Patents by Inventor Wenhui HUANG

Wenhui HUANG 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).

  • Publication number: 20190278707
    Abstract: A method and apparatus are disclosed to perform the circular addressing to emulate a virtually unlimited memory space despite the fixed capacity of a physical memory by readdressing the portion of the data that exceeds the pre-defined length of the circular addressing region to another pre-defined address in the circular addressing region. Data segments in a data sample can be loaded and computed with recalculated circular addresses for different applications.
    Type: Application
    Filed: March 12, 2018
    Publication date: September 12, 2019
    Applicant: Beijing Horizon Information Technology Co., Ltd.
    Inventors: Delin Li, Zhenjiang Wang, Wenhui Cao, Kun Lin, Liang Chen, Jianjun Li, Chang Huang
  • Publication number: 20180190464
    Abstract: An electron gun, an X-ray source and a CT device are provided. The electron gun includes a body having a first end portion and a second end portion opposite to each other, wherein the first end portion is a connecting end portion; an internal cavity is formed in the body and has an opening positioned on the second end portion,d a cathode, a grid, a compensation electrode and a focus electrode, orderly arranged in the internal cavity in a direction from the first end portion to the second end portion.
    Type: Application
    Filed: December 28, 2017
    Publication date: July 5, 2018
    Inventors: Wenhui HUANG, Dongsheng ZHANG, Qingxiu JIN, Chengjun TAN, Donghai LIU, Qun LUO, Chuanxiang TANG
  • Publication number: 20180190465
    Abstract: A cathode assembly, an X-ray source and a CT device are provided. The cathode assembly includes a ceramic plug having a first and second end portions. Four wiring terminals and a protruding positioning part are provided on the first end portion. An internal cavity is formed in the ceramic plug, and a cathode is provided therein. The cathode has a filament with a positive and negative electrode leads. A grid is provided on the second end portion and has a grid voltage signal line. The cathode has a cathode surface lead. The positive electrode lead, the negative electrode lead, the grid voltage signal line and the cathode surface lead are electrically connected to one of the wiring terminals, respectively. The ceramic socket has four wiring tubes which may be electrically connected with the four wiring terminals.
    Type: Application
    Filed: December 28, 2017
    Publication date: July 5, 2018
    Inventors: Wenhui HUANG, Dongsheng ZHANG, Qingxiu JIN, Chengjun TAN, Donghai LIU, Qun LUO, Chuanxiang TANG
  • Patent number: 9780426
    Abstract: The present disclosure relates to a phase shifter, an accelerator, and an operating method therefor. The phase shifter comprises a rotating part having a first hollow structure, the first hollow structure having a first cavity, a distance between a circumference of the cross section of the first cavity and a rotation center of the rotating part changing periodically and continuously in a peripheral direction, such that when the rotatory part rotates, a phase shift occurs between two adjacent microwave pulses at an outlet of the phase shifter. The operating method comprises transmitting a microwave pulse within the accelerator at a repetitive frequency v Hertz; the driving devices drives the rotating part to rotate at a rotation speed of n RPM, wherein n=15v*m, m is an odd number, 1, 3, 5 . . . , such that when transmitting a microwave pulse each time, the long axis of the oval cross section of the first cavity of the rotatory part is rotated to a horizontal or vertical state.
    Type: Grant
    Filed: September 29, 2016
    Date of Patent: October 3, 2017
    Assignees: TSINGHUA UNIVERSITY, NUCTECH COMPANY LIMITED
    Inventors: Kejun Kang, Jiaru Shi, Ping Wang, Chuanxiang Tang, Huaibi Chen, Yaohong Liu, Xinshui Yan, Wenhui Huang
  • Patent number: 9761404
    Abstract: A x-ray apparatus of the present application comprises: a vacuum box which is sealed at its periphery, and the interior thereof is high vacuum; a plurality of electron transmitting units arranged in a linear array and installed on the wall at one end within the vacuum box, each electron transmitting unit is independent to each other; the electron transmitting unit having: a heating filament; a cathode connected to the heating filament; a grid arranged above the cathode opposing the cathode; anode made of metal and installed at the other end of the vacuum box, and in the direction of length, the anode is parallel to the plane of the grid of the electron transmitting unit, and in the direction of width, the anode has a predetermined angle with respect to the plane of the grid of the electron transmitting unit.
