Patents by Inventor Wanlong Wu
Wanlong Wu 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).
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Patent number: 11631152Abstract: 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: GrantFiled: July 31, 2017Date of Patent: April 18, 2023Assignee: Nuctech Company LimitedInventors: Zhiqiang Chen, Ziran Zhao, Wanlong Wu, Yingkang Jin, Xianli Ding, Jiao Long, Zongjun Shen, Zheng Li
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Patent number: 11467105Abstract: Embodiments of the present disclosure disclose a combined scanning X-ray generator, a composite inspection apparatus and an inspection method. The combined scanning X-ray generator includes: a housing; an anode arranged in the housing, the anode including a first end of the anode and a second end of the anode opposite the first end of the anode; a pencil beam radiation source arranged at the first end of the anode and configured to emit a pencil X-ray beam; and a fan beam radiation source arranged at the second end of the anode and configured to emit a fan X-ray beam; wherein the pencil beam radiation source and the fan beam radiation source are operated independently.Type: GrantFiled: May 10, 2019Date of Patent: October 11, 2022Assignee: NUCTECH COMPANY LIMITEDInventors: Zhiqiang Chen, Wanlong Wu, Fuhua Ding, Zhimin Zheng, Xilei Luo
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Patent number: 11266000Abstract: The present disclosure provides an X-ray tube device and a spring pin for an X-ray tube device. In an embodiment, the X-ray tube device includes: an outer cylinder assembly having an anode end and a cathode end, an anode end cap assembly provided at the anode end of the outer cylinder assembly and including an X-ray tube, a cathode end cap assembly provided at the cathode end of the outer cylinder assembly and including a high voltage receptacle for an external power supply, and a spring pin connection assembly provided in the outer cylinder assembly and connecting a filament lead of the X-ray tube to the high voltage receptacle.Type: GrantFiled: April 4, 2018Date of Patent: March 1, 2022Assignee: Nuctech Company LimitedInventors: Zhiqiang Chen, Wanlong Wu, Fuhua Ding, Wenguo Liu, Zhimin Zheng, Shuo Cao
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Patent number: 11226429Abstract: 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.Type: GrantFiled: March 8, 2019Date of Patent: January 18, 2022Assignee: Nuctech Company LimitedInventors: Zhiqiang Chen, Ziran Zhao, Yuanjing Li, Xilei Luo, Yingkang Jin, Zhimin Zheng, Wanlong Wu, Lingbo Qiao, Wenguo Liu
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Publication number: 20210302335Abstract: Embodiments of the present disclosure disclose a combined scanning X-ray generator, a composite inspection apparatus and an inspection method. The combined scanning X-ray generator includes: a housing; an anode arranged in the housing, the anode including a first end of the anode and a second end of the anode opposite the first end of the anode; a pencil beam radiation source arranged at the first end of the anode and configured to emit a pencil X-ray beam; and a fan beam radiation source arranged at the second end of the anode and configured to emit a fan X-ray beam; wherein the pencil beam radiation source and the fan beam radiation source are operated independently.Type: ApplicationFiled: May 10, 2019Publication date: September 30, 2021Inventors: Zhiqiang CHEN, Wanlong WU, Fuhua DING, Zhimin ZHENG, Xilei LUO
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Publication number: 20210204385Abstract: The present disclosure provides an X-ray tube device and a spring pin for an X-ray tube device. In an embodiment, the X-ray tube device includes: an outer cylinder assembly having an anode end and a cathode end, an anode end cap assembly provided at the anode end of the outer cylinder assembly and including an X-ray tube, a cathode end cap assembly provided at the cathode end of the outer cylinder assembly and including a high voltage receptacle for an external power supply, and a spring pin connection assembly provided in the outer cylinder assembly and connecting a filament lead of the X-ray tube to the high voltage receptacle.Type: ApplicationFiled: April 4, 2018Publication date: July 1, 2021Inventors: Zhiqiang CHEN, Wanlong WU, Fuhua DING, Wenguo LIU, Zhimin ZHENG, Shuo CAO
