公开(公告)号：US07105830B2

公开(公告)日：2006-09-12

申请号：US10795352

申请日：2004-03-09

申请人： Kazumi Nagano ,  Tomoyuki Tamura ,  Satoshi Okada ,  Katsuro Takenaka

发明人： Kazumi Nagano ,  Tomoyuki Tamura ,  Satoshi Okada ,  Katsuro Takenaka

IPC分类号： G01T1/20

CPC分类号： H01L27/14618 ,  G01T1/2018 ,  G01T1/244 ,  H01L27/14663 ,  H01L2924/0002 ,  H01L2924/00

摘要： In a radiation detecting device having a sensor panel in which a plurality of photoelectric conversion elements are formed on one surface of a support substrate, a moisture-proof protective layer is laminated on a surface of the sensor panel on which the photoelectric conversion elements are formed, and a warp correction layer is laminated on the other surface of the sensor panel, and the moisture-proof protective layer and the warp correction layer are formed of a resin film having a drawing or extrusion direction, respectively, and bonded together so as to make the drawing or extrusion directions of both the resin films similar to each other. With the formation of the radiation detecting device, the warp of the radiation detection panel induced by a thermal displacement is prevented.

摘要翻译： 在具有传感器面板的放射线检测装置中，在支撑基板的一个表面上形成有多个光电转换元件，在形成有光电转换元件的传感器面板的表面上层叠防潮保护层 并且在传感器面板的另一个表面上叠层翘曲校正层，并且分别由具有拉伸或挤出方向的树脂膜形成防湿保护层和翘曲校正层，并粘合在一起，以便 使两个树脂膜的拉伸或挤出方向彼此相似。 随着辐射检测装置的形成，防止由热位移引起的辐射检测面板的翘曲。

公开(公告)号：US20060104417A1

公开(公告)日：2006-05-18

申请号：US11319910

申请日：2005-12-27

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

CPC分类号： H04N5/378 ,  A61B6/00 ,  A61B6/5235 ,  A61B6/585 ,  H04N5/32 ,  H04N5/3651

摘要： A correction process is performed using different gain correction signals (GSA, GSB) in accordance with radiographic modes (moving image radiographic mode/still image radiographic mode) set in an X-ray imaging apparatus, respectively. This makes it possible to acquire an image with decreased correction errors even when the X-ray imaging apparatus is configured using an imaging unit having different gain characteristics in the still image radiographic mode and moving image radiographic mode.

公开(公告)号：US06974955B2

公开(公告)日：2005-12-13

申请号：US11008950

申请日：2004-12-13

申请人： Satoshi Okada ,  Yoshihiro Ogawa ,  Katsuro Takenaka

发明人： Satoshi Okada ,  Yoshihiro Ogawa ,  Katsuro Takenaka

IPC分类号： G01T1/20 ,  A61B6/00 ,  C09K11/00 ,  C09K11/08 ,  C09K11/61 ,  G01T1/202 ,  G01T1/24 ,  H01L27/14 ,  H01L31/09 ,  H04N5/321

CPC分类号： G01T1/202 ,  G01T1/2018

摘要： In a radiation detection device in which light that is generated at a phosphor layer based on absorbed radiation, the phosphor layer being constituted by connecting side faces of columnar phosphors to each other, is converted into an electric charge at a photoelectric conversion element portion and radiation is detected based on the electric charge, the phosphors have larger column diameters in peripheral regions of the phosphor layer than in a central region thereof. Further, the phosphor layer has a film thickness that is smaller in its peripheral regions than in a central region thereof, thereby preventing breakage of the phosphors.

摘要翻译： 在基于吸收的辐射在荧光体层产生的光的放射线检测装置中，通过将柱状荧光体的侧面彼此连接而构成的荧光体层在光电转换元件部分被转换为电荷，并且辐射 基于电荷检测，荧光体在荧光体层的周边区域中的柱直径比在其中心区域具有更大的柱直径。 此外，荧光体层的周边区域的膜厚比在其中央区域小，从而防止荧光体的破裂。

