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1. 发明申请

US20170068017A1 SAFETY INSPECTION APPARATUS 审中-公开
标题翻译：安全检查装置
公开(公告)号：US20170068017A1
公开(公告)日：2017-03-09
申请号：US15230316
申请日：2016-08-05
申请人： NUCTECH COMPANY LIMITED , NUCTECH JIANGSU COMPANY LIMITED
发明人： Ziran ZHAO , Zhiqiang Chen , Wanlong Wu , Li Zhang , Yingkang Jin , Ming Ruan
IPC分类号： G01V5/00
CPC分类号： G01V5/0016
摘要： A safety inspection apparatus is disclosed in embodiments of the present invention. The safety inspection apparatus includes: an x-ray source including a ray emission focal spot; and a plurality of detector modules each of which has a ray receiving surface, and which are arranged along a plurality of straight line segments. The plurality of straight line segments include a first straight line segment and two second straight line segments, and, the two second straight line segments extend from the two ends of the first straight line segment towards the x-ray source side, respectively. In a plane where the sectorial ray beam is located, a normal to the ray receiving surface of each of the detector modules at a midpoint of the ray receiving surface of the each of the detector modules passes generally through the ray emission focal spot of the x-ray source.
摘要翻译：在本发明的实施例中公开了一种安全检查装置。安全检查装置包括：x射线源，包括射线发射焦点; 以及多个检测器模块，每个检测器模块具有一个光线接收表面，并沿着多条直线段布置。多个直线段包括第一直线段和两个第二直线段，并且两个第二直线段分别从第一直线段的两端朝向x射线源侧延伸。在扇形射线束所在的平面中，每个检测器模块的射线接收表面的中点处的每个检测器模块的射线接收表面的法线通常通过x的射线发射焦斑来源。

2. 发明授权

US10371854B2 Safety inspection apparatus 有权
公开(公告)号：US10371854B2
公开(公告)日：2019-08-06
申请号：US15230316
申请日：2016-08-05
申请人： NUCTECH COMPANY LIMITED , NUCTECH JIANGSU COMPANY LIMITED
发明人： Ziran Zhao , Zhiqiang Chen , Wanlong Wu , Li Zhang , Yingkang Jin , Ming Ruan
IPC分类号： G01V5/00
摘要： A safety inspection apparatus is disclosed in embodiments of the present invention. The safety inspection apparatus includes: an x-ray source including a ray emission focal spot; and a plurality of detector modules each of which has a ray receiving surface, and which are arranged along a plurality of straight line segments. The plurality of straight line segments include a first straight line segment and two second straight line segments, and, the two second straight line segments extend from the two ends of the first straight line segment towards the x-ray source side, respectively. In a plane where the sectorial ray beam is located, a normal to the ray receiving surface of each of the detector modules at a midpoint of the ray receiving surface of the each of the detector modules passes generally through the ray emission focal spot of the x-ray source.

3. 发明授权

US10983243B2 Human body security inspection apparatus and method of operating the same and filter device 有权
公开(公告)号：US10983243B2
公开(公告)日：2021-04-20
申请号：US16491891
申请日：2017-12-20
申请人： Tsinghua University , NUCTECH COMPANY LIMITED
发明人： Zhiqiang Chen , Yuanjing Li , Ziran Zhao , Wanlong Wu , Ming Ruan , Yingkang Jin , Guangwei Ding , Zongjun Shen , Jiajiang Zhao
IPC分类号： G01V5/00 , G21K1/10 , G01N23/203
摘要： A human body security inspection apparatus, a method of operating the same, and an associated filter device are disclosed. The human body security inspection apparatus includes a radiation beam exit configured for emitting a radiation beam; a beam guiding box configured for guiding the radiation beam; and a filter device configured between the radiation beam exit and the beam guiding box. The filter device includes a housing and a filter cage having a central axis. The filter cage is formed by arranging two or more pairs of filtering sheets, which are made of different materials and/or have different thicknesses, in an encircling way. The filter cage is rotatable about its central axis such that at least one pair of filtering sheets is capable of filtering the radiation beam to adjust an outputted dosage of the radiation beam of the human body security inspection apparatus.

4. 发明授权

US09846258B2 X-ray backscattering safety inspection system having a distributed-type X-ray source and method using the same 有权
公开(公告)号：US09846258B2
公开(公告)日：2017-12-19
申请号：US14792066
申请日：2015-07-06
申请人： NUCTECH COMPANY LIMITED
发明人： Zhiqiang Chen , Yuanjing Li , Ziran Zhao , Wanlong Wu , Yingkang Jin , Le Tang , Chengcong Xu , Ming Ruan , Guangwei Ding
IPC分类号： G01N23/201 , G01V5/00 , G01N23/203
CPC分类号： G01V5/0025 , G01N23/203 , G01V5/0066
摘要： The present disclosure provides an X-ray backscattering safety inspection system, comprising: one or more backscattering inspection subsystem configured to inspect an object to be inspected by emitting X-ray beams towards the object to be inspected and inspecting scattering signals; and a control subsystem configured to adjust a distance between the backscattering inspection subsystem and locations on a side of the object to be inspected where are irradiated by the X-ray beams in real time according to a size of the object to be inspected such that the scattering signals inspected are optimized. The system may be adapted to objects to be inspected with different sizes or shapes while enhancing backscattering signals for imaging.

