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1. 发明授权

US09846257B2 Mobile back scattering imaging security inspection apparatus and method 有权
公开(公告)号：US09846257B2
公开(公告)日：2017-12-19
申请号：US14790947
申请日：2015-07-02
申请人： TSINGHUA UNIVERSITY , NUCTECH COMPANY LIMITED
发明人： Zhiqiang Chen , Ziran Zhao , Wanlong Wu , Yingkang Jin , Le Tang , Ming Ruan , Xiao Tang , Guangwei Ding
IPC分类号： G01N23/201 , G01V5/00 , G01N23/203
CPC分类号： G01V5/0025 , G01N23/203
摘要： The present disclosure provides a mobile back scattering imaging security inspection apparatus, comprising: a back scattering scanner (2), a detector (3), a controller (4), and a movable stage (1) configured to carry the back scattering scanner, the detector and the controller and being movable with respect to the object to be inspected; wherein the back scattering scanner is a distributed X-ray source comprising a plurality of target points (201), each of which is able to emit the ray beam individually, and wherein the back scattering scanner, the detector and the controller perform an imaging security inspection operation on the object to be inspected during moving along with the movable stage with respect to the object.

2. 外观设计

USD804670S1 Human body safety inspection instrument 有权
公开(公告)号：USD804670S1
公开(公告)日：2017-12-05
申请号：US29567397
申请日：2016-06-08
申请人： TSINGHUA UNIVERSITY , NUCTECH COMPANY LIMITED
设计人： Ziran Zhao , Wanlong Wu , Yingkang Jin , Guangwei Ding , Ming Ruan

3. 发明授权

US09779908B2 X-ray generator with adjustable collimation 有权
公开(公告)号：US09779908B2
公开(公告)日：2017-10-03
申请号：US14729622
申请日：2015-06-03
申请人： Nuctech Company Limited , Tsinghua University
发明人： Fuhua Ding , Zhiqiang Chen , Ziran Zhao , Wanlong Wu , Le Tang , Yingkang Jin , Yanjie Wen
IPC分类号： H01J35/10 , H01J35/12 , G21K1/04 , H05G1/12
CPC分类号： H01J35/12 , G21K1/043 , G21K1/046 , H01J2235/1287 , H05G1/12
摘要： The present disclosure provides an X-ray generator with adjustable collimation. The X-ray generator comprises: an assembly of X-ray source, which includes an X-ray tube having a cathode and an anode and a front collimator; a high voltage generator, which is disposed in an extended chamber of a housing for the X-ray tube and which is used for supplying a direct current high voltage between the cathode and the anode of the X-ray tube to excite X-ray beams; a collimation adjustment unit, which is rotatably disposed outside of the front collimator and which is used for adjusting fan-type X-ray beams into continuous pencil-type X-ray beams; and a cooling unit, which is independently mounted to the X-ray tube and which is used for cooling the anode of the X-ray tube; wherein, the assembly of X-ray source, the high voltage generator, the collimation adjustment unit and the cooling unit are integrated as a whole. The X-ray generator with adjustable collimation according to the disclosure has a compact construction, which is helpful in miniaturization, modularization and high efficiency of a security detection equipment.

4. 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。

5. 发明授权

US09355810B2 Integrated flying-spot X-ray apparatus 有权
标题翻译：综合飞点X射线仪
公开(公告)号：US09355810B2
公开(公告)日：2016-05-31
申请号：US13972478
申请日：2013-08-21
申请人： Nuctech Company Limited
发明人： Zhiqiang Chen , Ziran Zhao , Wanlong Wu , Xilei Luo , Guangwei Ding , Yingkang Jin , Le Tang , Fuhua Ding , Bin Sang , Shuo Cao , Zhimin Zheng
IPC分类号： H01J35/14 , G21K1/04 , H01J35/02 , H05G1/02
CPC分类号： H01J35/14 , G21K1/043 , H01J35/025 , H05G1/025
摘要： Disclosed is an integrated flying-spot X-ray apparatus comprising a ray generator configured to generate the X-ray, a revolving collimator device provided thereon with at least one aperture and arranged to be rotatable about the ray generator, a frameless torque motor configured to drive the revolving collimator device to rotate about the ray generator, and a cooling device configured to cool the ray generator, wherein the ray generator, the revolving collimator device, the frameless torque motor and the cooling device are mounted on an integrated mounting frame. Compared with the prior art, the integrated flying-spot X-ray apparatus according to the present disclosure has a simple and compact structure and is used as a kernel apparatus for fields of safety inspection and medical treatment.
摘要翻译：公开了一种集成的飞点X射线装置，其包括被配置为产生X射线的射线发生器，设置有至少一个孔的旋转准直器装置，并且被布置成围绕射线发生器可旋转;无框架扭矩马达，被配置为驱动所述旋转准直仪装置围绕所述射线发生器旋转;以及冷却装置，其被配置为冷却所述射线发生器，其中所述射线发生器，所述旋转准直器装置，所述无框架扭矩马达和所述冷却装置安装在集成安装框架上。与现有技术相比，根据本公开的集成飞点X射线装置具有简单紧凑的结构，并且用作安全检查和医疗领域的内核装置。

