Patents by Inventor Dahai JING

Dahai JING 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).

  • Device and method for detecting flatness of sheet material
    Patent number: 11891261
    Abstract: A device for detecting the flatness of a sheet material includes a conveyor, a gantry, a beam, an industrial camera unit, a speed measurement unit, a vibration measurement unit, a multi-line laser, a cable carrier, an industrial controller, and a control cabinet. The conveyor is disposed beneath the gantry and includes a plurality of pinch roll assemblies for feeding a sheet material. The beam is disposed on the gantry and includes a first side and a second side. The industrial camera unit is disposed on the first side of the beam and includes at least two industrial cameras. The speed measurement unit is disposed between the at least two industrial cameras. The vibration measurement unit is disposed on the second side of the beam and includes at least two distance measurement devices. The multi-line laser is disposed between the at least two distance measurement devices.
    Type: Grant
    Filed: December 31, 2020
    Date of Patent: February 6, 2024
    Assignee: TAIYUAN UNIVERSITY OF SCIENCE AND TECHNOLOGY
    Inventors: Lifeng Ma, Ziliang Li, Qingxue Huang, Tao Wang, Dahai Jing, Rongjun Wang, Lianyun Jiang
  • DEVICE AND METHOD FOR DETECTING FLATNESS OF SHEET MATERIAL
    Publication number: 20210198075
    Abstract: A device for detecting the flatness of a sheet material includes a conveyor, a gantry, a beam, an industrial camera unit, a speed measurement unit, a vibration measurement unit, a multi-line laser, a cable carrier, an industrial controller, and a control cabinet. The conveyor is disposed beneath the gantry and includes a plurality of pinch roll assemblies for feeding a sheet material. The beam is disposed on the gantry and includes a first side and a second side. The industrial camera unit is disposed on the first side of the beam and includes at least two industrial cameras. The speed measurement unit is disposed between the at least two industrial cameras. The vibration measurement unit is disposed on the second side of the beam and includes at least two distance measurement devices. The multi-line laser is disposed between the at least two distance measurement devices.
    Type: Application
    Filed: December 31, 2020
    Publication date: July 1, 2021
    Inventors: Lifeng MA, Ziliang LI, Qingxue HUANG, Tao WANG, Dahai JING, Rongjun WANG, Lianyun JIANG