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公开(公告)号：US20100001198A1
公开(公告)日：2010-01-07
申请号：US12556607
申请日：2009-09-10
IPC分类号： H01L27/146
CPC分类号： H04N5/374 , H04N5/32 , H04N5/357 , H04N5/3658
摘要： As a radiation imaging apparatus which can easily and effectively correct line noise, there is provided a radiation imaging apparatus having: a conversion unit having a pixel region in which a plurality of pixels each having a conversion element (202) for converting radiation into an electric charge and a switching element (201) for outputting an electric signal based on the electric charge are arranged in a matrix; a capacitor element (301) arranged outside the pixel region; a reading out circuit unit (108) for reading out the electric signals from the pixels row by row and reading out, in parallel, a signal from the capacitor element and the electric signal from the pixel; and a correction unit for correcting the electric signal based on the signal from the capacitor element.
摘要翻译： 作为可以容易且有效地校正线路噪声的放射线摄像装置，提供了一种放射线摄像装置，其具有：具有像素区域的转换单元，其中多个像素分别具有用于将辐射转换成电的转换元件（202） 电荷和用于基于电荷输出电信号的开关元件（201）排列成矩阵; 布置在像素区域外的电容器元件（301） 读出电路单元（108），用于并行地读出来自像素的电信号，并且并行地读出来自电容器元件的信号和来自像素的电信号; 以及校正单元，用于基于来自电容器元件的信号校正电信号。
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32.发明申请IMAGING APPARATUS, RADIATION IMAGING SYSTEM, CONTROLLING METHOD OF IMAGING APPARATUS, AND RECORDING MEDIUM RECORDING CONTROL PROGRAM OF IMAGING APPARATUS 有权成像装置，放射成像系统，成像装置的控制方法和记录装置的中间记录控制程序公开(公告)号：US20090272909A1
公开(公告)日：2009-11-05
申请号：US12422474
申请日：2009-04-13
CPC分类号： G01T1/2928
摘要： An imaging apparatus according to the present invention includes a transmitting path transmitting the output electric signal, and a read out circuit performing a sampling and holding operation for holding the electric signal read out through the transmitting path, and performing a reset operation for reset of the transmitting path, and includes a control unit for controlling an outputting drive circuit and a read out circuit so as to perform row by row the sampling and holding operation after a start of the output operation, to perform the reset operation after the sampling and holding operation, and to perform a termination of the output operation after the reset operation. This can provide an imaging apparatus and a radiation imaging apparatus that can reduce a frame time without reducing an S/N ratio of an image signal.
摘要翻译： 根据本发明的成像装置包括发送输出电信号的发送路径和执行用于保持通过发送路径读出的电信号的采样保持操作的读出电路，并且执行用于复位的复位操作 并且包括用于控制输出驱动电路和读出电路的控制单元，以便在开始输出操作之后逐行地进行采样和保持操作，以在采样和保持操作之后执行复位操作 并且在复位操作之后执行输出操作的终止。 这可以提供可以在不降低图像信号的S / N比的情况下减少帧时间的成像装置和放射线成像装置。
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33.发明授权Radiation imaging apparatus, radiation imaging system, and method of controlling radiation imaging apparatus 有权辐射成像装置，放射线成像系统和控制辐射成像装置的方法公开(公告)号：US07613277B2
公开(公告)日：2009-11-03
申请号：US12175495
申请日：2008-07-18
IPC分类号： H05G1/58
CPC分类号： G01T1/244 , H04N5/32 , H04N5/3698 , H04N5/374 , H04N5/378
摘要： A radiation imaging apparatus is capable of taking a moving picture by acquisition by a reading circuit of a plurality of radiation image signals on the basis of a plurality of successive times of irradiation of a radiation detector with radiation rays. The radiation detector has a two-dimensional array of pixels. In a period between a start of an n-th time of irradiation with radiation rays and a start of an (n+1)-th time of irradiation with radiation rays, where n is a natural number, a controller switches an operation status of an analog-to-digital converter that converts electric signals read by the reading circuit into digital signals so that power consumption of the analog-to-digital converter is reduced.
