Patents by Inventor Zhiling Qin

Zhiling 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).

  • Patent number: 12158371
    Abstract: A method of calibrating a digital scale includes the steps of: (101) acquiring a first AD conversion value by the digital scale, the first AD conversion value corresponding to a weight of a reference object gathered before calibration; (102) acquiring a second AD conversion value by the digital scale, the second AD conversion value corresponding to a value when the digital scale has a weight reading of 0; (103) acquiring a target weight of a reference object; and (104) ascertaining a target AD conversion value per unit weight by reference to the first AD conversion value, the second AD conversion value and the target weight of the reference object, the target AD conversion value per unit weight being arranged to measure a weight of an object by the digital scale after calibration.
    Type: Grant
    Filed: December 29, 2021
    Date of Patent: December 3, 2024
    Inventors: Zhiling Qin, Tingfeng Chen, Lei Zhang
  • Publication number: 20220205834
    Abstract: A method of calibrating a digital scale includes the steps of: (101) acquiring a first AD conversion value by the digital scale, the first AD conversion value corresponding to a weight of a reference object gathered before calibration; (102) acquiring a second AD conversion value by the digital scale, the second AD conversion value corresponding to a value when the digital scale has a weight reading of 0; (103) acquiring a target weight of a reference object; and (104) ascertaining a target AD conversion value per unit weight by reference to the first AD conversion value, the second AD conversion value and the target weight of the reference object, the target AD conversion value per unit weight being arranged to measure a weight of an object by the digital scale after calibration.
    Type: Application
    Filed: December 29, 2021
    Publication date: June 30, 2022
    Inventors: Zhiling QIN, Tingfeng CHEN, Lei ZHANG
  • Patent number: D944670
    Type: Grant
    Filed: May 13, 2020
    Date of Patent: March 1, 2022
    Inventors: Zhiling Qin, Shipin Qin