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41.发明授权Radiation imaging apparatus, and method and program for controlling radiation imaging apparatus 有权辐射成像装置，以及用于控制放射线成像装置的方法和程序公开(公告)号：US07869568B2
公开(公告)日：2011-01-11
申请号：US12039983
申请日：2008-02-29
IPC分类号： H05G1/64
CPC分类号： H04N5/32 , A61B6/4441 , A61B6/4464 , A61B6/585 , H04N5/353 , H04N5/3597 , H04N5/361 , H04N5/3655
摘要： A radiation imaging apparatus is provided that stabilizes a dark current, image ghosting, and the sensitivity of the imaging apparatus, reduces the power consumption and the heat generation of a light source, and improves the durability of a conversion element. The radiation imaging apparatus includes a flat panel detector including a conversion unit, where the conversion unit includes a plurality of pixels arranged in a matrix and each of the pixels includes a conversion element capable of converting a radiation ray into electric charge, a light source capable of emitting light to the conversion unit, and a control unit configured to control the flat panel detector and the light source. The control unit controls the emission of light performed by the light source on the basis of a signal output from the flat panel detector.
摘要翻译： 提供了稳定暗电流，图像重影以及成像装置的灵敏度的放射线成像装置，降低了光源的功耗和发热，提高了转换元件的耐久性。 放射线摄像装置包括：平面检测器，包括转换单元，其中转换单元包括以矩阵排列的多个像素，并且每个像素包括能够将辐射线转换成电荷的转换元件， 向所述转换单元发射光;以及控制单元，被配置为控制所述平板检测器和所述光源。 控制单元基于从平板检测器输出的信号来控制由光源执行的光的发射。
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42.发明申请公开(公告)号：US20100277592A1
公开(公告)日：2010-11-04
申请号：US12744124
申请日：2009-01-20
IPC分类号： H04N5/30
CPC分类号： G01T1/1647 , A61B6/00 , H01L27/14658 , H04N5/361 , H04N5/3658
摘要： A read out operation for reading out image data from a conversion circuit irradiated with a radiation, and a read out operation for reading out offset image data from the conversion circuit without irradiated with a radiation are selectively conducted, a control is conducted to repeat at a plurality of times the operation for reading out the offset image data, offset data corresponding to each pixel is extracted from one of the plurality of the offset image data to generate corrective offset image data such that offset data corresponding to all the pixels in a row of the matrix is not extracted from one of the plurality of offset image data, and the corrective offset image data is subtracted from the image data to perform an offset correction to render line noise less noticeable, for an offset correction without line noise by a simple signal processing to be provided.
摘要翻译： 选择性地进行用于从辐射照射的转换电路读出图像数据的读出操作和用于从辐射中照射而从转换电路读出偏移图像数据的读出操作，进行控制以在 多次读取偏移图像数据的操作，从多个偏移图像数据中的一个提取对应于每个像素的偏移数据，以产生校正偏移图像数据，使得与一行中的所有像素对应的偏移数据 不从多个偏移图像数据中的一个提取矩阵，并且从图像数据中减去校正偏移图像数据以进行偏移校正，以使得线噪声不显着，通过简单信号进行无线噪声的偏移校正 要提供处理。
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43.发明授权公开(公告)号：US07786448B2
公开(公告)日：2010-08-31
申请号：US12488256
申请日：2009-06-19
IPC分类号： G01T1/24
CPC分类号： H04N5/32 , H04N5/3658 , H04N5/374 , H04N5/3742 , H04N5/378
摘要： For reducing extremely conspicuous line noise appearing in a picked up image with a simple configuration without complicating the configuration of an apparatus, an imaging apparatus a first sampling and holding circuit for sampling and holding an electric signal from pixels in one column of the detection unit and a second sampling and holding circuit for sampling and holding and electric signal from pixels in the other column of the detection unit, and a control unit for controlling such that the first and second sampling and holding circuits perform the sampling and holding in mutually different timings.
摘要翻译： 为了以简单的配置减少出现在拾取图像中的非常明显的线路噪声，而不会使设备的配置复杂化，成像设备具有用于从检测单元的一列中的像素采样和保持电信号的第一采样和保持电路，以及 用于从检测单元的另一列中的像素采样和保持电信号的第二采样和保持电路;以及控制单元，用于控制使得第一和第二采样保持电路在相互不同的定时执行采样和保持。
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44.发明申请公开(公告)号：US20100176285A1
公开(公告)日：2010-07-15
申请号：US12748004
申请日：2010-03-26
摘要： The invention intends to be able to perform a gain correction fully adequately. Hence, at the time of radiographing an object, a gain correction of the object image is performed based on a gain correction image (XRc1) derived by performing a light reset. On the other hand, at the time of radiographing an object, when a light reset is not performed, a gain correction of the object image is performed based on a gain correction image (XRc2) derived without performing the light reset.
