Patents by Inventor Jinsong Pan

Jinsong Pan 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: 11830698
    Abstract: A power supply circuit and a field emission electron source are provided. The power supply circuit includes: field effect transistors Si coupled in series via drains and sources in sequence, 1?i?n, i and n are natural numbers, n?2, and a source of S1 is coupled to a negative electrode of a voltage source, and a drain of Sn is used as an output terminal of the power supply circuit to couple to a load; a first group of diodes D1i coupled in series; a first group of resistors R1j, 2?j?n, and i and j are natural numbers; and a voltage control module configured to adjust an output voltage of the voltage source to cause a current passing through the load to be constant; the field effect transistors Si, 1?i?n, operate in a resistive region.
    Type: Grant
    Filed: April 17, 2020
    Date of Patent: November 28, 2023
    Assignee: NuRay Technology Co., Ltd.
    Inventors: Huaping Tang, Xiangyu Yin, Zhanfeng Qin, Jinsong Pan, Qinghui Zhang, Yangwei Zhan
  • Patent number: 11792908
    Abstract: A time-division multiplexing control device applied to a distributed X-ray source includes: a first switch module with a number of first switches that receive a high-voltage signal and a first control signal, selectively turning on one of the plurality of first switches according to the first control signal and sending the high-voltage signal through the first switch turned on; and a cathode control module including a plurality of cathode control stages in one-to-one correspondence with the plurality of first switches, used for receiving the high-voltage signal from the first switch module and sending working state data through a cathode control stage corresponding to the first switch turned on in the plurality of cathode control stages, where each cathode control stage includes a cathode control unit and a cathode.
    Type: Grant
    Filed: April 13, 2020
    Date of Patent: October 17, 2023
    Assignee: NuRay Technology Co., Ltd.
    Inventors: Huaping Tang, Jinsong Pan, Yangwei Zhan, Zhanfeng Qin, Qinghui Zhang, Xiangyu Yin
  • Publication number: 20230036712
    Abstract: A power supply circuit and a field emission electron source are provided. The power supply circuit includes: field effect transistors Si coupled in series via drains and sources in sequence, wherein 1?i?n, n?2, and wherein a source of S1 is coupled to a negative electrode of a voltage source, and a drain of Sn is used as an output terminal of the power supply circuit to couple to a load; a first group of diodes D1i coupled in series; a first group of resistors R1j, 2?j?n; and a current feedback module configured to adjust an internal resistance of the field effect transistors Si, coupled in series in sequence, so as to cause a current passing through the load to be constant; wherein the field effect transistors Si, 1?i?n, operate in a constant current region.
    Type: Application
    Filed: April 17, 2020
    Publication date: February 2, 2023
    Applicant: NuRay Technology Co., Ltd.
    Inventors: Huaping TANG, Jinsong PAN, Zhanfeng QIN, Xiangyu YIN, Yangwei ZHAN
  • Publication number: 20220384135
    Abstract: A time-division multiplexing control device applied to a distributed X-ray source includes: a first switch module with a number of first switches that receive a high-voltage signal and a first control signal, selectively turning on one of the plurality of first switches according to the first control signal and sending the high-voltage signal through the first switch turned on; and a cathode control module including a plurality of cathode control stages in one-to-one correspondence with the plurality of first switches, used for receiving the high-voltage signal from the first switch module and sending working state data through a cathode control stage corresponding to the first switch turned on in the plurality of cathode control stages, where each cathode control stage includes a cathode control unit and a cathode.
    Type: Application
    Filed: April 13, 2020
    Publication date: December 1, 2022
    Inventors: Huaping TANG, Jinsong PAN, Yangwei ZHAN, Zhanfeng QIN, Qinghui ZHANG, Xiangyu YIN
  • Publication number: 20220375710
    Abstract: A power supply circuit and a field emission electron source are provided. The power supply circuit includes: field effect transistors Si coupled in series via drains and sources in sequence, 1?i?n, i and n are natural numbers, n?2, and a source of S1 is coupled to a negative electrode of a voltage source, and a drain of Sn is used as an output terminal of the power supply circuit to couple to a load; a first group of diodes D1i coupled in series; a first group of resistors R1j, 2?j?n, and i and j are natural numbers; and a voltage control module configured to adjust an output voltage of the voltage source to cause a current passing through the load to be constant; the field effect transistors Si, 1?i?n, operate in a resistive region.
