公开(公告)号：US20140056412A1

公开(公告)日：2014-02-27

申请号：US13972478

申请日：2013-08-21

Applicant: Nuctech Company Limited

Inventor： Zhiqiang Chen ,  Ziran Zhao ,  Wanlong Wu ,  Xilei Luo ,  Guangwei Ding ,  Yingkang Jin ,  Le Tang ,  Fuhua Ding ,  Bin Sang ,  Shuo Cao ,  Zhimin Zheng

IPC: H01J35/14

CPC classification number: H01J35/14 ,  G21K1/043 ,  H01J35/025 ,  H05G1/025

Abstract: 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.

Abstract translation: 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 驱动旋转准直器装置围绕射线发生器旋转;以及冷却装置，其被配置为冷却射线发生器，其中，射线发生器，旋转准直器装置，无框架扭矩马达和冷却装置安装在集成的安装框架上。 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。

公开(公告)号：US12149014B2

公开(公告)日：2024-11-19

申请号：US17418951

申请日：2019-10-10

Applicant: NUCTECH COMPANY LIMITED

Inventor： Yuanjing Li ,  Haifan Hu ,  Ziran Zhao ,  Xuming Ma

IPC: H01Q9/06 ,  H01P1/213 ,  H01P11/00

Abstract: The present disclosure provides a terahertz mixer, a method of manufacturing the terahertz mixer, and an electronic device including the mixer. The terahertz mixer includes: a cavity for forming a radio frequency input waveguide and a local oscillator input waveguide, and for accommodating a microstrip line; the microstrip line formed on at least a part of an inner surface of the cavity by using a semiconductor growth process, wherein the microstrip line extends into a portion of the cavity where the radio frequency input waveguide is located so as to form a microstrip antenna for receiving a radio frequency input signal, and into a portion of the cavity where the local oscillator input waveguide is located so as to form a microstrip antenna for receiving a local oscillator input signal.

公开(公告)号：US12004426B2

公开(公告)日：2024-06-04

申请号：US17418967

申请日：2019-10-10

Applicant: NUCTECH COMPANY LIMITED ,  Tsinghua University

Inventor： Ziran Zhao ,  Yingxin Wang ,  Meng Chen ,  Xuming Ma

IPC: H10N15/10

CPC classification number: H10N15/15

Abstract: A terahertz detector and a method of manufacturing a terahertz detector, wherein the terahertz detector including a substrate (2) and at least one detection unit. Each detection unit includes: a channel material (1) arranged on the substrate, two electrodes (3, 4) respectively in ohmic contact with both ends of the channel material (1) in a longitudinal direction, and a three-dimensional grapheme (5) in direct or indirect thermal contact with the channel material (1).

公开(公告)号：US11662457B2

公开(公告)日：2023-05-30

申请号：US17354056

申请日：2021-06-22

Applicant: NUCTECH COMPANY LIMITED ,  Tsinghua University

Inventor： Zhiqiang Chen ,  Ziran Zhao ,  Yan You ,  Yuanjing Li ,  Shixin Zhang ,  Huan Xie ,  Xuming Ma ,  Rui Fan ,  Yinglei Wang

IPC: B25J9/16 ,  G01S13/88 ,  G01S13/89 ,  G06K9/20 ,  G06T7/50 ,  G06T7/70 ,  H01Q13/02 ,  H01Q21/06 ,  H04N5/232 ,  H04N5/247 ,  G06V10/143 ,  G06V10/147

CPC classification number: B25J9/1697 ,  G01S13/887 ,  G01S13/89 ,  G06T7/50 ,  G06T7/70 ,  G06V10/143 ,  G06V10/147 ,  H01Q13/02 ,  H01Q21/064 ,  H04N5/23299 ,  H04N5/247 ,  G06V2201/05

Abstract: A terahertz security inspection robot is provided, including: a housing including a main housing and a head housing rotatably connected to the main housing; a terahertz wave imaging mechanism including a mirror assembly arranged in the head housing and a detector array arranged in the main housing; and a rotating mechanism configured to cause the head housing and the mirror assembly located in the head housing to rotate with respect to the main housing, so that the mirror assembly of the terahertz wave imaging mechanism is oriented in different directions to respectively perform terahertz scanning and imaging on objects to be inspected in different inspection regions in a security inspection scene.

公开(公告)号：US11631152B2

公开(公告)日：2023-04-18

申请号：US16321251

申请日：2017-07-31

Applicant: Nuctech Company Limited

Inventor： Zhiqiang Chen ,  Ziran Zhao ,  Wanlong Wu ,  Yingkang Jin ,  Xianli Ding ,  Jiao Long ,  Zongjun Shen ,  Zheng Li

IPC: G06Q10/10 ,  G06Q40/08 ,  G06Q10/06 ,  G06Q30/02 ,  G06Q30/06 ,  G06Q50/26 ,  G07C9/00 ,  G06K9/00 ,  G06K9/62 ,  G06F16/00 ,  G06V40/20 ,  G06V40/16 ,  G06F16/28

Abstract: A security inspection system and a method of configuring a security inspection device are provided. In an embodiment, the security inspection system may include: an identity information entry device configured to enter an identification of an inspected person; a parameter determination device configured to determine a parameter for performing a security inspection on the inspected person based on a security factor of the inspected person determined according to user data corresponding to the identification of the inspected person; and a security inspection device configured to perform the security inspection on the inspected person based on the determined parameter. According to embodiments, it is possible to accurately predict the user's behavior and evaluate the risk or potential danger from the user by analyzing and mining the user's comprehensive data, and thus to provide a more accurate security inspection solution.

