Patents by Inventor Yunjiong QIN

Yunjiong QIN 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).

  • Automatic search method for a structural mode signal of a chipless RFID tag
    Patent number: 11295096
    Abstract: The proposed invention discloses an automatic search method for a structural mode signal of a chipless RFID tag. A reference plane, a target to be tested, a reader antenna and a reader are set in space. The target to be tested is located within the reading range of the reader antenna. The distance difference between the tag and the reference plane, to the antenna, is measured by using the phenomenon of the backscattered signals of the tag and the reference plane interfering in space, to obtain the distance between the tag and the antenna. The time period for extracting the antenna mode of the tag may maximize the use of the antenna mode signal, thereby enhancing the accuracy of reading the tag.
    Type: Grant
    Filed: November 5, 2018
    Date of Patent: April 5, 2022
    Assignee: SOUTH CHINA UNIVERSITY OF TECHNOLOGY
    Inventors: Xiongying Liu, Nuanfeng Zhang, Tianhai Chang, Yi Fan, Yunjiong Qin
  • An Automatic Search Method for a Structural Mode Signal of a Chipless RFID Tag
    Publication number: 20210248329
    Abstract: The proposed invention discloses an automatic search method for a structural mode signal of a chipless RFID tag. A reference plane, a target to be tested, a reader antenna and a reader are set in space. The target to be tested is located within the reading range of the reader antenna. The distance difference between the tag and the reference plane, to the antenna, is measured by using the phenomenon of the backscattered signals of the tag and the reference plane interfering in space, to obtain the distance between the tag and the antenna. The time period for extracting the antenna mode of the tag may maximize the use of the antenna mode signal, thereby enhancing the accuracy of reading the tag.
    Type: Application
    Filed: November 5, 2018
    Publication date: August 12, 2021
    Applicant: South China University of Technology
    Inventors: Xiongying LIU, Nuanfeng ZHANG, Tianhai CHANG, Yi FAN, Yunjiong QIN