摘要翻译： 辐射成像装置能够通过基于放射线检测器的多次连续照射时间的多个辐射图像信号的读取电路进行拍摄来拍摄运动图像。 辐射检测器具有二维像素阵列。 在用放射线照射的第n次开始与第n + 1次放射线照射开始之间的期间，其中n是自然数，控制器切换操作状态 将由读取电路读取的电信号转换成数字信号的模拟 - 数字转换器，从而降低模数转换器的功耗。
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34.发明申请RADIATION IMAGING APPARATUS, APPARATUS CONTROL METHOD, AND COMPUTER-READABLE STORAGE MEDIUM STORING PROGRAM FOR EXECUTING CONTROL 失效放射成像装置，装置控制方法以及用于执行控制的计算机可读存储介质存储程序公开(公告)号：US20090224163A1
公开(公告)日：2009-09-10
申请号：US12464162
申请日：2009-05-12
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 the 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。 通过该配置，平板检测器可以连接到保持单元并从保持单元断开; 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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35.发明授权Radiation image pickup apparatus, radiation image pickup system, their control method and their control program 失效辐射摄像装置，放射摄像系统，其控制方法及其控制程序公开(公告)号：US07573038B2
公开(公告)日：2009-08-11
申请号：US11502541
申请日：2006-08-11
CPC分类号： H01L27/14663 , H01L27/12 , H01L27/14609 , H01L31/095 , H01L31/105 , H01L31/1085 , H01L31/119 , H04N5/32 , H04N5/357 , H04N5/365 , H04N5/3742
摘要： A radiation image pickup apparatus which selectively executes a first reading operation driving a detection unit irradiated with the radiation to read a first signal value, a second reading operation driving the detection unit without being irradiated with any radiations before the first reading operation to read a second signal value, and a third reading operation driving the detection unit without being irradiated with any radiations after the first reading operation to read a third signal value, and subtracts a signal value produced by the processing of the second signal value and the third signal value from the first signal value, thereby reducing an offset component and random noises without lowering a frame rate and its control method are provided.
摘要翻译： 一种放射线图像拾取装置，其选择性地执行驱动用辐射照射的检测单元读取第一信号值的第一读取操作，驱动检测单元的第二读取操作，而不在第一读取操作之前照射任何辐射以读取第二信号值 信号值，以及驱动检测单元的第三读取操作，而不用在第一读取操作之后的任何辐射照射以读取第三信号值，并且将从第二信号值和第三信号值的处理产生的信号值相减 第一信号值，从而降低偏移分量和随机噪声而不降低帧速率，并提供其控制方法。
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公开(公告)号：US07514690B2
公开(公告)日：2009-04-07
申请号：US11127077
申请日：2005-05-12
申请人： Tadao Endo , Toshio Kameshima , Tomoyuki Yagi , Katsuro Takenaka
发明人： Tadao Endo , Toshio Kameshima , Tomoyuki Yagi , Katsuro Takenaka
CPC分类号： H04N5/32 , H04N5/361 , H04N5/3698 , H04N5/378
摘要： Each pixel is provided with a photoelectric converting device or the like, a source-follower-type first transistor or the like, a second transistor to be turned on when reading an electrical signal from a pixel selected by a shift register for each line and outputting the signal to a readout circuit unit and a third transistor to be turned on when resetting a photoelectric converting device set to a pixel selected by a shift register for each line. Moreover, a bias power source for supplying a photoelectric conversion bias to a photoelectric converting device and a reset power source for supplying a reset bias to a photoelectric converting device are set in the readout circuit unit. By using the radiation image pickup apparatus and its control method, it is possible to improve the S/N ratio while restraining noises and preferably, it is possible to perform stable and high-speed dynamic-image photographing and restrain dark current.
摘要翻译： 每个像素设置有光电转换装置等，源极跟随器型第一晶体管等，当从用于每行的移位寄存器选择的像素读取电信号时将被接通的第二晶体管，并且输出 当将每个行的移位寄存器选择的像素设置为光电转换装置复位时，将信号发送到读出电路单元和第三晶体管。 此外，在读出电路单元中设置用于向光电转换装置提供光电转换偏压的偏置电源和用于向光电转换装置提供复位偏压的复位电源。 通过使用放射线摄像装置及其控制方法，可以在抑制噪声的同时提高S / N比，优选地，可以进行稳定的高速动态图像拍摄并抑制暗电流。
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公开(公告)号：US07381963B2
公开(公告)日：2008-06-03
申请号：US11535726
申请日：2006-09-27
IPC分类号： G01T1/24
CPC分类号： G01T1/2018 , G01T1/247
摘要： It is made possible that, in accordance with a plurality of radiographing modes such as the still image radiographing mode and the moving image radiographing mode, the outputs both in the irradiation period and in the non-irradiation period are made to fall within the dynamic range of the radiographing system, whereby an accurate, high-S/N-ratio X-ray radiographic image is obtained. For that purpose, in accordance with the plurality of radiographing modes, an arithmetic operation unit adjusts a power source to control voltage to be applied to a reading circuit unit or an Analogue-Digital conversion unit, such that, in each of the radiographing modes, both an electric signal in the X-ray irradiation period and an electric signal in the X-ray non-irradiation period fall within the dynamic ranges of the reading circuit unit and the Analogue-Digital conversion unit.
