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1.发明申请公开(公告)号：US20160320693A1
公开(公告)日：2016-11-03
申请号：US15139022
申请日：2016-04-26
发明人： Shun SATO , Junichi SUZUKI , Satoshi KITO
CPC分类号： G03B21/2053 , G03B21/006 , G03B21/2026 , H04N9/3155 , H04N9/317 , H04N9/3194 , H04N9/3197 , H05B41/2886 , H05B41/2887 , H05B41/38 , Y02B20/202
摘要： A discharge lamp driving device includes a discharge lamp driving unit configured to supply a driving current to a discharge lamp including electrodes, a controller configured to control the discharge lamp driving unit, and a voltage detection unit configured to detect an inter-electrode voltage of the discharge lamp, in which the controller controls the discharge lamp driving unit so that the driving current includes a hybrid period in which a first period for supplying an AC current with a first frequency to the discharge lamp and a second period for supplying a DC current to the discharge lamp are alternately repeated, in which the first frequency includes a plurality of different frequencies, and in which the controller changes the first frequency on the basis of at least one of the detected inter-electrode voltage and driving power supplied to the discharge lamp.
摘要翻译： 放电灯驱动装置包括：放电灯驱动单元，被配置为向包括电极的放电灯提供驱动电流;控制器，被配置为控制放电灯驱动单元;以及电压检测单元，被配置为检测所述放电灯驱动单元的电极间电压 放电灯，其中控制器控制放电灯驱动单元，使得驱动电流包括混合时段，其中向放电灯提供具有第一频率的AC电流的第一周期和用于将DC电流提供给第二周期 交替地重复放电灯，其中第一频率包括多个不同的频率，并且其中控制器基于检测到的电极间电压和提供给放电灯的驱动功率中的至少一个来改变第一频率 。
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公开(公告)号：US20140285771A1
公开(公告)日：2014-09-25
申请号：US14295611
申请日：2014-06-04
发明人： Tetsuo TERASHIMA , Shun SATO
CPC分类号： G03B21/2053 , G03B35/16 , H04N9/3155 , H04N13/341 , H04N13/363 , H05B41/2887 , H05B41/2928
摘要： A projector that outputs a first image and a second image alternately image 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 the first period and relatively large in the second period and, in the second period, the control section controls the discharge lamp driving section so that the discharge lamp driving section supplies an alternating current to the discharge lamp as the drive current and controls the discharge lamp driving section so that at least part of the frequency of the drive current is decreased with the progress of the deteriorating state.
摘要翻译： 输出第一图像和第二图像交替图像的投影仪包括：放电灯驱动部分，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所述第一期间变得相对较小，并且在所述第二期间中相对较大， 期间，控制部分控制放电灯驱动部分，使得放电灯驱动部分向放电灯提供交流电作为驱动电流，并控制放电灯驱动部分，使得驱动电流的至少一部分频率为 随着恶化状况的进展而下降。
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3.发明申请公开(公告)号：US20190090333A1
公开(公告)日：2019-03-21
申请号：US16135147
申请日：2018-09-19
发明人： Masaru KONO , Junichi SUZUKI , Shun SATO , Yuichiro IWAMA
IPC分类号： H05B41/38 , G03B21/20 , H01J61/86 , H05B41/288
摘要： A discharge lamp drive device includes a discharge lamp driver adapted to supply a drive current to a discharge lamp having a first electrode and a second electrode, a control section adapted to control the discharge lamp driver, and a storage section adapted to store a plurality of drive patterns of the drive current. The control section is adapted to select one drive pattern of the plurality of drive patterns based on machine learning, and execute the selected drive pattern.
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4.发明申请公开(公告)号：US20180252994A1
公开(公告)日：2018-09-06
申请号：US15905136
申请日：2018-02-26
发明人： Shun SATO
IPC分类号： G03B21/20 , H05B41/288 , H04N9/31
CPC分类号： G03B21/2053 , G03B21/006 , G03B21/2026 , G03B33/12 , H04N9/3102 , H04N9/3105 , H04N9/3155 , H05B41/2887
摘要： In a discharge lamp driver, a control section is configured to alternately repeat a first period in which an AC current is supplied and a second period in which a DC current is supplied, and when a first drive power lower than a rated power of the discharge lamp is supplied and an accumulated lighting time of the discharge lamp is shorter than a predetermined time, the control section is configured to set the length of the first period to be greater than that in a case where the first drive power is supplied and the accumulated lighting time is equal to or longer than the predetermined time, and set the frequency of the AC current during the first period to be higher than that in the case where the first drive power is supplied and the accumulated lighting time is equal to or longer than the predetermined time.