公开(公告)号：US20050199834A1

公开(公告)日：2005-09-15

申请号：US11079504

申请日：2005-03-11

申请人： Katsuro Takenaka ,  Tadao Endo ,  Tomoyuki Yagi ,  Toshio Kameshima

发明人： Katsuro Takenaka ,  Tadao Endo ,  Tomoyuki Yagi ,  Toshio Kameshima

IPC分类号： G01T1/00 ,  G01T1/20 ,  G01T1/24 ,  G21K4/00 ,  H01L25/00 ,  H01L27/14 ,  H01L27/146 ,  H01L31/09 ,  H04N5/32 ,  H04N5/335 ,  H04N5/341 ,  H04N5/353 ,  H04N5/357 ,  H04N5/369 ,  H04N5/374

CPC分类号： H04N5/32 ,  H01L27/14607 ,  H01L27/14663 ,  H04N5/341 ,  H04N5/353

摘要： If image data is input to an image processor (step S1), the image processor generates an integrated image sum (step S2). The image processor extracts a maximum output max from the integrated image sum (step S3). The image processor compares the maximum output max with a preset threshold (step S4). In this case, the threshold is set to 80% of the saturation amount. When the saturation amount is 3 V, the threshold is 2.4 V. If the maximum value max is smaller than the threshold, imaging continues. If the maximum value max is equal to or larger than the threshold, the integrated image sum is cleared to 0 (step S5), and refresh operation is performed.

摘要翻译： 如果图像数据被输入到图像处理器（步骤S1），则图像处理器生成积分图像和（步骤S2）。 图像处理器从积分图像和提取最大输出最大值（步骤S 3）。 图像处理器将最大输出最大值与预设阈值进行比较（步骤S 4）。 在这种情况下，将阈值设定为饱和量的80％。 当饱和量为3 V时，阈值为2.4 V.如果最大值max小于阈值，则成像继续。 如果最大值max等于或大于阈值，则将积分图像和清除为0（步骤S 5），并执行刷新操作。

公开(公告)号：US06847041B2

公开(公告)日：2005-01-25

申请号：US10066618

申请日：2002-02-06

申请人： Satoshi Okada ,  Yoshihiro Ogawa ,  Katsuro Takenaka

发明人： Satoshi Okada ,  Yoshihiro Ogawa ,  Katsuro Takenaka

IPC分类号： G01T1/24

CPC分类号： G01T1/2018

摘要： A scintillator panel having a wavelength conversion member has some problems: lowered durability to be caused by an area not covered with a protective layer around a projection formed on the wavelength conversion member surface; lowered resolution response and CTF caused by an irregularity of the film thicknesses of wavelength conversion members and a variation in gaps between wavelength conversion members and sensor panels; and breakage of the sensor panel by projections when a radiation detector is formed by bonding the scintillator panel and sensor panel. At least one of these problems can be solved by a scintillator panel having projections on the wavelength conversion member surface whose sizes are reduced, and by a radiation detector having such a scintillator panel and a sensor panel bonded together.

摘要翻译： 具有波长转换构件的闪烁面板具有以下问题：由在波长转换构件表面上形成的突起周围没有被保护层覆盖的区域引起的耐久性降低; 由波长转换构件的膜厚度的不规则性引起的分辨率反应和CTF降低以及波长转换构件和传感器面板之间的间隙的变化; 并且当通过结合闪烁体面板和传感器面板形成辐射检测器时，通过投影来破坏传感器面板。 这些问题中的至少一个可以通过具有在尺寸减小的波长转换构件表面上的突起的闪烁体面板以及通过具有这样的闪烁体面板和传感器面板结合在一起的放射线检测器来解决。

公开(公告)号：US08928779B2

公开(公告)日：2015-01-06

申请号：US12824082

申请日：2010-06-25

申请人： Katsuro Takenaka ,  Daisuke Yoshida ,  Toshio Kameshima ,  Tomoyuki Yagi ,  Keigo Yokoyama ,  Sho Sato

发明人： Katsuro Takenaka ,  Daisuke Yoshida ,  Toshio Kameshima ,  Tomoyuki Yagi ,  Keigo Yokoyama ,  Sho Sato

IPC分类号： H04N5/217 ,  H04N5/335 ,  H04N5/378

CPC分类号： H04N5/335 ,  H04N5/378

摘要： An image pickup apparatus includes a detection unit in which a matrix of pixels converts radiation or light into analog electrical signals, a reading circuit configured to perform signal processing operation by reading the analog electric signals on a row-by-row basis, an A/D converter configured to convert a pixel signal output from the reading circuit into pixel data, and a correction processing unit configured to correct the pixel data. A control unit performs control processing so that the reading circuit outputs reset signals to the A/D converter in a period in which the signal processing operation of a predetermined row is performed, the A/D converter converts the reset signals into pieces of reset data in the period, and the correction processing unit averages the pieces of reset data output from the A/D converter and performs subtraction with the averaged reset data and the pixel data output from the A/D converter.

