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21. 发明授权

US08183796B2 Stepwise repairing for electrode of discharge lamp 有权
标题翻译：逐步修复放电灯电极
公开(公告)号：US08183796B2
公开(公告)日：2012-05-22
申请号：US12314901
申请日：2008-12-18
申请人： Tetsuo Terashima , Kentaro Yamauchi , Shigeyasu Soma
发明人： Tetsuo Terashima , Kentaro Yamauchi , Shigeyasu Soma
IPC分类号： G05F1/00
CPC分类号： H05B41/3928 , H05B41/2928 , Y02B20/202
摘要： A drive device that drives a discharge lamp including first and second electrodes includes a lighting circuit, a current control unit, a deformation detection unit, a current modulation unit, and a modulation enhancement unit. The lighting circuit supplies alternating current to the electrodes. The current control unit regulates the lighting circuit to control the alternating current. The deformation detection unit detects deformation of the surface shape of the electrodes. The current modulation unit modulates the controlled alternating current when the deformation is detected. The modulation enhancement unit increases a modulation ratio when the deformation is detected while modulating the alternating current.
摘要翻译：驱动包括第一和第二电极的放电灯的驱动装置包括点亮电路，电流控制单元，变形检测单元，电流调制单元和调制增强单元。照明电路向电极提供交流电。电流控制单元调节照明电路以控制交流电流。变形检测单元检测电极的表面形状的变形。当检测到变形时，当前的调制单元调制受控的交流电流。当调制交流电流时，调制增强单元增加检测到变形时的调制比。

22. 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。

23. 发明授权

US08120285B2 Driving method for discharge lamp, driving device for discharge lamp, light source device, and image display apparatus 有权
标题翻译：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：US08120285B2
公开(公告)日：2012-02-21
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： G05F1/00
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。

24. 发明授权

US08138684B2 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：US08138684B2
公开(公告)日：2012-03-20
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： H05B41/36
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。

25. 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。

26. 发明申请

US20100238418A1 DISCHARGE LAMP DRIVE DEVICE, DISCHARGE LAMP DRIVE METHOD, LIGHT SOURCE DEVICE, AND PROJECTOR 有权
标题翻译：放电灯驱动装置，放电灯驱动方法，光源装置和投影仪
公开(公告)号：US20100238418A1
公开(公告)日：2010-09-23
申请号：US12721743
申请日：2010-03-11
申请人： Shigeyasu Soma , Tetsuo Terashima
发明人： Shigeyasu Soma , Tetsuo Terashima
IPC分类号： H05B41/36 , G03B21/20
CPC分类号： G03B21/2026 , G03B21/2053 , H05B41/2886 , Y02B20/202
摘要： A discharge lamp drive device for driving a discharge lamp including a first electrode and a second electrode, include: a power supply unit which supplies alternating power to the discharge lamp by inputting alternating current between the first electrode and the second electrode, wherein the power supply unit includes a power reduction control unit which reduces the alternating power from a first level to a second level lower than the first level, and a duty ratio control unit which steppedly varies duty ratio of the alternating current in a predetermined period at the time of reduction of the alternating power.
摘要翻译：一种用于驱动包括第一电极和第二电极的放电灯的放电灯驱动装置，包括：电源单元，其通过在第一电极和第二电极之间输入交流电来向放电灯提供交流电力，其中电源单元包括功率降低控制单元，其将交流功率从第一电平降低到低于第一电平的第二电平;以及占空比控制单元，其在减小时在预定时段内逐步改变交流电的占空比的交流电力。

27. 发明授权

US08841854B2 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，图像显示装置以及放电灯的驱动方法
公开(公告)号：US08841854B2
公开(公告)日：2014-09-23
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 , H05B41/292
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。

