Patents by Inventor Zongjun Shen

Zongjun Shen has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 11631152
    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.
    Type: Grant
    Filed: July 31, 2017
    Date of Patent: April 18, 2023
    Assignee: Nuctech Company Limited
    Inventors: Zhiqiang Chen, Ziran Zhao, Wanlong Wu, Yingkang Jin, Xianli Ding, Jiao Long, Zongjun Shen, Zheng Li
  • Patent number: 10983243
    Abstract: 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.
    Type: Grant
    Filed: December 20, 2017
    Date of Patent: April 20, 2021
    Assignees: TSINGHUA UNIVERSITY, NUCTECH COMPANY LIMITED
    Inventors: Zhiqiang Chen, Yuanjing Li, Ziran Zhao, Wanlong Wu, Ming Ruan, Yingkang Jin, Guangwei Ding, Zongjun Shen, Jiajiang Zhao
  • Patent number: 10768575
    Abstract: An imaging device and an imaging method by millimeter wave 3D holographic scanning are disclosed. In an embodiment, the millimeter wave 3D holographic scanning imaging device may include: a conveying apparatus configured to convey an object located thereon in a first direction; and at least one millimeter wave transceiving module arranged beside the conveying apparatus, each configured to be enabled to scan the object when the conveying apparatus conveys the object through the respective millimeter wave transceiving module, wherein each millimeter wave transceiving module is arranged to have its longitudinal direction extend in a direction intersecting the first direction, and includes a millimeter wave transceiving antenna array for transceiving millimeter wave signals.
    Type: Grant
    Filed: August 19, 2016
    Date of Patent: September 8, 2020
    Assignee: Nuctech Company Limited
    Inventors: Zhiqiang Chen, Yuanjing Li, Ziran Zhao, Wanlong Wu, Zongjun Shen, Li Zhang, Yinong Liu, Yingkang Jin, Wentao Yu
  • Patent number: 10634780
    Abstract: An electromagnetic wave imaging system and a method of correcting an antenna array signal are disclosed. In an example, the electromagnetic wave imaging system may include an antenna array, configured to receive electromagnetic wave from a target object and convert the electromagnetic wave into an electrical signal; a signal processing unit, configured to process the electrical signal to obtain an image of the target object; and a distance measuring device, configured to measure a distance of the target object from the antenna array, wherein the signal processing unit corrects the electrical signal based at least in part on the measured distance.
    Type: Grant
    Filed: July 21, 2016
    Date of Patent: April 28, 2020
    Assignees: Nuctech Company Limited, Tsinghua University
    Inventors: Zhiqiang Chen, Yuanjing Li, Ziran Zhao, Wanlong Wu, Zongjun Shen, Yinong Liu, Jieqing Yang
  • Publication number: 20200012010
    Abstract: 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.
    Type: Application
    Filed: December 20, 2017
    Publication date: January 9, 2020
    Inventors: Zhiqiang CHEN, Yuanjing LI, Ziran ZHAO, Wanlong WU, Ming RUAN, Yingkang JIN, Guangwei DING, Zongjun SHEN, Jiajiang ZHAO
  • Publication number: 20190180398
    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.
    Type: Application
    Filed: July 31, 2017
    Publication date: June 13, 2019
    Inventors: Zhiqiang Chen, Ziran Zhao, Wanlong Wu, Yingkang Jin, Xianli Ding, Jiao Long, Zongjun Shen, Zheng Li
  • Publication number: 20180173161
    Abstract: An imaging device and an imaging method by millimeter wave 3D holographic scanning are disclosed. In an embodiment, the millimeter wave 3D holographic scanning imaging device may include: a conveying apparatus configured to convey an object located thereon in a first direction; and at least one millimeter wave transceiving module arranged beside the conveying apparatus, each configured to be enabled to scan the object when the conveying apparatus conveys the object through the respective millimeter wave transceiving module, wherein each millimeter wave transceiving module is arranged to have its longitudinal direction extend in a direction intersecting the first direction, and includes a millimeter wave transceiving antenna array for transceiving millimeter wave signals.
    Type: Application
    Filed: August 19, 2016
    Publication date: June 21, 2018
    Inventors: Zhiqiang Chen, Yuanjing Li, Ziran Zhao, Wanlong Wu, Zongjun Shen, Li Zhang, Yinong Liu, Yingkang Jin, Wentao Yu
  • Publication number: 20180120430
    Abstract: An electromagnetic wave imaging system and a method of correcting an antenna array signal are disclosed. In an example, the electromagnetic wave imaging system may include an antenna array, configured to receive electromagnetic wave from a target object and convert the electromagnetic wave into an electrical signal; a signal processing unit, configured to process the electrical signal to obtain an image of the target object; and a distance measuring device, configured to measure a distance of the target object from the antenna array, wherein the signal processing unit corrects the electrical signal based at least in part on the measured distance.
