Patents by Inventor Yangqing Yi

Yangqing Yi 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: 9836634
    Abstract: An ultraviolet fluorescent barcode reading method and device, the reading method comprising the following steps: S1, irradiating an invisible ultraviolet fluorescent barcode via an ultraviolet light source and activating the invisible ultraviolet fluorescent barcode to be visible; S2, acquiring the image of the barcode activated to be visible; S3, filtering and decoding the barcode image to obtain corresponding barcode information; S4, outputting the barcode information. The reading method reads the invisible ultraviolet fluorescent barcode via a color filter, thus improving the convenience for reading.
    Type: Grant
    Filed: May 22, 2014
    Date of Patent: December 5, 2017
    Assignee: SHENZHEN MINDE ELECTRONICS TECHNOLOGY LTD.
    Inventors: Wenhuan Xu, Rui Tan, Yangqing Yi
  • Publication number: 20170140189
    Abstract: An ultraviolet fluorescent barcode reading method and device, the reading method comprising the following steps: S1, irradiating an invisible ultraviolet fluorescent barcode via an ultraviolet light source and activating the invisible ultraviolet fluorescent barcode to be visible; S2, acquiring the image of the barcode activated to be visible; S3, filtering and decoding the barcode image to obtain corresponding barcode information; S4, outputting the barcode information. The reading method reads the invisible ultraviolet fluorescent barcode via a color filter, thus improving the convenience for reading.
    Type: Application
    Filed: May 22, 2014
    Publication date: May 18, 2017
    Inventors: Wenhuan Xu, Rui Tan, Yangqing Yi