6. 发明申请

US20150323664A1 MILLIMETER WAVE THREE DIMENSIONAL HOLOGRAPHIC SCAN IMAGING APPARATUS AND METHOD FOR INSPECTING A HUMAN BODY OR AN ARTICLE 审中-公开
标题翻译：三维波三维全息扫描成像装置和检查人体或文章的方法
公开(公告)号：US20150323664A1
公开(公告)日：2015-11-12
申请号：US14451297
申请日：2014-08-04
申请人： Nuctech Company Limited
发明人： Wanlong Wu , Zhiqiang Chen , Yuanjing Li , Ziran Zhao , Zongjun Shen , Yinong Liu , Bin Sang , Wenguo Liu
IPC分类号： G01S13/89 , G01S13/02
CPC分类号： G01S13/89 , G01S13/02 , G01V8/005
摘要： A millimeter wave three dimensional holographic scan imaging apparatus and a method for inspecting a human body or an article are disclosed. In one aspect, the apparatus includes a first and second millimeter wave transceiver module. The apparatus also includes a guide rail device for each millimeter wave transceiver module. Each guide rail is connected to its respective transceiver module in slidable form. A driver drives each millimeter wave transceiver module to move along its guide rail device. Each millimeter wave transceiver module performs plane scans on the human body or article being inspected. A data processing device generates a millimeter wave holographic image from the plane scans.
摘要翻译：公开了一种毫米波三维全息扫描成像装置和用于检查人体或制品的方法。在一个方面，该装置包括第一和第二毫米波收发器模块。该装置还包括用于每个毫米波收发器模块的导轨装置。每个导轨以可滑动的形式连接到其相应的收发器模块。驱动器驱动每个毫米波收发器模块沿其导轨装置移动。每毫米波收发器模块对人体或正在检查的物品执行平面扫描。数据处理装置从平面扫描生成毫米波全息图像。

7. 发明申请

US20140056410A1 BACK-SCATTER HUMAN BODY SECURITY INSPECTION SYSTEM AND SCANNING METHOD THEREOF TO DETECT RADIOACTIVE MATTER 审中-公开
标题翻译：背散射人体身体检查系统及扫描方法检测放射性物质
公开(公告)号：US20140056410A1
公开(公告)日：2014-02-27
申请号：US13971275
申请日：2013-08-20
申请人： Nuctech Company Limited
发明人： Ziran Zhao , Wanlong Wu , Yingkang Jin , Le Tang , Chenguang Zhu , Guangwei Ding , Shuo Cao
IPC分类号： G01V5/00
CPC分类号： G01V5/0025 , G01V5/0075
摘要： The present invention discloses a back-scatter human body security inspection system, capable of detecting a radioactive matter carried by the human body, comprising: a radiation source configured to generate radiation rays, a flying spot forming device, configured to modulate the radiation rays from the radiation source, so as to form flying spot scanning beams for scanning the human body to be detected, a detector configured to detect radiation rays from the human body to be detected and output a signal characterizing a dose of the radiation rays, a control and data processing device, configured to process the signal outputted from the detector to obtain a radiation image of the human body to be detected. The detector detects the radiation rays from the radiation source scattered by the human body to be detected, separately at different times, and the radiation rays from the radioactive matter carried by the human body to be detected. In the present invention, the application ranges of the back-scatter human body scanning apparatus can be effectively expanded, without adding and modifying the hardware therein, thereby increasing the monitoring function to the radioactive matter carried by the human body and further improving the effects of the human body security inspection.
摘要翻译：本发明公开了一种能够检测人体携带的放射性物质的背散射人体安全检查系统，包括：被配置为产生放射线的辐射源，飞点形成装置，其被配置为调制来自辐射源，以便形成用于扫描要检测的人体的飞点扫描光束;检测器，被配置为检测来自人体的待检测的辐射线，并输出表征辐射射线剂量的信号;控制和数据处理装置，被配置为处理从检测器输出的信号，以获得要检测的人体的放射线图像。检测器在不同时间分别检测来自被检测人体的辐射源的辐射线，以及来自被检测人体携带的放射性物质的辐射线。在本发明中，可以有效地扩展背散射式人体扫描装置的应用范围，而不需要对其中的硬件进行增加和修改，从而增加对人体携带的放射性物质的监测功能，进一步提高人体安全检查。