    Type: Grant
    Filed: September 18, 2014
    Date of Patent: September 12, 2017
    Assignees: Tsinghua University, Nuctech Company Limited
    Inventors: Chuanxiang Tang, Huaping Tang, Huaibi Chen, Wenhui Huang, Huayi Zhang, Shuxin Zheng, Yaohong Liu, Jinsheng Liu
  • Patent number: 9734979
    Abstract: The present application provides a curved surface array distributed x-ray apparatus, characterized in that, it comprises: a vacuum box which is sealed at its periphery, and the interior thereof is high vacuum; a plurality of electron transmitting units arranged on the wall of the vacuum box in multiple rows along the direction of the axis of the curved surface in the curved surface facing the axis; an anode made of metal and arranged in the axis in the vacuum box which comprises an anode pipe and an anode target surface; a power supply and control system having a high voltage power supply connected to the anode, a filament power supply connected to each of the plurality of the electron transmitting units, a grid-controlled apparatus connected to each of the plurality of electron transmitting units, a control system for controlling each power supply.
    Type: Grant
    Filed: September 18, 2014
    Date of Patent: August 15, 2017
    Assignees: Nuctech Company Limited, Tsinghua University
    Inventors: Huaping Tang, Chuanxiang Tang, Huaibi Chen, Wenhui Huang, Shuxin Zheng, Huayi Zhang, Yaohong Liu
  • Publication number: 20170187085
    Abstract: The present disclosure relates to a phase shifter, an accelerator, and an operating method therefor. The phase shifter comprises a rotating part having a first hollow structure, the first hollow structure having a first cavity, a distance between a circumference of the cross section of the first cavity and a rotation center of the rotating part changing periodically and continuously in a peripheral direction, such that when the rotatory part rotates, a phase shift occurs between two adjacent microwave pulses at an outlet of the phase shifter. The operating method comprises transmitting a microwave pulse within the accelerator at a repetitive frequency v Hertz; the driving devices drives the rotating part to rotate at a rotation speed of n RPM, wherein n=15v*m, m is an odd number, 1, 3, 5 . . . , such that when transmitting a microwave pulse each time, the long axis of the oval cross section of the first cavity of the rotatory part is rotated to a horizontal or vertical state.
    Type: Application
    Filed: September 29, 2016
    Publication date: June 29, 2017
    Inventors: Kejun Kang, Jiaru Shi, Ping Wang, Chuanxiang Tang, Huaibi Chen, Yaohong Liu, Xinshui Yan, Wenhui Huang
  • Patent number: 9653251
    Abstract: The present application provides an external thermionic cathode distributed x-ray apparatus, including a vacuum box which is sealed at its periphery, where the interior thereof is high vacuum; a plurality of electron transmitting units arranged in a linear array and installed on the side wall of the vacuum box, where each electron transmitting unit is independent to each other; an anode installed in the center inside the vacuum box, where in the direction of length, the anode is parallel to the orientation of the electron transmitting unit, and in the direction of width, the anode has a predetermined angle with respect to the plane of the electron transmitting unit; a power supply and control system having a high voltage power supply and a focusing power supply; and a transmitting control means and a control system.
    Type: Grant
    Filed: September 18, 2014
    Date of Patent: May 16, 2017
    Assignees: Temple University, Nuctech Company Limited
    Inventors: Chuanxiang Tang, Huaping Tang, Huaibi Chen, Wenhui Huang, Huayi Zhang, Shuxin Zheng
  • Patent number: 9653247
    Abstract: A two dimensional array distributed x-ray apparatus of this disclosure includes: a vacuum box which is sealed at its periphery, where the interior thereof is high vacuum; a plurality of electron transmitting units arranged in one plane in a two dimensional array on the wall of the vacuum box; an anode having targets corresponding to the plurality electron transmitting unit arranged in parallel with the plane of the plurality of electron transmitting units in the vacuum box; a power supply and control system having a high voltage power supply connected to the anode, a filament power supply connected to each of the plurality of the electron transmitting units, and a grid-controlled apparatus connected to each of the plurality of electron transmitting units; and a control system for controlling each power supply.
    Type: Grant
    Filed: September 18, 2014
    Date of Patent: May 16, 2017
    Assignees: Nuctech Company Limited, Tsinghua University
    Inventors: Huaping Tang, Chuanxiang Tang, Huaibi Chen, Wenhui Huang, Huayi Zhang, Shuxin Zheng, Jinsheng Liu
  • Patent number: 9508525
    Abstract: An apparatus and a method are for generating a flattening x-ray radiation field. The apparatus includes: plurality of electron accelerators for generating high-energy electron beam current; and a common target unit including a vacuum target chamber, a target and plurality of input connectors. The plurality of input connectors are connected to one side of the vacuum target chamber and the target is installed at the other side of the vacuum target chamber opposing the plurality of input connectors, the axes of which intersect in pairs at one point in an predetermined included angle. The plurality of electron accelerators are connected to the plurality of input connectors.