摘要翻译： 本发明旨在能够充分地进行增益校正。 因此，在拍摄物体时，基于通过进行光复位导出的增益校正图像（XRc1）来执行对象图像的增益校正。 另一方面，在拍摄物体时，当不进行光复位时，基于不进行光复位而导出的增益校正图像（XRc2），进行被摄体图像的增益校正。
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公开(公告)号：US20100155614A1
公开(公告)日：2010-06-24
申请号：US12637579
申请日：2009-12-14
申请人： Tomoyuki Yagi , Tadao Endo , Toshio Kameshima , Masayoshi Akiyama , Katsuro Takenaka , Keigo Yokoyama
发明人： Tomoyuki Yagi , Tadao Endo , Toshio Kameshima , Masayoshi Akiyama , Katsuro Takenaka , Keigo Yokoyama
IPC分类号： G01T1/24
CPC分类号： G01T1/00 , H04N5/32 , H04N5/3658 , H04N5/3698
摘要： An apparatus includes a detecting unit having pixels that converts radiation or light to electric signals; a drive circuit that drives the detecting unit; a read circuit that outputs the electric signals as image signals; a power supply unit that supplies voltages to the detecting unit, the drive circuit, and the read circuit; and a control unit that controls at least the drive circuit and the power supply unit. The control unit performs a first process of stopping the voltage supply operation to the detecting unit, with the voltage supply operations to the drive circuit and the read circuit maintained; a second process of driving the detecting unit; and a third process of stopping the voltage supply operations to the drive circuit and the read circuit.
摘要翻译： 一种装置包括具有将辐射或光转换成电信号的像素的检测单元; 驱动所述检测单元的驱动电路; 将电信号作为图像信号输出的读出电路; 电源单元，向检测单元，驱动电路和读取电路提供电压; 以及至少控制驱动电路和电源单元的控制单元。 控制单元执行停止对检测单元的电压供应操作的第一过程，其中维持对驱动电路和读取电路的电压供应操作; 驱动检测单元的第二处理; 以及停止对驱动电路和读取电路的电压供给操作的第三处理。
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公开(公告)号：US20100149391A1
公开(公告)日：2010-06-17
申请号：US12634390
申请日：2009-12-09
摘要： An apparatus includes a detection unit including a plurality of pixels that are arranged in a matrix and that are divided into at least first and second pixel groups, a signal processing unit including first and second readout circuits and first and second A/D converters, a power supply unit configured to supply the components included in the signal processing unit with respective biases, and a control unit configured to control at least one of the signal processing unit and the power supply unit. The control unit is configured to perform processing of altering an analog signal capable of being input into at least one of the first and second A/D converters or altering an A/D conversion characteristic of at least one of the first and second A/D converters.
摘要翻译： 一种装置，包括：检测单元，包括排列成矩阵并被划分为至少第一和第二像素组的多个像素;信号处理单元，包括第一和第二读出电路以及第一和第二A / D转换器， 电源单元，被配置为将包括在信号处理单元中的组件提供各自的偏压;以及控制单元，被配置为控制信号处理单元和电源单元中的至少一个。 控制单元被配置为执行改变能够被输入到第一和第二A / D转换器中的至少一个的模拟信号的处理或改变第一和第二A / D中的至少一个的A / D转换特性 转换器。
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公开(公告)号：US20100148080A1
公开(公告)日：2010-06-17
申请号：US12516615
申请日：2008-09-03
CPC分类号： H01L27/14661 , H04N5/32 , H04N5/343 , H04N5/357 , H04N5/37213 , H04N5/374
摘要： First drive wirings electrically connected to output switching elements TT11 to TT63 in a plurality of n-th row pixels 111 and second drive wirings electrically connected to initializing switch elements TR11 to TR63 in a plurality of pixels 111 along a predetermined row are connected to a first drive circuit unit 121 arranged on a first side of a glass substrate 10. Third drive wirings electrically connected to output switching elements in a plurality of n+1-th row pixels 111 and fourth drive wirings electrically connected to initializing switch element in a plurality of pixels 111 along another row different from a predetermined row are connected to a second drive circuit unit 122 arranged along a second side in opposition to the first side of the glass substrate 10 sandwiching the converting unit 110 between the first and second sides. Thereby, the drive circuit unit can be electrically and simply implemented and freedom of selection of an output operation mode can be secured so that a high quality image subjected to reduction of shading influence can be realized and obtained.
