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1. 发明申请

US20090153806A1 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：US20090153806A1
公开(公告)日：2009-06-18
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。

2. 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。

3. 发明申请

US20100156313A1 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：US20100156313A1
公开(公告)日：2010-06-24
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： H05B41/36
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。

4. 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.

5. 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。

6. 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。

7. 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。

8. 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。

9. 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。

10. 发明申请

US20120249011A1 LIGHT SOURCE DEVICE, PROJECTOR, AND DRIVING METHOD OF DISCHARGE LAMP 审中-公开
标题翻译：放电灯的光源装置，投影仪和驱动方法
公开(公告)号：US20120249011A1
公开(公告)日：2012-10-04
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： H05B41/16
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。

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