5. 发明授权

US09651507B2 Human body back scattering inspection method and system 有权
公开(公告)号：US09651507B2
公开(公告)日：2017-05-16
申请号：US14572528
申请日：2014-12-16
申请人： Tsinghua University , Nuctech Company Limited
发明人： Zhiqiang Chen , Ziran Zhao , Yuanjing Li , Wanlong Wu , Ming Ruan , Li Zhang , Yingkang Jin , Le Tang , Xianli Ding , Chenguang Zhu
IPC分类号： G01N23/203 , G01T1/167 , G01V5/00
CPC分类号： G01N23/203 , G01T1/167 , G01V5/0025 , G01V5/0091
摘要： A human body back-scattering inspection method and system are discloses. The method includes: obtaining a back-scattering scan image of a human body under inspection; distinguishing a body image from a background image in the back-scattering scan image; and calculating a feature parameter of the background image to determine whether radioactive substance is carried with the human body. With some embodiments of the present disclosure, it is possible to determine whether any radioactive substance is carried with a human body during back-scattering inspection of the human body. In further embodiments of the present disclosure, it is possible to approximately determine which part(s) of the human body carries the radioactive substance. This improves efficiency of inspection.

6. 发明授权

US09366642B2 Back scattering inspection systems for human body 有权
标题翻译：背散射检测系统为人体
公开(公告)号：US09366642B2
公开(公告)日：2016-06-14
申请号：US14135840
申请日：2013-12-20
申请人： Nuctech Company Limited , Tsinghua University
发明人： Ziran Zhao , Zhiqiang Chen , Yuanjing Li , Wanlong Wu , Ming Ruan , Yinong Liu , Yingkang Jin , Le Tang , Yanjie Wen , Xiuwei Chen , Fuhua Ding , Bin Sang , Zongjun Shen
IPC分类号： G01N23/203 , G01T1/167 , G01V5/00 , A61B6/00
CPC分类号： G01N23/203 , A61B6/4021 , A61B6/4266 , A61B6/483 , G01T1/167 , G01V5/0025
摘要： A human body back-scattering inspection system is disclosed. The system comprises a flying-spot forming unit configured to output beams of X-rays, a plurality of discrete detectors which are arranged vertically along a human body to be inspected, and a controlling unit coupled to the flying-spot forming unit and the plurality of detectors, and configured to generate a control signal to control the flying-spot forming unit and the plurality of detectors to perform a partition synchronous scan on the human body to be inspected vertically. The present disclosure utilizes the geometry property of the human body back-scattering inspection system, and proposes a multiple-point synchronous scan mechanism which largely accelerates the inspection of human body.
摘要翻译：公开了一种人体背散射检查系统。该系统包括：飞点形成单元，被配置为输出X射线束;沿着待检查的人体垂直排列的多个离散检测器;以及耦合到飞点形成单元和多个的检测器，并且被配置为产生控制信号以控制飞点形成单元和多个检测器，以对垂直检查的人体进行分区同步扫描。本发明利用人体背散射检查系统的几何特性，并提出了一种大大加速人体检查的多点同步扫描机构。

7. 发明申请

US20160003967A1 X-RAY BACKSCATTERING SAFETY INSPECTION SYSTEM HAVING A DISTRIBUTED-TYPE X-RAY SOURCE AND METHOD USING THE SAME 有权
标题翻译：具有分布式X射线源的X射线背景安全检查系统及其使用方法
公开(公告)号：US20160003967A1
公开(公告)日：2016-01-07
申请号：US14792066
申请日：2015-07-06
申请人： NUCTECH COMPANY LIMITED
发明人： Zhiqiang Chen , Yuanjing Li , Ziran Zhao , Wanlong Wu , Yingkang Jin , Le Tang , Chengcong Xu , Ming Ruan , Guangwei Ding
IPC分类号： G01V5/00 , G01N23/203
CPC分类号： G01V5/0025 , G01N23/203 , G01V5/0066
摘要： The present disclosure provides an X-ray backscattering safety Inspection system, comprising: one or more backscattering inspection subsystem configured to inspect an object to be inspected by emitting X-ray beams towards the object to be inspected and inspecting scattering signals; and a control subsystem configured to adjust a distance between the backscattering inspection subsystem and locations on a side of the object to be inspected where are irradiated by the X-ray beams in real time according to a size of the object to be inspected such that the scattering signals inspected are optimized. The system may be adapted to objects to be inspected with different sizes or shapes while enhancing backscattering signals for imaging.
摘要翻译：本公开提供一种X射线后向散射安全检查系统，包括：一个或多个后向散射检查子系统，被配置为通过向被检查物体发射X射线束并检查散射信号来检查被检查物体; 以及控制子系统，被配置为根据被检查对象的大小实时地调整后向散射检查子系统与待检查对象侧的位置之间的距离，其中被X射线束照射的位置实时地被调整，检查的散射信号被优化。该系统可以适应于具有不同尺寸或形状的待检查对象，同时增强用于成像的后向散射信号。