    Type: Application
    Filed: July 21, 2016
    Publication date: May 3, 2018
    Inventors: Zhiqiang Chen, Yuanjing Li, Ziran Zhao, Wanlong Wu, Zongjun Shen, Yinong Liu, Jieqing Yang
  • Patent number: 9599705
    Abstract: A millimeter wave three dimensional holographic scan imaging apparatus and a method for inspecting a human body or an article are disclosed. The apparatus comprises a first millimeter wave transceiver module, a second millimeter wave transceiver module, a first guide rail device to which the first millimeter wave transceiver module is connected in slidable form, a second guide rail device to which the second millimeter wave transceiver module is connected in slidable form, a driver configured to drive the first/second millimeter wave transceiver module to move along the first/second guide rail device, and a constrainer configured to constrain kinematic relation between the first and the second millimeter wave transceiver modules such that they only move in directions opposed to each other. They may increase scan speeds, improve scan stability, reduce scan operations and enhance the reliability of the apparatus.
    Type: Grant
    Filed: April 8, 2014
    Date of Patent: March 21, 2017
    Assignee: Nuctech Company Limited
    Inventors: Wanlong Wu, Zhiqiang Chen, Yuanjing Li, Ziran Zhao, Zongjun Shen, Li Zhang, Bin Sang, Chenguang Zhu
  • Patent number: 9417356
    Abstract: The present invention discloses a millimeter wave holographic scan imaging apparatus for inspecting a human body. The apparatus includes a first millimeter wave transceiver device (40) comprising a first millimeter wave transceiver antenna array (41) for transmitting and receiving a first millimeter wave signal; a second millimeter wave transceiver device (40?), which comprises a second millimeter wave transceiver antenna array (41?) for transmitting and receiving a second millimeter wave signal, and is configured in opposite direction with relation to the first millimeter wave transceiver device; a connection member (26, 27) for connecting the first millimeter wave transceiver device (40) to the second millimeter wave transceiver device (40?); and a drive device (50), which drives one of the first and the second millimeter wave transceiver devices such that the first millimeter wave transceiver device (40) and the second millimeter wave transceiver device (40?) move in opposite directions.
    Type: Grant
    Filed: April 8, 2014
    Date of Patent: August 16, 2016
    Assignee: Nuctech Company Limited
    Inventors: Zhiqiang Chen, Yuanjing Li, Ziran Zhao, Wanlong Wu, Xilei Luo, Yinong Liu, Li Zhang, Bin Sang, Zongjun Shen, Yingkang Jin, Zhimin Zheng
  • Patent number: 9366642
    Abstract: 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.
    Type: Grant
    Filed: December 20, 2013
    Date of Patent: June 14, 2016
    Assignees: Nuctech Company Limited, Tsinghua University
    Inventors: 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
  • Publication number: 20150339521
    Abstract: The present invention provides a privacy protection method and a human body security inspection system having the same function. The privacy protection method comprises the steps of: acquiring in real-time scanning row or column image data of a personal to be inspected; displaying a physical profile image and an outline image of the personal to be inspected, on basis of the processed image of the scanning row or column image data; transmitting the physical profile image to an equipment end display in a human body security inspection system and displaying it thereon, and displaying the outline image of the personal to be inspected on a remote operation end display of the human body security inspection system; performing the suspicious matter recognition based on the outline image; and correspondingly displaying a suspected frame on the physical profile image, based on the suspicious matter recognized in the outline image.
    Type: Application
    Filed: July 23, 2014
    Publication date: November 26, 2015
    Inventors: Zhiqiang CHEN, Ziran ZHAO, Yuanjing LI, Wanlong WU, Xianli DING, Li ZHANG, Yingkang JIN, Zongjun SHEN, Le TANG
  • Patent number: 9194827
    Abstract: Disclosed is a scanning device using radiation beam for backscatter imaging. The scanning device includes a radiation source; a stationary shield plate and a rotary shield body positioned respectively between the radiation source and the subject to be scanned, wherein the stationary shield plate is fixed relative to the radiation source, and the rotary shield body is rotatable relative to the stationary shield plate. The ray passing area permitting the rays from the radiation source to pass through the stationary shield plate is provided on the stationary shield plate, and ray incidence area and ray exit area are respectively provided on the rotary shield body. During the process of the rotating and scanning of the rotary shield body, the ray passing area of the stationary shield plate intersects consecutively with the ray incidence area and the ray exit area of the rotary shield body to form scanning collimation holes. Further, a scanning method using radiation beam for backscatter imaging is also provided.
    Type: Grant
    Filed: June 28, 2010
    Date of Patent: November 24, 2015
    Assignees: NUCTECH COMPANY LIMITED, TSINGHUA UNIVERSITY
    Inventors: Kejun Kang, Zhiqiang Chen, Yuanjing Li, Ziran Zhao, Yinong Liu, Wanlong Wu, Dong Lin, Le Tang, Chao Tu, Zongjun Shen, Guangwei Ding, Yingkang Jin, Xilei Luo, Shuo Cao
  • Publication number: 20150323664
    Abstract: 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.
