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    • 1. 发明申请
    • RADIATION DETECTOR, IMAGING DEVICE AND ELECTRODE STRUCTURE THEREOF, AND METHOD FOR ACQUIRING AN IMAGE
    • 辐射检测器,成像装置及其电极结构及其获取图像的方法
    • US20120068078A1
    • 2012-03-22
    • US13170821
    • 2011-06-28
    • Lan ZhangZhiqiang ChenZiran ZhaoWanlong WuYuanjing LiZhi DengXiaocui Zheng
    • Lan ZhangZhiqiang ChenZiran ZhaoWanlong WuYuanjing LiZhi DengXiaocui Zheng
    • H01L31/10H01L23/48G01T1/24H01L27/146
    • G01T1/247G01T1/241H01L27/14609H01L27/14632H01L27/14659H01L27/14676
    • The present invention discloses a radiation detector, an imaging device and an electrode structure thereof, and a method for acquiring an image. The radiation detector comprises: a radiation sensitive film, a top electrode on the radiation sensitive film, and an array of pixel units electrically coupled to the radiation sensitive film, wherein each pixel unit comprises: a pixel electrode, which is configured to collect a charge signal in a pixel area of the radiation sensitive film; a storage capacitor, which is connected to the pixel electrode, and is configured to store the charge signal collected by the pixel electrode; a reset transistor, which is connected to the pixel electrode, and is configured to clear the charge in the storage capacitor; a buffer transistor, which is connected to the pixel electrode, and is configured to convert the charge signal on the pixel electrode into a voltage signal and transfer the voltage signal to a signal line; a column strobe transistor, which is configured to select a predetermined column of pixel electrodes; and a row strobe transistor, which is configured to select a predetermined row of pixel electrodes, wherein, the column strobe transistor and the row strobe transistor are connected in series between the buffer transistor and the signal line, and transfer the voltage signal of the corresponding pixel unit in response to a column strobe signal and a row strobe signal. The radiation detector may be used for, for example, X-ray digital imaging.
    • 本发明公开了一种放射线检测器,成像器件及其电极结构以及用于获取图像的方法。 辐射检测器包括:辐射敏感膜,辐射敏感膜上的顶部电极和电耦合到辐射敏感膜的像素单元阵列,其中每个像素单元包括:像素电极,其被配置为收集电荷 信号在辐射敏感膜的像素区域中; 存储电容器,其连接到像素电极,并且被配置为存储由像素电极收集的电荷信号; 复位晶体管,其连接到所述像素电极,并且被配置为清除所述存储电容器中的电荷; 缓冲晶体管,其连接到像素电极,并且被配置为将像素电极上的电荷信号转换为电压信号,并将电压信号传送到信号线; 列选通晶体管,其被配置为选择预定列的像素电极; 以及行选通晶体管,其被配置为选择预定行的像素电极,其中,所述列选通晶体管和所述行选通晶体管串联连接在所述缓冲晶体管和所述信号线之间,并且传送相应的所述像素电极的电压信号 像素单元响应列选通信号和行选通信号。 辐射检测器可以用于例如X射线数字成像。
    • 8. 发明申请
    • Lifting apparatus and safety inspection system
    • 起重设备和安全检查系统
    • US20070062253A1
    • 2007-03-22
    • US11525697
    • 2006-09-22
    • Xilei LuoKejun KangYinong LiuYuanjing LiZhiqiang ChenWanlong WuYulan LiLi ZhangZiran ZhaoBin SangHailin Wang
    • Xilei LuoKejun KangYinong LiuYuanjing LiZhiqiang ChenWanlong WuYulan LiLi ZhangZiran ZhaoBin SangHailin Wang
    • G01N33/497
    • G01N23/046G01N2223/419
    • The present invention discloses a lifting apparatus, comprising: a vertical guide device; a turntable device which is movable along the vertical guide device upwards or downwards; and a first driving device which drives the turntable device moving in an upward and downward direction guided by the vertical guide device. Wherein said turntable device comprises: a bracket which is slidably engaged with the vertical guide device and projects perpendicularly toward a side of the vertical guide device; a turntable which is rotatably provided on the bracket; and a second driving device which rotates the turntable on the bracket. The present invention further discloses a safety inspection system comprising the lifting apparatus. Compared with prior art, the present invention combines a rotating mechanism and a lifting mechanism as a single apparatus, thus, realizing the self rotation and elevation of the objects to be detected. Thus the present invention has the beneficial features, such as high movement precision, high transmission efficiency, low friction resistance and reduced noise etc.