8. 发明申请

US20140341431A1 PASSABLE SECURITY INSPECTION SYSTEM FOR PERSON 审中-公开
标题翻译：可靠的人身安全检查系统
公开(公告)号：US20140341431A1
公开(公告)日：2014-11-20
申请号：US14365090
申请日：2012-11-27
申请人： NUCTECH COMPANY LIMITED , TSINGHUA UNIVERSITY
发明人： Zhiqiang Chen , Ziran Zhao , Wanlong Wu , Zhimin Zheng , Zongjun Shen , Xilei Luo , Shuo Cao , Yingkang Jin , Bin Sang
IPC分类号： G01V8/00 , G06K9/62 , G06K9/20
CPC分类号： G01V8/005 , G06K9/209 , G06K9/6201
摘要： The present invention discloses a through-type of millimetre wave person body security inspection system, wherein a person to be inspected passes through an inspect passage therein for performing a security inspection. The through-type of millimetre wave person body security inspection system provided in accordance with the present invention can make a total body dynamic scanning to the person to be inspected, and obtain millimetre wave images and optical images with respect to the person body, thereby achieving the inspection of prohibited articles hidden within clothing of the person body and an automatic alarm thereof.
摘要翻译：本发明公开了一种毫米波人身安全检查系统，其中被检人通过其中的检查通道进行安全检查。根据本发明提供的毫米波人身安全检查系统的直通型可以对被检查人员进行全身动态扫描，并获得相对于人体的毫米波图像和光学图像，从而实现检查隐藏在人身衣服内的被禁止物品及其自动报警。

9. 发明申请

US20160187529A1 Human Body Security Inspection Apparatus 审中-公开
标题翻译：人体安全检查仪器
公开(公告)号：US20160187529A1
公开(公告)日：2016-06-30
申请号：US14958245
申请日：2015-12-03
申请人： Nuctech Company Limited , Tsinghua University
发明人： Zhiqiang Chen , Ziran Zhao , Wanlong Wu , Lin Yang , Yingkang Jin , Ming Ruan , Chengcong Xu
IPC分类号： G01V8/00 , G01S13/88 , G01S13/89 , G01V3/12
CPC分类号： G01S13/887 , G01S13/89 , G01V3/12 , G01V8/005
摘要： The present disclosure provides a human body security inspection apparatus, comprising: a base on which an inspected human stands; a millimeter-wave transceiver configured to perform a millimeter-wave scanning operation on the body of the inspected human standing on the base so as to detect whether or not the inspected human carries contraband and output a first signal; and a metal sensing detector arranged within the base and configured to detect whether or not there is a metallic foreign object in underside of a shoe of the inspected human and output a second signal.
摘要翻译：本公开提供一种人体安全检查装置，包括：被检查人员所在的基座; 毫米波收发器被配置为对所检查的人体在基座上的身体执行毫米波扫描操作，以便检测被检查的人是否携带违禁品并输出第一信号; 以及金属感测检测器，其布置在所述基座内并且被配置为检测所检查的人的鞋的下侧中是否存在金属异物并输出第二信号。

10. 发明授权

US09031192B2 Ray emission device and imaging system having the same 有权
标题翻译：射线发射装置和成像系统具有相同的特性
公开(公告)号：US09031192B2
公开(公告)日：2015-05-12
申请号：US14060270
申请日：2013-10-22
申请人： Nuctech Company Limited , Tsinghua University
发明人： Ziran Zhao , Wanlong Wu , Yingkang Jin , Le Tang , Guangwei Ding , Chenguang Zhu
IPC分类号： H05G1/70 , G21K1/04 , G01N23/20
CPC分类号： G21K1/04 , G01N23/20 , G21K1/043
摘要： A ray emission device and an imaging system with the ray emission device are disclosed. The ray emission device comprises: a cylinder; a ray source disposed in the cylinder for emitting a ray; and a collimator disposed in the cylinder. The collimator enables the ray emitted by the ray source to form sectorial ray beams at a plurality of positions in an axial direction of the cylinder. The cylinder has a pencil beam forming part arranged over an axial length of the cylinder corresponding to the plurality of positions. The sectorial ray beams form pencil beams through the pencil beam forming part when the cylinder rotates around a rotation axis.
摘要翻译：公开了一种具有射线发射装置的射线发射装置和成像系统。射线发射装置包括：圆筒; 设置在所述气缸中用于发射射线的射线源; 以及设置在气缸中的准直器。准直器使得由射线源发射的射线能够在圆柱体的轴向上的多个位置处形成扇形射线束。圆柱体具有布置在与多个位置对应的圆柱体的轴向长度上的笔形波束形成部分。当圆筒围绕旋转轴旋转时，扇形射线束通过笔形波束形成部分形成笔形束。

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