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公开(公告)号：US20090140155A1
公开(公告)日：2009-06-04
申请号：US12271958
申请日：2008-11-17
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 a 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 a 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 of 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，在该像素区域中，具有转换元件（202）的多个像素，用于将辐射转换成 用于基于电荷输出电信号的电荷和开关元件（201）以矩阵形式布置; 布置在所述像素区域的外侧的电容器元件（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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公开(公告)号：US20070125952A1
公开(公告)日：2007-06-07
申请号：US11563806
申请日：2006-11-28
摘要： An object hereof is to restrain occurrence of artifact in an acquired radiation image with comparatively simple configuration without providing wiring between a radiation source and a radiation imaging apparatus to thereby obtain a radiation image with extremely good quality. Therefore, a controller selectively carries out real read operation of reading an electric signal obtained by activating a drive circuit from a signal processing circuit unit in case of detecting X-ray irradiation with an X-ray detecting circuit and dummy read operation of reading an electric signal obtained by activating a drive circuit from a signal processing circuit unit in case of detecting X-ray non-irradiation with an X-ray detecting circuit; discontinues the dummy read operation at the time of detecting the start of X-ray irradiation with the X-ray detecting unit in dummy read operation; and starts real read operation at the time of detecting the finish of X-ray irradiation with the X-ray detecting unit.
摘要翻译： 本发明的目的是通过比较简单的结构来抑制所获取的放射线图像中的伪像的发生，而不需要在辐射源和放射线摄像装置之间提供布线，从而获得具有极高质量的辐射图像。 因此，控制器选择性地执行读取在用X射线检测电路检测X射线照射的情况下从信号处理电路单元激活驱动电路而获得的电信号的实际读取操作，以及读取电 在用X射线检测电路检测X射线不照射的情况下，从信号处理电路单元激活驱动电路而获得的信号; 在伪读取操作中用X射线检测单元检测X射线照射的开始时，停止虚拟读取操作; 并且在用X射线检测单元检测X射线照射的完成时开始真实的读取操作。
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3.发明申请RADIATION IMAGING APPARATUS, ITS CONTROL METHOD, AND RADIATION IMAGING SYSTEM 有权辐射成像装置，其控制方法和辐射成像系统公开(公告)号：US20090323897A1
公开(公告)日：2009-12-31
申请号：US12490926
申请日：2009-06-24
CPC分类号： A61B6/4233 , A61B6/4441 , H01L27/14665 , H04N5/325
摘要： A radiation imaging apparatus having high frame rate and picture quality by offset correction has: a sensor array having matrix-shaped pixels each including a converting element and a TFT; a driver for supplying signals to control terminals of the TFTs row by row; a reader for holding a signal into a first or second sampling/holding (S/H) circuit and outputting an image signal; and a controller for controlling the driver and reader. Until the image signal is output after the irradiation of pulsating radiation, the TFT of a pixel is driven so as to output a first signal, the TFT of the pixel to which the first signal has been output is driven so as to output a second electric signal, and the reader outputs the image signal of the signal showing a difference between the first and second signals held in the first and second S/H circuits.
摘要翻译： 通过偏移校正具有高帧率和图像质量的放射线成像装置具有：具有矩阵形像素的传感器阵列，每个像素像素包括转换元件和TFT; 用于逐行地向TFT的控制端子提供信号的驱动器; 用于将信号保持在第一或第二采样/保持（S / H）电路中并输出图像信号的读取器; 以及用于控制驾驶员和读取器的控制器。 直到在照射脉动辐射之后输出图像信号时，驱动像素的TFT以输出第一信号，驱动第一信号被输出的像素的TFT，以输出第二电 信号，并且读取器输出表示第一和第二S / H电路中保持的第一和第二信号之间的差的信号的图像信号。
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4.发明申请公开(公告)号：US20090146071A1
公开(公告)日：2009-06-11
申请号：US12366354
申请日：2009-02-05
IPC分类号： G01T1/24
CPC分类号： H04N5/3658 , H01L27/14663 , H04N5/32 , H04N5/378
摘要： An imaging apparatus capable of reducing a line noise artifact in a simple configuration without complicated operations includes: a plurality of pixels arranged in row and column directions and having a photoelectric conversion element and a switch element; a plurality of signal wirings connected to the plurality of switch elements in the column direction; a read-out circuit connected to the plurality of signal wirings; and a power source for supplying a voltage to the photoelectric conversion element. With the configuration, the plurality of pixels are classified into a plurality of groups, and the power sources are independently provided for each of the plurality of groups.