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公开(公告)号：US20170219919A1
公开(公告)日：2017-08-03
申请号：US15407553
申请日：2017-01-17
发明人： Satoshi KITO , Shun SATO
CPC分类号： G03B21/2053 , G03B21/006 , G03B21/2026 , H05B41/2887 , H05B41/36
摘要： In a discharge lamp driving device, a mixed period is provided, in which a first period in which an alternating current is supplied and a second period in which a direct current is supplied are alternately repeated and a third period alternately including a first direct current period and a second direct current period in which a direct current having a polarity opposite to a polarity of the direct current in the first direct current period is supplied. Length of the second direct current period is smaller than 0.5 ms. A total of lengths of the first direct current periods in the third period is larger than length of the second period. The third period is not provided at least when the inter-electrode voltage is smaller than a first predetermined value or when a cumulative lighting time of the discharge lamp is smaller than a second predetermined value.
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6.发明申请公开(公告)号：US20160270196A1
公开(公告)日：2016-09-15
申请号：US15057409
申请日：2016-03-01
发明人： Shun SATO
IPC分类号： H05B41/282 , G03B21/20 , H04N9/31 , H05B41/36
CPC分类号： H04N9/3155 , G03B21/206 , H05B41/38 , Y02B20/183
摘要： In an aspect of a discharge lamp driving device, a control unit performs first discharge lamp driving in which a first control and a second control are performed, and a second discharge lamp driving in which a third control and a fourth control are performed, a ratio of a DC current in the second control is higher than a ratio of the DC current in the first control, a ratio of the DC current in the fourth control is higher than a ratio of the DC current in the third control and is higher than the ratio of the DC current in the second control, and the control unit performs a transition from the second discharge lamp driving to the first discharge lamp driving in a case where an inter-electrode voltage is lower than a first reverse transition voltage.
摘要翻译： 在放电灯驱动装置的一个方面，控制单元执行执行第一控制和第二控制的第一放电灯驱动，以及执行第三控制和第四控制的第二放电灯驱动， 第二控制中的直流电流的比例高于第一控制中的直流电流的比率，第四控制中的直流电流的比率高于第三控制中的直流电流的比，高于第 在第二控制中的直流电流的比率，并且在电极间电压低于第一反向转变电压的情况下，控制单元执行从第二放电灯驱动到第一放电灯驱动的转变。
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公开(公告)号：US20160124293A1
公开(公告)日：2016-05-05
申请号：US14890866
申请日：2014-06-05
发明人： Shun SATO
IPC分类号： G03B21/20 , H04N13/04 , H05B41/392 , H04N9/31 , G02B27/22 , H05B41/288
CPC分类号： G03B21/2053 , G02B27/2264 , G03B21/2026 , H04N9/312 , H04N9/3155 , H04N9/3197 , H04N13/302 , H04N13/315 , H04N13/324 , H04N13/341 , H04N13/363 , H05B41/2887 , H05B41/2928 , H05B41/3928 , Y02B20/202 , Y02B20/208
摘要： A light source device includes a discharge lamp configured to emit light, a discharge lamp driving unit configured to supply a driving current for driving the discharge lamp to the discharge lamp, and a control unit configured to control the discharge lamp driving unit. A driving current waveform of the driving current alternately has a first period and a second period. An absolute value of the driving current during the first period is smaller than an absolute value of the driving current during the second period. The control unit is configured to supply an alternating current as the driving current to the discharge lamp during the first period. A frequency of the alternating current during the first period is equal to or higher than 750 Hz.
摘要翻译： 光源装置包括配置为发光的放电灯，放电灯驱动单元，被配置为向放电灯提供用于驱动放电灯的驱动电流;以及控制单元，被配置为控制放电灯驱动单元。 驱动电流的驱动电流波形交替地具有第一周期和第二周期。 第一期间的驱动电流的绝对值小于第二期间的驱动电流的绝对值。 控制单元被构造成在第一时段期间将交流电作为驱动电流提供给放电灯。 在第一周期期间的交流电频率等于或高于750Hz。
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公开(公告)号：US20140168391A1
公开(公告)日：2014-06-19
申请号：US14095352
申请日：2013-12-03
发明人： Tetsuo TERASHIMA , Shun SATO
IPC分类号： H04N13/04
CPC分类号： G03B21/2053 , H04N13/341 , H04N13/363 , H05B41/39
摘要： A projector includes a discharge lamp, a discharge-lamp driving unit, a control unit, a light modulating element, and a projection optical system. The control unit alternately repeats a high luminance period in which a driving current having a relatively large absolute value is supplied to the discharge lamp and a low luminance period in which the driving current having a relatively small absolute value is supplied to the discharge lamp. The control unit controls the discharge-lamp driving unit according to a driving current waveform formed by the control waveform unit including a direct-current waveform pattern in which the driving current in a first high luminance period, the driving current in a first low luminance period immediately after the first high luminance period, and the driving current in a second high luminance period immediately after the first low luminance period have the same first polarity.