摘要翻译： 一种图像拾取装置，包括：检测单元，其中像素矩阵将辐射或光转换为模拟电信号;读取电路，被配置为通过逐行读取模拟电信号来执行信号处理操作; A / D转换器，被配置为将从读取电路输出的像素信号转换为像素数据;以及校正处理单元，被配置为校正像素数据。 控制单元执行控制处理，使得读取电路在执行预定行的信号处理操作的时段中将复位信号输出到A / D转换器，A / D转换器将复位信号转换成多个复位数据 并且校正处理单元对从A / D转换器输出的复位数据进行平均，并且利用平均的复位数据和从A / D转换器输出的像素数据进行减法。

公开(公告)号：US08907294B2

公开(公告)日：2014-12-09

申请号：US13502509

申请日：2010-06-10

申请人： Toshio Kameshima ,  Tadao Endo ,  Tomoyuki Yagi ,  Katsuro Takenaka ,  Keigo Yokoyama ,  Sho Sato

发明人： Toshio Kameshima ,  Tadao Endo ,  Tomoyuki Yagi ,  Katsuro Takenaka ,  Keigo Yokoyama ,  Sho Sato

IPC分类号： G01J1/42 ,  A61B6/00 ,  H04N5/378 ,  H04N5/374 ,  H04N5/3745 ,  H04N5/32 ,  G01T7/00

CPC分类号： G01T7/005 ,  A61B6/4233 ,  A61B6/4441 ,  A61B6/585 ,  H04N5/32 ,  H04N5/3742 ,  H04N5/37455 ,  H04N5/378

摘要： An image pickup apparatus includes a detector having pixels divided into first and second pixel groups, a signal processor including a reading circuit unit including first and second reading circuits, an A/D conversion unit including first and second A/D converters, a digital data processing circuit, and a controller. The controller instructs the signal processor to perform a signal processing operation several times of adding direct current potentials to analog electric signals of pixels from the reading circuit unit, supplying the signals to the A/D conversion unit, and outputting digital data to the digital data processing circuit while the direct current potentials are changed, and an average processing operation of averaging the digital data for the pixels using the digital data processing circuit.

摘要翻译： 图像拾取装置包括具有分成第一和第二像素组的像素的检测器，包括具有第一和第二读取电路的读取电路单元的信号处理器，包括第一和第二A / D转换器的A / D转换单元，数字数据 处理电路和控制器。 控制器指示信号处理器对来自读取电路单元的像素的模拟电信号添加直流电势数次的信号处理操作，将信号提供给A / D转换单元，并将数字数据输出到数字数据 处理电路，而直流电位改变，以及使用数字数据处理电路对像素的数字数据进行平均的平均处理操作。

公开(公告)号：US08563915B2

公开(公告)日：2013-10-22

申请号：US12908171

申请日：2010-10-20

申请人： Katsuro Takenaka ,  Tadao Endo ,  Toshio Kameshima ,  Tomoyuki Yagi ,  Keigo Yokoyama ,  Sho Sato

发明人： Katsuro Takenaka ,  Tadao Endo ,  Toshio Kameshima ,  Tomoyuki Yagi ,  Keigo Yokoyama ,  Sho Sato

IPC分类号： H01L27/14 ,  H04N5/335 ,  G01T1/20 ,  G01T1/24 ,  G01J1/44

CPC分类号： H04N5/378 ,  H04N5/32 ,  H04N5/3658

摘要： An imaging apparatus includes a conversion unit including a plurality of pixels arranged in a matrix, each pixel including a conversion element, an output switch element, and an initialization switch element; an output drive circuit controls an output operation; an initialization drive circuit controls an initialization operation; and a readout circuit performs a signal sample-and-hold operation and a reset operation. A control unit performs termination of the output operation of a certain row and start of the output operation of another row after the termination of the reset operation, the start of the signal sample-and-hold operation after the termination of the output operation of the certain row and the start of the output operation of the other row, the start of the reset operation and the initialization operation after the termination of the signal sample-and-hold operation, and the termination of the reset operation after the termination of the initialization operation.