摘要翻译： 能够以简单的结构减少线路噪声伪影而不需要复杂的操作的成像设备包括：排列成行和列方向并具有光电转换元件和开关元件的多个像素; 在列方向上连接到多个开关元件的多个信号布线; 连接到所述多个信号布线的读出电路; 以及用于向光电转换元件提供电压的电源。 利用该配置，将多个像素分成多个组，并且为多个组中的每一个独立地提供电源。
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公开(公告)号：US20070183573A1
公开(公告)日：2007-08-09
申请号：US11696790
申请日：2007-04-05
申请人： TOSHIO KAMESHIMA , Tadao Endo , Tomoyuki Yagi , Katsuro Takenaka
发明人： TOSHIO KAMESHIMA , Tadao Endo , Tomoyuki Yagi , Katsuro Takenaka
IPC分类号： H05G1/64
摘要： An X-ray image radiographing system according to the present invention comprises an X-ray generator 103, a detection unit 102, a correction unit 108 for performing a correction processing for the data outputted from the detection unit 102, and an output unit 115 such as a monitor for outputting data processed by the correction unit 108. Moreover, it comprises a control unit 101 for controlling the detection unit 102, the X-ray generator 103 and the correction unit 108, a radiographing condition memory 107 accessible by the control unit 101, a radiographing button 105 for making a radiographing request to the control unit 101, a radiographing mode setting unit 106 for setting a radiographing mode in the control unit 101, and a photo timer 104 having an AE function. The radiographing mode setting unit 106 may be constituted of a workstation, for example. Thereby, it is possible to provide an image radiographing apparatus and the image radiographing system capable of easily coping with a plurality of radiographing modes.
摘要翻译： 根据本发明的X射线图像摄影系统包括：X射线发生器103，检测单元102，用于对从检测单元102输出的数据进行校正处理的校正单元108以及诸如 作为用于输出由校正单元108处理的数据的监视器。 此外，它包括用于控制检测单元102，X射线发生器103和校正单元108的控制单元101，由控制单元101可访问的放射照相条件存储器107，用于向 控制单元101，用于设置控制单元101中的放射照相模式的放射照相模式设置单元106以及具有AE功能的光计时器104。 射线照相模式设定单元106可以由例如工作站构成。 由此，能够提供能够容易地应对多个摄影模式的图像摄影装置和图像摄影系统。
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公开(公告)号：US20110147598A1
公开(公告)日：2011-06-23
申请号：US13035589
申请日：2011-02-25
申请人： ISAO KOBAYASHI , NORIYUKI KAIFU , SHINICHI TAKEDA , KAZUAKI TASHIRO , TADAO ENDO , TOSHIO KAMESHIMA
发明人： ISAO KOBAYASHI , NORIYUKI KAIFU , SHINICHI TAKEDA , KAZUAKI TASHIRO , TADAO ENDO , TOSHIO KAMESHIMA
IPC分类号： G01T1/24 , H01L27/146
CPC分类号： H04N5/3415 , H01L27/1446 , H01L27/14603 , H01L27/14609 , H01L27/1462 , H01L27/14643 , H01L27/14658 , H01L27/14659 , H01L27/14663 , H01L27/14676 , H04N5/32
摘要： Disclosed is a photoelectric converter.According to the present invention, a photoelectric converter comprises a plurality of substrates, which are located adjacent to each other and on which a plurality of photoelectric conversion devices are two-dimensionally arranged, either scan circuits or detection circuits, at least, that are arranged on two opposing sides of the photoelectric converter, whereby scanning directions either from the scan circuits or from the detection circuits, which are arranged on the two opposing sides, are capable of being set so as to be performed in like directions.
摘要翻译： 公开了一种光电转换器。 根据本发明，光电转换器包括至少布置在扫描电路或检测电路中的彼此相邻且多维光电转换装置二维排列的多个基板， 在光电转换器的两个相对侧上，由扫描电路或布置在两个相对侧上的检测电路的扫描方向能够被设置成在相同的方向上执行。
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公开(公告)号：US20110221935A1
公开(公告)日：2011-09-15
申请号：US12605154
申请日：2009-10-23
申请人： TOSHIO KAMESHIMA
发明人： TOSHIO KAMESHIMA
CPC分类号： H04N5/3577 , G01T1/2018 , G01T1/24 , H01L27/14609 , H01L27/14676 , H04N5/32 , H04N5/3658 , H04N5/374 , H04N5/3765 , H04N5/378
摘要： An image pick-up apparatus comprising an area sensor in which detecting elements are two-dimensionally arranged on a substrate, and a reference supply circuit, for supplying a reference voltage to the detecting elements, which comprises a regulator for regulating the reference voltage. A low-pass filter is arranged between the regulator and the detecting elements. The reference voltage is supplied through the low-pass filter from the reference supply circuit.
摘要翻译： 一种图像拾取装置，包括其中检测元件被二维布置在基板上的区域传感器和用于向检测元件提供参考电压的参考电源电路，该参考电压包括用于调节参考电压的调节器。 在调节器和检测元件之间设置低通滤波器。 参考电压通过低通滤波器从参考电源电路提供。
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