Patents by Inventor Qiukun ZHANG

Qiukun ZHANG 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).

  • Apparatus and method for measuring rotational speed of rotary shaft based on variable density sinusoidal fringe
    Patent number: 11579162
    Abstract: The present invention provides a shaft rotational speed measurement device and method based on variable density sinusoidal fringe pattern. The device comprises a variable density sinusoidal fringe pattern sensor, a high speed image acquisition and transmission module, a computer, and an image processing software module.
    Type: Grant
    Filed: November 6, 2017
    Date of Patent: February 14, 2023
    Assignee: FU ZHOU UNIVERSITY
    Inventors: Shuncong Zhong, Jianfeng Zhong, Qiukun Zhang
  • APPARATUS AND METHOD FOR MEASURING ROTATIONAL SPEED OF ROTARY SHAFT BASED ON VARIABLE DENSITY SINUSOIDAL FRINGE
    Publication number: 20190041420
    Abstract: The present invention provides a shaft rotational speed measurement device and method based on variable density sinusoidal fringe pattern. The device comprises a variable density sinusoidal fringe pattern sensor, a high speed image acquisition and transmission module, a computer, and an image processing software module.
    Type: Application
    Filed: November 6, 2017
    Publication date: February 7, 2019
    Applicant: FU ZHOU UNIVERSITY
    Inventors: Shuncong ZHONG, Jianfeng ZHONG, Qiukun ZHANG