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Patent number: 10983243Abstract: 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: GrantFiled: December 20, 2017Date of Patent: April 20, 2021Assignees: TSINGHUA UNIVERSITY, NUCTECH COMPANY LIMITEDInventors: Zhiqiang Chen, Yuanjing Li, Ziran Zhao, Wanlong Wu, Ming Ruan, Yingkang Jin, Guangwei Ding, Zongjun Shen, Jiajiang Zhao
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Patent number: 10768575Abstract: 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: GrantFiled: August 19, 2016Date of Patent: September 8, 2020Assignee: Nuctech Company LimitedInventors: Zhiqiang Chen, Yuanjing Li, Ziran Zhao, Wanlong Wu, Zongjun Shen, Li Zhang, Yinong Liu, Yingkang Jin, Wentao Yu
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Patent number: 10634780Abstract: 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: GrantFiled: July 21, 2016Date of Patent: April 28, 2020Assignees: Nuctech Company Limited, Tsinghua UniversityInventors: Zhiqiang Chen, Yuanjing Li, Ziran Zhao, Wanlong Wu, Zongjun Shen, Yinong Liu, Jieqing Yang
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Publication number: 20200012010Abstract: 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: ApplicationFiled: December 20, 2017Publication date: January 9, 2020Inventors: Zhiqiang CHEN, Yuanjing LI, Ziran ZHAO, Wanlong WU, Ming RUAN, Yingkang JIN, Guangwei DING, Zongjun SHEN, Jiajiang ZHAO
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Patent number: 10458928Abstract: Embodiments of the present disclosure provide a collimating device and a ray inspection device. The collimating device comprises: a beam guiding cylinder, a first collimator mounted at an inlet end of the beam guiding cylinder; a second collimator mounted an outlet end of the beam guiding cylinder; a beam guiding cylinder adjusting device disposed adjacent to the inlet of the beam guiding cylinder to adjust a direction of the beam guiding cylinder such that the first collimator is aligned with the first direction. The outlet end of the beam guiding cylinder is fixed to the frame and the second collimator is aligned with an object to be irradiated by a radiation beam, and the beam guiding cylinder is configured to have flexibility to allow the adjusting device to adjust a direction towards which the inlet end of the beam guiding cylinder is directed, in a direction transverse to the first direction.Type: GrantFiled: May 19, 2016Date of Patent: October 29, 2019Assignees: Nuctech Company Limited, Nuctech Jiangsu Company LimitedInventors: Zhiqiang Chen, Wanlong Wu, Ziran Zhao, Guangwei Ding, Ming Ruan, Xilei Luo
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Patent number: 10446288Abstract: The present invention provides a ray beam guiding device for guiding a ray beam in a ray inspection apparatus. The ray beam guiding device is provided in a housing of the ray inspection apparatus, and two ends of the ray beam guiding device are connected to a front collimator and a rear collimator, respectively. The ray beam guiding device comprises a plurality of guiding walls and a guiding cavity surrounded by the guiding walls. The guiding wall is formed of a first material which is capable of absorbing rays or the first material is coated on an inside of the guiding wall, and the guiding cavity has a central axis extending in a direction from the rear collimator to the front collimator, and the ray beam guiding device further comprises at least one fin plate provided in the guiding cavity of the ray beam guiding device. The at least one fin plate is configured for blocking and/or absorbing scattered rays.Type: GrantFiled: July 12, 2016Date of Patent: October 15, 2019Assignees: Nuctech Company Limited, Nuctech Jiangsu Company LimitedInventors: Zhiqiang Chen, Yuanjing Li, Ziran Zhao, Wanlong Wu, Junli Li, Ming Ruan, Guangwei Ding
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Publication number: 20190277999Abstract: 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.Type: ApplicationFiled: March 8, 2019Publication date: September 12, 2019Inventors: Zhiqiang CHEN, Ziran ZHAO, Yuanjing LI, Xilei LUO, Yingkang JIN, Zhimin ZHENG, Wanlong WU, Lingbo QIAO, Wenguo LIU
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Patent number: 10371854Abstract: 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.Type: GrantFiled: August 5, 2016Date of Patent: August 6, 2019Assignees: NUCTECH COMPANY LIMITED, NUCTECH JIANGSU COMPANY LIMITEDInventors: Ziran Zhao, Zhiqiang Chen, Wanlong Wu, Li Zhang, Yingkang Jin, Ming Ruan
