专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

1. 发明授权

US11614413B2 Back scattering inspection system and back scattering inspection method 有权
公开(公告)号：US11614413B2
公开(公告)日：2023-03-28
申请号：US17255968
申请日：2020-01-03
申请人： TSINGHUA UNIVERSITY , NUCTECH COMPANY LIMITED , NUCTECH (BEIJING) COMPANY LIMITED
发明人： Jianmin Li , Li Zhang , Yuanjing Li , Zhiqiang Chen , Hao Yu , Shangmin Sun , Bicheng Liu , Weizhen Wang , Dongyu Wang , Yuan Ma , Yu Hu , Chunguang Zong
IPC分类号： G01N23/20008 , G01N23/203
摘要： The present disclosure provides a back scattering inspection system and a back scattering inspection method. The back scattering inspection system includes a frame and a back scattering inspection device. The rack includes a track arranged vertically or obliquely relative to the ground, and a space enclosed by the track forms an inspection channel; and the back scattering inspection device includes a back scattering ray emitting device and a back scattering detector, and the back scattering inspection device is movably disposed on the track for inspecting an inspected object passing through the inspection channel. The back scattering inspection system can perform back scattering inspection on a plurality of surfaces of the inspected object.

2. 发明授权

US11454483B2 Intelligent explosion-proof table 有权
公开(公告)号：US11454483B2
公开(公告)日：2022-09-27
申请号：US16214677
申请日：2018-12-10
申请人： Nuctech Company Limited , TSINGHUA UNIVERSITY
发明人： Li Zhang , Gang Peng , Qingping Huang , Jianqing Dou , Yandi Wang , Kun Yang
IPC分类号： F42D5/04 , G06Q50/26 , B64F1/36
摘要： The present disclosure provides an intelligent explosion-proof table, including a worktable, an explosion-proof box; the worktable has a window passing through in the vertical direction. The explosion-proof box with an open top is arranged under the window of the worktable. A lifting plate which can be moved up and down and a support mechanism for driving the lifting plate to be lifted are provided inside the explosion-proof box. The lifting plate is used for placing a danger source and matches with the window and is capable of being raised into the window.

3. 发明申请

US20220221576A1 ELECTROMAGNETIC IMAGING DEVICE FOR ACTIVE MICROWAVE AND MILLIMETER WAVE SECURITY INSPECTION APPARATUS 有权
公开(公告)号：US20220221576A1
公开(公告)日：2022-07-14
申请号：US17309915
申请日：2019-10-10
申请人： Tsinghua Park , Nuctech Company Limited
发明人： Ziran Zhao , Yan You , Yuanjing Li , Xuming Ma , Jian Wu
IPC分类号： G01S13/90 , G01S7/282 , G01V3/12 , G01S7/20
摘要： The present disclosure provides an electromagnetic imaging device for an active microwave and millimeter wave security inspection apparatus, including: a two-dimensional multiple-input multiple-output array panel including at least one sub-array, wherein each sub-array includes a plurality of transmitting antennas arranged linearly and a plurality of receiving antennas arranged linearly, the plurality of transmitting antennas arranged linearly being intersected with the plurality of receiving antennas arranged linearly; a signal processing device; a display device; and a ranging radar. In each sub-array, a midpoint of a connection line between each transmitting antenna and a corresponding receiving antenna serves as a virtual equivalent phase center of a pair of the each transmitting antenna and the corresponding receiving antenna, and the plurality of transmitting antennas and the plurality of receiving antennas are arranged to generate an equivalent phase center web. A distance between adjacent transmitting antennas or a distance between adjacent receiving antennas is equal to a wavelength of the electromagnetic wave with the specific frequency, and a distance between adjacent equivalent phase centers in the equivalent phase center web generated ranges from 30% to 70% of the wavelength of the electromagnetic wave with the specific frequency.