28. 发明申请

US20100141634A1 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：US20100141634A1
公开(公告)日：2010-06-10
申请号：US12629464
申请日：2009-12-02
申请人： Shigeyasu Soma , Tetsuo Terashima
发明人： Shigeyasu Soma , Tetsuo Terashima
IPC分类号： G06F3/038 , H05B41/24
CPC分类号： H05B41/16 , H05B41/2928 , Y02B20/208
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 modulation section. The alternating current supply section supplies two electrodes of the discharge lamp with an alternating current. The alternating current comprises a plurality of modulation periods. The frequency modulation section modulates a frequency of the alternating current so as to provide a plurality of retentive periods within each of the modulation periods. Each retentive period has a constant frequency that is different from a frequency of its temporally adjacent retentive periods. The frequency modulation section shortens a length of at least one of the retentive periods in the modulation period in response to a predetermined condition occurring. The frequency of at least one of the retentive periods is equal to or less than a predetermined reference frequency.
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调制部分。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。频率调制部分调制交流电流的频率，以便在每个调制周期内提供多个保持周期。每个保持周期具有与其暂时相邻的保持周期的频率不同的恒定频率。频率调制部分响应于发生的预定条件缩短调制周期中的至少一个保持周期的长度。至少一个保持周期的频率等于或小于预定参考频率。

29. 发明授权

US08797313B2 Driving method for discharge lamp, driving device for discharge lamp, light source device, and image display apparatus 有权
标题翻译：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：US08797313B2
公开(公告)日：2014-08-05
申请号：US12629464
申请日：2009-12-02
申请人： Shigeyasu Soma , Tetsuo Terashima
发明人： Shigeyasu Soma , Tetsuo Terashima
IPC分类号： G06F3/038 , H05B41/24
CPC分类号： H05B41/16 , H05B41/2928 , Y02B20/208
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 modulation section. The alternating current supply section supplies two electrodes of the discharge lamp with an alternating current. The alternating current comprises a plurality of modulation periods. The frequency modulation section modulates a frequency of the alternating current so as to provide a plurality of retentive periods within each of the modulation periods. Each retentive period has a constant frequency that is different from a frequency of its temporally adjacent retentive periods. The frequency modulation section shortens a length of at least one of the retentive periods in the modulation period in response to a predetermined condition occurring. The frequency of at least one of the retentive periods is equal to or less than a predetermined reference frequency.
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调制部分。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。频率调制部分调制交流电流的频率，以便在每个调制周期内提供多个保持周期。每个保持周期具有与其暂时相邻的保持周期的频率不同的恒定频率。频率调制部分响应于发生的预定条件缩短调制周期中的至少一个保持周期的长度。至少一个保持周期的频率等于或小于预定参考频率。

30. 发明授权

US08573782B2 Discharge lamp drive device, discharge lamp drive method, light source device, and projector 有权
标题翻译：放电灯驱动装置，放电灯驱动方式，光源装置和投影仪
公开(公告)号：US08573782B2
公开(公告)日：2013-11-05
申请号：US12721743
申请日：2010-03-11
申请人： Shigeyasu Soma , Tetsuo Terashima
发明人： Shigeyasu Soma , Tetsuo Terashima
IPC分类号： G03B21/20
CPC分类号： G03B21/2026 , G03B21/2053 , H05B41/2886 , Y02B20/202
摘要： A discharge lamp drive device for driving a discharge lamp including a first electrode and a second electrode, include: a power supply unit which supplies alternating power to the discharge lamp by inputting alternating current between the first electrode and the second electrode, wherein the power supply unit includes a power reduction control unit which reduces the alternating power from a first level to a second level lower than the first level, and a duty ratio control unit which steppedly varies duty ratio of the alternating current in a predetermined period at the time of reduction of the alternating power.
摘要翻译：一种用于驱动包括第一电极和第二电极的放电灯的放电灯驱动装置，包括：电源单元，其通过在第一电极和第二电极之间输入交流电来向放电灯提供交流电力，其中电源单元包括功率降低控制单元，其将交流功率从第一电平降低到低于第一电平的第二电平;以及占空比控制单元，其在减小时在预定时段内逐步改变交流电的占空比的交流电力。

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