摘要翻译： 电连接到多个第n行像素111中的输出开关元件TT11至TT63的第一驱动布线和沿着预定行电连接到多个像素111中的初始化开关元件TR11至TR63的第二驱动布线连接到第一 驱动电路单元121布置在玻璃基板10的第一侧上。电连接到多个第n + 1行像素111中的输出开关元件的第三驱动布线和与多个开关元件初始化开关元件电连接的第四驱动布线 沿着与预定行不同的另一行的像素111连接到第二驱动电路单元122，第二驱动电路单元122沿着与在第一和第二侧之间夹持转换单元110的玻璃基板10的第一侧相对布置。 由此，可以电气且简单地实现驱动电路单元，并且可以确保输出操作模式的选择的自由度，从而可以实现并获得经受降低遮蔽影响的高质量图像。
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48.发明申请RADIATION IMAGING APPARATUS, ITS CONTROL METHOD, AND RECORDING MEDIUM STORING PROGRAM FOR EXECUTING THE CONTROL METHOD 有权辐射成像装置，其控制方法和记录中央存储程序，用于执行控制方法公开(公告)号：US20090294679A1
公开(公告)日：2009-12-03
申请号：US11721281
申请日：2006-11-27
CPC分类号： G01T1/2018 , H01L27/14676 , H04N5/32
摘要： To provide a radiation imaging apparatus capable of restraining the change of image qualities due to the change of sensitivities of an MIS-type photoelectric conversion element and its control method. Therefore, an MIS-type photoelectric conversion element 217 is set to a saturation state before performing radiation imaging. As means for realizing the above mentioned, a light source 601, power supply 603 for making the light source 601 emit light, and switch 605 are provided. The light source 601 can use a light source capable of discharging the light having a wavelength which can be detected by a photoelectric conversion layer 209 at optional timing. For example, it is possible to use a light source in which a plurality of LEDs or cold cathode ray tubes are arranged, a light guide plate is combined with an LED or cold cathode ray tube, or an EL device.
摘要翻译： 提供能够抑制由于MIS型光电转换元件的灵敏度变化引起的图像质量变化的放射线摄像装置及其控制方法。 因此，在进行放射线成像之前，将MIS型光电转换元件217设定为饱和状态。 作为实现上述的手段，设置有用于使光源601发光的光源601，电源603以及开关605。 光源601可以使用能够以可选择的时刻放电具有可由光电转换层209检测的波长的光的光源。 例如，可以使用其中布置有多个LED或冷阴极射线管的光源，导光板与LED或冷阴极射线管或EL器件组合。
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49.发明申请公开(公告)号：US20090256079A1
公开(公告)日：2009-10-15
申请号：US12488256
申请日：2009-06-19
IPC分类号： G01T1/24
CPC分类号： H04N5/32 , H04N5/3658 , H04N5/374 , H04N5/3742 , H04N5/378
摘要： For reducing extremely conspicuous line noise appearing in a picked up image with a simple configuration without complicating the configuration of an apparatus, an imaging apparatus a first sampling and holding circuit for sampling and holding an electric signal from pixels in one column of the detection unit and a second sampling and holding circuit for sampling and holding and electric signal from pixels in the other column of the detection unit, and a control unit for controlling such that the first and second sampling and holding circuits perform the sampling and holding in mutually different timings.
摘要翻译： 为了以简单的配置减少出现在拾取图像中的非常明显的线路噪声，而不会使设备的配置复杂化，成像设备具有用于从检测单元的一列中的像素采样和保持电信号的第一采样和保持电路，以及 用于从检测单元的另一列中的像素采样和保持电信号的第二采样和保持电路;以及控制单元，用于控制使得第一和第二采样保持电路在相互不同的定时执行采样和保持。
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50.发明授权Radiation imaging apparatus, apparatus control method, and computer-readable storage medium storing program for executing control 有权辐射成像装置，装置控制方法和用于执行控制的存储程序的计算机可读存储介质公开(公告)号：US07550733B2
公开(公告)日：2009-06-23
申请号：US11692534
申请日：2007-03-28
IPC分类号： G01T1/24
CPC分类号： A61B6/4488 , A61B6/4405 , A61B6/4441 , A61B6/548 , H04N5/32 , H04N5/3698
摘要： To provide a radiation imaging apparatus which is capable of both connecting state radiographing for radiographing with a C arm connected and non-connecting state radiographing for radiographing with the C arm disconnected, and is convenient and obtains high quality images, the apparatus includes: a flat panel detector; a holding unit for holding at least the flat panel detector; and a control unit for controlling the flat panel detector. With this configuration, the flat panel detector can be connected to and disconnected from the holding unit; connecting state radiographing can be performed with the flat panel detector connected to the holding unit, and non-connecting state radiographing can be performed with the flat panel detector disconnected from the holding unit; the control unit controls the flat panel detector such that a heat generation quantity of the flat panel detector during the non-connecting state radiographing can be lower than a heat generation quantity of the flat panel detector during the connecting state radiographing.
摘要翻译： 为了提供一种辐射成像装置，其能够将用于X射线照相的状态X射线照相用C臂连接和非连接状态X射线照相用于用C摄影机断开的X射线照相，并且便于获得高质量图像，该装置包括： 面板检测器 保持单元，用于至少保持平板检测器; 以及用于控制平板检测器的控制单元。 通过这种配置，平板检测器可以连接到保持单元并与其分离; 可以在与保持单元连接的平板检测器进行连接状态放射照像，并且可以在平板检测器与保持单元断开的情况下进行非连接状态的X线照相; 控制单元控制平板检测器，使得在连接状态放射照像期间平板检测器的发热量可以低于连接状态放射照相期间的平板检测器的发热量。
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