Patents by Inventor Tienan JIANG

Tienan JIANG 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).

  • System and method for processing screenshot-type note of streaming document
    Patent number: 10817154
    Abstract: A system and method for processing a screenshot-type note of a streaming document. The system comprises: a gesture processing module (110) for recording screen coordinates of a selected region in a pre-set shape determined by a gesture in a current page of the streaming document; a note position calculation module (120) for receiving the screen coordinates of the selected region in the pre-set shape, and converting a screen coordinate of a pre-set position in the selected region into a relative position of a leaf node in the streaming document; and a note information storage module (130) for storing the relative position of the leaf node and the screen coordinates of the selected region as note position information. The technical solution can improve the accuracy of a display position of a screenshot-type note in a streaming document.
    Type: Grant
    Filed: April 12, 2017
    Date of Patent: October 27, 2020
    Assignees: BEIJING JINGDONG SHANGKE INFORMATION TECHNOLOGY CO., LTD., BEIJING JINGDONG CENTURY TRADING CO., LTD.
    Inventors: Tienan Jiang, Qing Luo
  • SYSTEM AND METHOD FOR PROCESSING SCREENSHOT-TYPE NOTE OF STREAMING DOCUMENT
    Publication number: 20190163351
    Abstract: A system and method for processing a screenshot-type note of a streaming document. The system comprises: a gesture processing module (110) for recording screen coordinates of a selected region in a pre-set shape determined by a gesture in a current page of the streaming document; a note position calculation module (120) for receiving the screen coordinates of the selected region in the pre-set shape, and converting a screen coordinate of a pre-set position in the selected region into a relative position of a leaf node in the streaming document; and a note information storage module (130) for storing the relative position of the leaf node and the screen coordinates of the selected region as note position information. The technical solution can improve the accuracy of a display position of a screenshot-type note in a streaming document.
    Type: Application
    Filed: April 12, 2017
    Publication date: May 30, 2019
    Inventors: Tienan JIANG, Qing LUO