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1. 发明申请

US20100033103A1 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：US20100033103A1
公开(公告)日：2010-02-11
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。

2. 发明申请

US20090108770A1 LIGHT SOURCE, PROJECTOR, AND METHOD FOR DRIVING LIGHT SOURCE 有权
标题翻译：光源，投影仪和驱动光源的方法
公开(公告)号：US20090108770A1
公开(公告)日：2009-04-30
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： H05B41/36
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。

3. 发明申请

US20090085495A1 LIGHT SOURCE AND PROJECTOR 有权
标题翻译：光源和投影仪
公开(公告)号：US20090085495A1
公开(公告)日：2009-04-02
申请号：US12237746
申请日：2008-09-25
申请人： Kentaro YAMAUCHI , Tetsuo TERASHIMA , Takeshi TAKEZAWA , Kazuo OKAWA , Keishi KIMURA
发明人： Kentaro YAMAUCHI , Tetsuo TERASHIMA , Takeshi TAKEZAWA , Kazuo OKAWA , Keishi KIMURA
IPC分类号： H05B41/36
CPC分类号： H05B41/2928 , Y02B20/208
摘要： A light source includes an discharge lamp including a first electrode and a second electrode emitting light by discharge between them, a drive unit performing a steady operation which supplies steady energy to the first and second electrodes and an initial operation which supplies energy to the first and second electrodes with an operation different from the steady operation before performing the steady operation, a determination unit determining states of the discharge lamp and a data storage unit storing plural initial power feeding conditions provided corresponding to states of the discharge lamp as examples of the initial operation and plural steady power feeding conditions provided corresponding to the states of the discharge lamp as examples of the steady operation, in which the drive unit performs the initial operation in any one of conditions selected from the plural initial power feeding conditions according to a determination result by the determination unit and performs the steady operation in any one of conditions selected from the plural steady power feeding conditions according to a determination result by the determination unit.
摘要翻译：光源包括：放电灯，包括第一电极和通过它们之间放电发光的第二电极;驱动单元，执行向第一和第二电极提供稳定能量的稳定操作;以及初始操作，其向第一和第二电极提供能量; 在执行稳定操作之前具有与稳定操作不同的操作的第二电极，确定单元确定放电灯的状态和存储与放电灯的状态相对应地提供的多个初始供电条件的数据存储单元，作为初始操作的示例以及对应于放电灯的状态提供的多个稳定供电条件，作为稳定操作的示例，其中驱动单元根据根据确定结果的多个初始供电条件中选择的任何一个条件执行初始操作确定单元并执行根据由确定单元的确定结果从多个稳定供电条件中选择的任何一个条件下的稳定操作。

4. 发明申请

US20090237009A1 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：US20090237009A1
公开(公告)日：2009-09-24
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： H05B41/36
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。

5. 发明申请

US20100103388A1 DISCHARGE LAMP LIGHTING DEVICE, METHOD OF CONTROLLING DISCHARGE LAMP LIGHTING DEVICE, AND PROJECTOR 有权
标题翻译：放电灯照明装置，放电灯照明装置的控制方法和投影仪
公开(公告)号：US20100103388A1
公开(公告)日：2010-04-29
申请号：US12504137
申请日：2009-07-16
申请人： Kentaro YAMAUCHI , Tetsuo TERASHIMA
发明人： Kentaro YAMAUCHI , Tetsuo TERASHIMA
IPC分类号： H05B41/26 , G03B21/00
CPC分类号： H05B41/2928 , G03B21/005 , H05B41/2885
摘要： A discharge lamp lighting device includes: a power control circuit adapted to generate discharge lamp driving power; an alternating current conversion circuit adapted to execute polarity reversal on a direct current output from the power control circuit, thereby generating an alternating current; and a control section adapted to perform alternating current conversion control of controlling the polarity reversal timing of the alternating current, wherein the control section executes a steady drive process of executing the alternating current conversion control at a given frequency, a first low frequency drive process of executing the alternating current conversion control at a first low frequency driving frequency lower than the given frequency, and starting from a first polarity and ending with the first polarity, and a second low frequency drive process of executing the alternating current conversion control at a second low frequency driving frequency lower than the given frequency, and starting from a second polarity and ending with the second polarity.
摘要翻译：放电灯点亮装置包括：功率控制电路，适于产生放电灯驱动电力; 交流电转换电路，用于对从功率控制电路输出的直流电进行极性反转，从而产生交流电; 以及控制部，其适于执行控制所述交流电的极性反转定时的交流转换控制，其中，所述控制部执行以给定频率执行所述交流电转换控制的稳定驱动处理，所述第一低频驱动处理在低于给定频率的第一低频驱动频率下执行交流转换控制，并从第一极性开始并以第一极性结束;以及第二低频驱动处理，以第二低电平执行交流电转换控制频率驱动频率低于给定频率，并从第二极性开始并以第二极性结束。