    • 本发明公开了一种提升装置,包括:垂直导向装置; 可沿着垂直引导装置向上或向下移动的转台装置; 以及第一驱动装置,其驱动转盘装置沿垂直引导装置引导的上下方向移动。 其中所述转盘装置包括:支架,其与所述垂直引导装置可滑动地接合并垂直于所述垂直引导装置的一侧突出; 可旋转地设置在支架上的转盘; 以及使支架上的转盘旋转的第二驱动装置。 本发明还公开了一种包括提升装置的安全检查系统。 与现有技术相比,本发明将旋转机构和提升机构组合为单个装置,从而实现被检测物体的自转和升高。 因此,本发明具有移动精度高,传动效率高,摩擦阻力低,噪音小等优点。
    • 10. 发明授权
    • Scanning device and method for back-scatter imaging with a radiation beam
    • 用辐射束进行背散射成像的扫描装置和方法
    • US08983033B2
    • 2015-03-17
    • US13142668
    • 2011-04-28
    • Zhiqiang ChenYuanjing LiZiran ZhaoYinong LiuWanlong WuLi ZhangChao TuLe TangYingkang JinShuo CaoGuangwei Ding
    • Zhiqiang ChenYuanjing LiZiran ZhaoYinong LiuWanlong WuLi ZhangChao TuLe TangYingkang JinShuo CaoGuangwei Ding
    • G01N23/203
    • G01N23/203
    • The present invention discloses a scanning device of back-scatter imaging with a radiation beam, comprising: a radiation source; a fixed shield plate and a rotatable shield body disposed between the radiation source and a object to be scanned respectively, wherein the fixed shield plate is stationary with respect to the radiation source and the rotatable shield body is rotatable with respect to the fixed shield plate. The fixed shield plate is provided with a ray passing-through region thereon, which allows for a radiation beam from the radiation source to pass through the fixed shield plate, a ray incidence region and a ray emergence region are arranged on the rotatable shield body respectively, during the rotatable scanning of the rotatable shield body, the ray passing-through region of the fixed shield plate continuously intersects with the ray incidence region and the ray emergence region of the rotatable shield body to generate collimated holes for scanning. The ray passing-through region of the fixed shield plate is a rectilinear slit, the rotatable shield body is a cylinder, and the ray incidence and emergence regions are configured to be a series of small discrete holes disposed along a spiral line respectively. In addition, the present invention discloses a scanning method for back-scatter imaging with a radiation beam.
    • 本发明公开了一种具有辐射束的背散射成像的扫描装置,包括:辐射源; 固定屏蔽板和设置在辐射源和待扫描物体之间的可旋转屏蔽体,其中固定屏蔽板相对于辐射源是静止的,并且可旋转屏蔽体相对于固定屏蔽板可旋转。 固定屏蔽板在其上设有射线通过区域,其允许来自辐射源的辐射束穿过固定屏蔽板,射线入射区域和射线出射区域分别布置在可旋转屏蔽体上 在可旋转的屏蔽体的可旋转扫描期间,固定屏蔽板的光线通过区域与可旋转屏蔽体的射线入射区域和射线出射区域连续相交,以产生用于扫描的准直孔。 固定屏蔽板的光线通过区域是直线狭缝,可旋转的屏蔽体是圆柱体,射线入射区域和出射区域分别被配置成沿着螺旋线设置的一系列小的分立孔。 此外,本发明公开了一种利用辐射束进行背散射成像的扫描方法。