    Type: Grant
    Filed: September 23, 2014
    Date of Patent: November 29, 2016
    Assignees: NUCTECH COMPANY LIMITED, Tsinghua University
    Inventors: Kejun Kang, Chuanxiang Tang, Huaping Tang, Huaibi Chen, Wenhui Huang
  • Patent number: 9491842
    Abstract: The present disclosure discloses a method for controlling a standing wave accelerator and a system thereof. The method comprises: generating, by an electron gun, an electron beam; injecting the electron beam into an accelerating tube; and controlling a microwave power source to generate and input microwave with different frequencies into the accelerating tube, so that the accelerating tube switches between different resonant modes at a predetermined frequency to generate electron beams with corresponding energy. According to the above solution, it only needs to change the output frequency of the microwave power source in the process of adjusting energy, without making any change to the accelerating structure per se. Therefore, the method is easy to operate. In addition, the structure of the accelerating tube in the above system is simple, without adding a particular regulation apparatus.
    Type: Grant
    Filed: September 16, 2014
    Date of Patent: November 8, 2016
    Assignees: Nuctech Company Limited, Tsinghua University
    Inventors: Huaibi Chen, Jianping Cheng, Shuxin Zheng, Jiaru Shi, Chuanxiang Tang, Qingxiu Jin, Wenhui Huang, Yuzheng Lin, Dechun Tong, Shi Wang
  • Patent number: 9426877
    Abstract: A standing wave electron linear accelerating apparatus and a method thereof are disclosed. The apparatus comprises an electron gun configured to generate electron beams; a pulse power source configured to provide a primary pulse power signal; a power divider coupled downstream from the pulse power source and configured to divide the primary pulse power signal outputted from the pulse power source into a first pulse power signal and a second pulse power signal; a first accelerating tube configured to accelerating the electron beams with the first pulse power signal; a second accelerating tube configured to accelerate the electron beams with the second pulse power signal; a phase shifter configured to continuously adjust a phase difference between the first pulse power signal and the second pulse power signal so as to generate accelerated electron beams with continuously adjustable energy at output of the second accelerating tube.
    Type: Grant
    Filed: December 20, 2013
    Date of Patent: August 23, 2016
    Assignees: Tsinghua University, Nuctech Company Limited
    Inventors: Chuanxiang Tang, Zhe Zhang, Qingxiu Jin, Jiaru Shi, Huaibi Chen, Wenhui Huang, Shuxin Zheng, Yaohong Liu
  • Patent number: 9148944
    Abstract: The present disclosure discloses an electron linear accelerator system. In the present disclosure, a fast-switching dual-path microwave system is proposed, wherein, one path can be directly connected to an accelerating tube, and the other path can be input into the accelerating tube after a magnitude of the microwave power is changed by devices such as an attenuator, a power divider, a pulse compressor or even an amplifier etc., so as to achieve fast switch of the power input into the accelerator and adjust the energy output by the accelerator.
    Type: Grant
    Filed: September 16, 2014
    Date of Patent: September 29, 2015
    Assignees: Nuctech Company Limited, Tsinghua University
    Inventors: Chuanxiang Tang, Jiaru Shi, Qingxiu Jin, Huaibi Chen, Wenhui Huang
  • Publication number: 20150084550
    Abstract: The present disclosure discloses an electron linear accelerator system. In the present disclosure, a fast-switching dual-path microwave system is proposed, wherein, one path can be directly connected to an accelerating tube, and the other path can be input into the accelerating tube after a magnitude of the microwave power is changed by devices such as an attenuator, a power divider, a pulse compressor or even an amplifier etc., so as to achieve fast switch of the power input into the accelerator and adjust the energy output by the accelerator.
    Type: Application
    Filed: September 16, 2014
    Publication date: March 26, 2015
    Inventors: Chuanxiang TANG, Jiaru SHI, Qingxiu JIN, Huaibi CHEN, Wenhui HUANG
  • Publication number: 20150084549
    Abstract: The present disclosure discloses a method for controlling a standing wave accelerator and a system thereof. The method comprises: generating, by an electron gun, an electron beam; injecting the electron beam into an accelerating tube; and controlling a microwave power source to generate and input microwave with different frequencies into the accelerating tube, so that the accelerating tube switches between different resonant modes at a predetermined frequency to generate electron beams with corresponding energy. According to the above solution, it only needs to change the output frequency of the microwave power source in the process of adjusting energy, without making any change to the accelerating structure per se. Therefore, the method is easy to operate. In addition, the structure of the accelerating tube in the above system is simple, without adding a particular regulation apparatus.
