专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

11. 发明授权

US08350489B2 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：US08350489B2
公开(公告)日：2013-01-08
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： H05B37/02
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。

12. 发明授权

US08344645B2 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：US08344645B2
公开(公告)日：2013-01-01
申请号：US13396916
申请日：2012-02-15
申请人： Takeshi Takezawa , Kentaro Yamauchi
发明人： Takeshi Takezawa , Kentaro Yamauchi
IPC分类号： H05B41/16 , H05B41/36
CPC分类号： H05B41/2928 , Y02B20/208
摘要： In at least one embodiment of the disclosure, a method for driving a discharge lamp includes changing a duty ratio of an AC current to be supplied between a first electrode and a second electrode of the discharge lamp in accordance with a predetermined pattern, and setting a current value when the first electrode operates as an anode during one cycle so as to be smaller than a current value when the second electrode operates as an anode during one cycle.
摘要翻译：在本公开的至少一个实施例中，用于驱动放电灯的方法包括根据预定模式改变要放电灯的第一电极和第二电极之间提供的AC电流的占空比，并且将当第一电极在一个周期期间作为阳极操作时的电流值，以便当在一个周期期间第二电极作为阳极操作时，电流值小于电流值。

13. 发明授权

US08269426B2 Light source apparatus, projector, and light source apparatus drive method 有权
标题翻译：光源装置，投影仪和光源装置的驱动方法
公开(公告)号：US08269426B2
公开(公告)日：2012-09-18
申请号：US13162857
申请日：2011-06-17
申请人： Kentaro Yamauchi
发明人： Kentaro Yamauchi
IPC分类号： H05B41/36
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。

14. 发明授权

US08174199B2 Discharge lamp lighting apparatus, method for controlling the same, 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：US08174199B2
公开(公告)日：2012-05-08
申请号：US12402796
申请日：2009-03-12
申请人： Shigeyasu Soma , Kentaro Yamauchi
发明人： Shigeyasu Soma , Kentaro Yamauchi
IPC分类号： H05B37/00
CPC分类号： G03B21/2026 , G03B21/2053 , H05B41/2886 , H05B41/2928 , Y02B20/202 , Y02B20/208
摘要： A discharge lamp lighting apparatus includes a power control circuit that outputs a DC current, an AC conversion circuit to which the DC current is inputted, the AC conversion circuit repeatedly reversing the polarity of the DC current between a first polarity and a second polarity at predetermined timings to produce and output a discharge lamp driving AC current, and a controller that controls the AC conversion circuit to perform AC conversion control in which the timings at which the polarity of the discharge lamp driving AC current is reversed are controlled and controls the power control circuit to perform section current control in which the magnitude of the DC current is controlled in each polarity reverse timing section. In the section current control, the magnitude of the DC current is controlled in accordance with a periodic pattern in each of the polarity reverse timing sections to control the ratio of accumulated energy supplied to each electrode of the discharge lamp in the first half of the polarity reverse timing section to that in the second half of the polarity reverse timing section.
摘要翻译：放电灯点亮装置包括输出DC电流的电力控制电路，输入DC电流的AC转换电路，AC转换电路使预定的第一极性和第二极性之间的直流电流的极性反转，用于产生和输出驱动AC电流的放电灯的定时;以及控制器，其控制AC转换电路进行其中放电灯驱动AC电流的极性反转的定时的AC转换控制，并控制功率控制电路，用于执行在每个极性反向定时部分中控制直流电流的大小的电流控制。在截面电流控制中，根据每个极性反转定时部分中的周期性模式来控制DC电流的大小，以控制在极性的前半部分中提供给放电灯的每个电极的累积能量的比率反向定时部分与极性反转定时部分的后半部分相反。

15. 发明授权

US07956315B2 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：US07956315B2
公开(公告)日：2011-06-07
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： G01J1/44 , G01J1/32 , H05B41/16 , G03B21/20
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。

16. 发明申请

US20100084987A1 DISCHARGE LAMP DRIVING DEVICE AND METHOD, LIGHT SOURCE DEVICE, AND IMAGE DISPLAYING APPARATUS 有权
标题翻译：放电灯驱动装置和方法，光源装置和图像显示装置
公开(公告)号：US20100084987A1
公开(公告)日：2010-04-08
申请号：US12573258
申请日：2009-10-05
申请人： Kentaro Yamauchi , Tetsuo Terashima
发明人： Kentaro Yamauchi , Tetsuo Terashima
IPC分类号： H05B41/36
CPC分类号： H05B41/38 , H05B41/2928
摘要： In at least one embodiment of the disclosure, a discharge lamp driving device includes a discharge lamp lighting unit configured to supply power to a discharge lamp while alternately switching a polarity of a voltage applied across two electrodes of the discharge lamp. A controller performs a modulation control of the power in accordance with a power ratio characterized by the power supplied in a polarity switching period. The controller starts the modulation control at a predetermined time after the power supplied to the discharge lamp reaches a predetermined power value.
摘要翻译：在本公开的至少一个实施例中，放电灯驱动装置包括放电灯点亮单元，其配置为在放电灯的两个电极上施加的电压的极性交替切换时向放电灯供电。控制器根据在极性切换周期中提供的功率所表征的功率比来执行功率的调制控制。控制器在提供给放电灯的电源达到预定功率值之后的预定时间开始调制控制。