摘要翻译： 投影仪包括放电灯，放电灯驱动单元，控制单元，光调制元件和投影光学系统。 控制单元交替重复将具有相对较大绝对值的驱动电流提供给放电灯的高亮度周期，并且将具有相对较小绝对值的驱动电流提供给放电灯的低亮度周期。 控制单元根据由控制波形单元形成的驱动电流波形控制放电灯驱动单元，该驱动电流波形包括直流波形图案，其中第一高亮度周期中的驱动电流，第一低亮度周期中的驱动电流 紧接在第一高亮度周期之后，紧接在第一低亮度周期之后的第二高亮度周期中的驱动电流具有相同的第一极性。
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9.发明申请DISCHARGE LAMP DRIVING DEVICE, PROJECTOR, AND DISCHARGE LAMP DRIVING METHOD 审中-公开放电灯驱动装置，投影仪和放电灯驱动方法公开(公告)号：US20160270197A1
公开(公告)日：2016-09-15
申请号：US15059892
申请日：2016-03-03
发明人： Shun SATO , Tetsuo TERASHIMA , Yoichi NAKAGOMI
IPC分类号： H05B41/288 , H04N9/31
CPC分类号： H04N9/3123 , H04N9/3155 , H04N9/3179 , H04N9/3197 , H05B41/2886 , H05B41/2887 , Y02B20/202
摘要： According to an aspect of the invention, a discharge lamp driving device includes a discharge lamp driving section, a control section, and a voltage detecting section. The control section is configured to execute a first discharge lamp driving for executing a first control and a second control for supplying a driving current including a direct current and an alternating current to a discharge lamp. In the first discharge lamp driving, the control section executes the first control when the interelectrode voltage is equal to or smaller than a first threshold voltage at predetermined setting timing and executes the second control when the interelectrode voltage is larger than the first threshold voltage at the predetermined setting timing. A rate of the direct current in the second control is larger than a rate of the direct current in the first control.
摘要翻译： 根据本发明的一个方面，放电灯驱动装置包括放电灯驱动部分，控制部分和电压检测部分。 控制部被配置为执行用于执行第一控制的第一放电灯驱动和用于将包括直流电和交流电的驱动电流提供给放电灯的第二控制。 在第一放电灯驱动中，当电极间电压等于或小于预定设定时刻的第一阈值电压时，控制部执行第一控制，并且当电极间电压大于第一阈值电压时执行第二控制 预定设定时间。 第二控制中的直流电流的速率大于第一控制中的直流电流的速率。
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10.发明申请DISCHARGE LAMP DRIVER, LIGHT SOURCE, PROJECTOR, AND METHOD OF DRIVING DISCHARGE LAMP 有权放电灯驱动器，光源，投影仪和驱动放电灯的方法公开(公告)号：US20140354961A1
公开(公告)日：2014-12-04
申请号：US14282685
申请日：2014-05-20
发明人： Junichi SUZUKI , Shun SATO
CPC分类号： H04N9/3155 , G03B21/2026 , H05B41/2886
摘要： A discharge lamp driver includes a discharge lamp drive unit that supplies a drive current to the discharge lamp, and a control unit that controls the discharge lamp drive unit according to a drive current waveform, wherein the drive current waveform has a mixed frequency drive period including a unit drive period containing a first drive period in which a first drive current is supplied to the discharge lamp and a second drive period provided immediately after the first drive period, in which a second drive current is supplied to the discharge lamp, the first drive current is a half-period alternating current having a frequency higher than 10 Hz and not higher than 300 Hz, the second drive current is an alternating current having a frequency higher than 1000 Hz, and a length of the second drive period is equal to or longer than a length of the first drive period.
摘要翻译： 放电灯驱动器包括向放电灯提供驱动电流的放电灯驱动单元和根据驱动电流波形控制放电灯驱动单元的控制单元，其中驱动电流波形具有混合频率驱动周期，包括 包括第一驱动周期的单元驱动周期，其中第一驱动电流被提供给放电灯，以及在第一驱动周期之后提供第二驱动周期的第二驱动周期，其中第二驱动电流被提供给放电灯，第一驱动 电流是具有高于10Hz且不高于300Hz的频率的半周期交流电，第二驱动电流是频率高于1000Hz的交流电，并且第二驱动周期的长度等于或等于 长于第一驱动周期的长度。
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