    Type: Application
    Filed: August 4, 2014
    Publication date: November 12, 2015
    Inventors: Wanlong Wu, Zhiqiang Chen, Yuanjing Li, Ziran Zhao, Zongjun Shen, Yinong Liu, Bin Sang, Wenguo Liu
  • Publication number: 20150048964
    Abstract: A millimeter wave three dimensional holographic scan imaging apparatus and a method for inspecting an object to be inspected using the same are disclosed. The apparatus includes a millimeter wave transceiver module with a millimeter wave transceiver antenna array for transmitting and receiving a millimeter wave signal. The apparatus also includes a guide rail device, to which the millimeter wave transceiver module is connected in slidable form. The millimeter wave transceiver module is moveable along the guide rail device to perform a plane scan on an object to be inspected. A data processing device generates a millimeter wave holographic image from the plane scan.
    Type: Application
    Filed: August 4, 2014
    Publication date: February 19, 2015
    Inventors: Zhiqiang Chen, Yuanjing Li, Ziran Zhao, Wanlong Wu, Zongjun Shen, Yinong Liu, Li Zhang, Xianli Ding
  • Publication number: 20150048253
    Abstract: The present invention discloses a millimetre wave three dimensional holographic scan imaging apparatus and a method for inspecting a human body or an article. The apparatus comprises a first millimetre wave transceiver module, a second millimetre wave transceiver module, a first guide rail device to which the first millimetre wave transceiver module is connected in slidable form, a second guide rail device to which the second millimetre wave transceiver module is connected in slidable form, a driver configured to drive the first/second millimetre wave transceiver module to move along the first/second guide rail device, and a constrainer configured to constrain kinematic relation between the first and the second millimetre wave transceiver modules such that they only move in directions opposed to each other. They may increase scan speeds, improve scan stability, reduce scan operations and enhance the reliability of the apparatus.
    Type: Application
    Filed: April 8, 2014
    Publication date: February 19, 2015
    Inventors: Wanlong WU, Zhiqiang CHEN, Yuanjing LI, Ziran ZHAO, Zongjun SHEN, Li ZHANG, Bin SANG, Chenguang ZHU
  • Publication number: 20150048251
    Abstract: The present invention discloses a millimeter wave holographic scan imaging apparatus for inspecting a human body. The apparatus includes a first millimeter wave transceiver device (40) comprising a first millimeter wave transceiver antenna array (41) for transmitting and receiving a first millimeter wave signal; a second millimeter wave transceiver device (40?), which comprises a second millimeter wave transceiver antenna array (41?) for transmitting and receiving a second millimeter wave signal, and is configured in opposite direction with relation to the first millimeter wave transceiver device; a connection member (26, 27) for connecting the first millimeter wave transceiver device (40) to the second millimeter wave transceiver device (40?); and a drive device (50), which drives one of the first and the second millimeter wave transceiver devices such that the first millimeter wave transceiver device (40) and the second millimeter wave transceiver device (40?) move in opposite directions.
    Type: Application
    Filed: April 8, 2014
    Publication date: February 19, 2015
    Inventors: Zhiqiang CHEN, Yuanjing LI, Ziran ZHAO, Wanlong WU, Xilei LUO, Yinong LIU, Li ZHANG, Bin SANG, Zongjun SHEN, Yingkang JIN, Zhimin ZHENG
  • Publication number: 20140341431
    Abstract: 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.
    Type: Application
    Filed: November 27, 2012
    Publication date: November 20, 2014
    Inventors: Zhiqiang Chen, Ziran Zhao, Wanlong Wu, Zhimin Zheng, Zongjun Shen, Xilei Luo, Shuo Cao, Yingkang Jin, Bin Sang
  • Publication number: 20140185769
    Abstract: 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.
    Type: Application
    Filed: December 20, 2013
    Publication date: July 3, 2014
    Inventors: 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
  • Publication number: 20140184773
    Abstract: The present invention discloses a human body security inspection apparatus and a corresponding method. Specifically, the apparatus comprises: a human body security inspection device (1), configured to scan the human to be inspected (2) in order to inspect whether the human to be inspected (2) carries prohibited articles; a KINECT sensor (3), configured to real-timely acquire information about the human to be inspected (2) so that the human body security inspection device (1) is capable of real-timely acquiring the information of the human to be inspected (2) by means of the KINECT sensor (3), so as to determine whether the information conforms to requirements of the human body security inspection device (1); and a data processing device (4), configured to communicate with the human body security inspection device (1) and the KINECT sensor (3), in order to real-timely analyse and process the information of the human to be inspected (2).
    Type: Application
    Filed: December 20, 2013
    Publication date: July 3, 2014
    Inventors: Zhiqiang CHEN, Ziran ZHAO, Wanlong WU, Yuanjing LI, Zongjun SHEN, Li ZHANG, Yinong LIU, Jin CUI, Yingkang JIN, Liang LI, Yuxiang XING, Yongshun XIAO