6. 发明申请

US20100033105A1 DRIVING DEVICE AND DRIVING METHOD OF ELECTRIC DISCHARGE LAMP, LIGHT SOURCE DEVICE, AND IMAGE DISPLAY APPARATUS 有权
标题翻译：电动放电灯，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：US20100033105A1
公开(公告)日：2010-02-11
申请号：US12534500
申请日：2009-08-03
申请人： Kentaro YAMAUCHI , Tetsuo TERASHIMA
发明人： Kentaro YAMAUCHI , Tetsuo TERASHIMA
IPC分类号： H05B41/26
CPC分类号： H05B41/2928
摘要： A driving device of an electric discharge lamp includes: a discharge lamp lighting unit which supplies power to the electric discharge lamp while alternately switching polarity of voltage applied between two electrodes of the electric discharge lamp to lighting the electric discharge lamp; and an anode duty ratio modulating unit which sets at least a first retention period and a second retention period having an anode duty ratio different from that of the first retention period and provided after the first retention period to modulate the anode duty ratios, assuming that each of the retention periods is a period for retaining an anode duty ratio as ratio of an anode period in which one of the electrodes operates as anode at a constant value in one cycle of the polarity switching, wherein the anode duty ratio modulating unit has a first modulation mode for operating the electric discharge lamp in steady condition and a second modulation mode for providing larger change of the anode duty ratio between the first retention period and the second retention period than change of the first modulation mode.
摘要翻译：放电灯的驱动装置包括：放电灯点亮单元，其在交替地切换施加在所述放电灯的两个电极之间的电压的极性以点亮所述放电灯的同时向所述放电灯供电; 以及阳极占空比调制单元，其至少设置具有与第一保留期间不同的第一保留期间和第二保留期间，并且在第一保留期限之后设置以调节阳极占空比，以假设每个保持期间是将极性切换中的一个循环中的一个电极作为阳极作为阳极的阳极周期的比例保持为阳极占空比的期间，其中，阳极占空比调制单元具有第一用于在稳定状态下操作放电灯的调制模式和第二调制模式，用于与第一调制模式的改变相比，在第一保持期间和第二保持期间之间提供更大的阳极占空比的变化。

7. 发明申请

US20120154752A1 PROJECTOR 有权
标题翻译：投影机
公开(公告)号：US20120154752A1
公开(公告)日：2012-06-21
申请号：US13323095
申请日：2011-12-12
申请人： Tetsuo TERASHIMA , Shun SATO
发明人： Tetsuo TERASHIMA , Shun SATO
IPC分类号： G03B21/14
CPC分类号： H05B41/2928 , G03B21/2026 , G03B35/16 , H04N9/3155 , Y02B20/208
摘要： A projector that outputs a first image and a second image alternately while performing switching between the first image and the second image, includes: a discharge lamp driving section that supplies, to a discharge lamp, a drive current that drives the discharge lamp; a state detecting section that detects a deteriorating state of the discharge lamp; and a control section that controls the discharge lamp driving section, wherein the control section controls the discharge lamp driving section so that the absolute value of the drive current becomes relatively small in a first period and relatively large in a second period and controls the discharge lamp driving section so that the ratio of the absolute value of the drive current in the second period to the absolute value of the drive current in the first period is increased with the progress of the deteriorating state.
摘要翻译：一种在执行第一图像和第二图像之间切换的同时交替地输出第一图像和第二图像的投影仪，包括：放电灯驱动部，向放电灯提供驱动放电灯的驱动电流; 状态检测部，其检测放电灯的劣化状态; 以及控制部，其控制放电灯驱动部，其中，所述控制部控制所述放电灯驱动部，使得所述驱动电流的绝对值在第一期间变得相对较小并且在第二期间相对较大，并且控制所述放电灯使得第二期间的驱动电流的绝对值与第一期间的驱动电流的绝对值之比随着恶化状态的进行而增加。