公开(公告)号：US11408852B2

公开(公告)日：2022-08-09

申请号：US16621877

申请日：2019-05-08

Applicant: TSINGHUA UNIVERSITY ,  Nuctech Company Limited ,  WUHU JIAHONG NEW MATERIAL CO., LTD.

Inventor： Zhiqiang Chen ,  Chunan Xu ,  Qingjun Zhang ,  Fengfeng Xiong ,  Yuanjing Li ,  Ziran Zhao ,  Yinong Liu ,  Yaohong Liu ,  Ge Li ,  Qiufeng Ma ,  Biao Cao

IPC: G01N1/22 ,  G01N27/622 ,  G01N30/72 ,  G01N30/02

Abstract: A sampling tube bundle includes a tube bundle body and a joint assembly. The tube bundle body includes a gas sampling tube for transmitting sampling gas; a metal woven layer wrapping an outer circumference of the gas sampling tube; a heating pad comprising a heat tracing cable wrapping an outer circumference of the metal woven layer, for heating the sampling gas in the gas sampling tube; a flame resistant tape wound around an outer circumference of the of the heating pad; a plurality of signal transmission lines circumferentially spaced apart from one another are arranged outside the flame resistant tape; and a sheath located outside the signal transmission line. The joint assembly is arranged on an end of the tube bundle body, for connecting to an analysis device or a sampling device.

公开(公告)号：US11226429B2

公开(公告)日：2022-01-18

申请号：US16296686

申请日：2019-03-08

Applicant: NUCTECH COMPANY LIMITED

Inventor： Zhiqiang Chen ,  Ziran Zhao ,  Yuanjing Li ,  Xilei Luo ,  Yingkang Jin ,  Zhimin Zheng ,  Wanlong Wu ,  Lingbo Qiao ,  Wenguo Liu

IPC: G01V8/00 ,  G01S13/89 ,  G01V8/26 ,  G01S13/88

Abstract: An extensible millimeter wave security inspection system, a security inspection method for a human body using the extensible millimeter wave security inspection system and an extensible millimeter wave scanning unit are disclosed. The extensible millimeter wave security inspection system includes at least one security inspection passage, at least one scanning units are provided on at least one side of two sides of each security inspection passage, each scanning unit includes at least one millimeter wave transceiving module, the millimeter wave transceiving module includes an array of millimeter wave antennas configured to transmit and receive millimeter wave signals and a millimeter wave transceiver associated with the array of millimeter wave antennas, and the millimeter wave transceiving module is arranged to scan by millimeter wave a target to be inspected in the security inspection passage along a direction in which the security inspection passage extends.

公开(公告)号：US11156739B2

公开(公告)日：2021-10-26

申请号：US16725886

申请日：2019-12-23

Applicant: Nuctech Company Limited

Inventor： Ziran Zhao ,  Yingkang Jin ,  Lingbo Qiao ,  Zhimin Zheng ,  Ming Xu ,  Xilei Luo

IPC: G01N21/3586 ,  G01V8/00 ,  G03H1/00

Abstract: The disclosure discloses a millimeter wave security inspection apparatus and a method for inspecting human or article. The apparatus includes: a door device including a first door and a second door arranged in a stacked mode and each made of a material allowing a millimeter wave to penetrate therethrough; a millimeter wave transceiver arranged between the first door and the second door and including an millimeter wave transceiving antenna array configured to transmit and receive a millimeter wave signal to and from an entrance side and an exit side of the door device; and a linear driver to which the millimeter wave transceiver is connected to be movable relative to the door device, so as to scan a first side of an object positioned at the entrance side and a second side of the object opposite to the first side positioned at the exit side.

公开(公告)号：US10989689B2

公开(公告)日：2021-04-27

申请号：US16235315

申请日：2018-12-28

Applicant: Nuctech Company Limited ,  TSINGHUA UNIVERSITY

Inventor： Qingjun Zhang ,  Weiping Zhu ,  Yuanjing Li ,  Zhiqiang Chen ,  Ziran Zhao ,  Yinong Liu ,  Yaohong Liu ,  Qiufeng Ma ,  Ge Li ,  Biao Cao ,  Nan Bai

IPC: G01N27/62 ,  G01N27/622 ,  G01N30/72 ,  G01N30/20 ,  G01N30/60 ,  G01N30/02

Abstract: A gas chromatography-ion mobility spectrometry detector and a hyphenated apparatus, the gas chromatography-ion mobility spectrometry detector comprises a gas chromatography mechanism and an ion mobility spectrometry mechanism. The gas chromatography mechanism comprises a chromatographic column and a sample injection port. The ion mobility spectrometry mechanism comprises a mobility tube and a connecting body, while a metal connection plate of the connecting body comprises a chromatographic metal plate, an ion mobility metal plate and a semipermeable membrane; on the ion mobility metal plate there are provided an ion mobility sample and carrier gas inlet, an ion mobility sample chamber and a sample injection port; the chromatography sample chamber and the ion mobility sample chamber are separated by semipermeable membrane.

公开(公告)号：US10701787B2

公开(公告)日：2020-06-30

申请号：US16117267

申请日：2018-08-30

Applicant: Nuctech Company Limited ,  Tsinghua University

Inventor： Yaohong Liu ,  Ziran Zhao ,  Jinsheng Liu ,  Huaibi Chen ,  Liang Zhang ,  Dongsheng Zhang

IPC: H01J35/10 ,  H05G1/02 ,  H01J35/12

Abstract: The disclosed technology relates to an X-ray conversion target. In one aspect, the X-ray conversion target includes target body and a target part arranged within the target body, the target part having a first face configured to produce X-rays. The X-ray conversion target further comprises a cooling passage having a side wall, at least a part of the side wall being consisted of a portion of the target part.