives the lighting device, the control device including: a power-change controller that controls drive power supplied from the lighting device to the high pressure discharge lamp to be changeable at least between a first power and a second power lower than the first power; and a frequency-change controller that controls a frequency of the drive current supplied from the lighting device to the high pressure discharge lamp to be changeable, in a second power drive mode in which the second power is supplied to the high pressure discharge lamp by the power-change controller, the frequency-change controller changing the frequency of the drive power to a frequency higher than a frequency in a first drive mode in which the first power is supplied to the high pressure discharge lamp by the power-change controller.
摘要翻译：一种光源装置，包括：高压放电灯，其中在一对电极之间产生放电; 向高压放电灯提供具有预定频率的驱动电流以点亮并驱动高压放电灯的照明装置; 以及控制装置，其可控制地驱动所述照明装置，所述控制装置包括：电力变换控制器，其将至少在第一功率和第二功率之间变化的所述高压放电灯控制从所述照明装置提供的驱动电力比第一个权力; 以及变频控制器，其以第二功率驱动模式控制从照明装置向高压放电灯提供的驱动电流的频率，其中第二功率驱动模式中，第二功率通过电力变换控制器，所述变频控制器将所述驱动功率的频率改变为高于由所述电力变化控制器向所述高压放电灯供给所述第一功率的第一驱动模式中的频率的频率。

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