摘要翻译： 一种成像装置包括：转换单元，包括以矩阵排列的多个像素，每个像素包括转换元件，输出开关元件和初始化开关元件; 输出驱动电路控制输出操作; 初始化驱动电路控制初始化操作; 并且读出电路执行信号采样保持操作和复位操作。 控制单元在复位操作结束之后终止某行的输出操作和另一行的输出操作的开始，在输出操作结束之后开始信号采样和保持操作 某一行和另一行的输出操作的开始，复位操作的开始和在信号采样和保持操作结束之后的初始化操作，以及在初始化结束之后终止复位操作 操作。

公开(公告)号：US08436314B2

公开(公告)日：2013-05-07

申请号：US13393396

申请日：2010-08-31

申请人： Toshio Kameshima ,  Tadao Endo ,  Tomoyuki Yagi ,  Katsuro Takenaka ,  Keigo Yokoyama ,  Sho Sato ,  Toshikazu Tamura

发明人： Toshio Kameshima ,  Tadao Endo ,  Tomoyuki Yagi ,  Katsuro Takenaka ,  Keigo Yokoyama ,  Sho Sato ,  Toshikazu Tamura

IPC分类号： H01L27/146 ,  H04N3/14

CPC分类号： H04N5/341 ,  A61B6/00 ,  A61B6/465 ,  G01T1/17 ,  H04N5/32

摘要： An imaging apparatus includes a control unit and a detector that includes multiple pixels and that performs an image capturing operation to output image data corresponding to radiation or light that is emitted. The image capturing operation includes a first image capturing operation in a first scanning area corresponding to part of the multiple pixels to output image data in the first scanning area and a second image capturing operation in a second scanning area larger than the first scanning area to output image data in the second scanning area. The control unit causes the detector to perform an accumulation operation in the second image capturing operation in a time determined so that an image artifact caused by the scanning area is lower than a predetermined allowable value on the basis of information about the amount of integration of accumulation times in the first image capturing operation.

摘要翻译： 成像装置包括控制单元和包括多个像素的检测器，并执行图像捕获操作以输出对应于所发射的辐射或光的图像数据。 图像拍摄操作包括在与多个像素的一部分相对应的第一扫描区域中的第一图像拍摄操作，以在第一扫描区域中输出图像数据，以及在大于第一扫描区域的第二扫描区域中进行第二图像拍摄操作，以输出 第二扫描区域中的图像数据。 控制单元使得检测器在第二图像拍摄操作中执行累积操作，该时间确定为使得由扫描区域引起的图像伪影基于关于累积量的积分量的信息而低于预定的允许值 次在第一次图像捕获操作。

公开(公告)号：US20120242871A1

公开(公告)日：2012-09-27

申请号：US13423017

申请日：2012-03-16

申请人： Atsushi Iwashita ,  Toshio Kameshima ,  Tomoyuki Yagi ,  Katsuro Takenaka ,  Sho Sato

发明人： Atsushi Iwashita ,  Toshio Kameshima ,  Tomoyuki Yagi ,  Katsuro Takenaka ,  Sho Sato

IPC分类号： H04N5/217 ,  G01T1/16 ,  G01T1/24 ,  H01L27/146

CPC分类号： H04N5/32 ,  H04N5/3597 ,  H04N5/361

摘要： In an image pickup apparatus, a calculation unit calculates an amount of noise and an amount of afterimage that can be included in an electric signal or image data in an image pickup operation, based on output characteristic information indicating a manner in which the amount of noise and the amount of after image change as a function of an elapsed time since a voltage is applied to a detection unit, a temperature of the detection unit detected by a temperature detection unit, the voltage supplied to the conversion elements from a power supply unit, and an image pickup operation start time indicating a time elapsed since the supplying of the voltage to the detection unit is started until the image pickup operation is started to output the electric signal corresponding to an electric charge generated by the conversion element in the detection unit.

摘要翻译： 在图像拾取装置中，计算单元基于表示噪声量的方式的输出特性信息来计算可以包括在摄像操作中的电信号或图像数据中的噪点量和余像量 以及作为从电压施加到检测单元之后的经过时间的函数的后图像变化量，由温度检测单元检测的检测单元的温度，从电源单元提供给转换元件的电压， 并且开始指示从向检测单元提供电压以来经过的时间的图像拾取操作开始时间，直到开始图像拾取操作，以输出与由检测单元中的转换元件产生的电荷相对应的电信号。