8. 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.

9. 发明授权

US10218082B2 Wideband microstrip antennas and antenna arrays 有权
公开(公告)号：US10218082B2
公开(公告)日：2019-02-26
申请号：US14246261
申请日：2014-04-07
申请人： Nuctech Company Limited , Tsinghua University
发明人： Ziran Zhao , Zhiqiang Chen , Yuanjing Li , Wanlong Wu , Yinong Liu , Jieqing Yang , Wenguo Liu , Bin Sang , Lei Zheng
IPC分类号： G03H5/00 , H01Q1/50 , H01Q1/52 , H01Q9/04 , H01Q21/00 , H01Q21/06 , H01Q21/08 , H01Q5/378 , H01Q13/02
摘要： There is provided a wideband patch antenna and an antenna array. The antenna includes a dielectric substrate of a rectangle shape, a radiation patch formed on a top surface of the dielectric substrate, a coupling patch formed on the top surface of the dielectric substrate and extending from a side of the dielectric substrate to a position from the radiation patch by a distance, a metal support arranged on the lower surface of the dielectric substrate and extending from the edge of the lower surface of the dielectric substrate downward to the ground, a layer of air having a predetermined thickness being formed between the lower surface of the dielectric substrate and the ground. According to the embodiments, it is possible to improve the directivity of the wideband microstrip antenna while maintaining its small size.

10. 发明授权

US09577651B2 Circuits for generating sweep frequency signal 有权
标题翻译：用于产生扫频信号的电路
公开(公告)号：US09577651B2
公开(公告)日：2017-02-21
申请号：US14294625
申请日：2014-06-03
申请人： NUCTECH COMPANY LIMITED
发明人： Ziran Zhao , Wenguo Liu , Zhiqiang Chen , Yuanjing Li , Wanlong Wu , Yinong Liu , Bin Sang , Lei Zheng
IPC分类号： H03B19/00 , H03L7/24 , H03B23/00 , H03L7/22
CPC分类号： H03L7/24 , H03B23/00 , H03L7/22
摘要： A circuit to generate a sweep frequency signal that includes a reference frequency source to generate a reference frequency signal, a first frequency combination circuit coupled to the reference frequency source, and operative to generate a sweep frequency signal in a first frequency band based on the reference frequency signal, a second frequency combination circuit coupled to the reference frequency source, and operative to generate a sweep frequency signal in a second frequency band different from the first frequency band based on the reference frequency signal, a multiple-level switch coupled to outputs of the first frequency combination circuit and the second frequency combination circuit, and a control circuit controlling the first and second frequency combination circuits and the multiple-level switch to output the sweep frequency signal in the first frequency band and the sweep frequency signal in the second frequency band at an output of the multiple-level switch alternately.
摘要翻译：一种用于产生包括参考频率源以产生参考频率信号的扫频频率信号的电路，耦合到参考频率源的第一频率组合电路，并用于基于参考频率信号产生第一频带中的扫频信号频率信号，耦合到所述参考频率源的第二频率组合电路，并且可操作以基于所述参考频率信号在与所述第一频带不同的第二频带中产生扫频频率信号;多电平开关，第一频率组合电路和第二频率组合电路，以及控制电路，控制第一和第二频率组合电路和多电平开关，以输出第一频带中的扫频信号和第二频率中的扫频频率信号交替地在多级交换机的输出端发送频带。

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