    Type: Application
    Filed: September 16, 2014
    Publication date: March 26, 2015
    Inventors: Huaibi CHEN, Jianping CHENG, Shuxin ZHENG, Jiaru SHI, Chuanxiang TANG, Qingxiu JIN, Wenhui HUANG, Yuzheng LIN, Dechun TONG, Shi WANG
  • Publication number: 20150085989
    Abstract: An apparatus and a method are for generating a flattening x-ray radiation field. The apparatus includes: plurality of electron accelerators for generating high-energy electron beam current; and a common target unit including a vacuum target chamber, a target and plurality of input connectors. The plurality of input connectors are connected to one side of the vacuum target chamber and the target is installed at the other side of the vacuum target chamber opposing the plurality of input connectors, the axes of which intersect in pairs at one point in an predetermined included angle. The plurality of electron accelerators are connected to the plurality of input connectors.
    Type: Application
    Filed: September 23, 2014
    Publication date: March 26, 2015
    Inventors: Kejun Kang, Chuanxiang Tang, Huaping Tang, Huaibi Chen, Wenhui Huang
  • Publication number: 20150078532
    Abstract: The present application provides an external thermionic cathode distributed x-ray apparatus, comprises: a vacuum box which is sealed at its periphery, and the interior thereof is high vacuum; a plurality of electron transmitting units arranged in a linear array and installed on the side wall of the vacuum box, each electron transmitting unit is independent to each other; an anode installed in the center inside the vacuum box, and in the direction of length, the anode is parallel to the orientation of the electron transmitting unit, and in the direction of width, the anode has a predetermined angle with respect to the plane of the electron transmitting unit; and a power supply and control system having a high voltage power supply, a focusing power supply; a transmitting control means and a control system; the electron transmitting unit having: a heating filament; a cathode connected to the heating filament; an insulated support enclosing the heating filament and the cathode; a focusing electrode, arranged at t
    Type: Application
    Filed: September 18, 2014
    Publication date: March 19, 2015
    Inventors: Chuanxiang TANG, Huaping TANG, Huaibi CHEN, Wenhui HUANG, Huayi ZHANG, Shuxin ZHENG
  • Publication number: 20150078511
    Abstract: A x-ray apparatus of the present application comprises: a vacuum box which is sealed at its periphery, and the interior thereof is high vacuum; a plurality of electron transmitting units arranged in a linear array and installed on the wall at one end within the vacuum box, each electron transmitting unit is independent to each other; the electron transmitting unit having: a heating filament; a cathode connected to the heating filament; a grid arranged above the cathode opposing the cathode; anode made of metal and installed at the other end of the vacuum box, and in the direction of length, the anode is parallel to the plane of the grid of the electron transmitting unit, and in the direction of width, the anode has a predetermined angle with respect to the plane of the grid of the electron transmitting unit.
    Type: Application
    Filed: September 18, 2014
    Publication date: March 19, 2015
    Inventors: Chuanxiang TANG, Huaping TANG, Huaibi CHEN, Wenhui HUANG, Huayi ZHANG, Shuxin ZHENG, Yaohong LIU, Jinsheng LIU
  • Publication number: 20150078509
    Abstract: A two dimensional array distributed x-ray apparatus of this disclosure comprises: a vacuum box which is sealed at its periphery, and the interior thereof is high vacuum; a plurality of electron transmitting units arranged in one plane in a two dimensional array on the wall of the vacuum box; an anode having targets corresponding to the plurality electron transmitting unit arranged in parallel with the plane of the plurality of electron transmitting units in the vacuum box; a power supply and control system having a high voltage power supply connected to the anode, a filament power supply connected to each of the plurality of the electron transmitting units, a grid-controlled apparatus connected to each of the plurality of electron transmitting units, a control system for controlling each power supply; wherein the anode comprises: an anode plate made of metal and parallel to the upper surface of the electron transmitting unit; a plurality of targets arranged on the anode plate and disposed corresponding to the
    Type: Application
    Filed: September 18, 2014
    Publication date: March 19, 2015
    Inventors: Huaping TANG, Chuanxiang TANG, Huaibi CHEN, Wenhui HUANG, Huayi ZHANG, Shuxin ZHENG, Jinsheng LIU
  • Publication number: 20150078510
    Abstract: The present application provides a curved surface array distributed x-ray apparatus, characterized in that, it comprises: a vacuum box which is sealed at its periphery, and the interior thereof is high vacuum; a plurality of electron transmitting units arranged on the wall of the vacuum box in multiple rows along the direction of the axis of the curved surface in the curved surface facing the axis; an anode made of metal and arranged in the axis in the vacuum box which comprises an anode pipe and an anode target surface; a power supply and control system having a high voltage power supply connected to the anode, a filament power supply connected to each of the plurality of the electron transmitting units, a grid-controlled apparatus connected to each of the plurality of electron transmitting units, a control system for controlling each power supply.
    Type: Application
    Filed: September 18, 2014
    Publication date: March 19, 2015
    Inventors: Huaping TANG, Chuanxiang TANG, Huaibi CHEN, Wenhui HUANG, Shuxin ZHENG, Huayi ZHANG, Yaohong LIU