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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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公开(公告)号：US20140055752A1
公开(公告)日：2014-02-27
申请号：US14065603
申请日：2013-10-29
发明人： Tetsuo TERASHIMA , Takeshi TAKEZAWA
IPC分类号： 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。
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公开(公告)号：US20140232990A1
公开(公告)日：2014-08-21
申请号：US14263363
申请日：2014-04-28
发明人： Tetsuo TERASHIMA
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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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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5.发明申请公开(公告)号：US20150103323A1
公开(公告)日：2015-04-16
申请号：US14506087
申请日：2014-10-03
CPC分类号： H04N9/3155 , H05B41/2887 , H05B41/2888
摘要： A discharge lamp driving device includes: a discharge lamp driving unit which supplies drive power to a discharge lamp; and a control unit which controls the discharge lamp driving unit. The control unit is configured to execute a first driving in which first drive power is supplied to the discharge lamp and a second driving in which second drive power that is equal to or higher than the first drive power and equal to or lower than rated power of the discharge lamp is supplied to the discharge lamp. The control unit executes the second driving in a launching period of the discharge lamp, and adjusts a heat load applied to the discharge lamp in the second driving executed in the launching period, according to a degree of deterioration of the discharge lamp.
摘要翻译： 放电灯驱动装置包括：放电灯驱动单元，其向放电灯提供驱动电力; 以及控制单元，其控制放电灯驱动单元。 控制单元被配置为执行第一驱动，其中第一驱动功率被提供给放电灯，以及第二驱动，其中第二驱动功率等于或高于第一驱动功率，并且等于或低于第一驱动功率的额定功率 放电灯被提供给放电灯。 控制单元在放电灯的发射周期中执行第二驱动，并且根据放电灯的劣化程度来调节在发射周期中执行的第二驱动中对放电灯施加的热负荷。
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公开(公告)号：US20140375965A1
公开(公告)日：2014-12-25
申请号：US14291689
申请日：2014-05-30
发明人： Junichi SUZUKI , Yasuhiro TOBA , Tetsuo TERASHIMA
CPC分类号： G03B21/16 , F21V29/60 , G03B21/2026 , H01J17/28
摘要： A light source includes a discharge lamp that outputs light, a discharge lamp driver that supplies drive power to the discharge lamp, a cooling unit that cools the discharge lamp, and a control unit that controls the cooling unit, and the control unit controls the cooling unit based on control information representing a relationship a rotation speed of the cooling unit between at least one of temperature information of the discharge lamp and a voltage between electrodes of the discharge lamp.
摘要翻译： 光源包括输出光的放电灯，向放电灯提供驱动电力的放电灯驱动器，冷却放电灯的冷却单元和控制冷却单元的控制单元，并且控制单元控制冷却 基于控制信息的单元，其表示在放电灯的温度信息和放电灯的电极之间的电压中的至少一个之间的冷却单元的旋转速度的关系。
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7.发明申请DISCHARGE LAMP LIGHTING DEVICE, DISCHARGE LAMP LIGHTING METHOD, AND PROJECTOR 有权放电灯照明装置，放电灯照明方法和投影仪公开(公告)号：US20140191685A1
公开(公告)日：2014-07-10
申请号：US14134269
申请日：2013-12-19
发明人： Yoichi NAKAGOMI , Tetsuo TERASHIMA
IPC分类号： H05B41/36
CPC分类号： H05B41/2928 , H05B41/2882
摘要： A discharge lamp lighting method for controlling lighting of a discharge lamp includes varying an amount of generation (current value) of overshoot and undershoot generated in a waveform of a drive current that is applied when driving the discharge lamp, according to a magnitude of drive power supplied to the discharge lamp and a drive mode.
