公开(公告)号：EP3796049A1

公开(公告)日：2021-03-24

申请号：EP20187211.6

申请日：2020-07-22

Applicant: Tsinghua University ,  Nuctech Company Limited

Inventor： ZENG, Zhi ,  PAN, Xingyu ,  WANG, Xuewu ,  LI, Jungli ,  ZENG, Ming ,  LI, Jianmin ,  ZHAO, Ziran ,  CHENG, Jianping ,  MA, Hao ,  ZHANG, Hui ,  YU, Hao ,  LIU, Bicheng

IPC: G01V5/00 ,  G01N23/20

Abstract: The present disclosure provides a substance identification device and a substance identification method. The substance identification device comprises: a classifier establishing unit (10) configured to establish a classifier based on scattering density values reconstructed for a plurality of known sample materials, wherein the classifier comprises a plurality of feature regions corresponding to a plurality of characteristic parameters for the plurality of known sample materials, respectively; and an identification unit (20) for a material to be tested, configured to match the characteristic parameter of the material to be tested with the classifier, and to identify a type of the material to be tested by obtaining a feature region corresponding to the characteristic parameter of the material to be tested.

公开(公告)号：EP3745359A1

公开(公告)日：2020-12-02

申请号：EP20757506.9

申请日：2020-01-19

Applicant: Tsinghua University ,  Nuctech Company Limited

Inventor： ZHAO, Ziran ,  CHEN, Zhiqiang ,  ZHANG, Li ,  GU, Jianping ,  YUAN, Shaoming ,  LIU, Peng ,  LIU, Kuo ,  GENG, Xingjie ,  ZHOU, Zhiqiang

IPC: G06T19/00

Abstract: In the present application, an image recognition system, an image recognition method, an electronic device and a non-transitory computer-readable medium are provided. The image recognition system may comprise: an information entry module, configured to enter information of an inspected object, and identify whether or not the information of the inspected object is abnormal information; a detection module, configured to detect whether or not contraband is carried by the inspected object and/or his/her luggage; an augmented reality (AR) module, configured to, in at least one of a case where the information of the inspected object is abnormal and/or a case where contraband is carried by the inspected object and his/her luggage, obtain from the information entry module and/or the detection module the information of the inspected object and/or information of the contraband, issue an alert and mark the inspected object and/or contraband in the AR module; and a storage module, configured to store information generated during operations of the information entry module, the detection module, and the AR module.

公开(公告)号：EP3327463B1

公开(公告)日：2020-11-18

申请号：EP16827252.4

申请日：2016-07-21

Applicant: Nuctech Company Limited ,  Tsinghua University

Inventor： CHEN, Zhiqiang ,  LI, Yuanjing ,  ZHAO, Ziran ,  WU, Wanlong ,  SHEN, Zongjun ,  LIU, Yinong ,  YANG, Jieqing

IPC: G01S13/90 ,  G01S7/40 ,  G01S13/86

公开(公告)号：EP3346294B1

公开(公告)日：2020-04-01

申请号：EP17211166.8

申请日：2017-12-29

Applicant: Nuctech Company Limited

Inventor： ZHAO, Bozhen ,  ZHANG, Qingjun ,  ZHAO, Ziran ,  LI, Shuwei ,  SUN, Lifeng ,  ZHANG, Wenjian

IPC: G01T1/20

公开(公告)号：EP3349048B1

公开(公告)日：2020-03-11

申请号：EP18151062.9

申请日：2018-01-10

Applicant: Nuctech Company Limited ,  Tsinghua University

Inventor： WANG, Qili ,  DAI, Shiyu ,  GU, Jianping ,  LIU, Yaohong ,  ZHAO, Ziran

IPC: G01V5/00

公开(公告)号：EP2940456B1

公开(公告)日：2020-02-12

申请号：EP13867688.7

申请日：2013-12-17

Applicant: Nuctech Company Limited ,  Tsinghua University

Inventor： TANG, Huaping ,  LI, Yuanjing ,  ZHAO, Ziran ,  LIU, Yaohong ,  QIN, Zhanfeng ,  ZHANG, Jinyu ,  TANG, Hu

IPC: G01N23/046 ,  G01V5/00

公开(公告)号：EP2573551B1

公开(公告)日：2019-11-13

申请号：EP11778783.8

申请日：2011-04-28

Applicant: Nuctech Company Limited ,  Tsinghua University

Inventor： CHEN, Zhiqiang ,  LI, Yuanjing ,  ZHAO, Ziran ,  LIU, Yinong ,  WU, Wanlong ,  ZHANG, Li ,  TU, Chao ,  TANG, Le ,  JIN, Yingkang ,  CAO, Shuo ,  DING, Guangwei

IPC: G01N23/203 ,  G21K1/04 ,  G01V5/00

公开(公告)号：EP3537186A2

公开(公告)日：2019-09-11

申请号：EP19161363.7

申请日：2019-03-07

Applicant: Nuctech Company Limited

Inventor： CHEN, Zhiqiang ,  ZHAO, Ziran ,  LI, Yuanjing ,  LUO, Xilei ,  JIN, Yingkang ,  ZHENG, Zhimin ,  WU, Wanlong ,  QIAO, Lingbo ,  LIU, Wenguo

IPC: G01V8/00

Abstract: An extensible millimeter wave security inspection system is 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：EP3088871B1

公开(公告)日：2019-04-17

申请号：EP14874921.1

申请日：2014-12-25

Applicant: Nuctech Company Limited

Inventor： ZHAO, Ziran ,  ZHANG, Jianhong ,  WANG, Hongqiu ,  WANG, Weiwei ,  WANG, Zhiming ,  YI, Yumin

IPC: G01N21/65 ,  G01J3/02 ,  G01J3/44 ,  G01J3/28

公开(公告)号：EP3461006A2

公开(公告)日：2019-03-27

申请号：EP18190829.4

申请日：2018-08-24

Applicant: Nuctech Company Limited

Inventor： LIU, Yaohong ,  ZHAO, Ziran ,  LIU, Jinsheng ,  JIA, Wei ,  LI, Wei ,  YAN, Xinshui

IPC: H03K17/06 ,  H03K3/57

CPC classification number: H03K17/08126 ,  H03K3/57 ,  H03K17/06 ,  H03K17/08128 ,  H03K17/567 ,  H03K2017/066 ,  H03K2217/0081

Abstract: The present disclosure provides a gate protection circuit for an Insulated Gate Bipolar Transistor (IGBT), the IGBT being used as a switch device in a solid state pulse modulator based on the MARX generator principle, the gate protection circuit including: a voltage regulator configured to supply a stable voltage to an emitter of the IGBT with respect to the ground for a gate of the IGBT.