Patents Assigned to (Wochacha Information Technology (Shanghai) Co., Ltd.)
  • Patent number: 9996780
    Abstract: The present disclosure discloses a specific bar code and a forming method of the bar code, comprising: forming without a particular order on the printing stock: at least a one-dimensional bar code and color information and/or grayscale information in an area corresponding to the one-dimensional bar code, which are superimposed on the printing stock, respectively, wherein data information is generated by identifying the color information and the grayscale information; and if acquired by a portable electronic device having an image capture function, identifying the one-dimensional bar code and the color information and/or grayscale information, respectively, wherein a false positive ratio of identifying the one-dimensional bar code is less than 40%.
    Type: Grant
    Filed: May 4, 2015
    Date of Patent: June 12, 2018
    Assignee: Wochacha Information Technology (Shanghai) Co. Ltd.
    Inventors: Lixin Zhao, Wei Guo
  • Publication number: 20170220916
    Abstract: The present disclosure discloses a specific bar code and a forming method of the bar code, comprising: forming without a particular order on the printing stock: at least a one-dimensional bar code and color information and/or grayscale information in an area corresponding to the one-dimensional bar code, which are superimposed on the printing stock, respectively, wherein data information is generated by identifying the color information and the grayscale information; and if acquired by a portable electronic device having an image capture function, identifying the one-dimensional bar code and the color information and/or grayscale information, respectively, wherein a false positive ratio of identifying the one-dimensional bar code is less than 40%.
    Type: Application
    Filed: May 4, 2015
    Publication date: August 3, 2017
    Applicant: (Wochacha Information Technology (Shanghai) Co., Ltd.)
    Inventors: Lixin Zhao, Wei Guo