摘要翻译： 有可能根据诸如静止图像放射照相模式和运动图像放射照相模式的多种放射照相模式，使得在照射期间和非照射期间的输出都落在动态范围内 的X射线照相系统，从而获得准确的高S / N比X射线照相图像。 为此，根据多个放射照相模式，算术运算单元调整电源以控制要施加到读取电路单元或模拟数字转换单元的电压，使得在每个放射照相模式中， X射线照射期间的电信号和X射线不照射期间的电信号都在读取电路部和模拟数字转换部的动态范围内。
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38.发明申请公开(公告)号：US20080083876A1
公开(公告)日：2008-04-10
申请号：US11846054
申请日：2007-08-28
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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公开(公告)号：US20080054182A1
公开(公告)日：2008-03-06
申请号：US11765124
申请日：2007-06-19
CPC分类号： G03B42/04 , A61B6/00 , A61B6/4233 , A61B6/4488 , A61B6/4494 , A61B6/5235 , H04N5/32
摘要： An electronic cassette type of radiation detection apparatus having a sensor array including a plurality of sensors for detecting incident radiation has a connecting portion to which detachable additional function modules are connected. A selection unit is provided for changing a radiographing mode from a still image radiographing mode and a moving image radiographing mode into a selectable state in response to a connection of at least one of the additional function modules changes.
摘要翻译： 具有包括用于检测入射辐射的多个传感器的传感器阵列的电子盒式放射线检测装置具有可拆卸附加功能模块连接到的连接部分。 提供选择单元，用于响应于至少一个附加功能模块改变的连接，将放射照相模式从静止图像摄影模式和运动图像摄影模式改变为可选择状态。
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公开(公告)号：US20080029688A1
公开(公告)日：2008-02-07
申请号：US11765107
申请日：2007-06-19
IPC分类号： H01L27/00
CPC分类号： H04N5/376 , A61B6/503 , H04N5/32 , H04N5/343 , H04N5/3454 , H04N5/3456 , H04N5/347 , H04N5/374
摘要： There is provided an image apparatus capable of improving a frame rate to prevent resolution in the predetermined area from decreasing and forming image signals outside the predetermined area. In the image apparatus including an area sensor in which a plurality of pixels is arranged in a matrix, a drive circuit unit, a read out circuit unit and a processing unit processing signals transferred from the read out circuit unit, if N is an integer of one or more and M is an integer of two or more and always greater than N, the drive circuit unit and the read out circuit unit perform a first operation in which signals are simultaneously read out from N pixels in a first area of the area sensor and a second operation in which signals are simultaneously read out from M pixels in a second area except the first area of the area sensor, the first and the second read out operation are continuously performed in one frame period, and a first signal obtained by the first read out operation and a second signal obtained by the second read out operation are continuously transferred from the read out circuit unit to the processing unit.
摘要翻译： 提供了能够提高帧速率以防止预定区域中的分辨率降低并形成预定区域外的图像信号的图像装置。 在包括以矩阵形式布置多个像素的区域传感器的图像设备中，驱动电路单元，读出电路单元和处理单元处理从读出电路单元传送的信号，如果N是 一个或多个，并且M是两个或更多个并且总是大于N的整数，驱动电路单元和读出电路单元执行第一操作，其中信号同时从区域传感器的第一区域中的N个像素读出 以及第二操作，其中除了区域传感器的第一区域之外的第二区域中的M个像素同时读出信号，在一个帧周期中连续执行第一和第二读出操作，并且通过 第一读出操作和通过第二读出操作获得的第二信号从读出电路单元连续地传送到处理单元。
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