Patents by Inventor Peng-Jian Yang

Peng-Jian Yang 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: 11847799
    Abstract: Automation of the comparison of the colors of small surfaces of products. In one embodiment, color differences are measured rather than an absolute color value. An apparatus is provided for capturing color images of a portion of a product or part to provide a sample product image. The sample image is compared to an image of a standard product obtained under the same conditions with the same apparatus. The color difference is measured to determine when it is in a predetermined range.
    Type: Grant
    Filed: February 28, 2022
    Date of Patent: December 19, 2023
    Assignee: Logitech Europe S.A.
    Inventors: Peng-Jian Yang, Shang-Yu Yu, Yi-Hsieh Wang, Ko Chun Lin, Zhaoyan Han
  • Publication number: 20230274463
    Abstract: Automation of the comparison of the colors of small surfaces of products. In one embodiment, color differences are measured rather than an absolute color value. An apparatus is provided for capturing color images of a portion of a product or part to provide a sample product image. The sample image is compared to an image of a standard product obtained under the same conditions with the same apparatus. The color difference is measured to determine when it is in a predetermined range.
    Type: Application
    Filed: February 28, 2022
    Publication date: August 31, 2023
    Inventors: Peng-Jian Yang, Shang-Yu Yu, Yi-Hsieh Wang, Ko Chun Lin, Zhaoyan Han