4. 发明授权

US11346975B2 Spiral CT device and Three-dimensional image reconstruction method 有权
公开(公告)号：US11346975B2
公开(公告)日：2022-05-31
申请号：US16467140
申请日：2017-08-04
申请人： NUCTECH COMPANY LIMITED
发明人： Zhiqiang Chen , Ziran Zhao , Yaohong Liu , Jianping Gu , Qian Yi , Bicheng Liu , Guangming Xu
IPC分类号： G01V5/00 , G01N23/046 , G01T1/29
摘要： The present disclosure provides a spiral Computed Tomography (CT) device and a three-dimensional image reconstruction method. The spiral CT device includes: an inspection station operable to carry an object to be inspected and defining an inspection space; a rotational supporting apparatus disposed around the inspection space; a plurality of X-ray sources located on the rotational supporting apparatus; and a plurality of X-ray receiving apparatuses located on the rotational supporting apparatus and opposing to the plurality of X-ray sources respectively, wherein the plurality of X-ray sources and the plurality of X-ray receiving apparatuses are rotational synchronously with the rotational supporting apparatus, wherein the plurality of X-ray sources are closely disposed and fan-shaped X-ray beams provided by the plurality of X-ray sources cover the inspection space with a minimum degree of overlapping.

5. 发明申请

US20220066065A1 PORTABLE TERAHERTZ SECURITY INSPECTION APPARATUS 有权
公开(公告)号：US20220066065A1
公开(公告)日：2022-03-03
申请号：US17309908
申请日：2019-10-09
申请人： Nuctech Company Limited , Tsinghua University
发明人： Ziran Zhao , Yingxin Wang , Meng Chen , Xuming Ma
IPC分类号： G01V8/20 , G01V5/00
摘要： The present disclosure provides a portable terahertz security inspection apparatus, including: a carrying body; a terahertz emitting device arranged on the carrying body, wherein the terahertz emitting device includes a terahertz signal source and an emitting unit connected to the terahertz signal source and configured to emit a terahertz wave; a terahertz detector arranged on the carrying body and configured to receive the terahertz wave reflected from an inspected object; a data acquisition and processing system arranged on the carrying body and connected to the terahertz detector, wherein the data acquisition and processing system is configured to receive a scan data for the inspected object from the terahertz detector and generate a terahertz image; and a display device connected to the data acquisition and processing system and configured to receive and display the terahertz image from the data acquisition and processing system. The portable terahertz security inspection apparatus does not need to be equipped with a mechanical scanning system, so that a volume and a weight of the terahertz security inspection apparatus may be greatly reduced, and a security inspector may move the terahertz security inspection apparatus manually to perform scanning of the imaging area.

6. 发明授权

US11215626B2 Gate system for sample detection and method of sample inspection 有权
公开(公告)号：US11215626B2
公开(公告)日：2022-01-04
申请号：US16406272
申请日：2019-05-08
申请人： TSINGHUA UNIVERSITY , Nuctech Company Limited
发明人： Qingjun Zhang , Yuanjing Li , Zhiqiang Chen , Ziran Zhao , Yinong Liu , Yaohong Liu , Qiufeng Ma , Lili Yan , Weiping Zhu , Biao Cao
IPC分类号： G01N35/04 , G01N25/54 , G01N35/10 , G01N35/00 , G01N1/02
摘要： The present disclosure provides a gate system for sample detection and a method of sample inspection, which relate to the field of detection and analysis technology. The gate system comprises: an accommodating apparatus configured to accommodate an inserted ticket to be detected; a wipe sampling apparatus including a wipe sampling belt which is configured to drive the ticket to be detected to move within the accommodating apparatus and to conduct a wipe sampling to the ticket; an inspiratory sampling apparatus configured to collect samples dropped from the wipe sampling apparatus; and a detection apparatus configured to detect the samples and output detection results. The gate system for sample detection and the method of sample inspection provided by the present disclosure have a wide range of applications and can perform rapid sampling and detection to those substances that are difficult to be volatilized.