摘要翻译： 用于控制放电灯的点亮的放电灯点亮方法包括根据驱动功率的大小来改变在驱动放电灯时施加的驱动电流的波形中产生的过冲和下冲的产生量（电流值） 提供给放电灯和驱动模式。
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8.发明申请公开(公告)号：US20170277032A1
公开(公告)日：2017-09-28
申请号：US15448311
申请日：2017-03-02
发明人： Tetsuo TERASHIMA
CPC分类号： G03B21/2053 , G03B21/005 , G03B21/2026 , H05B41/2887 , H05B41/36 , Y02B20/202
摘要： A discharge lamp driving device includes a discharge lamp driving section configured to supply a driving current to a discharge lamp, a control section configured to control the discharge lamp driving section, and a voltage detecting section configured to detect an inter-electrode voltage. The control section supplies a driving current including a first alternating current when the inter-electrode voltage is equal to or higher than a first voltage, supplies a driving current including a second alternating current having a frequency which is lower than a frequency of the first alternating current when the inter-electrode voltage is lower than the first voltage and equal to or higher than a second voltage lower than the first voltage, and supplies a driving current including a third alternating current having a frequency which is higher than the frequency of the first alternating current when the inter-electrode voltage is lower than the second voltage.
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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：US20170076645A1
公开(公告)日：2017-03-16
申请号：US15254361
申请日：2016-09-01
发明人： Tetsuo TERASHIMA , Yoichi NAKAGOMI
CPC分类号： G03B21/2026 , G03B21/2053 , G09G3/3406 , H05B41/2825
摘要： In an aspect of a discharge lamp driving device, the controller is configured to supply a driving current to a discharge lamp, the driving current alternately having a first period and a second period. The first period includes a plurality of consecutive first unit driving periods each of which is constituted of a first polarity period and a second polarity period. The second period includes a plurality of consecutive second unit driving periods. In the first unit driving period, a length of one polarity period is larger than the other polarity period, and a duration ratio which is a ratio of the length of the one polarity period to the length of the other polarity period is equal to or more than a predetermined value. In the second unit driving period, the duration ratio is equal to or more than 1, and is less than the predetermined value.
摘要翻译： 在放电灯驱动装置的一个方面，控制器被配置为向驱动电流提供驱动电流，驱动电流交替地具有第一周期和第二周期。 第一周期包括多个连续的第一单元驱动周期，每个第一单元驱动周期由第一极性周期和第二极性周期构成。 第二周期包括多个连续的第二单元驱动周期。 在第一单位驱动周期中，一个极性周期的长度大于另一个极性周期，并且作为一个极性周期的长度与另一个极性周期的长度的比率的持续时间比等于或等于 超过预定值。 在第二单位驱动期间，持续时间比等于或大于1，并且小于预定值。
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10.发明申请公开(公告)号：US20160066399A1
公开(公告)日：2016-03-03
申请号：US14795386
申请日：2015-07-09
发明人： Yoichi NAKAGOMI , Tetsuo TERASHIMA
IPC分类号： H05B41/392 , H04N9/31
CPC分类号： H05B41/3927 , G03B21/2026 , G03B21/2053 , H04N9/312 , H04N9/3155 , H04N9/3197 , H05B41/2928 , Y02B20/204 , Y02B20/208
摘要： A discharge lamp driving device according to an aspect includes: a discharge lamp driving section configured to supply driving power to a discharge lamp including electrodes and a control section configured to control the discharge lamp driving section. The control section is configured to perform a steady lighting driving for supplying first driving power to the discharge lamp and a high power driving for supplying second driving power larger than the first driving power to the discharge lamp. The magnitude of heat load on the electrodes by the high power driving changes on the basis of the first driving power.
摘要翻译： 根据本发明的放电灯驱动装置包括：放电灯驱动部，被配置为向包括电极的放电灯提供驱动电力;以及控制部，被配置为控制放电灯驱动部。 所述控制部被配置为进行向所述放电灯供给第一驱动电力的稳定点亮驱动和向所述放电灯供给比所述第一驱动电力大的第二驱动电力的高功率驱动。 大功率驱动电极上的热负荷的大小根据第一驱动功率而变化。
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