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Publication number: 20190180398Abstract: 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: ApplicationFiled: July 31, 2017Publication date: June 13, 2019Inventors: Zhiqiang Chen, Ziran Zhao, Wanlong Wu, Yingkang Jin, Xianli Ding, Jiao Long, Zongjun Shen, Zheng Li
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Patent number: 10218082Abstract: 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.Type: GrantFiled: April 7, 2014Date of Patent: February 26, 2019Assignees: Nuctech Company Limited, Tsinghua UniversityInventors: Ziran Zhao, Zhiqiang Chen, Yuanjing Li, Wanlong Wu, Yinong Liu, Jieqing Yang, Wenguo Liu, Bin Sang, Lei Zheng
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Publication number: 20180308602Abstract: The present invention provides a ray beam guiding device for guiding a ray beam in a ray inspection apparatus. The ray beam guiding device is provided in a housing of the ray inspection apparatus, and two ends of the ray beam guiding device are connected to a front collimator and a rear collimator, respectively. The ray beam guiding device comprises a plurality of guiding walls and a guiding cavity surrounded by the guiding walls. The guiding wall is formed of a first material which is capable of absorbing rays or the first material is coated on an inside of the guiding wall, and the guiding cavity has a central axis extending in a direction from the rear collimator to the front collimator, and the ray beam guiding device further comprises at least one fin plate provided in the guiding cavity of the ray beam guiding device. The at least one fin plate is configured for blocking and/or absorbing scattered rays.Type: ApplicationFiled: July 12, 2016Publication date: October 25, 2018Inventors: Zhiqiang Chen, Yuanjing Li, Ziran Zhao, Wanlong Wu, Junli Li, Ming Ruan, Guangwei Ding
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Patent number: 10107903Abstract: The present disclosure provides a human body security inspection apparatus, comprising: a base on which an inspected human stands; a millimeter-wave transceiver configured to perform a millimeter-wave scanning operation on the body of the inspected human standing on the base so as to detect whether or not the inspected human carries contraband and output a first signal; and a metal sensing detector arranged within the base and configured to detect whether or not there is a metallic foreign object in underside of a shoe of the inspected human and output a second signal.Type: GrantFiled: December 3, 2015Date of Patent: October 23, 2018Assignees: NUCTECH COMPANY LIMITED, TSINGHUA UNIVERSITYInventors: Zhiqiang Chen, Ziran Zhao, Wanlong Wu, Lin Yang, Yingkang Jin, Ming Ruan, Chengcong Xu
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Publication number: 20180292333Abstract: Embodiments of the present disclosure provide a collimating device and a ray inspection device. The collimating device comprises: a beam guiding cylinder, a first collimator mounted at an inlet end of the beam guiding cylinder; a second collimator mounted an outlet end of the beam guiding cylinder; a beam guiding cylinder adjusting device disposed adjacent to the inlet of the beam guiding cylinder to adjust a direction of the beam guiding cylinder such that the first collimator is aligned with the first direction. The outlet end of the beam guiding cylinder is fixed to the frame and the second collimator is aligned with an object to be irradiated by a radiation beam, and the beam guiding cylinder is configured to have flexibility to allow the adjusting device to adjust a direction towards which the inlet end of the beam guiding cylinder is directed, in a direction transverse to the first direction.Type: ApplicationFiled: May 19, 2016Publication date: October 11, 2018Inventors: Zhiqiang Chen, Wanlong Wu, Ziran Zhao, Guangwei Ding, Ming Ruan, Xilei Luo
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Publication number: 20180173161Abstract: 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: ApplicationFiled: August 19, 2016Publication date: June 21, 2018Inventors: Zhiqiang Chen, Yuanjing Li, Ziran Zhao, Wanlong Wu, Zongjun Shen, Li Zhang, Yinong Liu, Yingkang Jin, Wentao Yu