7. 发明授权

US11193860B2 Gas purifying device and ion migration spectrometer 有权
公开(公告)号：US11193860B2
公开(公告)日：2021-12-07
申请号：US16314063
申请日：2018-12-10
申请人： Nuctech Company Limited , Tsinghua University
发明人： Qingjun Zhang , Yuanjing Li , Zhiqiang Chen , Ziran Zhao , Yinong Liu , Yaohong Liu , Lili Yan , Ge Li , Qiufeng Ma
IPC分类号： G01N1/34 , G01N1/22 , G01N1/44 , G01N27/622
摘要： Embodiments of the present disclosure provide a gas purifying device and an ion migration spectrometer. The gas purifying device includes a first purificant vessel, a second purificant vessel and a valve communicated between the first purificant vessel and the second purificant vessel. The valve is configured to allow a gas flows from the second purificant vessel to the first purificant vessel in a first state and to permit the gas to flow from the first purificant vessel to the second purificant vessel in a second state.

8. 发明申请

US20210364620A1 SMART AUTOMATIC FREQUENCY CONTROL APPARATUS BASED ON DIGITAL CONTROL 有权
公开(公告)号：US20210364620A1
公开(公告)日：2021-11-25
申请号：US17256851
申请日：2019-06-06
申请人： NUCTECH COMPANY LIMITED
发明人： Shangmin SUN , Yu HU , Sheng YAO , Tao WANG , Xibin YIN
IPC分类号： G01S13/38 , G01S7/40 , G01S13/34
摘要： The present disclosure provides a smart automatic frequency control (AFC) apparatus, including: a phase shift module, connected to a first signal input terminal and configured to: receive an incident wave from the first signal input terminal, perform a phase shift on the incident wave according to a phase shift parameter so as to generate a phase-shifted signal, and output the phase-shifted signal to a phase detection module; and the phase detection module, connected to the phase shift module and a second signal input terminal and configured to: receive a reflected wave from the second signal input terminal, perform a phase detection on the phase-shifted signal and the reflected wave so as to generate a phase difference signal, and output the phase difference signal via a control interface.

9. 发明申请

US20210330848A1 TRAY DISINFECTION DEVICE 有权
公开(公告)号：US20210330848A1
公开(公告)日：2021-10-28
申请号：US17136781
申请日：2020-12-29
申请人： Nuctech Company Limited , Tsinghua University
发明人： Li Zhang , Zhiqiang Chen , Qingping Huang , Mingzhi Hong , Yue Li , Bo Li , Minghua Qiu , Yanhua Lu
IPC分类号： A61L2/26 , A61L2/10
摘要： A tray disinfection devices for a security inspection system can include a frame, a disinfection channel on the frame, and a conveyor on the frame. An ultraviolet disinfection lamp is arranged in the disinfection channel. The conveyor on the frame is configured to convey a tray to pass through the disinfection channel so as to disinfect the tray through an irradiation of the ultraviolet disinfection lamp.

10. 发明授权

US11090686B2 Method for coating boron 有权
公开(公告)号：US11090686B2
公开(公告)日：2021-08-17
申请号：US16403606
申请日：2019-05-05
申请人： NUCTECH COMPANY LIMITED , TSINGHUA UNIVERSITY
发明人： Yigang Yang , Zhujun Fang , Yulan Li
IPC分类号： B05D7/00 , C09D163/00 , G01T3/08 , B05D7/14 , B05D7/02 , B05D5/12 , B05D1/18 , B05D1/02 , B05D1/28 , C09D5/03 , C09D1/00 , C08G59/24 , C08G59/50 , B05D3/02
摘要： The present application relates to a method for coating boron, to a boron-containing resin solution, to a boron-coated thermal neutron converter obtained by the method for coating boron, and further to a thermal neutron detector comprising the boron-coated thermal neutron converter. The method for coating boron as provided in the application is applicable for various substrates and has small restrictions on substrate shapes, particularly for substrates having complex surface structures and high aspect ratios.

你已经成功收藏专利！

检索式保存成功!

IPRDB

热门服务

关于我们

友情链接

联系方式