    Type: Application
    Filed: April 17, 2020
    Publication date: November 24, 2022
    Applicant: NuRay Technology Co., Ltd.
    Inventors: Huaping TANG, Xiangyu YIN, Zhanfeng QIN, Jinsong PAN, Qinghui ZHANG, Yangwei ZHAN
  • Patent number: 11026319
    Abstract: Embodiments of the present disclosure disclose a multi-output high-voltage power supply including a channel selection circuit (103) including a plurality of switches; and a high-voltage power supply module (101) connected to the channel selection circuit (103), wherein the high-voltage power supply module (101) includes a fine adjusting power supply component (110) and a plurality of coarse adjusting power supply components (120-1 to 120-N) connected in series, wherein one high-voltage output terminal of the high-voltage power supply module (101) is connected to a common terminal of the channel selection circuit (103), and the other high-voltage output terminal of the high-voltage power supply module (101) is grounded through a current sampling resistor.
    Type: Grant
    Filed: December 26, 2019
    Date of Patent: June 1, 2021
    Assignees: Tsinghua University, NUCTECH COMPANY LIMITED, NuRay Technology Co., Ltd
    Inventors: Yuanjing Li, Yaohong Liu, Huaping Tang, Jinsheng Liu, Xiying Liu, Zhanfeng Qin, Wei Jia, Jinsong Pan
  • Publication number: 20200253033
    Abstract: Embodiments of the present disclosure disclose a multi-output high-voltage power supply including a channel selection circuit (103) including a plurality of switches; and a high-voltage power supply module (101) connected to the channel selection circuit (103), wherein the high-voltage power supply module (101) includes a fine adjusting power supply component (110) and a plurality of coarse adjusting power supply components (120-1 to 120-N) connected in series, wherein one high-voltage output terminal of the high-voltage power supply module (101) is connected to a common terminal of the channel selection circuit (103), and the other high-voltage output terminal of the high-voltage power supply module (101) is grounded through a current sampling resistor.
    Type: Application
    Filed: December 26, 2019
    Publication date: August 6, 2020
    Applicants: Tsinghua University, NUCTECH COMPANY LIMITED, NuRay Technology Co., Ltd
    Inventors: Yuanjing LI, Yaohong LIU, Huaping TANG, Jinsheng LIU, Xiying LIU, Zhanfeng QIN, Wei JIA, Jinsong PAN
  • Patent number: 9187491
    Abstract: Gambogenic acid derivatives having a structure shown as Formula (I) or (II), salts, preparation method and application thereof in the treatment of tumor. Compared with gambogenic acid, the gambogenic acid derivatives exhibit more potent anti-tumor activities.
    Type: Grant
    Filed: September 28, 2012
    Date of Patent: November 17, 2015
    Assignee: Ninth People's Hospital, School Medicine Shanghai Jiao Tong University
    Inventors: Wantao Chen, Xu Wang, Zhiyuan Zhang, Chenping Zhang, Li Mao, Ping Zhang, Qin Xu, Ming Yan, Jianjun Zhang, Jinsong Pan, Yan Lv, Rongxin Deng, Weiliu Qiu
  • Publication number: 20140309418
    Abstract: Gambogenic acid derivatives having a structure shown as Formula (I) or (II), salts, preparation method and application thereof in the treatment of tumor. Compared with gambogenic acid, the gambogenic acid derivatives exhibit more potent anti-tumor activities.
    Type: Application
    Filed: September 28, 2012
    Publication date: October 16, 2014
    Inventors: Wantao Chen, Xu Wang, Zhiyuan Zhang, Chenping Zhang, Li Mao, Ping Zhang, Qin Xu, Ming Yan, Jianjun Zhang, Jinsong Pan, Yan Lv, Rongxin Deng, Weiliu Qiu