8. 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。

9. 发明申请

US20100123406A1 DRIVING DEVICE FOR DISCHARGE LAMP, LIGHT SOURCE DEVICE, IMAGE DISPLAY APPARATUS, AND DRIVING METHOD FOR DISCHARGE LAMP 有权
标题翻译：放电灯驱动装置，光源装置，图像显示装置，放电灯驱动方法
公开(公告)号：US20100123406A1
公开(公告)日：2010-05-20
申请号：US12618363
申请日：2009-11-13
申请人： Shigeyasu SOMA , Tetsuo TERASHIMA
发明人： Shigeyasu SOMA , Tetsuo TERASHIMA
IPC分类号： H05B41/36
CPC分类号： H05B41/2928 , Y02B20/208
摘要： A driving device for a discharge lamp includes: an alternating current supply section adapted to supply two electrodes of the discharge lamp with an alternating current; a frequency modulation section adapted to modulate a frequency of the alternating current, which the alternating current supply section supplies, in accordance with a predetermined condition of the discharge lamp within a range between a predetermined upper limit frequency and a predetermined lower limit frequency; and a modulation condition setting section adapted to set a modulation condition of the frequency by the frequency modulation section, wherein the modulation condition setting section sets the modulation condition so that the lower limit frequency when the discharge lamp is in a first state is higher than the lower limit frequency when the discharge lamp is in a second state in which a flicker is harder to occur than in the first state.
摘要翻译：一种用于放电灯的驱动装置，包括：交流电源部分，用于向放电灯的两个电极提供交流电; 频率调制部分，适于根据放电灯的预定条件在预定上限频率和预定下限频率之间的范围内调制交流电源部分提供的交流电频率; 以及调制条件设定部，其适于通过所述频率调制部设定所述频率的调制条件，其中，所述调制条件设定部设定所述调制条件，使得当所述放电灯处于第一状态时的下限频率高于当放电灯处于比第一状态更难发生闪烁的第二状态时的下限频率。

10. 发明申请

US20120154757A1 PROJECTOR 有权
标题翻译：投影机
公开(公告)号：US20120154757A1
公开(公告)日：2012-06-21
申请号：US13306218
申请日：2011-11-29
申请人： Tetsuo TERASHIMA
发明人： Tetsuo TERASHIMA
IPC分类号： G03B21/14
CPC分类号： G03B21/2053 , G02B27/2228 , G03B21/2026 , G03B35/16 , H05B37/029 , H05B41/2887 , Y02B20/202
摘要： A projector that outputs a first picture and a second picture alternately, wherein a control section performs first control and second control, controls a discharge lamp driving section. In the first control and the second control, the absolute value of a drive current is relatively small in a first period and relatively large in a second period. In the first control, the energy provided to a first electrode in the second period is greater than the energy provided to the second electrode in the second period. In the second control, the energy provided to the second electrode in the second period is greater than the energy provided to the first electrode in the second period.
摘要翻译：一种投影仪，其交替地输出第一图像和第二图像，其中控制部分执行第一控制和第二控制，控制放电灯驱动部分。在第一控制和第二控制中，驱动电流的绝对值在第一期间相对较小，在第二期间相对较大。在第一控制中，在第二周期中提供给第一电极的能量大于在第二周期中提供给第二电极的能量。在第二控制中，在第二周期中提供给第二电极的能量大于在第二周期中提供给第一电极的能量。

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