17. 发明申请

US20090237623A1 DISCHARGE LAMP STARTER, METHOD FOR CONTROLLING THE SAME, AND PROJECTOR 有权
标题翻译：放电灯起动器，其控制方法和投影仪
公开(公告)号：US20090237623A1
公开(公告)日：2009-09-24
申请号：US12404340
申请日：2009-03-16
申请人： Kentaro Yamauchi
发明人： Kentaro Yamauchi
IPC分类号： G03B21/20 , H05B41/16
CPC分类号： H05B41/2886 , H05B41/3927 , Y02B20/202
摘要： In at least one embodiment of the disclosure a discharge lamp lighting apparatus includes a controller configured to control an AC conversion circuit to perform AC conversion control for controlling the timings at which a polarity of the discharge lamp driving AC current is reversed. The controller is configured to control the power control circuit to perform current control for controlling a magnitude of the DC current. The controller changes the accumulated energy supplied to each electrode of a discharge lamp in one cycle of the discharge lamp driving AC current in accordance with a periodic pattern. The periodic pattern includes a plurality of segmented periods during each of which the accumulated energy is maintained at a same level for a plurality of cycles of the discharge lamp driving AC current, and a level of the accumulated energy in at least two of the segmented periods differ from each other.
摘要翻译：在本公开的至少一个实施例中，放电灯点亮装置包括控制器，其被配置为控制AC转换电路以执行AC转换控制，以控制放电灯驱动AC电流的极性反转的定时。控制器被配置为控制功率控制电路以执行用于控制DC电流的大小的电流控制。控制器根据周期性图案在放电灯驱动AC电流的一个周期内改变提供给放电灯的每个电极的累积能量。周期性图案包括多个分段周期，在每个分段周期期间，对于放电灯驱动AC电流的多个周期，累积能量保持在相同电平，并且在至少两个分段周期中的累积能量水平彼此不同

18. 发明授权

US07549771B2 Light source device and projector 失效
标题翻译：光源设备和投影机
公开(公告)号：US07549771B2
公开(公告)日：2009-06-23
申请号：US11705761
申请日：2007-02-14
申请人： Kentaro Yamauchi , Toshiaki Hashizume
发明人： Kentaro Yamauchi , Toshiaki Hashizume
IPC分类号： H01J61/35
CPC分类号： F21V7/0025 , H01J61/045 , H01J61/86 , H04N5/7441
摘要： A light source device includes: a light source lamp having a light-emitting tube with a discharge space and a pair of electrodes disposed in the discharge space of the light-emitting tube; a reflector extending in a substantially concave shape in section, the reflector reflecting a light beam irradiated from the light source lamp; and a sub-reflection mirror having a reflection surface that is disposed to face a reflection surface of the reflector, the sub-reflection mirror reflecting a part of the light beam irradiated from the light source lamp toward the discharge space. The light-emitting tube has a light-emitting section having the discharge space therein and sealing sections provided on both sides of the light-emitting section. The sub-reflection mirror is formed in a shape of a bowl that covers the light-emitting section of the light-emitting tube, the sub-reflection mirror having an opening for mounting the sub-reflection mirror to the light-emitting tube by allowing one of the sealing sections of the light-emitting tube to be inserted thereinto. A heat insulating member is provided to at least a part of the light-emitting section and the other one of the sealing sections of the light-emitting tube.
摘要翻译：光源装置包括：具有放电空间的发光管和布置在发光管的放电空间内的一对电极的光源灯; 反射器，其基本上呈凹形的部分延伸，所述反射器反射从所述光源灯照射的光束; 以及副反射镜，其具有设置成面对反射器的反射面的反射面，副反射镜将从光源灯照射的一部分光束反射向放电空间。发光管具有其中具有放电空间的发光部分和设置在发光部分两侧的密封部分。副反射镜形成为覆盖发光管的发光部的碗状，副反射镜具有用于通过允许将副反射镜安装到发光管的开口要插入其中的发光管的密封部分之一。在发光部的至少一部分和发光管的密封部的另一方面设置隔热部件。

19. 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。

20. 发明申请

US20090040478A1 Discharge lamp, light source device and projector 有权
标题翻译：放电灯，光源装置和投影机
公开(公告)号：US20090040478A1
公开(公告)日：2009-02-12
申请号：US12222174
申请日：2008-08-04
申请人： Kentaro Yamauchi , Shunpei Ogaya
发明人： Kentaro Yamauchi , Shunpei Ogaya
IPC分类号： G03B21/28 , H01J17/04
CPC分类号： G03B21/2026 , H01J61/0732 , H01J61/86
摘要： A discharge lamp includes: an emitting portion in which a pair of electrodes are disposed, an electric discharge being generated between the pair of electrodes so as to emit light; at least either one electrode of the pair of the electrodes including: a small-diameter portion; and a large-diameter portion provided on an end of the small-diameter portion closer to the other electrode, the large-diameter portion having a larger diameter than the small-diameter portion; and the large-diameter portion including a projecting part, the projecting part projecting outward from the large-diameter portion.
摘要翻译：放电灯包括：发射部分，其中设置一对电极，在所述一对电极之间产生放电以发光; 所述一对电极中的至少一个电极包括：小直径部分; 以及设置在所述小直径部分的靠近所述另一个电极的一端的大直径部分，所述大直径部分具有比所述小直径部分更大的直径; 并且所述大直径部分包括突出部分，所述突出部分从所述大直径部分向外突出。

你已经成功收藏专利！

检索式保存成功!

IPRDB

热门服务

关于我们

友情链接

联系方式